TMA Faults¶

Requested by:	AURA
Doc. Code
Editor:	A. Izpizua
Approved by:	J. Garcia

Introduction¶

This document contains the fault and warning list for each subsystem in the TMA. Additionally, it also contains a fault tree for each subsystem.

Fault list for each subsystem¶

This section contains the corresponding fault and warning list for each subsystem.

ACW¶

Fault list¶

Code	Name	Type	Description	Possible Solution
309	Critical Speed Limit	Alarm	The critical speed limit was violated	Reset alarm
310	Positive Software Limit	Alarm	The positive software limit is overcomed	Disable the software limit using the settings and Reset alarm
311	Negative Software Limit	Alarm	The negative software limit is overcomed	Disable the software limit using the settings and Reset alarm
312	Azimuth Cable Wrap Safety	Alarm	A safety issue has ocurred in the azimuth cable wrap module	Check the safety cause and reset it if necessary then Reset alarm
314	Critical Azimuth Deviation Limit	Alarm	The maximum allowed deviation between azimuth position and azimuth cable wrap position was overcomed	Center the ACW to the Azimuth position and Reset alarm
315	Main Cabinet Off	Alarm	A fault ocurred at the Main Cabinet that is going to power off the cabinet.	Reset the alarm from the main temperature cabinet and then Reset alarm
370	Bosch Power Supply Off	Alarm	The bosch power supply is off , therefore the systems that use the bosch drives cannot be used.	Check that the bosch power supply is on then Reset alarm

Warning list¶

Code	Name	Type	Description
301	Speed Limit	Warning	The speed limit was violated
306	Lubrication Level 1 Low	Warning	The motor 1 lubrication level is low
307	Lubrication Level 2 Low	Warning	The motor 2 lubrication level is low
313	Azimuth Deviation Limit	Warning	The allowed deviation between azimuth position and azimuth cable wrap position was overcomed

Azimuth¶

Fault list¶

Code	Name	Type	Description	Possible Solution
100	TMAPXI-AXESPXI communication failure	Alarm	The communication between TMAPXI and AXESPXI is down. This was detected by the AXESPXI and the axis is in fault	Reset alarm, if this doesn’t work reboot the AXES PXI and then reset the alarm
101	SoftMotion Axis Fault	Alarm	The softmotion axis went to fault	This is usually due to other fault, check other faults from the system Reset alarm
102	STO	Alarm	The STO for the axis is active	Check the safety cause and reset it if necessary then Reset alarm
104	Overspeed	Alarm	Overspeed Alarm ocurred	Reset alarm
105	Axis Control Loop Finished Late	Alarm	The controller axis controller loop takes to much time to execute. The counter increases its value by 1000, when an issue is detected, decreasing by 1 each no problem iteration	Check the temperature in the main cabinet AZ-0001, if it is too high it affects the performance of the CPU and makes the ethercat slow, ensure the cabinet is cooled and then reset alarm
105	NoNewData	Alarm	New data does not arrive from EIB	Check that the network is OK between the EIB and the AXIS PXI Reset alarm
110	Positive Software limit	Alarm	The positive software limit has been exceeded	Disable the software limit using the settings and Reset alarm
111	Negative Software limit	Alarm	The negative software limit has been exceeded	Disable the software limit using the settings and Reset alarm
112	Positive Limit Switch	Alarm	The positive limit switch has been reached by axis	Disable the software limit using the settings and Reset alarm
112	Negative Limit Switch	Alarm	The negative limit switch has been reached by axis	Disable the software limit using the settings and Reset alarm
113	Negative Adjustable Software limit	Alarm	The negative adjustable software limit has been exceeded	Disable the software limit using the settings and Reset alarm
113	Positive Adjustable Software limit	Alarm	The positive adjustable software limit has been exceeded	Disable the software limit using the settings and Reset alarm
120	Critical AZCW Deviation Limit	Alarm	The maximum allowed deviation between azimuth cable wrap position and azimuth position was overcomed	Move the ACW to the center of Azimuth Reset alarm and then do a home
131	Negative Softmotion Software limit	Alarm	The negative software limit in the axis softmotion has been exceeded	Disable the software limit using the settings and Reset alarm
132	Positive Softmotion Software limit	Alarm	The positive software limit in the axis softmotion has been exceeded	Disable the software limit using the settings and Reset alarm
133	Following Error	Alarm	The axis detect and excessive deviation from the command	Reset alarm
136	Axis Fault	Alarm	Axis control algorithm detected a fault. Possible causes are: NoNewData, Too Many Drives in Fault, AXESPXI and TMAPXI comm fault or software error. Check if NoNewData or PXIs comm alarms are active, otherwise this means drives fault	Reset alarm, if this doesn’t work reboot the AXES PXI and then reset the alarm
160	Extrapolation Time Exceeded	Alarm	The defined extrapolation time was exceeded.	Check that the CSC sends tracking commands Reset alarm
180	Axis Communication Not Connected	Alarm	The status or telemetry task for the axis is NOT connected.	Reset alarm, if this doesn’t work reboot the AXES PXI and then reset the alarm
181	Axis Communication Tasks Not Running	Alarm	The status or telemetry task for the axis is not running.	Reset alarm, if this doesn’t work reboot the AXES PXI and then reset the alarm
190	Axis Externally Disabled	Alarm	The axis was disabled externally without using the enable command.	This is caused by an STO Reset alarm and safety cause
198	Software error in CW Tracking loop	Alarm	Cable wrap tracking command not sent.	This is caused by the ACW being in fault, usually another alarm will be present from the ACW
199	Internal Alarm in Azimuth OMT	Alarm	The description may vary, as this is a generic code for multiple alarms a subset of the possibilities is listed below	Reset alarm

