LG LFC21776ST Service Manual

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9. Troubleshooting Without Error Display
9-1 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
Explain to customer
Change the Main PCB
Change the F Lampe
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
Infinity
Infinity
0
Go to the 3
Change door S/W
Go to the 3
Change door S/W
Status Result SVC Action
<CON4>
<CON3>

LG LFC21776ST Specifications

General

Type	freestanding
Style	french door
Color	stainless steel
Refrigerator Capacity	20.7 cubic feet
Freezer Capacity	6 cubic feet
Humidity Controlled Crispers	yes
Defrost System	manual
Quick Freeze	no
Number of Refrigerator Door Bins	yes
Temperature Control	digital
Interior Light	led
Ice Maker	yes
Water Filter	no
Door Alarm	yes
Smart Home	no
Annual Energy Consumption	400 kilowatt hours
Voltage	120 volts

Weight and Dimensions

Depth	30 inches
Height	69.75 inches
Width	35.75 inches
Net Weight	278 pounds