InverterFR-A800Verified · sol.ls-electric.com
FR-A800 E.OV2 — Overvoltage at constant speed
Trip — immediate stop
CAUSE
Why does it occur?
Input voltage rise or regenerative load
REMEDY · Step by step
How to fix it?
Check input voltage; apply a braking resistor/unit for regeneration
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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