InverterFR-A800Verification pending — cross-check with the official manual
FR-A800 HOLD — Operation panel lock
Alarm — operational, inspection needed
CAUSE
Why does it occur?
- Operation lock is set
- Operation other than is invalid. (Refer to page 347.) --------------
REMEDY · Step by step
How to fix it?
Press for 2 seconds to release the lock.
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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