InverterFR-F800Verification pending — cross-check with the official manual
FR-F800 E.PUE — E.PUE
Trip — immediate stop
CAUSE
Why does it occur?
- The inverter trips if communication between the inverter and PU is suspended, e.g. the operation panel or parameter unit is disconnected, when the disconnected PU disconnection function is valid in Pr
- 75 "Reset selection/disconnected PU detection/PU stop selection". The inverter trips if communication errors occurred consecutively for more than permissible number of retries when Pr
- 121 "Numb
REMEDY · Step by step
How to fix it?
Fit the operation panel or the parameter unit securely.
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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