LG PCRCUDT3 User Manual

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Smart Inverter

Remote Control System

User’s Manual

WLAN Module for

LG Smart Air Conditioning Application

Model: PCRCUDT2/ PCRCUDT3

LG Smart AC

Table of Contents

Other manuals for LG PCRCUDT3

Installation Guide/User Guide26 pages

Questions and Answers:

N
Nicolas HarrisAug 22, 2025
What to do if I cannot connect the LG Smart AC app to the indoor unit?
- W
  Wanda FernandezAug 22, 2025
  If you're having trouble connecting the LG Smart AC app to the indoor unit, here's what you can do: * Ensure the indoor unit is turned on. * Move to a location with a stronger wireless signal. * Verify that the wireless network connected to the indoor unit is active. * Try toggling the wireless on your smartphone off and on again. * Restart your smartphone. * Sign into the LG Smart AC app again to re-establish communication with the indoor unit. This issue may arise if the indoor unit is off, the wireless signal is weak, the wireless network is off, there's a problem with the app, or the app lost connection with the indoor unit.
Y
yorkjessicaAug 23, 2025
How to fix an LG Control Systems indoor unit that is not connecting to the wireless?
- S
  Shawn EvansAug 23, 2025
  If your LG Control Systems indoor unit isn't connecting to the wireless network, here are a few things to check: * Make sure your wireless network is turned on. * Ensure the internet cable is properly plugged into the wireless connection. * Consider that the wireless network might be too far from the indoor unit. Try installing the wireless router closer to the indoor unit. This issue may occur if the wireless is off, the internet cable is unplugged, or the wireless network is too far from the indoor unit.
H
Hannah HolmesAug 25, 2025
What to do if my smart device is connected to Wi-Fi but not operating my LG Control Systems?
- M
  mackenziepotterAug 25, 2025
  If your smart device shows a wireless connection but isn't operating your LG Control Systems, it could be due to a few reasons: * Check if the WLAN indicator light is on the indoor unit. If it's not, the wireless connection may be unstable. Re-establish communication through the app. * The password entered for the wireless network during device registration might be incorrect. Re-enter the correct password. Wireless instability can disrupt communication between your smart device and the indoor unit. Providing an incorrect password during registration can also cause connection problems.

LG PCRCUDT3 Specifications

General

Brand	LG
Model	PCRCUDT3
Category	Modem
Language	English

Summary

Installation Sequence

Downloading and Installing the App

Steps for downloading and installing the LG Smart AC app on smartphones.

Install the Android App

Specific instructions for installing the app on Android devices via the Play Store.

Install the iPhone App

Specific instructions for installing the app on iPhones via the App Store.

LG Smart AC Registration and Connection

WLAN Module Install

Physical installation steps for the WLAN module into the indoor unit of the air conditioner.

Initial WLAN Module and Smart AC Connection

Steps for initial pairing of the WLAN module with the app via home wireless network.

Using Smart AC

Initial Setup

Steps for the initial setup and login process within the LG Smart AC mobile application.

Control Functions

Basic Operation Modes

Covers Cooling, Dehumidifying (Dry), Heating, and Fan modes of operation.

Auto Changeover Operation

How to use the Auto Changeover (ACO) mode for automatic temperature adjustments.

Managing Favorite Settings

Creating Favorite Settings

How to create and save preferred AC operating configurations as favorites.

Editing and Deleting Favorites

Instructions on re-ordering, modifying, or deleting saved favorite settings within the app.

Advanced Functions

Purify Mode Control

How to turn the purification mode of the indoor unit on or off via the app.

Air Flow (Swing Direction) Adjustment

How to adjust the up/down and left/right swing directions of the AC louvers.

Setting Timer and Sleep Functions

How to set countdown timers for Sleep Mode and unit operation start/stop.

Filter Usage and Maintenance

Monitoring Filter Usage

How to monitor filter usage percentage and remaining operational hours.

Setting Filter Renewal Date

How to set a reminder date for filter cleaning or replacement.

Additional Settings

General Settings

Settings for registering AC, changing temperature units, and account login.

Account Management

Details on adding/deleting users and managing account access.

Help and About Information

Access to user guides, online help, software version, and open source license.

Troubleshooting LG Smart AC App Operation

Connectivity and Registration Issues

Problems connecting smartphone to wireless module, registering the AC, and device operation.

Account, App, and Warning Messages

Solutions for account problems, app crashes, and troubleshooting specific warning messages.

Data Guide

Open Source Information

Details on obtaining GPL, LGPL, MPL source code and license information.

Notices and Regulatory Information

FCC and Wireless Regulations

FCC certification, warnings, US wireless notice, and FCC statements.

Canadian IC Regulations

Industry Canada certification, warnings, and radiation exposure statements.

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