Samsung SH09BWH, Руководство по обслуживанию, Страница: 29 / 54

Samsung Electronics 28
6-4 Fault Diagnosis of Major Parts
• Indoor "Temp.Sensor"
• Indoor "Heat ex. Sensor"
• Outdoor "Temp.Sensor"
• Outdoor "Deice Temp. Sensor"
• Outdoor "Discharge
Temp.Sensor"
• Outdoor "OLP Temp.Sensor"
Indoor Fan Motor
Outdoor Fan Motor
Stepping Motor
Measure resistance with a tester.
Normal
Abnormal
∞
, 0
Ω
… open or short
Normal
Abnormal
∞
, 0
Ω
… open or short
Measure the resistance between terminals of the connector(CN72) with a tester.
Normal At the normal temperature (10°C ~ 30°C)
Abnormal
∞
, … open or short
Measure the voltage between motor wires with a tester.
Normal At the normal temperature (10˚C ~ 30˚C)
✳
SH09BWHX only (AC Motor)
Abnormal
∞
, … open or short
Measure the resistance between the red wire and each terminal wire with a tester.
Normal About 300
Ω
at the normal temperature (20˚C ~ 30˚C)
Abnormal
∞
, … open or short
Diagnosis Part
Ambient temperature 15°C 20°C 25°C 30°C 35°C 40°C
Resistance of
14.68 12.09 10 8.31 6.94 5.83
thermistor[K
Ω
]
Ambient temperature 0°C 10°C 20°C 30°C 40°C 50°C
Resistance of
553 362 242 166 165 82
thermistor[K
Ω
]
Compare terminal Resistance(
Ω
) Remark
Yellow, Blue 460
Ω
±10 Main
Yellow, Red 314
Ω
±10% Sub
Compare terminal Resistance(
Ω
) Remark
Black, Red 255
Ω
±10% Main
Black, Yellow 415
Ω
±10% Sub
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