Possible additional errors coming with 101:

Code	Name	Type	Description	Possible Solution
-8108	Software Error in axis management	Alarm	Tracking algorithm has an invalid output (NaN or Inf)	Reset alarm
-8109	Software Error in axis management	Alarm	Slewing algorithm has an invalid output (NaN or Inf)	Reset alarm
-8110	Software Error in axis management	Alarm	Slewing profile timing error	Reset alarm

Possible descriptions for alarm code 199:

The request tracking speed is greater than the maximum allowed tracking speed.
Tracking command buffer is full. Continuous move command was ignored.
Zero speed setpoint received in a speed profile command.
Set initial position cannot be performed while the trajectory generator is enabled.
Speed setpoint higher than maximum speed.
Discrete move already being executed.
Command not allowed in current operation mode.
Operation cannot be changed while system is enabled.
System already enabled.
Slewing command detected during slewing move.
Trajectory generator is disabled. Command ignored.
The continuous command time setpoint is lower than current time.

Warning list¶

Code	Name	Type	Description
104	Overspeed	Warning	Overspeed Warning ocurred
105	NoNewData	Warning	New data does not arrive from EIB
120	Active Drives	Warning	At least one drive is not active
120	AZCW Deviation Limit	Warning	The maximum allowed deviation between azimuth cable wrap position and azimuth position was overcomed
150	Past Time in Tracking Command	Warning	A tracking command was received with a past timestamp demand value.

Azimuth Drives Thermal¶

Fault list¶

Code	Name	Type	Description	Possible Solution
1601	ValveFaulty	Alarm	The valve of the drives temperature controller is faulty.	Change the ethercat line to configuration and back to active then. Reset alarm, if persists check the valve
1602	TemperatureTooHigh	Alarm	The temperature is too high.	Reset alarm
1603	ValveMovementTimeout	Alarm	The mixing valve takes too much time to get close the desired position. Check the valve status	Reset alarm
1604	NotEnoughSensors	Alarm	The minimum allowable temperature sensors in the group is reached and the temperature control could not work. Check temperature sensors	Change the ethercat line to configuration and back to active then. Reset alarm, if persists check the sensors
1611	Main Cabinet Off	Alarm	A fault ocurred at the Main Cabinet that is going to power off the cabinet.	Reset the alarm from the main temperature cabinet and then Reset alarm

Warning list¶

Code	Name	Type	Description
1602	TemperatureTooLow	Warning	The temperature is too low.
1604	1TemperatureSensorFailure	Warning	One of the temperature sensors in the group is failing. Check temperature sensors.
1605	2TemperatureSensorFailure	Warning	Two of the temperature sensors in the group is failing. Check temperature sensors.
1606	3TemperatureSensorFailure	Warning	Three of the temperature sensors in the group is failing. Check temperature sensors.
1607	4TemperatureSensorFailure	Warning	Three of the temperature sensors in the group is failing. Check temperature sensors.

Balancing¶

Fault list¶

Code	Name	Type	Description	Possible Solution
1101	Critical Speed Limit	Alarm	The critical speed limit was violated.	Reset alarm
1102	Positive Position Limit	Alarm	The maximum position limit was violated.	Disable the software limit using the settings and Reset alarm
1103	Negative Position Limit	Alarm	The minimum position limit was violated.	Disable the software limit using the settings and Reset alarm
1110	Balancing System Safety	Alarm	A safety issue has occurred in the balancing system module.	Check the safety cause and reset it if necessary then Reset alarm
1111	Main Cabinet Off	Alarm	A fault ocurred at the Main Cabinet that is going to power off the cabinet.	Reset the alarm from the main temperature cabinet and then Reset alarm
1170	Bosch Power Supply Off	Alarm	The bosch power supply is off , therefore the systems that use the bosch drives cannot be used.	Check that the bosch power supply is on then Reset alarm

Warning list¶

Code	Name	Type	Description
1101	Speed Limit	Warning	The speed limit was violated.

Azimuth Cabinet 0101¶

Fault list¶

Code	Name	Type	Description	Possible Solution
1901	ValveFaulty	Alarm	The valve of the drives temperature controller is faulty.	Change the ethercat line to configuration and back to active then. Reset alarm, if persists check the valve
1902	TemperatureTooHigh	Alarm	The temperature is too high.	Reset alarm
1903	ValveMovementTimeout	Alarm	The mixing valve takes too much time to get close the desired position. Check the valve status	Reset alarm
1904	NotEnoughSensors	Alarm	The minimum allowable temperature sensors in the group is reached and the temperature control could not work. Check temperature sensors	Change the ethercat line to configuration and back to active then. Reset alarm, if persists check the sensors
1911	Main Cabinet Off	Alarm	A fault ocurred at the Main Cabinet that is going to power off the cabinet.	Reset the alarm from the main temperature cabinet and then Reset alarm

Warning list¶

Code	Name	Type	Description
1902	TemperatureTooLow	Warning	The temperature is too low.
1904	1TemperatureSensorFailure	Warning	One of the temperature sensors in the group is failing. Check temperature sensors.

