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9-4 Freezer room AC Bulb Lamp doesn’t work
No
1
Checking flow
Check the Freezer door switch. If feel sticky, Change the door s/w.
Result & SVC Action
2 Check the door S/W resistance.
3 Check the Yellow Blue to Sky blue.
4 Check the Blue to Black. Check the Blue to Black.
Closed
Open
0 ~ 2 V
Other
115 V
Other
Normal
Change the Main PCB
Change the F Lamp
Change the PCB
Status Result SVC Action
Closed
Open
5 V
Other
0 V
Other
Go to the 4
Change the Door S/W
Go to the 4
Change the Door S/W
Status Result SVC Action
Normal
Push
S/W
0
Other
Infinity
Go to the 3
Change door S/W
Go to the 3
Change door S/W
Status Result SVC Action
<CON4>
<CON3>