Service Procedures - Sanyo SPW-D253G56 Service Manual

4. SERVICE PROCEDURES

4-1 Troubleshooting .............................................................................................50
(1) Check before and after Troubleshooting ................................................ 50
(2) Air conditioner does not operate ............................................................ 51
(3) Outdoor unit does not run ...................................................................... 55
(4) Indoor unit does not run ......................................................................... 57
(5) Some part does not operate ................................................................... 57
(6) Outdoor fan does not run ....................................................................... 58
(7) Outdoor fan speed is not switched from High to Low even when
the outdoor temperature falls below 25.5°C. .......................................... 58
(8) Compressor does not run ....................................................................... 58
(9) Poor cooling ............................................................................................59
(10) Excessive cooling....................................................................................60
4-2 A Sensor is Defective .....................................................................................61
4-3 Operation of Major Electrical Parts ............................................................... 61
4-4 Checking the Electrical Components ............................................................ 62
(1) Measurement of Insulation Resistance .................................................. 62
(2) Checking the Protective Devices ........................................................... 63
(3) Checking the Electrical Parts ................................................................. 64
(4) Thermistor Characteristic Curve............................................................. 65
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4. Service procedures
4. Service procedures
SM830044
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