CCW¶

Fault list¶

Code	Name	Type	Description	Possible Solution
1002	Positive Limit Switch Pressed	Alarm	The positive limit switch is pressed	Disable the software limit using the settings and Reset alarm
1003	Negative Limit Switch Pressed	Alarm	The negative limit switch is pressed	Disable the software limit using the settings and Reset alarm
1009	Critical Speed Limit	Alarm	The critical speed limit was violated	Reset alarm
1010	Positive Software Limit	Alarm	The positive software limit is overcomed	Disable the software limit using the settings and Reset alarm
1011	Negative Software Limit	Alarm	The negative software limit is overcomed	Disable the software limit using the settings and Reset alarm
1012	Camera Cable Wrap Safety	Alarm	A safety issue has ocurred in the camera cable wrap module	Check the safety cause and reset it if necessary then Reset alarm
1070	Bosch Power Supply Off	Alarm	The bosch power supply is off , therefore the systems that use the bosch drives cannot be used.	Check that the bosch power supply is on then Reset alarm

Warning list¶

Code	Name	Type	Description
1001	Speed Limit	Warning	The speed limit was violated
1006	Lubrication Level 1 Low	Warning	The motor 1 lubrication level is low
1007	Lubrication Level 2 Low	Warning	The motor 2 lubrication level is low

Elevation¶

Fault list¶

Code	Name	Type	Description	Possible Solution
400	TMAPXI-AXESPXI communication failure	Alarm	The communication between TMAPXI and AXESPXI is down. This was detected by the AXESPXI and the axis is in fault	Reset alarm, if this doesn’t work reboot the AXES PXI and then reset the alarm
401	SoftMotion Axis Fault	Alarm	The softmotion axis went to fault	This is usually due to other fault, check other faults from the system Reset alarm
402	STO	Alarm	The STO for the axis is active	Check the safety cause and reset it if necessary then Reset alarm
404	Overspeed	Alarm	Overspeed Alarm ocurred	Reset alarm
405	Axis Control Loop Finished Late	Alarm	The controller axis controller loop takes to much time to execute. The counter increases its value by 1000, when an issue is detected, decreasing by 1 each no problem iteration	Check the temperature in the main cabinet AZ-0001, if it is too high it affects the performance of the CPU and makes the ethercat slow, ensure the cabinet is cooled and then reset alarm
405	NoNewData	Alarm	New data does not arrive from EIB	Check that the network is OK between the EIB and the AXIS PXI Reset alarm
410	Positive Software limit	Alarm	The positive software limit has been exceeded	Disable the software limit using the settings and Reset alarm
411	Negative Software limit	Alarm	The negative software limit has been exceeded	Disable the software limit using the settings and Reset alarm
412	Negative Limit Switch	Alarm	The negative limit switch has been reached by axis	Disable the software limit using the settings and Reset alarm
412	Negative Operational Limit Switch	Alarm	The negative Operational limit switch has been reached by axis	Disable the software limit using the settings and Reset alarm
412	Positive Limit Switch	Alarm	The positive limit switch has been reached by axis	Disable the software limit using the settings and Reset alarm
412	Positive Operational Limit Switch	Alarm	The positive Operational limit switch has been reached by axis	Disable the software limit using the settings and Reset alarm
413	Positive Adjustable Software limit	Alarm	The positive adjustable software limit has been exceeded	Disable the software limit using the settings and Reset alarm
413	Negative Adjustable Software limit	Alarm	The negative adjustable software limit has been exceeded	Disable the software limit using the settings and Reset alarm
431	Negative Softmotion Software limit	Alarm	The negative software limit in the axis softmotion has been exceeded	Disable the software limit using the settings and Reset alarm
432	Positive Softmotion Software limit	Alarm	The positive software limit in the axis softmotion has been exceeded	Disable the software limit using the settings and Reset alarm
433	Following Error	Alarm	The axis detect and excessive deviation from the command	Reset alarm
436	Axis Fault	Alarm	Axis control algorithm detected a fault. Possible causes are: NoNewData, Too Many Drives in Fault, AXESPXI and TMAPXI comm fault or software error. Check if NoNewData or PXIs comm alarms are active, otherwise this means drives fault	Reset alarm, if this doesn’t work reboot the AXES PXI and then reset the alarm
460	Extrapolation Time Exceeded	Alarm	The defined extrapolation time was exceeded.	Check that the CSC sends tracking commands Reset alarm
480	Axis Communication Not Connected	Alarm	The status or telemetry task for the axis is NOT connected.	Reset alarm, if this doesn’t work reboot the AXES PXI and then reset the alarm
481	Axis Communication Tasks Not Running	Alarm	The status or telemetry task for the axis is not running.	Reset alarm, if this doesn’t work reboot the AXES PXI and then reset the alarm
490	Axis Externally Disabled	Alarm	The axis was disabled externally without using the enable command.	This is caused by an STO Reset alarm and safety cause
499	Internal Alarm in Azimuth OMT	Alarm	The description may vary, as this is a generic code for multiple alarms a subset of the possibilities is listed below	Reset alarm

Possible additional errors coming with 401:

Code	Name	Type	Description	Possible Solution
-8108	Software Error in axis management	Alarm	Tracking algorithm has an invalid output (NaN or Inf)	Reset alarm
-8109	Software Error in axis management	Alarm	Slewing algorithm has an invalid output (NaN or Inf)	Reset alarm
-8110	Software Error in axis management	Alarm	Slewing profile timing error	Reset alarm

Possible descriptions for alarm code 499:

The request tracking speed is greater than the maximum allowed tracking speed.
Tracking command buffer is full. Continuous move command was ignored.
Zero speed setpoint received in a speed profile command.
Set initial position cannot be performed while the trajectory generator is enabled.
Speed setpoint higher than maximum speed.
Discrete move already being executed.
Command not allowed in current operation mode.
Operation cannot be changed while system is enabled.
System already enabled.
Slewing command detected during slewing move.
Trajectory generator is disabled. Command ignored.
The continuous command time setpoint is lower than current time.

