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Haier AAC121STA0 room air conditioner

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.

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Browse Parts for AAC121STA0 Room Air Conditioner

  • Curtain, Win for Haier AAC121STA0 - Part R0131405

    Outer case assembly diagram

    Curtain, Win

    Part #R0131405

    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

  • Liquid Line for Haier AAC121STA0 - Part R0130184

    Chassis assembly diagram

    Liquid Line

    Part #R0130184

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

  • Tech Sht, Rpl Rt4110064 for Haier AAC121STA0 - Part 16022225

    Supplemental information diagram

    Tech Sht, Rpl Rt4110064

    Part #16022225

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

  • Capacitor, F for Haier AAC121STA0 - Part R0131434

    Control assembly diagram

    Capacitor, F

    Part #R0131434

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

  • Suction Tube for Haier AAC121STA0 - Part R0130182

    Chassis assembly diagram

    Suction Tube

    Part #R0130182

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

  • Rail for Haier AAC121STA0 - Part R0130073

    Outer case assembly diagram

    Rail

    Part #R0130073

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

  • Escutcheon for Haier AAC121STA0 - Part R0131445

    Chassis assy diagram

    Escutcheon

    Part #R0131445

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

  • Strap Compacitor for Haier AAC121STA0 - Part R0130754

    Control assembly diagram

    Strap Compacitor

    Part #R0130754

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

  • 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

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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Tapping into a new feature in the Search Bar on Sears PartsDirect

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How to tell if a fuse is blown

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Keeping your smart appliances secure from hackers

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