Icing Room Fan Error
Main PWB
CON4
4
5
6
RD
BL
BN
4 | 4 |
5 | 5 |
6 | 6 |
Housing | |
BK |
|
RD | Icing |
PR | FAN |
|
Wiring diagram
Is
Yes
Is the connection loose?
Yes
Reconnect
Does the | N0 | |
of the side duct? | ||
|
Yes
Check fan motor (Connector, Frozen,Locked)
N0
Reset and
Replace
Is the feedback voltage |
| Replace | |
between pin5 and pin6 of | N0 | ||
Main PCB | |||
CON4 like as below? |
| ||
|
| ||
(from motor to main board) |
|
| |
|
|
Enter the TEST 1 MODE N0 Is the output voltage between pin4 and pin5 of
CON4 like as below?
Pin4 RD Pin4 BL
Icing Fan Voltages
Test Point |
| Ressult |
|
|
|
pin4 to pin5 |
| 12 ~ 16 V |
|
|
|
Yes |
| |
Main PCB
Pin5 BL
Pin6 BN
Feedback Voltages
Test Point |
| Ressult |
|
|
|
pin5 to pin6 |
| 1 ~ 4 V |
|
|
|
Yes |
| |
Explain to the customer!
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