Warning list¶

Code	Name	Type	Description
404	Overspeed	Warning	Overspeed Warning ocurred
405	NoNewData	Warning	New data does not arrive from EIB
420	Active Drives	Warning	At least one drive is not active
450	Past Time in Tracking Command	Warning	A tracking command was received with a past timestamp demand value.

Elevation Drives Thermal¶

Fault list¶

Code	Name	Type	Description	Possible Solution
1701	ValveFaulty	Alarm	The valve of the drives temperature controller is faulty.	Change the ethercat line to configuration and back to active then. Reset alarm, if persists check the valve
1702	TemperatureTooHigh	Alarm	The temperature is too high.	Reset alarm
1703	ValveMovementTimeout	Alarm	The mixing valve takes too much time to get close the desired position. Check the valve status	Reset alarm
1704	NotEnoughSensors	Alarm	The minimum allowable temperature sensors in the group is reached and the temperature control could not work. Check temperature sensors	Change the ethercat line to configuration and back to active then. Reset alarm, if persists check the sensors
1711	Main Cabinet Off	Alarm	A fault ocurred at the Main Cabinet that is going to power off the cabinet.	Reset the alarm from the main temperature cabinet and then Reset alarm

Warning list¶

Code	Name	Type	Description
1702	TemperatureTooLow	Warning	The temperature is too low.
1704	1TemperatureSensorFailure	Warning	One of the temperature sensors in the group is failing. Check temperature sensors.
1705	2TemperatureSensorFailure	Warning	Two of the temperature sensors in the group is failing. Check temperature sensors.
1706	3TemperatureSensorFailure	Warning	Three of the temperature sensors in the group is failing. Check temperature sensors.

Encoder System¶

Fault list¶

Code	Name	Type	Description	Possible Solution
702	Azimuth encoder heads bellow critical value	Alarm	The available encoder heads do not allow to continue the operation	Check the tape and clean if necessary Reset alarm
704	Elevation encoder heads bellow critical value	Alarm	The available encoder heads do not allow to continue the operation	Check the tape and clean if necessaryReset alarm
706	Frames loss	Alarm	UPD receiving data loop is loosing frames. The frames are not consecutive.	Check the ethernet connection between the EIB and the PXI Reset alarm
708	Received Data not OK	Alarm	Not all configured data packets are received from EIB or checksum is not valid	Reset alarm
710	Bad format udp packet	Alarm	Data received in upd port does not well formatted. The amount of bytes is not corresponding to configured data packet number for EIB	Reset alarm
711	UDP timeout	Alarm	Encoder UPD loop does not receive any data in 500 ms	Reset alarm
710	Timeout	Alarm	Depends on the command in execution	Depends on the command faulted

Warning list¶

Code	Name	Type	Description	Possible Solution
701	Azimuth lost encoder heads	Warning	One or more encoder heads are lost, but the system can continue working	-
703	Elevation lost encoder heads	Warning	One or more encoder heads are lost, but the system can continue working	-
705	Frames loss	Warning	UPD receiving data loop is loosing frames. The frames are not consecutive.	-
707	Received Data not OK	Warning	Not all configured data packets are received from EIB or checksum is not valid	-
709	Bad format udp packet	Warning	Data received in upd port does not well formatted. The amount of bytes is not corresponding to configured data packet number for EIB	-
755	Reference mark error	Warning	Reference mark calculation error for heads: failed head names.Possible a reference mark is missing	Check the tape and clean if necessary
756	Not all heads have a valid reference	Warning	When calculating the head reference value, the heads failed head names failed. They will not be used for absolute position calculation	Try homing again. Some positions are badly calculated for azimuth, the calculated position is 360 deg away from the actual position, and can’t not be used

Locking Pin¶

Fault list¶

Code	Name	Type	Description	Possible Solution
1401	Locking Pin Safety	Alarm	A safety issue has occurred in the locking pin module.	Check the safety cause and reset it if necessary then Reset alarm
1402	Critical Speed Limit	Alarm	The critical speed limit was violated.	Reset alarm
1403	Position Negative Limit	Alarm	The Minimum position was violated	Disable the software limit using the settings and Reset alarm
1404	Position Positive Limit	Alarm	The maximum position was violated	Disable the software limit using the settings and Reset alarm
1411	Main Cabinet Off	Alarm	A fault ocurred at the Main Cabinet that is going to power off the cabinet.	Reset the alarm from the main temperature cabinet and then Reset alarm
1470	Bosch Power Supply Off	Alarm	The bosch power supply is off , therefore the systems that use the bosch drives cannot be used.	Check that the bosch power supply is on then Reset alarm

Warning list¶

Code	Name	Type	Description
1402	Speed Limit	Warning	The speed limit was violated.

Main Axis¶

These relate to both Azimuth and Elevation but are covered in a separated section as they are single affecting both.

