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E.J fault error code in Mitsubishi FR-XC drive

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Cause : PU disconnection - This function stops the converter output if communication between the converter and the PU is suspended (for example, by disconnecting the parameter unit) while "2, 3, 16 or 17" is set in Pr.75 Reset selection / disconnected PU detection / PU stop selection. This protective function is not enabled in the initial setting (Pr.75 = "14").

• Check that the PU is connected properly.
• Check that the Pr.75 setting is correct.
• Set the Pr.75 appropriately.
• Fit the PU securely.

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