Troubleshooting
Samsung Electronics 4-51
4-6-7-2 Checking Pipe in/out and Cond and Ambient temperature sensor
1. Check items
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. Check procedure
Yes
Reconnect the sensor connector.
No
Is the sensor
connector connected correctly in
accordance with a color?
Yes
No
Sensor Replace
Sensor resistance value : 20°C - 12.09kohm
30°C - 8.31kohm
35°C - 6.94kohm
40°C - 5.83kohm
Exchange the Outdoor PBA.
No
Yes
Is the sensor
resistance value 10kohm±3% at the room
temperature of 25°C?
Below 0.5V or Over 4.5V?
Yes
Connect the sensor to PBA connector
supply power and measure the voltage
of sensor in the connector.
Micom error or connector check.
Exchange the Outdoor PBA.
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