Sanyo SPW-T303G56, SPW-T363GS56 4-2A Sensor is Defective, 4-3Operation of Major Electrical Parts

Models: SPW-C303G5 SPW-T253GS56 SPW-T303GS56 SPW-C363G5 SPW-T303G56 SPW-C253G5 SPW-T253G56 SPW-T363G56 SPW-C363G8 SPW-T483GS56 SPW-T483G56 SPW-T363GS56

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4-2 A Sensor is Defective.

4. Service procedures

4-2 A Sensor is Defective.

1Indoor (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.

4-3 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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Energy

Thermo. ON

 

 

 

saver

Thermo. OFF

 

 

 

 

 

Cool

 

 

 

 

 

 

 

 

 

 

Night

Thermo. ON

 

 

-ing

 

 

setback

Thermo. OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Timer

ON Timer

 

 

 

 

 

 

 

 

(set)

OFF Timer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Freeze prevention

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sweep

Cool

*

 

*

 

*

*

 

 

 

 

 

 

 

 

 

 

Flap

Fan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stop

Cool

*

 

*

 

*

*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE * Refer to Cooling Mode.

4

SM830043

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Sanyo SPW-T303G56, SPW-T363GS56 4-2A Sensor is Defective, 4-3Operation of Major Electrical Parts, Service procedures