Siemens SINAMICS S110 List Manual page 1136

Faults and alarms
List of faults and alarms
Remedy: - check whether the fan is running.
- check the fan elements.
- check whether the ambient temperature is in the permissible range.
Notice:
This fault can only be acknowledged once the permissible temperature limit minus 5 K has been fallen below.
F30037 Power unit: Rectifier overtemperature
Message value: %1
Drive object: SERVO_S110-CAN, SERVO_S110-DP, SERVO_S110-PN
Reaction: OFF2
Acknowledge: IMMEDIATELY
Cause: The temperature in the rectifier of the power unit has exceeded the permissible temperature limit.
- insufficient cooling, fan failure.
- overload.
- ambient temperature too high.
- line supply phase failure.
Fault value (r0949, decimal interpretation):
Temperature [0.01 °C].
Remedy: - check whether the fan is running.
- check the fan elements.
- check whether the ambient temperature is in the permissible range.
- check the motor load.
- check the line supply phases.
Notice:
This fault can only be acknowledged after this alarm threshold for alarm A05004 has been undershot.
F30040 Power unit: Undervolt 24 V
Message value: %1
Drive object: SERVO_S110-CAN, SERVO_S110-DP, SERVO_S110-PN
Reaction: OFF2
Acknowledge: IMMEDIATELY (POWER ON)
Cause: Failure of the 24 V power supply for the power unit.
- The undervoltage threshold was undershot for longer than 3 ms.
Fault value (r0949, decimal interpretation):
24 V voltage [0.1 V].
Remedy: - check the 24 V DC power supply of the power unit.
- carry out a POWER ON (power off/on) for the component.
A30041 (F) Power unit: Undervoltage 24 V alarm
Message value: %1
Drive object: SERVO_S110-CAN, SERVO_S110-DP, SERVO_S110-PN
Reaction: NONE
Acknowledge: NONE
Cause: 24 V power supply fault for the power unit.
- the 16 V threshold was undershot..
Alarm value (r2124, interpret decimal):
24 V voltage [0.1 V].
Remedy: - check the 24 V DC power supply of the power unit.
- carry out a POWER ON (power off/on) for the component.
Reaction upon F: NONE (OFF1, OFF2, OFF3)
Acknowl. upon F: IMMEDIATELY (POWER ON)
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SINAMICS S110 List Manual (LH7), 06/2012, 6SL3097-4AP10-0BP3