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Carrier 51GMA121321B room air conditioner Parts
Here are the diagrams and repair parts for Carrier 51GMA121321B room air conditioner, as well as links to manuals and error code tables, if available.
Error Codes
By Schematic
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Browse Parts for 51GMA121321B Room Air Conditioner
#80
All parts diagram
Capillary Tube (23") (51cvb212300b , 51cvc212300b)
Part #491-064
The manufacturer no longer makes this part, and there's no substitute part
#65
All parts diagram
Pressure Bar
Part #51CM500133
The manufacturer no longer makes this part, and there's no substitute part
#22
All parts diagram
Timer
Part #HK25SK005
The manufacturer no longer makes this part, and there's no substitute part
#84
All parts diagram
Window Mount Assembly (lh)
Part #51GM400371
The manufacturer no longer makes this part, and there's no substitute part
#14
All parts diagram
Cover, Terminal (51cmc012311b) (51cmc112101b) (51cmd012301b)
Part #HX50ZZ036
The manufacturer no longer makes this part, and there's no substitute part
#80A
All parts diagram
Capillary Tube, 16" (51gma121321b)
Part #491-054
The manufacturer no longer makes this part, and there's no substitute part
#85
All parts diagram
Sill Bracket
Part #51GM400381
The manufacturer no longer makes this part, and there's no substitute part
#25
All parts diagram
Thermostat
Part #51CM660001
The manufacturer no longer makes this part, and there's no substitute part
#28
All parts diagram
Rocker Switch
Part #HR54AD101
The manufacturer no longer makes this part, and there's no substitute part
#51
All parts diagram
Exhaust Screen
Part #51CM500292
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.…
Parts & More
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