Fault list¶

Code	Name	Type	Description	Possible Solution
55	Axis CMD Writer	Alarm	Axis command writer has issue	Reset alarm, if this doesn’t work reboot the AXES PXI and then reset the alarm
56	Axis CMDs not connected	Alarm	Axis command connection is down	Reset alarm, if this doesn’t work reboot the AXES PXI and then reset the alarm
57	OSSAlarm	Alarm	The OSS is in Fault state	Reset alarm
58	Phase Power Supply Alarm	Alarm	The Phase Power Supply, supply for main axis, is in fault state	Reset alarm
65	Main Cabinet Off	Alarm	A fault ocurred at the Main Cabinet that is going to power off the cabinet.	Reset the alarm from the main temperature cabinet and then Reset alarm

Warning list¶

Code	Name	Type	Description	Possible Solution
51	Phase drives status not connected	Warning	Phase drives status connection is down	Reset alarm, if this doesn’t work reboot the AXES PXI and then reset the alarm
52	Phase drives status reader	Warning	Phase drives status task has an issue	Reset alarm, if this doesn’t work reboot the AXES PXI and then reset the alarm
53	Phase drives telemetry not connected	Warning	Phase drives telemetry connection is down	Reset alarm, if this doesn’t work reboot the AXES PXI and then reset the alarm
54	Phase drives telemetry reader	Warning	Phase drives telemetry reader task has an issue	Reset alarm, if this doesn’t work reboot the AXES PXI and then reset the alarm

Main Cabinet (AZ-0001)¶

Fault list¶

Code	Name	Type	Description	Possible Solution
1301	Cabinet Fan Faulty	Alarm	The heat exchanger fan is faulty.	Reset alarm, if persistent check the cabinet fan
1302	Cabinet Heater Faulty	Alarm	The cabinet heater is faulty.	Reset alarm, if persistent check the cabinet heater
1303	Cabinet Valve Faulty	Alarm	The cabinet valve is faulty.	Reset alarm, if persistent check the cabinet valve
1304	Internal Temperature Sensor 1 Failed	Alarm	The temperature sensor that measures the internal temperature in the main cabinet (1) has failed. Its value is not valid.	Change the ethercat line to configuration and back to active then. Reset alarm, if persists check the sensors
1305	Internal Temperature Sensor 2 Failed	Alarm	The temperature sensor that measures the internal temperature in the main cabinet (2) has failed. Its value is not valid.	Change the ethercat line to configuration and back to active then. Reset alarm, if persists check the sensors
1306	Surface Temperature Sensor Failed	Alarm	The temperature sensor that measures the surface temperature in the main cabinet has failed. Its value is not valid.	Change the ethercat line to configuration and back to active then. Reset alarm, if persists check the sensors
1312	Backup Temperature Sensor Failed	Alarm	The backup temperature sensor used when RMC not working failed. If the RMC controller communication is lost, the backup hysteresis based controller will not work.	Change the ethercat line to configuration and back to active then. Reset alarm, if persists check the sensors
1313	RMC connection error	Alarm	The connection with the RMC controller was lost. The system is controlled through an hysteresis regulator.	Reset alarm, if persistent check the connection to the RMC, the Watlow temperature controller
1350	Critical Temperature Drop	Alarm	Cabinet Temperature decreased below critical limit.	Reset alarm
1351	Critical Temperature Increase	Alarm	Cabinet Temperature increased above critical limit.	Reset alarm

Warning list¶

Code	Name	Type	Description
1308	Temperature Drop	Warning	Cabinet Temperature decreased below limit.
1309	Temperature Increase sensor 1	Warning	Cabinet Temperature increased above limit in sensor 1
1310	Surface Temperature Drop	Warning	Surface temperature decreased below limit.
1311	Surface Temperature Increase	Warning	Surface temperature increased beyond limit.
1314	Temperature Increase sensor 2	Warning	Cabinet Temperature increased above limit in sensor 2

Mirror Covers¶

Fault list¶

Code	Name	Type	Description	Possible Solution
901	Mirror Cover Safety	Alarm	A safety issue has occurred in the mirror cover module.	Check the safety cause and reset it if necessary then Reset alarm
903	Critical Speed Limit	Alarm	This event triggers if the parameter “Critical Max Motor Velocity” is exceeded.	Reset alarm
908	ColisionEvent	Alarm	This event triggers if any MC are going to collision.	Check visually that the mirror covers are being deployed properly, they must move two at a time and the first two must be completely deployed or retracted, then Reset alarm
911	Main Cabinet Off	Alarm	A fault ocurred at the Main Cabinet that is going to power off the cabinet.	Reset the alarm from the main temperature cabinet and then Reset alarm
970	Bosch Power Supply Off	Alarm	The bosch power supply is off , therefore the systems that use the bosch drives cannot be used.	Check that the bosch power supply is on then Reset alarm

Warning list¶

Code	Name	Type	Description
904	Speed Limit	Warning	This event triggers if the parameter “Motor Max Velocity” is exceeded.

Mirror Cover Locks¶

Fault list¶

Code	Name	Type	Description	Possible Solution
1501	Mirror Cover Safety	Alarm	A safety issue has occurred in the mirror cover module.	Check the safety cause and reset it if necessary then Reset alarm
1503	Critical Speed Limit	Alarm	This event triggers if the parameter “Critical Max Motor Velocity” is exceeded.	Reset alarm
1511	Main Cabinet Off	Alarm	A fault ocurred at the Main Cabinet that is going to power off the cabinet.	Reset the alarm from the main temperature cabinet and then Reset alarm
1570	Bosch Power Supply Off	Alarm	The bosch power supply is off , therefore the systems that use the bosch drives cannot be used.	Check that the bosch power supply is on then Reset alarm

Warning list¶

Code	Name	Type	Description
1504	Speed Limit	Warning	This event triggers if the parameter “Motor Max Velocity” is exceeded.

