93
SAMSUNG ELECTRONICS
10-2-6 Outdoor Discharge temperature sensor error
Indoor display
7 SEG DISPLAY
DESCRIPTION
C251
Outdoor Discharge temperature sensor error
Outdoor display
Outdoor Discharge 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 sensor connector("A")
connected correctly in accordance
with a color?
NO
YES
Reconnect the sensor connector.
Isthe sensorresistance value
"B" 200kohm±3%attheroomtemperature
of 25
NO
YES
Sensor Replace
Sensor resistance value 20 - 242kohm
30 - 166ohm
35 - 138ohm
40 - 115kohm
Connectthe sensorto PBA connector
supply power and measure the voltage of
"B"in the connector
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 #3-#4
Summary of Contents for AR09TXFCAWKNEU
Page 78: ...77 SAMSUNG ELECTRONICS 7 Wiring Diagram 7 1 Indoor Unit CODE DB68 08680A 01 ...
Page 80: ...79 SAMSUNG ELECTRONICS 8 PCB Diagram 8 1 Indoor Main PCB DB92 04839A ...
Page 81: ...80 SAMSUNG ELECTRONICS 8 2 Outdoor PCB DB92 04837A ...
Page 82: ...81 SAMSUNG ELECTRONICS ...
Page 84: ...83 SAMSUNG ELECTRONICS 8 4 DISPLAY PCB DB92 04833B ...
Page 107: ...106 SAMSUNG ELECTRONICS 11 Block Diagram 11 1 Indoor unit ...
Page 108: ...107 SAMSUNG ELECTRONICS 11 2 Outdoor unit ...
Page 118: ...117 SAMSUNG ELECTRONICS ...