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Cause:
The code number of the actual motor with DRIVE-CLiQ does not match the saved number.
Fault value (r0949, decimal):
Number of the incorrect parameter.
See also: p0301, r0302
Remedy:
Connect the original motor, power-up the control unit again (POWER ON) and exit the quick commissioning by set-
ting p0010 to 0.
Or set p0300 = 10000 (load the motor parameter with DRIVE-CLiQ) and re-commission.
Quick commissioning (p0010 = 1) is automatically exited with p3900 > 0.
If quick commissioning was exited by setting p0010 to 0, then an automatic controller calculation (p0340 = 1) is not
carried-out.
F07956
Drive: Motor code number does not match the list (catalog) motor
Reaction:
NONE
Acknowledge:
IMMEDIATELY
Cause:
The code number of the actual motor with integrated encoder evaluation does not match the possible list motor types
(refer to the selection, p0300).
Fault value (r0949, decimal):
Motor coder number from the integrated encoder evaluation.
Remedy:
Use the integrated encoder evaluation with the matching motor code number.
The first three digits of the motor coder number generally correspond to the matching list motor type.
F07957
Drive: Motor type does not match drive type
Reaction:
NONE
Acknowledge:
IMMEDIATELY
Cause:
The code number of the actual motor with integrated encoder evaluation does not match the actual drive type
(p0107).
Fault value (r0949, decimal):
Motor coder number from the integrated encoder evaluation.
Remedy:
Select another drive type (e.g. servo drive for synchronous motors).
F07970
Drive: Automatic encoder adjustment incorrect
Reaction:
OFF2 (NONE, OFF1)
Acknowledge:
IMMEDIATELY
Cause:
A fault has occurred during the automatic encoder adjustment.
Fault value (r0949, decimal):
1: Current controller limited
2: Motor shaft locked.
3: Damping input limited.
4: Encoder speed signal not plausible.
Remedy:
Re fault value = 1:
Check whether the motor is correctly connected.
Check whether motor data have been correctly entered.
Replace the motor module involved.
Re fault value = 2:
Motor holding brake active.
Load blocks the motor.
Re fault value = 3:
Check whether the speed actual value inversion is correct (p0410.0).
Check whether the motor is correctly connected.
Check whether motor data have been correctly entered.
Re fault value = 4:
Check whether the encoder pulse number (p0408) and gearbox factor (p0432, p0433) are correct.
Check whether the motor pole pair number is correct (p0314).
A07971 (N)
Drive: Automatic encoder adjustment activated
Reaction:
NONE
Acknowledge:
NONE
Cause:
The automatic encoder adjustment is activated.
The automatic encoder adjustment is carried-out with the next power-on command.
See also: p1990
Siemens AG 2004 All Rights Reserved
SINAMICS G List Manual, Edition 12.2004
Faults and Alarms
List of faults and alarms
3-575
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