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GE
Central Air Conditioner

Model # A2B778EPCSD1 Official GE room air conditioner

Here are the diagrams and repair parts for Official GE A2B778EPCSD1 room air conditioner, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 191 parts  |
Clip WJ3X87

#73

All parts diagram

Clip

Part #WJ3X87

This item is not returnable
$2.16
In Stock
Screw WZ5X153

#983

All parts diagram

Screw

Part #WZ5X153

This item is not returnable
$2.49
In Stock
Screw WZ2X548

#952

All parts diagram

Screw

Part #WZ2X548

This item is not returnable
$5.49
In Stock
Condenser WJ88X159

#110

All parts diagram

Condenser

Part #WJ88X159

$351.49
In Stock
Spring Gr WJ2X258

#400

All parts diagram

Spring gr

Part #WJ2X258

$17.49
In Stock
Screw WZ4X288

#724

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Screw

Part #WZ4X288

This item is not returnable
$3.49
In Stock
Screw WZ4X362

#NI

All parts diagram

Screw

Part #WZ4X362

This item is not returnable
$4.99
In Stock
Use & Care Z 49-7144
Use & care z

Part #49-7144

Replaced by #49-7144-1

?
Manufacturer substitution
This part replaces 49-7144. Substitute parts can look different from the original.
$8.49
In Stock
Panel Side Rh WP82X07

#610

All parts diagram

Panel side rh

Part #WP82X07

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

Accumulator Tube WJ62X293

#NI

All parts diagram

Accumulator tube

Part #WJ62X293

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 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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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 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 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 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 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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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 user interface control board

How to replace a window air conditioner user interface control board

Control buttons or lights on the user interface control board can stop working. This repair guide shows how to replace i…

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Repair difficulty
Time required
 30 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…

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Repair difficulty
Time required
 90 minutes or less

Effective articles & videos to help repair your central air conditioners

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

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Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

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How to prevent the 2 most common AC failures from ruining your summer

How to prevent the 2 most common AC failures from ruining your summer

Get tips to help keep your central AC running all summer long…

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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