Siemens Micromaster 420 or MM420 Drive
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Jun 09, 2022 4:50 am
F0011 Motor overtemperature I2T fault in siemens micromaster 420 or MM420 drive - comes when motor overloaded or incorrect motor data in parameter.
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Jun 09, 2022 4:51 am
Cause : Motor overloaded
Diagnosis & Remedy
Please check the following:
- is the load cycle correct?
- is the thermal motor time constant (P0611) correct ?
- is the motor I2t alarm threshold correc.
1. Check motor data
2. Check loading on motor
3. Boost settings too high (P1310,P1311, P1312)
4. Check parameter for motor thermal time constant
5. Check parameter for motor I2t warning level.
