Mitsubishi FR-D700 Series, FR-CS80 Series & FR-XC Series Drive
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Apr 02, 2024 12:36 pm
Cause : Communication option fault comes when the converter output is shut off if a communication line error occurs in the communication option.
• Check for a wrong option function setting and operation.
• Check that the communication option is plugged into the connector securely.
• Check for a break in the communication cables.
• Check that the terminating resistor is fitted properly.
