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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
Orifice
In Stock$45.84
Qty
Room a/c diagram
Room Air Conditioner Evaporator Fan Blade
In Stock$51.99QtyRoom a/c diagram
Room Air Conditioner Power Cord
Part #6411A20056KReplaced by #EAD63469503
Manufacturer substitutionThis part replaces 6411A20056K. Substitute parts can look different from the original.In Stock$82.7718% OFF Was : $100.99
QtyRoom a/c diagram
Fan
Part #5900AR1167BReplaced by #5900AR1167C
Manufacturer substitutionThis part replaces 5900AR1167B. Substitute parts can look different from the original.In Stock$27.33QtyRoom a/c diagram
Friedrich Room Air Conditioner Control Panel
Part #3720A10111C
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Louver,ver
Part #4758A20040B
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Room Air Conditioner Accordion Filler Kit
Part #3127A10015B
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Shroud
Part #4998A10023C
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Room Air Conditioner Air Filter
Part #5231A20006A
The manufacturer no longer makes this part, and there's no substitute part
Room a/c diagram
Brace
Part #4800A30002C
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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