SINAMICS G130/G150
List Manual (LH2), 07/2016, A5E03263479A
1763
4 Faults and alarms
4.2 List of faults and alarms
A31940 (F, N) Encoder 1: Spindle sensor S1 voltage incorrect
Message value: %1
Message class: Application/technological function faulted (17)
Drive object: B_INF, ENC, VECTOR_G
Component: Encoder 1 Propagation: LOCAL
Reaction: NONE
Acknowledge: NONE
Cause: The voltage of analog sensor S1 is outside the permissible range.
Alarm value (r2124, interpret decimal):
Signal level from sensor S1.
Note:
A signal level of 500 mV corresponds to the numerical value 500 dec.
Remedy: - check the clamped tool.
- check the tolerance and if required, adapt (p5040).
- check the thresholds and if required, adapt (p5041).
- check analog sensor S1 and connections.
Reaction upon F: Vector: NONE (ENCODER, IASC/DCBRK, OFF1, OFF2, OFF3, STOP2)
Infeed: NONE (OFF1, OFF2)
Acknowl. upon F: IMMEDIATELY
Reaction upon N: NONE
Acknowl. upon N: NONE
F31950 Encoder 1: Internal software error
Message value: %1
Message class: Hardware/software error (1)
Drive object: B_INF, ENC, VECTOR_G
Component: Sensor Module Encoder 1 Propagation: LOCAL
Reaction: ENCODER (OFF2)
Acknowledge: POWER ON
Cause: An internal software error has occurred.
Fault value (r0949, interpret decimal):
The fault value contains information regarding the fault source.
Only for internal Siemens troubleshooting.
Remedy: - if necessary, upgrade the firmware in the Sensor Module to a later version.
- contact Technical Support.
A31999 (F, N) Encoder 1: Unknown alarm
Message value: New message: %1
Message class: Actual position/speed value incorrect or not available (11)
Drive object: B_INF, ENC, VECTOR_G
Component: Sensor Module Encoder 1 Propagation: GLOBAL
Reaction: NONE
Acknowledge: NONE
Cause: A alarm has occurred on the Sensor Module for encoder 1 that cannot be interpreted by the Control Unit firmware.
This can occur if the firmware on this component is more recent than the firmware on the Control Unit.
Alarm value (r2124, interpret decimal):
Alarm number.
Note:
If required, the significance of this new alarm can be read about in a more recent description of the Control Unit.
See also: p0491 (Motor encoder fault response ENCODER)
Remedy: - replace the firmware on the Sensor Module by an older firmware version (r0148).
- upgrade the firmware on the Control Unit (r0018).
Reaction upon F: Vector: NONE (ENCODER, IASC/DCBRK, OFF1, OFF2, OFF3, STOP2)
Infeed: NONE (OFF1, OFF2)
Acknowl. upon F: IMMEDIATELY (POWER ON)
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