Freezer Fan Error
Main
PCB
CON4
1 | WH | 1 | 1 |
| |||
2 | BK | 2 | 2 |
| |||
3 | PR | 3 | 3 |
| |||
|
| Housing |
BK
RD
PR
Wiring diagram
Is
Yes |
|
Is the connection loose? | Yes |
|
Reconnect
Does the
of the top of the main duct? No
Yes
Check fan motor (Connector, Frozen,Locked)
No
Reset and
Enter the TEST 1 MODE No Is the output voltage between pin1 and pin2 of
CON4 like as below?
Pin1 WH Pin2 BK
Freezer Fan Voltages
Test Point |
| Ressult |
|
|
|
pin1 to pin2 |
| 12 ~ 16 V |
|
|
|
Yes |
|
Replace Main PCB
Is the feedback voltage | No | Replace | |||
between pin2 and pin3 of | |||||
Main PCB | |||||
CON4 like as below? |
| ||||
|
| ||||
(from motor to main board) |
|
| |||
|
| Pin2 BK |
|
| |
|
|
|
| ||
|
| Pin3 PR |
|
| |
|
|
|
|
Feedback Voltages
Test Point | Ressult |
|
|
pin2 to pin3 | 1 ~ 4 V |
|
|
Yes
Explain to the customer!
- 24 -