Samsung AC026JNNCEH Service Manual page 44

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
Samsung Electronics
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
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