Siemens Micromaster 430 or MM430 Drive
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Jun 11, 2022 9:13 am
How can resolve problem A0501 alarm in siemens micromaster 430 or MM430 drive ?
1 Reply
Jun 11, 2022 9:16 am
Cause : Current Limit. Motor power (P0307) does not correspond to the inverter power (P0206). Motor leads are too long. Earth faults.
Diagnose & Remedy
Check the following:
1. Motor power (P0307) must correspond to inverter power (r0206)
2. Cable length limits must not be exceeded
3. Motor cable and motor must have no short-circuits or earth faults
4. Motor parameters must match the motor in use
5. Value of stator resistance (P0350) must be correct
6. Motor must not be obstructed or overloaded
- Increase the ramp-up-time.
- Reduce the boost level (V/f control: P1311 & P1312)
