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LG RAD-121B room air conditioner Parts
Here are the diagrams and repair parts for LG RAD-121B room air conditioner, as well as links to manuals and error code tables, if available.
Owner’s manual
Error CodesBy Schematic
SELECT DIAGRAM
Browse Parts for RAD-121B Room Air Conditioner
Room a/c diagram
Vent Damper
Part #4900A20003A
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Control Case Assembly
Part #ABQ33478622
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Base Assembly
Part #3041A20021V
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Condenser
Part #ACG32514901
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Display Pcb
Part #6871A20418A
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Front Grille Assembly
Part #AEB72912901
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Remote Controller Assembly
Part #6711A20089K
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Room Air Conditioner Evaporator Coil Assembly
Part #5421A10026P
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Cabinet
Part #3091AR2317M
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Tube Assembly
Part #5211A20470Q
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…
Learn how to tell whether a fuse is blown…
Find out how to protect your smart appliances from malevolent invasions by hackers.…
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