Mitsubishi Alarm Code #452 cause 1



Alarm Code #452
Model CPE52, 53, 14, 15, 15V, 16
Failure Disconnection or Internal thermostat actuation of Evaporator fan motor ( Hi )
Countermeasure
<< Cause -(1) >> ( Refer to Page F-4, 5, 6, 7, 8 )
Poor contact of the connector CN13 and the round connector of CT1, and looseness of the terminals related to the evaporator fan motor and it’s electric circuit.
< Check >
Check tightness of CN13 and the round connector of CT1, and check looseness of the terminals
related to the evaporator fan motor and it’s electric circuit.
< Action >
Retighten loose parts and spray #2501S on the contact part of the connectors and the terminals.

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