InverterFR-A800Verification pending — cross-check with the official manual
FR-A800 E.PBT — Internal circuit fault
Trip — immediate stop
CAUSE
Why does it occur?
The inverter output is shut off when an internal circuit fault occurs.
REMEDY · Step by step
How to fix it?
Contact your sales representative.
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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