Samsung AR18KSFPDWQXCV - Outdoor Cond Temperature Sensor Error

10-8 Samsung Electronics
10-2-7 Outdoor Cond temperature sensor error
Indoor display
3-LED DISPLAY
7-SEG DISPLAY
DESCRIPTION
LED1 LED2 LED3
E231 Outdoor Cond temperature sensor error
Outdoor display
Outdoor Cond temperature sensor error
LED ON LED BLINKING LED OFF
1. Checklist :
1) Is the sensor connected correctly?
2) Is the sensor placed correctly?
3) Does the both terminal of sensor satisfy the resistance valueinaccordance with temperature?
4) Is the resistance valueof sensor connection pull-up correct?
2. Troubleshooting procedure
YES
Exchange the Outdoor PBA
YES
Exchange the Outdoor PBA
NO
NO
NO
Is the sensor resistance value
"B" 10kohm±3% at the room temperature
of25
Is the sensor connector("A")
connected correctly in accordance
with a color ?
YES
YES
Is the connection ofpower cable
and communication cablenormal?
Sensor Replace
Sensor resistance value 20
- 12.09kohm
30
- 8.31kohm
35
-6.94koh m
40
-5.83kohm
Recon nect the sensor connector .
Connect t he sensor to PBA connector
supply power and measure the voltage of"B"
in the connector
Below0.5VdcorOver 4.5Vdc?
Micom error or connector check
MODEL "A" "B"
ALL CN251 CN251 #5-#6