Samsung AC026NNNDKH Service Manual page 59

4-4-2-2. Troubleshooting procedure (PF3)
Is the sensor connector(CN502) connected
correctly in accordance with a colorRED,4PIN)?
Is the sensor resistance value #1-#2
10kohm±3% at the room temperature
of 25°C
Connect the sensor to PBA connector (4pin)
supply power and measure the voltage of
#1-#2 in the connector
Below 0.5V or Over 4.5V?
Micom error or connector check
Exchange the Outdoor PBA
4-26
Yes
Yes
No
Yes
No
Reconnect the sensor connector.
Sensor Replace
No
Sensor resistance value : 20°C - 12.09kohm
Yes
Exchange the PBA of no Ourdoor PBA
30°C - 8.31kohm
35°C - 6.94kohm
40°C - 5.83kohm
Samsung Electronics