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Haier AAC121STA-PAAC121STA0 room air conditioner Parts
Here are the diagrams and repair parts for Haier AAC121STA-PAAC121STA0 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 AAC121STA-PAAC121STA0 Room Air Conditioner
Supplemental information diagram
Svc Man, Room Air Conditioner
Part #16022222
The manufacturer no longer makes this part, and there's no substitute part
Outer case assembly diagram
Gasket Oc Left
Part #R0130140
The manufacturer no longer makes this part, and there's no substitute part
Outer case assembly diagram
Tape Per Rol
Part #M0275163
The manufacturer no longer makes this part, and there's no substitute part
Control assembly diagram
Strap Capacitor
Part #R0130754
The manufacturer no longer makes this part, and there's no substitute part
Chassis assembly diagram
Evaporator Cover
Part #R0130166
The manufacturer no longer makes this part, and there's no substitute part
Chassis assembly diagram
Cindenser Cover
Part #R0130167
The manufacturer no longer makes this part, and there's no substitute part
Chassis assembly diagram
Compressor Grommet (qty 3)
Part #R0131436
The manufacturer no longer makes this part, and there's no substitute part
Outer case assembly diagram
Brace, External-rt
Part #R0131402
The manufacturer no longer makes this part, and there's no substitute part
Chassis assembly diagram
Base Pan Plug (qty Ar)
Part #R0131528
The manufacturer no longer makes this part, and there's no substitute part
Chassis assembly diagram
Assy, Capillary
Part #R0130181
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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