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Faults and Alarms
List of faults and alarms
Remedy:
None necessary.
The alarm automatically disappears after the encoder has been successfully adjusted or for the setting p1990 = 0.
Reaction upon N:
NONE
Acknowledge
NONE
upon N:
A07980
Drive: Speed controller optimization activated
Reaction:
NONE
Acknowledge:
NONE
Cause:
The automation speed controller optimization is activated.
The optimization routine is carried-out at the next power-on command.
See also: p1960
Remedy:
None necessary.
The alarm disappears automatically after the speed controller optimization has been successfully completed or for
the setting p1900 = 0.
A07981
Drive: Speed controller optimization, enable signals missing
Reaction:
NONE
Acknowledge:
NONE
Cause:
Automatic optimization of the speed controller cannot be started because some enable signals have not been set.
Remedy:
- acknowledge faults that are present.
- establish missing enable signals.
See also: r0002, r0046
A07982
Drive: Speed controller optimization encoder test
Reaction:
NONE
Acknowledge:
NONE
Cause:
A fault has occurred during the encoder test.
Alarm value (r2124, decimal):
1: The speed did not reach a steady-state condition.
2: The speed setpoint was not able to be approached as the minimum limiting is active.
3. The speed setpoint was not able to be approached as the suppression (skip) bandwidth is active.
4. The speed setpoint was not able to be approached as the maximum limiting is active.
5: The encoder does not supply a signal.
6: Incorrect polarity.
7: Incorrect pulse number.
8: Encoder signal faults.
Remedy:
Re alarm value = 1:
- check the motor parameters.
- carry-out a motor data identification routine (p1910).
- if required, reduce the dynamic factor (p1967 < 0.25).
Re alarm value = 2:
Adapt the speed setpoint (p1965) or minimum limiting (p1080).
Re alarm value = 3:
Adapt the speed setpoint (p1965) or suppression (skip) bandwidths (p1091 ... p1094, p1101).
Re alarm value = 4:
Adapt the speed setpoint (p1965) or maximum limiting (p1082, p1083 and p1086).
Re alarm value = 5:
Check the encoder connection. If required, replace the encoder.
Re alarm value = 6:
Check the connection assignment of the encoder cable. Adapt the polarity (p0410).
Re alarm value = 7:
Adapt the pulse number (p0408).
Re alarm value = 8:
Check the encoder connection and encoder cable. It is possible that there is a problem associated with the ground
connection.
Note:
The encoder test can be switched-out (disabled) using p1959.0.
See also: p1959
3-576
Siemens AG 2004 All Rights Reserved
SINAMICS G List Manual, Edition 12.2004
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