InverterFR-D700Verified · sol.ls-electric.com
FR-D700 E.OP1 — Communication option fault
Trip — immediate stop
CAUSE
Why does it occur?
No response from the communication option card
REMEDY · Step by step
How to fix it?
Check option card seating and communication settings
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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