Main Power Supply¶

Fault list¶

Code	Name	Type	Description	Possible Solution
600	MaxCurrent	Alarm	The maximum allowed current was exceed.	Reset alarm
601	MinVoltage	Alarm	The minimum allowed voltage was lost.	Reset alarm, if persists check here
602	Main Power Supply Safety	Alarm	A safety issue has occurred in the Main Power Supply module.	Check the safety cause and reset it if necessary then Reset alarm
611	Main Cabinet Off	Alarm	A fault ocurred at the Main Cabinet that is going to power off the cabinet.	Reset the alarm from the main temperature cabinet and then Reset alarm

Warning list¶

Code	Name	Type	Description
600	MaxCurrent	Warning	The maximum allowed current was exceed.
601	MinVoltage	Warning	The minimum allowed voltage was lost.

OSS¶

Fault list¶

Code	Name	Type	Description	Possible Solution
801	Observation Sequence	Alarm	The OSSs observation sequence returned an alarm	Reset alarm
802	Cooling System	Alarm	The OSSs cooling system returned an alarm	Reset alarm
803	Main Pump System	Alarm	The OSSs main pump system returned an alarm	Reset alarm
804	Circulation System	Alarm	The OSSs circulation system returned an alarm	Reset alarm
806	Connection Lost	Alarm	The connection with the OSS has been lost	Check connection with the OSS Reset alarm, if persistent reboot AUX PXI
810	OSS Malfunction	Alarm	A safety issue has occurred in the OSS	Check the safety cause and reset it if necessary then Reset alarm
811	Main Cabinet Off	Alarm	A fault ocurred at the Main Cabinet that is going to power off the cabinet.	Reset the alarm from the main temperature cabinet and then Reset alarm
812	Cabinet AZ_OS_CBT_5001 High temperature	Alarm	The temperature of the Cabinet AZ_OS_CBT_5001 is too high	Reset alarm
813	Cabinet AZ_OS_CBT_5001 Low temperature	Alarm	The temperature of the Cabinet AZ_OS_CBT_5001 is too Low	Reset alarm
814	Cabinet EL_OS_CBT_5001 High temperature	Alarm	The temperature of the Cabinet EL_OS_CBT_5001 is too high	Reset alarm
815	Cabinet EL_OS_CBT_5001 Low temperature	Alarm	The temperature of the Cabinet EL_OS_CBT_5001 is too Low	Reset alarm
816	Cabinet EL_OS_CBT_5002 High temperature	Alarm	The temperature of the Cabinet EL_OS_CBT_5002 is too high	Reset alarm
817	Cabinet EL_OS_CBT_5002 Low temperature	Alarm	The temperature of the Cabinet EL_OS_CBT_5002 is too Low	Reset alarm
818	Emergency Stop	Alarm	Emergency Stop performed in the OSS	Check the safety cause and reset it if necessary then Reset alarm
819	Hard Stop	Alarm	Hard Stop performed in the OSS	Check the safety cause and reset it if necessary then Reset alarm
821	OSS Modbus fail	Alarm	The Modbus communication with the OSS is down	Check connection with the OSS Reset alarm, if persistent reboot AUX PXI
830	TemperatureTooHighAzCBT	Alarm	The temperature of the AZ OS CBT 5001 is too high.	Reset alarm
830	Soft Stop	Alarm	Soft Stop performed in the OSS	Check the safety cause and reset it if necessary then Reset alarm
831	TemperatureTooHighELCBT1	Alarm	The temperature of the EL OS CBT 5001 is too high.	Reset alarm
832	TemperatureTooHighELCBT2	Alarm	The temperature of the EL OS CBT 5002 is too high.	Reset alarm
860	Fault with detailed information	Alarm	This alarm is meant to give additional information to other faults.	Reset alarm

Warning list¶

Code	Name	Type	Description
830	TemperatureTooLowAzCBT	Warning	The temperature of the AZ OS CBT 5001 is too low.
831	TemperatureTooLowELCBT2	Warning	The temperature of the EL OS CBT 5002 is too low.
831	TemperatureTooLowELCBT1	Warning	The temperature of the EL OS CBT 5001 is too low.

Deployable Platforms¶

Fault list¶

Code	Name	Type	Description	Possible Solution
1201	Critical Speed Limit	Alarm	This event triggers if the parameter “Platform Max Critical Velocity” is exceeded.	Reset alarm
1207	Deployable Platform Safety	Alarm	A safety issue has occurred in the deployable platform module.	Check the safety cause and reset it if necessary then Reset alarm
1211	Main Cabinet Off	Alarm	A fault ocurred at the Main Cabinet that is going to power off the cabinet.	Reset the alarm from the main temperature cabinet and then Reset alarm
1270	Bosch Power Supply Off	Alarm	The bosch power supply is off , therefore the systems that use the bosch drives cannot be used.	Check that the bosch power supply is on then Reset alarm

Warning list¶

Code	Name	Type	Description
1201	Speed Limit	Warning	This event triggers if the parameter “Platform Max Velocity” is exceeded.

