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Heat Controller COMFORT-CINE REG-243A User Manual

Page 24

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25 Room Air Conditioner

Troubleshooting Guide

Fails to Start

Check circuit breaker
and fuse.

Gas leakage of feeler bulb
of thermostat

Check of control switch.

Fan only fails to start.

Improper wiring.

Defect of fan motor
capacitor.

Irregular motor resistance
( ).
Irregular motor insulation
( ).

Replacement of fan motor.

Regular but fails to start.

Replacement of compressor
(locking of rotor, metal).

Improper thermostat setting.

Loose terminal connection.

Improper wiring.

Irregular motor resistance ( )

Irregular motor insulation ( )

Replacement of compressor
(Motor damaged)

Drop of power voltage.

Capacitor check.

Replacement

Compressor only fails to
start.

Defect of compressor
capacitor.

Check of power source.

Check of control switch
setting.

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