LG
Window Air Conditioner

Model # LW1811ER Official LG air conditioner

Here are the diagrams and repair parts for Official LG LW1811ER air conditioner, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 40 parts  |

Room Air Conditioner Fan Blade Clamp 3H02932C
#W486

Exploded view parts diagram

Room air conditioner fan blade clamp

Part #3H02932C

Replaced by #MBU64446302

?
Manufacturer substitution
This part replaces 3H02932C. Substitute parts can look different from the original.
This item is not returnable
In Stock
Room Air Conditioner Compressor Grommet 4H00982C
#5501

Exploded view parts diagram

Room air conditioner compressor grommet

Part #4H00982C

Replaced by #4H00982E

?
Manufacturer substitution
This part replaces 4H00982C. Substitute parts can look different from the original.
This item is not returnable
$3.51
22% OFF Phone Price : $4.51
In Stock
Lg Tube Assembly AJR73025302
#2113

Exploded view parts diagram

Lg tube assembly

Part #AJR73025302

In Stock
Lg Room Air Conditioner Electronic Control Board EBR39283908
#7112

Exploded view parts diagram

Lg room air conditioner electronic control board

Part #EBR39283908

$59.22
9% OFF Phone Price : $65.22
In Stock
Condenser Tube AJR73025401
#2111

Exploded view parts diagram

Condenser tube

Part #AJR73025401

In Stock
Kenmore Control Cover ACQ31027801
#5500

Exploded view parts diagram

Kenmore control cover

Part #ACQ31027801

In Stock
Lg Tube Assembly AJR73102701
#211A

Exploded view parts diagram

Lg tube assembly

Part #AJR73102701

In Stock
Mount 4960AR1596A
#9600

Exploded view parts diagram

Mount

Part #4960AR1596A

In Stock
Lg Compressor TBZ35374701
#4160

Exploded view parts diagram

Lg compressor

Part #TBZ35374701

In Stock
Condenser Assembly ACG73044502
#4031

Exploded view parts diagram

Condenser assembly

Part #ACG73044502

In Stock

Symptoms for window air conditioners

Choose a symptom to see related window air conditioner repairs.

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

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…

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

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.

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…

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…

Repair difficulty
Time required
 30 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.…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your room air conditioners

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

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

Learn about a new feature added to the Search Bar on Sears PartsDirect…

How to tell if a fuse is blown

How to tell if a fuse is blown

Learn how to tell whether a fuse is blown…

Keeping your smart appliances secure from hackers

Keeping your smart appliances secure from hackers

Find out how to protect your smart appliances from malevolent invasions by hackers.…