12.SERVICE PROCEDURES

(2)A Sensor is Defective

1 Indoor (heat exchanger) coil temp. Sensor is defective.

(a)Open (=No continuity in sensor)

Compressor and outdoor fan repeat ON for 10 minutes and OFF for 6 minutes when sensor opens.

(b)Short

“Freeze Prevention” does not operate when dehumidified water is frozen on the indoor coil.

2Room temp. Sensor (in the remote control unit) is defective.

(a)Open (=No continuity in sensor) Neither outdoor fan nor compressor runs.

(b)Short

Outdoor fan and compressor do not stop. — Excessive cooling.

(3)Operation of Major Electrical Parts

Operation Mode

Operation

 

Indoor unit and Remote Control unit

 

Oudoor unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Indicator lamps

 

Fan

Fan

Compressor

(Function)

 

Room

Cool

Timer

Night setback

Sweep

 

 

 

 

Temp.

Energy saver

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Manual

Thermo.ON

 

 

 

 

Thermo.OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

Night

Thermo.ON

 

 

Cool

setback

Thermo.OFF

 

 

 

 

 

-ing

 

 

 

 

 

 

 

 

 

 

Timaer

ON Timer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(set)

OFF Timer

 

 

 

Freeze prevention

 

 

 

 

 

Fan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sweep

Cool

*

 

*

 

*

*

 

 

 

 

 

 

 

 

 

 

Flap

Fan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stop

Cool

*

 

*

 

*

*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE * Refer to Cooling Mode.

SM830078

– 61 –

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Sanyo CL4232, C4232 Room temp. Sensor in the remote control unit is defective, Operation of Major Electrical Parts

CL4232, C4232 specifications

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