Siemens Micromaster 440 or MM440 Drive
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Jun 11, 2022 1:06 pm
How can resolve problem F0004 fault in siemens micromaster 440 or MM440 drive ?
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Jun 11, 2022 1:06 pm
Cause : Inverter Over Temperature.
- Ventilation inadequate
- Ambient temperature is too high.
- Actual drive converter temperature r0037 exceeds the overtemperature threshold (refer to P0292)
Diagnosis & Remedy
Check the following:
- Fan must turn when inverter is running
- Pulse frequency must be set to default value
- Ambient temperature could be higher than specified for the inverter
- Reduce the load and / or ensure adequate cooling
Additional meaning for frame sizes FX and GX:
- P949 = 1: Rectifier overtemperature
- P949 = 2: Ambient overtemperature
- P949 = 3: EBOX overtemperature
