InverterSINAMICS G120Verified · sol.ls-electric.com
SINAMICS G120 F01001 — FloatingPoint exception
Critical — power cycle required
CAUSE
Why does it occur?
Internal firmware floating-point exception — possible firmware/parameter corruption
REMEDY · Step by step
How to fix it?
Back up the parameters, perform a factory reset, and reflash the firmware
Do not reset repeatedly before identifying the cause. Repeated resets while ignoring a trip/alarm can cause secondary damage (IGBT failure, motor winding damage, etc.).
SOURCE
Related manual page
Summary based on the official Siemens AG manual. For accurate and complete information, always consult the official manual.
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