Mitsubishi FR-F Series- FR-F800, FR-F800-E, FR-F846-E2 & FR-F700 Drive
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Apr 01, 2024 11:34 am
Cause : Option fault comes when the inverter output if a contact fault or the like of the connector between the inverter and communication option occurs.
Appears when the switch for the manufacturer setting of the plug-in option is changed.
1. Check that the plug-in option is plugged into the connector securely.
2. Check for excess electrical noises around the inverter.
