Samsung AR12HSSDPWKNEE Service Manual page 64

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("A")
connected correctly in accordance
with a color?
Is the sensor resistance value
"B" 10kohm±3% at the room temperature
Connect the sensor to PBA connector
Is the connection of power cable
supply power and measure the voltage of "B"
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
YES
of 25
YES
in the connector
NO
YES
7-SEG DISPLAY
E231 Outdoor Cond temperature sensor error
Outdoor Cond temperature sensor error
ALL
NO
Reconnect the sensor connector.
NO
Sensor Replace
Sensor resistance value 20 - 12.09kohm
YES
Exchange the Outdoor PBA
DESCRIPTION
MODEL "A" "B"
CN251 CN251 #5-#6
30 - 8.31kohm
35 - 6.94kohm
40 - 5.83kohm
Samsung Electronics