A3U LG Air Conditioner - Overview

Models starting with A3U

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Parts for models starting with A3U

$8.55

Damper,Compressor

Part #4H00982E

$48.45

Thermistor Assembly

★★★★★

(1)

Part #EBG61107109

$53.20

Fan Assembly,Propeller

★★★★★

(1)

Part #5901A10033A

This propeller fan assembly circulates air efficiently to support cooling, ventilation, or heat distribution. Balanced airflow helps protect internal components from overheating and improves performance consistency. Replacing a worn fan restores quiet operation and dependable airflow throughout the system.

$46.34

Thermistor Assembly

Part #EBG61107014

$143.88

Fan,Propeller

★★★★★

(1)

Part #MDG37708601

This propeller fan is designed to maintain optimal airflow in air conditioning and heat pump systems, ensuring efficient heating and cooling performance. It circulates conditioned air evenly throughout the space, helping regulate temperature and improve comfort. Built from durable materials, the fan supports system longevity and energy ef...Read more

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$65.73

PCB Assembly,Main

Part #6871A20500B

$207.88

MOTOR ASSEMBLY,DC,INDOOR

★★★★★

(2)

Part #4681A20172Q

This DC motor assembly is a genuine replacement component designed for the outdoor unit of select LG ductless and window air conditioners. It powers the fan responsible for circulating air over the condensing coil, a critical function that supports cooling efficiency and overall system performance. By converting electrical energy into mec...Read more

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MOTOR ASSEMBLY,DC,OUTDOO

Part #4681A20172G

$36.85

Overload Protect

Part #6750U-L048A

$65.73

COIL,EXPANSION

★★★★★

(1)

Part #EAP62228712

Compressor Set,Korea

Part #TBZ31469901

$87.98

COVER ASSEMBLY,TOP(OUTDO

Part #ACQ73019508

Repair Tips From Fixers Like You

See how others fixed this model. Time, tools, difficulty, and steps that lead to victory! View More

LG Mini Split Air Conditioner Error Code CH 46

23 of 31 people found this instruction helpful.

Malcolm from Mt Pleasant, SC
Really Easy
15 - 30 mins
Screw drivers

Remove the main power disconnect. Remove the top cover and the fan-side side panel. Disconnect the thermister from the main circuit board located under top panel. Remove the two thermister sensors from the holders attached to suction piping. Install the new thermisters and reconnect the harness to the circuit board. Reinstall top cover an ... Read more

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Error CH 46 Suction Pipe Thermistor

3 of 3 people found this instruction helpful.

Paula from Yantis, TX
Really Easy
Less than 15 mins
Screw drivers

Download PDF Multi Air Conditioner SVC Manual for LMU187HV,,, Disconnect the Power,,, Remove cover of the Outdoor Compressor, Remove black cover to the electronics board.. Find the Red Plug-in to the existing Suction Pipe Thermistor, replace with the new one, match each sensor (2) follow the leads one by one, remove the old attach the new ... Read more

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Noisy motor

1 person found this instruction helpful.

Robert from Warwick, RI
Easy
30 - 60 mins
Nutdriver, Socket set

Removed front, rear and side panel. matched up connector of old motor to new. unplugged old harness and plugged in new motor before, I installed it to see if it worked. Ran and sounded great. Took old motor off and replaced with new. All good.

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