Issue 01/06 Faults and Alarms
MICROMASTER 440 Parameter List
6SE6400-5BB00-0BP0
319
A0920 ADC parameters not correctly set
Cause
ADC parameters should not be set to identical values, as this would lead to illogical results.
- Index 0: Parameter settings for output identical.
- Index 1: Parameter settings for input identical.
- Index 2: Parameter settings for input do not correspond to ADC type.
A0921 DAC parameters not set properly
Cause
- DAC parameters (P0777 and P0779) have identical values.
OR
- DAC parameters (P0778 and P0780) have identical values.
Identical values would produce illogical results.
Diagnosis & Remedy
Check the following:
- Output parameter settings. Ensure P0777 and P0779 are not identical.
- Input parameter settings. Ensure P0778 and P0780 are not identical.
A0922 No load at the inverter
Cause
- no load is connected to the inverter.
- therefore several functions can run differently than under normal load conditions.
A0923 JOG counter-clockwise as well as JOG clockwise are requested
Cause
- both JOG clockwise and JOG counter-clockwise (P1055/P1056) have been requested. This is the
reason that the RFG output frequency has been frozen to the actual value.
A0952 Load fault detected
Cause
- load conditions at the motor indicate a load fault or mechanical fault.
Diagnosis & Remedy
Please check the following:
- no braking, failure or destruction of the mechanical transmission line
- if required, lubricate the mechanical transmission line.
If you are using an external encoder, please check the following parameter settings:
- P2192 (delay time, load torque monitoring)
If you are using a specific speed range, then please check the following:
- P2182 (load torque monitoring F1)
- P2183 (load torque monitoring F1f2)
- P2184 (load torque monitoring F1f3)
- P2185 (upper torque threshold 1)
- P2186 (lower torque threshold 1)
- P2187 (upper torque threshold 2)
- P2188 (lower torque threshold 2)
- P2189 (upper torque threshold 3)
- P2190 (lower torque threshold 3)
- P2192 (delay time, load torque monitoring)
A0936 PID auto tuning active
Cause
- PID auto tuning (P2350) is selected or is presently running.
Diagnosis & Remedy
- after automatic PID optimization has been completed, the alarm is reset.
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