InverterFR-D700Verified · sol.ls-electric.com
FR-D700 E.OHT — External thermal
Trip — immediate stop
CAUSE
Why does it occur?
Signal received at the external OH input
REMEDY · Step by step
How to fix it?
Check the thermal relay and reset
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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