Modbus Auxiliary Boxes (TMA_AZ_DZ_CBT_0001, TMA_AZ_PD_CBT_0001, TMA_AZ_PD_TRM_0001, TMA_EL_PD_CBT_0001, TMA_EL_PD_CBT_0002)¶

Fault list¶

Code	Name	Type	Description	Possible Solution
2601	CabinetControllerNotOK	Alarm	The modbus temperature controller is in alarm.	Check state of the controller and the temperature, then Reset alarm
2602	ConnectionNotOK	Alarm	The modbus temperature controller connection is not okay.	Check if the cabinet is on. If the cabinet is on check the communication to the controller, then Reset alarm
2603	TemperatureTooHigh	Alarm	The temperature is out of the allowed band.	Reset alarm

Warning list¶

Code	Name	Type	Description
2603	TemperatureTooLow	Warning	The temperature is too low.

TopEndChiller¶

Fault list¶

Code	Name	Type	Description	Possible Solution
2201	0201 3 Way valve Failure	Alarm	Failure of the 0201 3 way valve	Reset alarm
2202	0202 3 Way valve Failure	Alarm	Failure of the 0202 3 way valve	Reset alarm
2203	ActionTimeout	Alarm	Timeout when power on/off or change to remote/local mode	Reset alarm
2204	Air Compressed Valve Failure	Alarm	Failure of the compressed air valve	Reset alarm
2205	CameraFansFailure	Alarm	The fans of the camera section have a failure	Reset alarm
2206	Electrical Cabinet 1 Control Failure	Alarm	Failure of the temperature controller in electrical cabinet 1	Reset alarm
2207	Electrical Cabinet 2 Control Failure	Alarm	Failure of the temperature controller in electrical cabinet 2	Reset alarm
2208	Electrical Cabinet 3 Control Failure	Alarm	Failure of the temperature controller in electrical cabinet 3	Reset alarm
2209	Electrical Cabinet 4 Control Failure	Alarm	Failure of the temperature controller in electrical cabinet 4	Reset alarm
2210	Heat Exchanger 1 Fan Failure	Alarm	Failure in the fans of the heat exchanger 1	Reset alarm
2211	Heat Exchanger 2 Fan Failure	Alarm	Failure in the fans of the heat exchanger 2	Reset alarm
2212	Humidity 0501	Alarm	Humidity of the sensor 0501 out of range	Reset alarm
2213	Humidity 0502	Alarm	Humidity of the sensor 0502 out of range	Reset alarm
2214	Humidity 0504	Alarm	Humidity of the sensor 0504 out of range	Reset alarm
2215	Humidity 0505	Alarm	Humidity of the sensor 0505 out of range	Reset alarm
2216	M2FansFailure	Alarm	The fans of the M2 section have a failure	Reset alarm
2217	PLC Malfunction	Alarm	The PLC for Top End chiller is working bad	Reset alarm
2218	Temperature 0501	Alarm	Temperature of the sensor 0501 out of range	Reset alarm
2219	Temperature 0502	Alarm	Temperature of the sensor 0502 out of range	Reset alarm
2220	Temperature 0504	Alarm	Temperature of the sensor 0504 out of range	Reset alarm
2221	Temperature 0505	Alarm	Temperature of the sensor 0505 out of range	Reset alarm
2222	Temperature 0506	Alarm	Temperature of the sensor 0506 out of range	Reset alarm
2223	Temperature 0507	Alarm	Temperature of the sensor 0507 out of range	Reset alarm
2224	Temperature Alarm Cabinet 1	Alarm	Alarm temperature for electrical cabinet 1	Reset alarm
2225	Temperature Alarm Cabinet 2	Alarm	Alarm temperature for electrical cabinet 2	Reset alarm
2226	Temperature Alarm Cabinet 3	Alarm	Alarm temperature for electrical cabinet 3	Reset alarm
2227	Temperature Alarm Cabinet 4	Alarm	Alarm temperature for electrical cabinet 4	Reset alarm

Fault tree for each subsystem¶

This section contains the corresponding fault tree for each subsystem.

Main Axes¶

This section contains the faults that affect both Azimuth and Elevation.

$@startuml left to right direction rectangle "Azimuth Fault State" as Azimuth rectangle "Elevation Fault State" as Elevation rectangle "OSSAlarm" as OSSAlarm rectangle "Phase Power Supply Alarm" as PhasePowerSupplyAlarm rectangle "Main Cabinet Off" as MainCabinetOff rectangle " Encoder Fault State " as EIB_Fault usecase " STO " as STO usecase " NoNewData " as NoNewData usecase " Axis Fault " as AxisFault usecase " Axis Externally Disabled " as AxisExternallyDisabled usecase "Fault in Axes Controller" as FaultInAxesController rectangle "Common Faults" as MainAxis usecase "Axis CMD Writer" as AxisCMDWriter usecase "Axis CMDs not connected" as AxisCMDsnotConnected usecase "Any of the\nOSS faults" as OSSfaults usecase "Any of the\nMain Power Supply faults" as PPSfaults usecase "Any of the\nMain Cabinet faults" as cabinetFaults usecase "Any of the\nEncoder faults" as encoderFaults MainAxis --> Azimuth MainAxis --> Elevation NoNewData --> AxisFault AxisFault --> MainAxis EIB_Fault --> MainAxis STO --> FaultInAxesController STO --> AxisExternallyDisabled FaultInAxesController --> MainAxis AxisExternallyDisabled --> MainAxis AxisCMDWriter --> MainAxis AxisCMDsnotConnected --> MainAxis OSSAlarm --> MainAxis PhasePowerSupplyAlarm --> MainAxis MainCabinetOff --> MainAxis OSSfaults --> OSSAlarm PPSfaults --> PhasePowerSupplyAlarm cabinetFaults --> MainCabinetOff encoderFaults --> EIB_Fault @enduml$

Azimuth individual fault tree¶

Here the faults that affect just Azimuth are displayed.

