
43
Is it displayed under picture?
Reconnect
Does the cold-air come out
of the top of the main duct?
Is the feedback voltage
betw een pin1 and pin2 of
CON12 like as below?
(from motor to main board)
Check fan motor
(Connector,
Frozen, Locked)
No
Replace
Main PCB
No
Yes
Yes
Is the connection loose?
Yes
Replace
MAIN PCB
Reset and
Enter the TEST 1 MODE
Is the output voltage
betwee n pin2 and pin3 of
CON12 like as below?
NO
Yes
Explain to the customer!
Pin2 To Pin3
Test Point
12 ~ 16 V
Result
Freezer Fan Voltages
Pin10 To Pin11
Test Point
1 ~ 4 V
Result
Feedback Voltages
No
Yes
Refrigerator Fan Error
Pin1
Pin2
Pin3 Pin2