91
SAMSUNG ELECTRONICS
10-2-4 Outdoor temperature sensor error
Indoor display
7 SEG DISPLAY
DESCRIPTION
C221
Outdoor temperature sensor error
Outdoor display
Outdoor temperature sensor error
: LAMP ON
: LAMP OFF
: LAMP BLINK
1. Checklist :
1) Is the sensor connected correctly?
2) Is the sensor placed correctly?
3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature?
4) Is the resistance value of sensor connection pull-up correct?
2. Troubleshooting procedure
Isthe sensorresistance value
"B" 10kohm±3%attheroomtemperature
of 25
Isthe sensor connector("A") connected
correctly in accordance with a color?
YES
YES
Connectthe sensorto PBA connector
supply power and measure the voltage of
"B"in the connector
NO
NO
Reconnect the sensor connector.
Sensor Replace
Sensor resistance value : 20 - 12.09kohm
30 - 8.31kohm
35 - 6.94kohm
40 - 5.83kkohm
Below 0.5Vdc or Over 4.5Vdc?
YES
NO
Exchange the Outdoor PBA
YES
Exchange the Outdoor PBA
Micom error or connectorcheck
Model
"A"
"B"
All
CN251
CN251 #1-#2
Содержание AR09TXFCAWKNEU
Страница 78: ...77 SAMSUNG ELECTRONICS 7 Wiring Diagram 7 1 Indoor Unit CODE DB68 08680A 01 ...
Страница 80: ...79 SAMSUNG ELECTRONICS 8 PCB Diagram 8 1 Indoor Main PCB DB92 04839A ...
Страница 81: ...80 SAMSUNG ELECTRONICS 8 2 Outdoor PCB DB92 04837A ...
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Страница 84: ...83 SAMSUNG ELECTRONICS 8 4 DISPLAY PCB DB92 04833B ...
Страница 107: ...106 SAMSUNG ELECTRONICS 11 Block Diagram 11 1 Indoor unit ...
Страница 108: ...107 SAMSUNG ELECTRONICS 11 2 Outdoor unit ...
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