
Samsung Electronics
4-27
Troubleshooting
4-5-9 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
Yes
Yes
Yes
Isn't the Fan locked?
Is the connector connected correctly?
Is the color of Fan wire matched correctly?
Remove the Fan lock
Connect the connector
Exchange the Fan
Exchange the PCB
Normal operation
Exit
No
No
No
NS090SDXEA_E_SM_33623A(1)_1.indd 27
2011-04-08 �� 10:55:31