LFC21770ST (AST2LGA) LG Refrigerator - Overview

Sections of the LFC21770ST

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Refrigerator Door Switch – Part Number: 6600JB1010A
Refrigerator Door Switch
★★★★★
★★★★★
(2)
PartSelect #: PS3529268
Manufacturer #: 6600JB1010A
This door switch is used in refrigerators. It is activated by the closing and opening of the door
$46.23
  In Stock
Temperature Sensor – Part Number: 6615JB2005H
Temperature Sensor
★★★★★
★★★★★
(1)
PartSelect #: PS3529340
Manufacturer #: 6615JB2005H
Keep your refrigerator running efficiently with this defrost sensor and thermistor assembly. It monitors the evaporator coil temperature to help regulate the defrost cycle, preventing frost buildup an...
$56.75
  In Stock
Refrigerator Lamp Cover – Part Number: 3550JA1388B
Refrigerator Lamp Cover
★★★★★
★★★★★
(1)
PartSelect #: PS3519843
Manufacturer #: 3550JA1388B
We know how inconvenient it can be when a minor issue affects the functioning of your LG refrigerator, so allow us to present the LG Refrigerator Light Lens Cover. Designed to secure the light bulb in...
$33.23
  In Stock
Defrost Heater – Part Number: 5300JK1005K
Defrost Heater
PartSelect #: PS12368655
Manufacturer #: 5300JK1005K
This sheath heater is a genuine OEM replacement part manufactured by LG for select refrigerator models. It plays a critical role in preventing frost buildup by gently warming the evaporator area, help...
$133.99
  In Stock
SOCKET,LAMP – Part Number: EAG62831801
SOCKET,LAMP
PartSelect #: PS3643279
Manufacturer #: EAG62831801
This part is a replacement light socket for your refrigerator. This model is white in color, and it has two sockets that will fit two separate light bulbs. The light socket connects to the power sourc...
  No Longer Available
Refrigerator Push Button Switch – Part Number: 6600JB3007K
Refrigerator Push Button Switch
★★★★★
★★★★★
(1)
PartSelect #: PS3529285
Manufacturer #: 6600JB3007K
$47.07
  In Stock
Drain Tube Assembly – Part Number: 5251JA3003D
Drain Tube Assembly
PartSelect #: PS3527689
Manufacturer #: 5251JA3003D
$27.69
  In Stock
Freezer Fan Assembly – Part Number: ADP73694301
Freezer Fan Assembly
PartSelect #: PS8749044
Manufacturer #: ADP73694301
Feel the difference a premium part like the FAN ASSEMBLY from LG can make in getting your appliance back in optimal shape. This isn't your run-of-the-mill replacement - this is an original OEM item de...
$27.69
  On Order
Light Bulb – Part Number: 6912JB2004M
Light Bulb
PartSelect #: PS3530408
Manufacturer #: 6912JB2004M
  No Longer Available
Stopper,Compressor – Part Number: 4620JA3015A
Stopper,Compressor
PartSelect #: PS3523075
Manufacturer #: 4620JA3015A
$18.96
  Special Order
Display Case – Part Number: 3110JA1096A
Display Case
PartSelect #: PS3518271
Manufacturer #: 3110JA1096A
Let's get your LG refrigerator looking and working like new again with our genuine LG Electronics Dispenser Display Assembly. This assembly is more than just a white plastic trim piece'it's a key part...
$61.20
  In Stock
Ice Gear – Part Number: 4470JA2008A
Ice Gear
PartSelect #: PS3522982
Manufacturer #: 4470JA2008A
$18.96
  In Stock

Questions And Answers for LFC21770ST

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Common Symptoms of the LFC21770ST

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Light not working
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Freezer not defrosting
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these parts
Fixing
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Noisy
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Remove and replace light switch
Video makes it look easy. Kenmore refrigerator does not have "groove" along the right hand side of switch that allows for pushing down on release. Used a thin screwdriver to get under to push while holding switch edge with pliers. Kept slipping. Tape sides to avoid scratching inside of refrigerator.
Parts Used:
Refrigerator Door Switch
  • Debbie from Waltham, MA
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Pliers, Screw drivers
45 of 87 people found this instruction helpful.
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Replace Thermistor in back of freezer
Turn off power, remove upper and lower drawers (may need to open upper refrigerator doors to remove large freezer bin,) remove drawer supports (upper and lower), remove rear freezer panel (trick is to loosen 4 screws on fan bumpout to get the panel to come free from the freezer side wall), test thermistor with multimeter (should have continuity or near zero resistance across 2 orange fuse wires) before cutting zip ties, cut zip ties holding Thermistor in place, remove old Thermistor, install new Thermistor, install new zip ties, replace rear freezer panel, install upper and lower drawer supports, install drawers, turn on power, should be fixed if error code doesn't return after 6 hours.
Parts Used:
Temperature Sensor
  • Scott from JUPITER, FL
  • Difficulty Level:
    Easy
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Pliers, Screw drivers
17 of 24 people found this instruction helpful.
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Freezer wil not get cold enough
As per utube
Parts Used:
Motor,DC
  • michael from JAMAICA, NY
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
7 of 9 people found this instruction helpful.
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