Samsung NS140HHXEA Service Manual page 54

4-6-9 Fan error
1. Checklist :
1) Isn't the fan locked?
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
Isn't the Fan locked?
Yes
Is the connector connected correctly?
Yes
Is the color of Fan wire matched correctly?
Yes
4-22
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No
No
No
No
Remove the Fan lock.
Connect the connector.
Exchange the Fan.
Exchange the PCB. Normal operation
Exit
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