Samsung AR09NXFSPWKNEE Service Manual page 62

10-2-7 Outdoor Cond temperature sensor error
Indoor display
3-LED DISPLAY
LED1 LED2
Outdoor display
LED ON LED BLINKING
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
Is the sensor connector("CN251")
connected correctly in accordance
Is the sensor resistance value
"(#5-#6)" 10kohm±3% at the room temperature
Connect the sensor to PBA connector supply
Is the connection of power cable
p ower and measure the voltage of "(#5-#6)"
and communication cable normal?
Below 0.5Vdc or Over 4.5Vdc?
Micom error or connector check
Exchange the Outdoor PBA
10-8
LED3
LED OFF
with a color?
YES
of 25
YES
in the connector
NO
YES
7-SEG DISPLAY
E231 Outdoor Cond temperature sensor error
Outdoor Cond temperature sensor error
NO
Reconnect the sensor connector.
NO
Sensor Replace
Sensor resistance value 20 - 12.09kohm
YES
Exchange the Outdoor PBA
DESCRIPTION
30 - 8.31kohm
35 - 6.94kohm
40 - 5.83kohm
Samsung Electronics