74
SAMSUNG ELECTRONICS
9-2-2 Indoor temperature sensor Error
Indoor display
7 SEG DISPLAY
DESCRIPTION
C121
Indoor room temp sensor error
1. Checklist :
1) Is the indoor units temperature sensor connected correctly?
2) Is the sensor placed correctly?
3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature?
2. Troubleshooting procedure
Detachtheassembledsensorfromthe PBAsensor
connectorandmeasurethesensorresistancewith
ohmmeter(tester)
YES
ExchangetheindoorPBA
YES
ExchangetheindoorPBA
NO
NO
Isthesensorresistancevalue
10kohm±3% attheroomtemperature
of 25°C
YES
Ass'y Sensor Replace
Sensorresistancevalue : 20°C- 12.09kohm
30°C - 8.31kohm
35°C - 6.94kohm
40°C- 5.83kohm
Connectthesensorto PBA connector (6piin)
supply powerandmeasurethe voltage of #1-#2 in
theconnector
Below 0.5V orOver4.5V?
Micomerrororconnectorcheck
Содержание AR07TXCAAWKNEU
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Страница 59: ...59 SAMSUNG ELECTRONICS 6 Wiring Diagram 6 1 Indoor Unit CODE DB68 08680A 01 ...
Страница 61: ...61 SAMSUNG ELECTRONICS 7 PCB Diagram 7 1 Indoor Main PCB DB92 04839A ...
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