Mitsubishi Alarm Code #416 cause 4



Alarm Code #416
Model CPE15 ( Only Two Compressor Type )
Failure Disconnection of Compressor Motor ( CMR )
Countermeasure
<< Cause -(4) >>
Defective Main contactor ( MCR )
< Check > ( Refer to Page F-30 )
Operate the compressor under the test mode, and check the voltage on MC contactor coil.
Check simultaneously AC 24V circuit current value with a clamp meter.
< Action >
• In case the coil voltage is normal ( AC 24V ±10% ) and MC does not work : Replace MCR.
• In case AC coil current is out of approx. 0.3 – 2A range ( at AC 440V ): Replace MCR.
• In case no coil voltage is detected : Replace PCB-C board.

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