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LG LAU121CNM room air conditioner Parts
Here are the diagrams and repair parts for LG LAU121CNM room air conditioner, as well as links to manuals and error code tables, if available.
Error Codes
By Schematic
SELECT DIAGRAM
Browse Parts forLAU121CNM Room Air Conditioner
Room a/c diagram
Service Valve
Part #2H02479HReplaced by #2H02479N
Manufacturer substitutionThis part replaces 2H02479H. Substitute parts can look different from the original.In Stock$51.99
Qty
Room a/c diagram
Cover
Part #3550U-L006AReplaced by #3550U-L006B
Manufacturer substitutionThis part replaces 3550U-L006A. Substitute parts can look different from the original.In Stock$26.35QtyRoom a/c diagram
Cover
Part #MCK59704901
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Room Air Conditioner Electronic Control Board
Part #6871A20901D
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Panel Assembly, Front (outdoor)
Part #AGL32476414
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Tube Assembly, Condenser (in)
Part #5211A24117A
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Condenser Assembly, Bending
Part #5403A20221C
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Valve Service
Part #5220A20006A
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Thermistor, Ntc
Part #6323A20016N
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Discharge Grille
Part #3530A20006B
The manufacturer no longer makes this part, and there's no substitute part
Most common symptoms to help you fix your room air conditioners
Main causes: clogged condensate drain, air conditioner not leveled properly, leaky window air seals ...
Main causes: bad compressor, lack of refrigerant, bad compressor start relay, electronic control board failure...
Main causes: lack of electrical power, bad electronic control board, wiring failure, bad temperature sensor...
Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor...
Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor...
Main causes: turning the air conditioner off and the back on too quickly, dirty or restricted condenser coil, compressor...
Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure....
Main causes: dirty air filter, air conditioner is too small for the room, temperature set too cold, control failure...
Main causes: clogged drain hole, air conditioner not leveled properly...
Effective articles & videos to help repair your room air conditioners
Learn about a new feature added to the Search Bar on Sears PartsDirect...
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Find out how to protect your smart appliances from malevolent invasions by hackers....
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