Outdoor Temperature Sensor Error - Samsung AR18NSWSPWKXCV Service Manual

10-2-6 Outdoor 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 with a color?
Is the sensor resistance value
"(#1-#2)" 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
and communication cable normal?
"(#1-#2)" i n the connector
Below 0.5Vdc or Over 4.5Vdc?
Micom error or connector check
Exchange the Outdoor PBA
Samsung Electronics
LED3
LED OFF
YES
of 25
YES
NO
YES
7-SEG DISPLAY
E221
Outdoor temperature sensor error
NO
Reconnect the sensor connector.
NO
Sensor Replace
Sensor resistance value : 20 - 12.09kohm
YES
Exchange the Outdoor PBA
DESCRIPTION
Outdoor temperature sensor error
30 - 8.31kohm
35 - 6.94kohm
40 - 5.83kkohm
10-7