To Next PageTo Next PageWhy is the current low in my LG Air Conditioner?
If your LG Air Conditioner exhibits low current due to a defective compressor or a defective 4-way reverse valve, a technician will need to diagnose and address the faulty component.
General| Brand | LG |
|---|---|
| Model | LS-M3021CL |
| Category | Air Conditioner |
| Language | English |
Details operational modes, sensors, and fan speed control for the indoor unit.
Explains the purpose of each button on the remote control unit.
Provides detailed measurements for the indoor unit chassis.
Provides detailed measurements for the outdoor unit.
Illustrates the refrigeration cycle for cooling-only units.
Illustrates the refrigeration cycle for cooling and heating units.
Table correlating capacity, pipe size, length, and refrigerant.
Diagrams and notes on maximum elevation and oil trap placement.
Schematics for indoor unit electrical connections.
Schematics for outdoor unit electrical connections.
Covers basic operations, indicators, auto restart, and forced operation.
Details cooling, dehumidification, heating, defrost, and fuzzy logic modes.
Explains timer functions, sleep timer, and airflow speed selection.
Covers Chaos modes, Jet Cool, and auto restart functionality.
Describes test operation, protection features, display, and self-diagnosis.
Guidance on choosing optimal locations for indoor and outdoor units.
Guidelines for refrigerant pipe length, elevation, and oil traps.
Steps for mounting the installation plate and drilling wall holes.
Detailed steps for flaring copper pipes and connecting them.
Guide for connecting the electrical cable between units.
How to verify the condensate drain system is functioning correctly.
Procedures for removing air and moisture from the refrigerant circuit.
Steps for verifying unit operation and performance after installation.
Identifies buttons and their functions on the remote control.
Details on selecting cooling, auto, dehumidification, and heating modes.
Steps to remove the front grille and side panels.
Guides for removing the control box, evaporator, and fan assemblies.
Steps to collect refrigerant into the outdoor unit using the 3-way valve.
Steps for purging air during re-installation.
Procedure to balance refrigerant charge in the system.
Process for evacuating the system using a vacuum pump.
Steps for charging the system with refrigerant after evacuation.
Analyzing issues based on temperature differences and operating current.
Diagnosing problems by comparing cycle temperatures and pressures.
Steps to diagnose why the unit is not operating at all.
Troubleshooting problems related to the remote controller not working.
Diagnosing why the compressor or outdoor fan is not driving.
Troubleshooting steps when the indoor fan does not operate.
Diagnosing problems with vertical louvers and heating mode.
Circuit layout for the main indoor unit's printed wiring board.
Circuit layout for the main outdoor unit's printed wiring board.
Circuit layout for the display unit's printed wiring board.
Electrical schematic for the indoor unit.
Electrical schematic for outdoor units in heat pump models.
Electrical schematic for outdoor units in cooling-only models.
Visual breakdown of indoor unit components with part numbers.
Table of indoor unit parts, their part numbers, and applicable models.
Visual breakdown of outdoor unit components with part numbers.
Table of outdoor unit parts, their part numbers, and applicable models.
