Sanyo SPW-T253G56 - A Sensor Is Defective; Operation of Major Electrical Parts

SM830043
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4
4. Service procedures
4-2 A Sensor is Defective.
11
11
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.
22
22
2 Room 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
(Function)
Operation
Indoor unit and Remote Control unit
Oudoor unit
Freeze prevention
Manual
Energy
saver
Night
setback
Timer
(set)
Fan
Operation Mode
Sweep
Stop
Indicator lamps
Thermo. ON VV VV V
Thermo. OFF VV V
Thermo. ON VV V VV V
Thermo. OFF VV V
Thermo. ON VV V VV V
Thermo. OFF VV V
ON Timer V
OFF Timer VVV VV V
VV V
VV
Cool VV* V* VV* V*
Fan VV
Cool VV* V* VV* V*
Fan VV
NOTE V* Refer to Cooling Mode.
Cool
Timer
Sweep
Cool
-ing
Fan
Flap
Night setback
Energy saver
Room
Temp.
Fan Compressor