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Faults and Alarms
List of faults and alarms
F07930
Drive: Brake control defective
Reaction:
OFF1 (NONE, OFF2, OFF3)
Acknowledge:
IMMEDIATELY
Cause:
The control unit has detected a brake control fault.
- no motor holding brake connected.
- the motor holding brake control on the motor module is faulty.
- a DRIVE-CLiQ communications error has occurred between the control unit and the motor module involved.
Fault value (r0949, decimal):
10: No brake connected or fault in the motor module brake control circuit ("open brake" operation).
11: Defect in the brake control circuit of the motor module ("brake open" operation).
20: Short-circuit in the brake winding or fault in the brake control circuit of the motor module ("brake open" state).
30: No brake connected, short-circuit in the brake winding or fault in the motor module brake control circuit ("close
brake" operation).
31: Defect in the brake control circuit of the motor module ("close brake" operation).
40: Defect in the brake control circuit of the motor module ("brake closed" state).
50: Defect in the brake control circuit of the motor module or communications fault between the control unit and the
motor module (brake control diagnostics).
Remedy:
- check the motor holding brake connection.
- check the function of the motor holding brake.
- check whether there is a DRIVE-CLiQ communications error between the control unit and the motor module
involved and if required, carry-out a diagnostics routine for the faults identified.
- check the electrical cabinet design and cable routing for EMC compliance
- replace the motor module involved.
A07931
Brake does not open
Reaction:
NONE
Acknowledge:
NONE
Cause:
This alarm is output for r1229.4 = 1.
See also: p1216, r1229
Remedy:
- check the functionality of the motor holding brake.
- check the feedback signal (p1223).
A07932
Brake does not close
Reaction:
NONE
Acknowledge:
NONE
Cause:
This alarm is output for r1229.5 = 1.
See also: p1217, r1229
Remedy:
- check the functionality of the motor holding brake.
- check the feedback signal (p1222).
F07950 (A)
Drive: Motor parameter defective
Reaction:
NONE
Acknowledge:
IMMEDIATELY
Cause:
The motor parameters were incorrectly entered while commissioning (e.g. p0300 = 0, no motor selected)
Fault value (r0949, decimal):
The fault value includes the parameter number involved.
See also: p0300, p0301, p0304, p0305, p0307, p0310, p0311, p0314, p0316, p0320, p0322, p0323
Remedy:
Compare the motor data with the rating plate data and if required, correct.
See also: p0300, p0301, p0304, p0305, p0307, p0310, p0311, p0314, p0316, p0320, p0322, p0323
Reaction upon A:
NONE
Acknowledge
NONE
upon A:
F07955
Drive: motor was changed
Reaction:
NONE
Acknowledge:
IMMEDIATELY
3-574
Siemens AG 2004 All Rights Reserved
SINAMICS G List Manual, Edition 12.2004
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