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Haier AAC121STA0 room air conditioner Parts

Here are the diagrams and repair parts for Haier AAC121STA0 room air conditioner, as well as links to manuals and error code tables, if available.

Haier AAC121STA0 room air conditioner
By Schematic
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Browse Parts for AAC121STA0 Room Air Conditioner

  • Screw, Outercase Anchor (qty 4) (non-illus) for Haier AAC121STA0 - Part R0131407

    Outer case assembly diagram

    Screw, Outercase Anchor (qty 4) (non-illus)

    Part #R0131407

    The manufacturer no longer makes this part, and there's no substitute part

  • Drain Tube for Haier AAC121STA0 - Part R0131419

    Outer case assembly diagram

    Drain Tube

    Part #R0131419

    The manufacturer no longer makes this part, and there's no substitute part

  • Track, Curtain-rt Side for Haier AAC121STA0 - Part R0131403

    Outer case assembly diagram

    Track, Curtain-rt Side

    Part #R0131403

    The manufacturer no longer makes this part, and there's no substitute part

  • Rod, Vert Louver Connecting for Haier AAC121STA0 - Part R0130138

    Chassis assy diagram

    Rod, Vert Louver Connecting

    Part #R0130138

    The manufacturer no longer makes this part, and there's no substitute part

  • Louvers, Vertical for Haier AAC121STA0 - Part R0130159

    Chassis assy diagram

    Louvers, Vertical

    Part #R0130159

    The manufacturer no longer makes this part, and there's no substitute part

  • Gasket, Oc Lt for Haier AAC121STA0 - Part R0130140

    Outer case assembly diagram

    Gasket, Oc Lt

    Part #R0130140

    The manufacturer no longer makes this part, and there's no substitute part

  • Insert, Grille Front for Haier AAC121STA0 - Part R0130160

    Chassis assy diagram

    Insert, Grille Front

    Part #R0130160

    The manufacturer no longer makes this part, and there's no substitute part

  • Panel, Inlet for Haier AAC121STA0 - Part R0131443

    Chassis assembly diagram

    Panel, Inlet

    Part #R0131443

    The manufacturer no longer makes this part, and there's no substitute part

  • Condenser Cover for Haier AAC121STA0 - Part R0130167

    Chassis assy diagram

    Condenser Cover

    Part #R0130167

    The manufacturer no longer makes this part, and there's no substitute part

  • Gang Bar, Vertical Louver for Haier AAC121STA0 - Part R0130136

    Chassis assy diagram

    Gang Bar, Vertical Louver

    Part #R0130136

    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

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