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Housing
Main PWB
SB
CON4
8
9
10
1
2
3
BO
YL
C-FAN
1
2
3
BK
RD
PR
Condenser Fan Error
Wiring diagram
Is Er-CF displayed?
Yes
Is the connection loose?
Reconnect
No
Yes
Is the feedback voltage
between pin9 and pin10 of
CON4 like as below?
(from motor to main board)
Yes
No
1 ~ 4 V
Pin9 To pin10
Result
Test Point
Feedback Voltages
Condenser Fan Voltages
N0
10 ~ 16 V
pin8 To pin9
Result
Test Point
Pin9 BO
Pin8 SB
Yes
Reset and
Enter the TEST 1 MODE
Is the output voltage between
pin8 and pin9 of
CON4 like as below?
Explain to the customer!
Check fan motor
(Connector,
Locked,mouse)
and replace.
(Position No:
420A)
N0
Yes
Is the condenser fan
rotate under Test1 mode?
Replace
MAIN PWB
(Position No:
500A)
Replace
MAIN PWB
(Position No:
500A)
Pin10 YL
Pin9 BO
Содержание 795.78733.804
Страница 24: ...5 CIRCUIT DIAGRAM 24 ...
Страница 71: ... 71 7 9 Main PWB Assembly EBR41956404 CON1 CON2 CON3 CON4 CON5 CON6 CON9 ...