Diagnostics
11-8) If CoolSelect ZoneTM isn’t operated normally (RS2555, RS2577)
1) If the lamp of CoolSelect ZoneTM is not lit.
Start
Is the connector of | NO |
CoolSelect ZoneTM inserted correctly |
|
| |
in the refrigerator? |
|
|
|
|
|
|
|
|
|
|
| YES |
| Reinsert the connector; troubleshoot | ||
|
|
| ||||
| Is the connector of main | NO | a bad contact. | |||
|
|
| ||||
|
| |||||
| PCB (CN51) inserted correctly? |
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| YES |
| Reinsert the connector in the main | ||
|
|
| ||||
| Is the connector of | NO | PCB. | |||
|
|
| ||||
| CoolSelect ZoneTM panel PCB |
|
|
|
| |
|
|
|
| |||
| inserted ? |
|
|
| ||
|
|
| ||||
If the Panel key isn’ t selected: |
|
|
| |||
| Reinsert the connector; troubleshoot | |||||
|
| YES |
| |||
|
|
| ||||
| Is lighting operated | YES | a bad contact. | |||
|
|
| ||||
| normally in the exchange of CoolSelect Zone | TM |
|
|
| |
|
|
|
| |||
| panel PCB? |
|
|
| ||
|
|
| ||||
NO
1.Check the wires of CoolSelect ZoneTM– check the disconnection of wire, short between wires.
2.Check the Lighting Circuit of CoolSelect ZoneTM panel in the main PCB for Short/Open.
3.Check the main PCB of CoolSelect ZoneTM assembly for Short; the wire assembly state between the panel and main PCB.
Panel PCB has trouble for itself.
2)If the Panel PCB key isn’t selected:
-The basic method is applied to check – if you fail in troubleshooting after above the execution, then
NO
Aren’t a key or more pressed
continuously?
|
|
|
|
|
|
|
|
|
|
|
|
| YES |
|
| Reassemble the PCB ass’y/Enforce | |
|
|
|
|
|
| |||
|
| Isn’t the PCB system |
|
| the cancellation of pressed keys | |||
|
|
|
|
|
| |||
|
| still operated by separation? |
|
|
|
| ||
|
| NO |
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| YES |
|
| Reassemble the PCB asswmbly and | |
|
|
|
|
|
| |||
|
| Is lighting operated | YES |
| Enforce the cancellation of pressed keys | |||
|
|
|
|
| ||||
|
|
|
|
| ||||
|
| normally after the exchange of |
|
|
|
| ||
|
|
|
|
|
| |||
|
| panel- | PCB? |
|
|
|
| |
|
|
|
|
|
| |||
|
|
|
| NO |
|
|
|
|
Refer to |
|
|
|
| Panel PCB has trouble for itself. | |||
|
|
|
|
| ||||
Is a periodical wave | NO |
|
|
| ||||
Panel Circuit and measure the |
|
|
| |||||
form outputted from the main |
|
|
|
| ||||
|
|
|
| |||||
wave form. | PCB |
| IC9? |
|
|
|
| |
|
|
|
|
| ||||
|
|
|
|
| ||||
|
|
|
|
|
|
|
| |
|
|
|
| YES |
|
| 1. Replace the main PCB. | |
|
|
|
|
|
|
| 2. Check the wire shorts of CoolSelect | |
| 1. Check the wires of CoolSelect ZoneTM – check the disconnection of wire, short between wires. |
| ZoneTM panel. | |||||
|
|
|
| |||||
2.Check Short/Open the Lighting Circuit section of CoolSelect ZoneTM panel in the main PCB.
3.Check the short of main PCB in CoolSelect ZoneTM . Check the wire assembly
54
