Siemens SINAMICS G120 · Fault F30001
F30001 — Power unit: Overcurrent
On a Siemens SINAMICS G120, fault F30001 reads “Power unit: Overcurrent”. Here's what to check — cited to the manual.
Grounded · SINAMICS G120C List Manual (LH13, 04/2014, A5E33840768B AA) · manual-cited
What this fault means
The power unit has detected an overcurrent condition.
SINAMICS G120C List Manual (LH13, 04/2014, A5E33840768B AA), p.522
“F30001 Power unit: Overcurrent — Cause: The power unit has detected an overcurrent condition.”
First checks (from manual)
- check the motor data - if required, carry out commissioning
- check the motor circuit configuration (star/delta)
- U/f operation: Increase up ramp
- U/f operation: Check assignment of rated currents of motor and power unit
- check the line supply quality
- Reduce motor load
- Correct connection of line reactor
- check the power cable connections
- check the power cables for short-circuit or ground fault
- check the length of the power cables
- replace power unit
- check the line supply phases
SINAMICS G120C List Manual (LH13, 04/2014, A5E33840768B AA), p.522 — Remedy column
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