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Haier
Air Handler

Model # AB18SC2VHA Official Haier ductless split air conditioner

Here are the diagrams and repair parts for Official Haier AB18SC2VHA ductless split air conditioner, as well as links to manuals and error code tables, if available.

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Installation guide
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 19 parts  |
Main Power Control Board WJ26X23785
#9

Room air conditioner diagram

Main power control board

Part #WJ26X23785

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

Remote Control YR-E17
#9996

Optional accessories diagram

Remote control

Part #YR-E17

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

Fan Motor WJ94X22583
#3

Room air conditioner diagram

Fan motor

Part #WJ94X22583

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

Remote Control Receiver WJ35X22590
#15

Room air conditioner diagram

Remote control receiver

Part #WJ35X22590

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

Controller Abc Cable 15ft. WJ01X23923
#9998

Optional accessories diagram

Controller abc cable 15ft.

Part #WJ01X23923

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

Electrical Box W/temperature Sensor WJ26X23788
#10

Room air conditioner diagram

Electrical box w/temperature sensor

Part #WJ26X23788

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

Water Pump WJ76X23784
#19

Room air conditioner diagram

Water pump

Part #WJ76X23784

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

Terminal Block WJ26X23179
#17

Room air conditioner diagram

Terminal block

Part #WJ26X23179

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

Fan Shroud WJ76X22584
#8

Room air conditioner diagram

Fan shroud

Part #WJ76X22584

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

Remote Control YR-E16B
#9995

Optional accessories diagram

Remote control

Part #YR-E16B

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

Symptoms for window air conditioners

Choose a symptom to see related window air conditioner repairs.

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Why your window AC compressor is not turning on?

Main causes: bad compressor, lack of refrigerant, bad compressor start relay, electronic control board failure…

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Why won't water draining from my window air conditioner?

Main causes: clogged drain hole, air conditioner not leveled properly…

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Why is water leaking into the house from my window air conditioner?

Main causes: clogged condensate drain, air conditioner not leveled properly, leaky window air seals …

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Why are my window air conditioner's evaporator fins iced up?

Main causes: dirty air filter, air conditioner is too small for the room, temperature set too cold, control failure…

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Why does my window air conditioner's compressor hum but not work?

Main causes: turning the air conditioner off and the back on too quickly, dirty or restricted condenser coil, compressor…

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Why won't my window air conditioner start?

Main causes: lack of electrical power, bad electronic control board, wiring failure, bad temperature sensor…

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Repair guides for window air conditioners

These step-by-step repair guides will help you safely fix what’s broken on your window air conditioner.

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How to replace a window air conditioner ambient thermistor

How to replace a window air conditioner ambient thermistor

If your window air conditioner isn’t cooling properly, it might need a new ambient thermistor. You can replace it yourse…

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Repair difficulty
Time required
 45 minutes or less
How to replace a window air conditioner condenser fan

How to replace a window air conditioner condenser fan

If the condenser fan blade is broken or the condenser fan motor won’t run, you can replace the broken parts yourself by…

Read more
Repair difficulty
Time required
 90 minutes or less
How to replace a window air conditioner electronic control board

How to replace a window air conditioner electronic control board

The electronic control board is the brain of your window air conditioner. Here’s how to replace it.…

Read more
Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your air handlers

Use the advice and tips in these articles and videos to get the most out of your window air conditioner.

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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