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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
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Browse Parts for AAC121STA-PAAC121STA0 Room Air Conditioner
Outer case assembly diagram
Right Side Curtain Track
Part #R0131403
The manufacturer no longer makes this part, and there's no substitute part
Outer case assembly diagram
Drain Tube
Part #R0131419
The manufacturer no longer makes this part, and there's no substitute part
Control assembly diagram
Board-control Pc
Part #R0131442
The manufacturer no longer makes this part, and there's no substitute part
Outer case assembly diagram
10 Mm Curtain/top Rail Screw
Part #R0131411
The manufacturer no longer makes this part, and there's no substitute part
Chassis assembly diagram
Inlet Panel
Part #R0131443
The manufacturer no longer makes this part, and there's no substitute part
Chassis assembly diagram
Discharge Tube
Part #R0130183
The manufacturer no longer makes this part, and there's no substitute part
Chassis assembly diagram
Gang Bar Vert Louv
Part #R0130136
The manufacturer no longer makes this part, and there's no substitute part
Chassis assembly diagram
Air Conditioner Blower Scroll
Part #R0130172
The manufacturer no longer makes this part, and there's no substitute part
Control assembly diagram
Fuse Pcb
Part #R0131690
The manufacturer no longer makes this part, and there's no substitute part
Control assembly diagram
Thermistor
Part #R0131689
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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