InverterFR-F800Verification pending — cross-check with the official manual
FR-F800 E.OS — Overspeed
Trip — immediate stop
CAUSE
Why does it occur?
- The inverter trips when the motor speed exceeds the Pr
- 374 "Overspeed detection level" under PM motor control
- This protective function is not available in the initial status. Check that the Pr
- 374 setting is correct
REMEDY · Step by step
How to fix it?
- Set the Pr
- 374 correctly
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 Mitsubishi Electric manual. For accurate and complete information, always consult the official manual.
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