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Refrigerator Fan Error
Is Er-rF displayed?
Yes
Is the connection loose?
No
Reset and
Enter the TEST 1 MODE
Is the output voltage
between pin3 and pin4 of
CON4 like as below?
Pin3 BL/WH
Pin4 GY
Freezer Fan Voltages
Test Point
Result
pin3 To pin4
12 ~ 16 V
Yes
Does the cold-air come out
of the top of the main duct
under Test1 mode ?
Reconnect
Yes
Replace
No
MAIN PWB
(Position
No : 500A)
Explain to the customer!
- 31 -
Yes
Is the feedback voltage
between pin4 and pin5 of
CON4 like as below?
(from motor to main board)
Pin4 GY
pin5 YL/BK
Feedback Voltages
Test Point
Result
Pin4 To pin5
1 ~ 4 V
Yes
Check fan motor
No
(Connector,
Frozen, Locked)
and replace.
Replace
MAIN PWB
No
(Position No :
500A)
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