Samsung AQB09JJWC Service Manual page 62

11-2-10 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?
Is the connector connected correctly?
Is the color of Fan wire matched correctly?
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Yes
No
Yes
No
Yes
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Remove the Fan lock.
No
Connect the connector.
No
Exchange the Fan.
Exchange the PCB.
Troubleshooting
Normal operation
Exit
11-14