Samsung AM072BXV Series - Hall IC Connection;Two Motor Parameter Difference Error

Troubleshooting
Samsung Electronics 143
Yes
4-3-52 / Hall IC connection/Two motor parameter difference error
Outdoor unit display
(FAN PBA(FAN1))
(FAN PBA(FAN2))
Judgment Method
• Fan rotation defective or vibration and noise of the defective operation.
• Hall IC there is no signal input.
• Detected by SW while starting.
Cause of problem
• Hall IC wire disconnection.
• Defective circuit parts and defective manufacturing.
• Fan Motor defective.
• Motor parameters are completely different
1.
Cause of problem
Power Off / Power Restart
FAN Motor Connector
4-3 Appropriate Measures for Different Symptom (cont.)
Replace Fan PBA
Restart
When the error is repeated, replace the Fan Motor.
End of Service
No
No
No
Yes
Did the error occurs?
Connection wire
of HALL IC did confirmation?
(Verify that the wire folded, or the connection
is detached.)
HALL IC on the PBA is correctly
connected ?
Check the connecting wire and
restart.
Yes
Check the connecting wire and
restart.
Yes
Dual Fan Controller?

combination is nomal?
Replace it normal combination
No
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
FAN Motor
No
Yes