F0002 fault in siemens micromaster 420 or MM420 drive
How can resolve problem F0002 fault in siemens micromaster 420 or MM420 drive ?
F0002 Overvoltage fault
Cause
- DC link voltage (r0026) higher than the overvoltage threshold (refer to parameter r0026)
- ground fault
Diagnosis & Remedy
Please check the following:
- is the line supply voltage within the permissible range?
- has the DC current DC link monitoring been enabled (P1240) and correctly parameterized?
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