Condenser Fan Error
CON4
Main PWB
7
8
9
SB | 1 | 1 |
| ||
BO | 2 | 2 |
| ||
GN | 3 | 3 |
| ||
| Housing | |
Wiring diagram
BK
RD
PR
Is
Yes |
|
Is the connection loose? | Yes |
|
Reconnect
Is the condenser fan
rotate?No
Yes
Check fan motor (Connector, Locked,mouse)
No
Reset and
Enter the TEST 1 MODE No Is the output voltage between pin7 and pin8 of
CON4 like as below?
Pin7 SB Pin8 BO
Condenser Fan Voltages
Test Point |
| Ressult |
|
|
|
pin7 to pin8 |
| 12 ~ 16 V |
|
|
|
Yes |
| |
Replace Main PCB
Is the feedback voltage |
| Replace | |
between pin8and pin9 of | No | ||
Main PCB | |||
CON4 like as below? |
| ||
|
| ||
(from motor to main board) |
|
|
Pin8 BO
Pin9 GN
Feedback Voltages
Test Point | Ressult |
|
|
pin8 to pin9 | 1 ~ 4 V |
|
|
Yes
Explain to the customer!
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