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Troubleshooting
4-3 Appropriate Measures for Different Symptom (cont.)
4-3-41
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Outdoor unit display
- Detect according to the value of current flowing through the Fan PBA.
Judgment Method
- Detect malfunction of the fan motor system according to the fan revolutions
• Fan Motor connection error.
Cause of problem
• Defective Fan
• Defective PBA
1. Cause of problem
Power On and then Auto Trial Operation
Did the error occurs?
Did you check
the foreign objects on the Fan
Dual Fan Controller?
If there's two motor, the
combination is normal?
Remove the motor 3-phase current wires
between PBA and motor
Samsung Electronics
Fan motor locking error
(FAN PBA(FAN1))
(FAN PBA(FAN2))
detected by the hall IC during the fan motor runs.
Yes
rotary wing?
Yes
Power Off
Yes
Continue.
No
End of Service
No
Remove the foreign objects and restart.
Normal ccmbination
DB31-00614E, DB31-00614F
DB31-00614G, DB31-00614H
DB31-00651A, DB31-00651B
DB31-00652A, DB31-00651B
DB31-00675A, DB31-00675B
DB31-00675E, DB31-00675F
No
Remove the foreign objects and restart.
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