LG Electronics LWP1830WAL, HB1803R, LWP1820PDL, LWP1820PEL, LWC182PLMM0 Troubleshooting Guide

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Troubleshooting Guide

COMPLAINT

CAUSE

REMEDY

 

 

 

Compressor will not run,

Thermistor

Check the TEMP control. If not at the lowest number,

but fan motor runs.

 

set TEMP control to this setting and restart the unit.

 

 

Check the continuity of the thermistor. Replace the

 

 

thermistor if the circuit is open.

 

 

 

 

Capacitor (Discharge

Check the capacitor.

 

capacitor before servicing.)

Replace if not within ±10% of manufacturers rating.

 

 

Replace if shorted, open, or damaged.

 

 

 

 

Compressor

Check the compressor for open circuit or ground. If

 

 

open or grounded, replace the compressor.

 

 

 

 

Overload

Check the compressor overload, if externally mount-

 

 

ed. Replace if open. (If the compressor temperature

 

 

is high, remove the overload, cool it, and retest.)

 

 

 

Compressor cycles on

Voltage

Check the voltage.

overload.

 

If not within limits, call an electrician.

 

 

 

 

Overload

Check overload, if externally mounted.

 

 

Replace if open. (If the compressor temperature is

 

 

high, remove the overload, cool, and retest.)

 

 

 

Compressor cycles on

Fan motor

If not running, determine the cause. Replace if

overload.

 

required.

 

 

 

 

Condenser air flow restric-

Remove the cabinet. inspect the interior surface of

 

tion

the condenser; if restricted, clean carefully with a vac-

 

 

uum cleaner (do not damage fins) or brush. Clean the

 

 

interior base before reassembling.

 

 

 

 

Condenser fins (damaged)

If condenser fins are closed over a large area on the

 

 

coil surface, head pressures will increase, causing

 

 

the compressor to overload. Straighten the fins or

 

 

replace the coil.

 

 

 

Compressor cycles on

Capacitor

Test capacitor.

 

 

overload.

Wiring

Check the terminals. If loose, repair or replace.

 

 

 

 

Refrigerating system

Check the system for a restriction.

 

 

 

Insufficient cooling or heat-

Air filter

If restricted, clean of replace.

ing

 

 

Exhaust damper door

Close if open.

 

 

 

 

Unit undersized

Determine if the unit is properly sized for the area to

 

 

be cooled.

Excessive noise

Turbo or fan

Check the set screw or clamp. If loose or missing,

 

 

correct. If the turbo or fan is hitting air guide,

 

 

rearrange the air handling parts.

 

Copper tubing

Remove the cabinet carefully and rearrange tubing

 

 

not to contact cabinet, compressor, shroud, and barri-

 

 

er.

 

 

 

40Room Air Conditioner

Image 40
Contents LG Room Air Conditioner Table of Contents Safety Precautions Be sure not to do Be sure to follow the instructionSharp edges Symbols Used in this Manual DimensionsOutside Dimensions Models Product SpecificationsItems Installation Installation CheckHow to Secure the Drain Pipe Select the Best LocationHow to Install When Using Installation KitsInstallation Kits Contents Window RequirementsSCREWDRIVER+, -, RULER, KNIFE, HAMMER, PENCIL, Level Suggested tool RequirementsPreparation of Chassis Cabinet Installation Window installation of room air conditioner is now completed Operation Display Remote ControlFunction of Controls High LOW MEDRemocon Signal Receiver Auto Swing DisplayLWP1820PDL/PEL Display Remote Control Signal Receiver Auto SwingDisassembly Mechanical PartsFront Grille CabinetAir Guide and Turbo Fan FANElectrical Parts ShroudOverload Protector CompressorPower Cord CapacitorMotor Refrigerating CycleEvaporator Capillary Tube Pulling Vacuum Diagram DeviceSegment Model LWP1820PDL/LWP1820PEL LW1800ER/LWP1830WALModel LWC182PLMM0/LWC212PLMM0 LWC182PLMD1Components Location LW1500PR/LWP1830WALLWP1820PDL/LWP1820PEL HBLG1803R LWC183PLMD1Schematic Diagram Troubleshooting Guide Piping SystemUnit runs but poor cooling Troubleshooting GuideIneffective Cooling Fails to Start Electrical Parts Troubleshooting Guide Possible Trouble Unit does not operatePossible Trouble Possible Trouble FAN does not operate Possible Trouble Function of Energy Saver does not operatePossible Trouble It displays abnormally on DC PCB Ass’y ElectrIc Parts Check the wiring Diagram Replace AC PCB Assy Possible Trouble Remote controller does not operate Replace IC03G Troubleshooting Guide Complaint Cause RemedyTroubleshooting Guide Exploded View Cooling ModelHeating Model Description Remark LW1800PRZ3Replacement Parts List Description Remark LWP1820PDLLW1804ER LW1800PR LW1800ER Discharge TubeLWP1820PEL LWC183PLMDI Description Remark HBLG183R No A20140E

LWC183PLMD1, LW1800ERZ3, LWP1820PEL, LW1800PR, LWC182PLMM0 specifications

LG Electronics offers a wide range of air conditioning units designed to enhance indoor comfort with innovative features and technologies. Among these, the models LW1500PRY3, LWC212PLMM0, LW1800PRZ3, LW1804ER, and LW1500PR stand out for their effectiveness and reliability.

The LG LW1500PRY3 is a window air conditioner with a cooling capacity of 14,000 BTUs, ideal for large rooms up to 700 square feet. This model features a user-friendly LED display and a remote control for convenient temperature adjustments. One of its key characteristics is the "Energy Saver" mode, which conserves energy when the unit is not in use, contributing to lower utility bills. The LW1500PRY3 also includes a 3-speed fan and a dehumidification function, removing up to 3.5 pints of moisture from the air per hour.

Next, the LWC212PLMM0 serves as an all-in-one heat pump, perfect for year-round comfort. It delivers 21,000 BTUs of cooling power and is designed for energy efficiency, receiving an Energy Efficiency Rating (EER) that meets or exceeds industry standards. This model incorporates advanced inverter technology, which allows for quieter operation and precise temperature control. Its sleek, modern design fits well in any room, making it both a functional and aesthetic addition to a home.

The LW1800PRZ3 is another window unit that offers 18,000 BTUs of cooling, capable of managing spaces up to 1,000 square feet. This model also features Wi-Fi connectivity, allowing users to control their air conditioner via a smartphone app, enhancing convenience and energy management. The energy-saver mode and multiple cooling and fan speeds offer customizable comfort in a variety of conditions.

The LW1804ER, with its compact design, delivers effective cooling for medium-sized rooms, boasting an 18,000 BTU capacity as well. This unit is equipped with a convenient LED display, making it easy to monitor and adjust settings. Its quiet operation makes it suitable for bedrooms and living areas, allowing for a peaceful environment while providing effective cooling relief on hot days.

Finally, the LW1500PR is a reliable and efficient air conditioning option with a cooling capacity of 15,000 BTUs, suitable for rooms up to 700 square feet. With a focus on energy efficiency and user-friendly design, it includes adjustable air direction and a programmable timer, making it easy to set routines and maintain comfort.

Together, these LG Electronics models represent a commitment to advanced air conditioning technology, ensuring reliable performance, energy efficiency, and enhanced user comfort across various spaces. Each model features high-quality components and thoughtful design, meeting the diverse needs of consumers in today's marketplace.