$@startuml left to right direction rectangle "Azimuth Fault State" as Azimuth rectangle "Common Faults" as MainAxis rectangle " ACW Fault State " as ACW_Fault usecase " SoftMotion Axis Fault " as SoftMotionAxisFault usecase " Overspeed " as Overspeed usecase " Axis Control Loop Finished Late " as AxisControlLoopFinishedLate usecase " Positive Software limit " as PositiveSoftwarelimit usecase " Negative Software limit " as NegativeSoftwarelimit usecase " Positive Limit Switch " as PositiveLimitSwitch usecase " Negative Limit Switch " as NegativeLimitSwitch usecase " Negative Adjustable Software limit " as NegativeAdjustableSoftwarelimit usecase " Positive Adjustable Software limit " as PositiveAdjustableSoftwarelimit usecase " Critical AZCW Deviation Limit " as CriticalAZCWDeviationLimit usecase " Negative Softmotion Software limit " as NegativeSoftmotionSoftwarelimit usecase " Positive Softmotion Software limit " as PositiveSoftmotionSoftwarelimit usecase " Following Error " as FollowingError usecase " Extrapolation Time Exceeded " as ExtrapolationTimeExceeded usecase " Axis Communication Not Connected " as AxisCommunicationNotConnected usecase " Axis Communication Tasks Not Running " as AxisCommunicationTasksNotRunning usecase " Software Error in axis management " as AxisManagement usecase " TMAPXI-AXESPXI communication failure " as communicationFailure usecase "Any of the\nMain Axes common faults" as commonFaults usecase "Any of the\nACW faults" as acwFaults commonFaults --> MainAxis MainAxis --> Azimuth acwFaults --> ACW_Fault ACW_Fault --> Azimuth SoftMotionAxisFault --> Azimuth Overspeed --> Azimuth AxisControlLoopFinishedLate --> Azimuth PositiveSoftwarelimit --> Azimuth NegativeSoftwarelimit --> Azimuth PositiveLimitSwitch --> Azimuth NegativeLimitSwitch --> Azimuth NegativeAdjustableSoftwarelimit --> Azimuth PositiveAdjustableSoftwarelimit --> Azimuth CriticalAZCWDeviationLimit --> Azimuth NegativeSoftmotionSoftwarelimit --> Azimuth PositiveSoftmotionSoftwarelimit --> Azimuth FollowingError --> Azimuth AxisCommunicationNotConnected --> Azimuth AxisCommunicationTasksNotRunning --> Azimuth communicationFailure --> Azimuth AxisManagement --> SoftMotionAxisFault ExtrapolationTimeExceeded --> SoftMotionAxisFault @enduml$

Elevation individual fault tree¶

Here the faults that affect just Elevation are displayed.

$@startuml left to right direction rectangle "Elevation Fault State" as Elevation rectangle "Common Faults" as MainAxis usecase " SoftMotion Axis Fault " as SoftMotionAxisFault usecase " Overspeed " as Overspeed usecase " Axis Control Loop Finished Late " as AxisControlLoopFinishedLate usecase " Positive Software limit " as PositiveSoftwarelimit usecase " Negative Software limit " as NegativeSoftwarelimit usecase " Positive Limit Switch " as PositiveLimitSwitch usecase " Negative Limit Switch " as NegativeLimitSwitch usecase " Negative Adjustable Software limit " as NegativeAdjustableSoftwarelimit usecase " Positive Adjustable Software limit " as PositiveAdjustableSoftwarelimit usecase " Negative Softmotion Software limit " as NegativeSoftmotionSoftwarelimit usecase " Positive Softmotion Software limit " as PositiveSoftmotionSoftwarelimit usecase " Negative Operational Limit Switch " as NegativeOperationalLimit usecase " Positive Operational Limit Switch " as PositiveOperationalLimit usecase " Following Error " as FollowingError usecase " Extrapolation Time Exceeded " as ExtrapolationTimeExceeded usecase " Axis Communication Not Connected " as AxisCommunicationNotConnected usecase " Axis Communication Tasks Not Running " as AxisCommunicationTasksNotRunning usecase " Software Error in axis management " as AxisManagement usecase " TMAPXI-AXESPXI communication failure " as communicationFailure usecase "Any of the\nMain Axes common faults" as commonFaults commonFaults --> MainAxis communicationFailure --> Elevation SoftMotionAxisFault --> Elevation Overspeed --> Elevation AxisControlLoopFinishedLate --> Elevation PositiveSoftwarelimit --> Elevation NegativeSoftwarelimit --> Elevation PositiveLimitSwitch --> Elevation NegativeLimitSwitch --> Elevation NegativeAdjustableSoftwarelimit --> Elevation PositiveAdjustableSoftwarelimit --> Elevation NegativeSoftmotionSoftwarelimit --> Elevation PositiveSoftmotionSoftwarelimit --> Elevation NegativeOperationalLimit --> Elevation PositiveOperationalLimit --> Elevation FollowingError --> Elevation AxisCommunicationNotConnected --> Elevation AxisCommunicationTasksNotRunning --> Elevation MainAxis --> Elevation AxisManagement --> SoftMotionAxisFault ExtrapolationTimeExceeded --> SoftMotionAxisFault @enduml$