Samsung NS140HHXEA Service Manual page 53

4-6-8 Coil temperature sensor error
1. Checklist :
1) Is the sensor connector 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 connected
correctly in accordance with a color?
Yes
Is the temperature sensor connected
correctly without separation?
Yes
Does the both terminal of sensor
satisfy the resistance
value in accordance with temperature?
(Refer to the R/T TABLE)
Yes
Is the resistance value
of sensor connection pull_up 18.2K?
Yes
400.0
350.0
300.0
250.0
200.0
150.0
100.0
50.0
0.0
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No
No
No
No
No
Reconnect the sensor connector.
Change the position of sensor.
Exchange the sensor.
Exchange the PCB.
Exchange the PCB. Normal operation
Exit
4-21