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LG Fridge Problems and Repair

Oleg Chudnovski, CEO

Technically Reviewed by Oleg Chudnovski, CEO on Oct 09, 2023 | Written by Fix Appliances CA Editorial Contributors

In this article…

LG refrigerators are innovative, modern appliances with advanced technology, but problems occur. If they’re too cold or hot, don’t defrost, are noisy, leak or the icemaker or water dispenser doesn’t function properly, here are some troubleshooting solutions.

If you don’t have the time or tools, give the LG Appliance Repair Service experts at FIX Appliances CA a call! We’re locally owned and operated with almost 20 years in the industry, plus we warranty all parts and labour!

LG Fridge Problems and Repair by Fix Appliances CA

Most Common LG Refrigerator Problems

  • Water leaks inside the LG refrigerator
  • Excessive noise or loud operation
  • Insufficient cooling in the LG refrigerator
  • Refrigerant issues with R134a or R600a
  • An FF error code is displayed on the LG control panel
  • Water leakage under the refrigerator
  • Non-functioning LG liner compressor

Are you experiencing LG fridge freezer problems? Is your fridge freezing your lettuce? Melting ice cream or making strange noises? Are you trying to figure out the problem so you can fix it yourself? If it’s a temperature, noise, or water or ice dispenser issue, here are some common refrigerator components that may cause your LG refrigerator problem.


The temperature in the fridge and freezer needs to be just right, or food will spoil. The cooling problem could be due to the temperature settings needing adjustment, the temperature control thermostat, condenser coils, condenser or evaporator fan motor, start relay, start capacitor or thermistor, temperature control board or main control board, or the linear compressor.

LG Fridge Noise Problems

Does your fridge hum, bang or rattle and keep you awake at night? Unusual or loud fridge noise can tell us of potential problems. Rattling, grinding, or squealing noises may be caused by the fan blades, evaporator or condenser fan motor, compressor, or water inlet valve. Bangs, thumps, or whistles often indicate a compressor problem.

Water dispenser

Is your water dispenser dribbling nonstop? Water trickles or doesn’t flow at all? The water dispenser may have a frozen or leaking water tube, faulty water inlet valve, dispenser control board, or low water pressure. Some issues may be linked to the ice maker or ice dispenser too.

LG Freezer Problems

The freezer is part of the refrigerator, so temperature and noise issues are linked. However, if the unit isn’t defrosting, it could be due to the defrost control board or thermostat, sensor or fuse, defrost timer or heater assembly, or the main control board.

A faulty ice maker could be due to the freezer temperature, water inlet valve, filter, water supply pressure, assembly, icemaker module, door or icemaker switches, ice level control board, etc., or icemaker mould thermostat.

Ice Dispenser

The ice dispenser is linked to the water dispenser and icemaker. So, if it has problems, they may be connected. It could be the dispenser control board or switch, auger motor, dispenser actuator, dispenser door motor or solenoid, ice bucket auger, or ice crusher blades.

LG Fridge Problems and Repair

LG Fridge Troubleshooting Suggestions

Once you’ve identified the problem, you need to try and isolate the cause to determine if you can fix it or need to hire a specialist who knows how to fix it. Fixing some issues may be simple, while others require special skills, training, tools, and parts. Always check the manual for part location and maintenance or repair suggestions too.


The most common LG refrigerator repairs are temperature issues. Check the settings and adjust if they are too low or high. Check the condenser coils for dust and debris and clean them with a vacuum.

Ensure the condenser and evaporator fans are free of obstructions and spin freely. The motor needs replacing if it doesn’t spin easily or is noisy. Check the continuity of each motor with a multimeter. If there is no continuity, replace the defective motor.

The start relay is another common problem. Check continuity between the start and run terminal sockets with a multimeter. Replace the start relay if there is no continuity or it has a burnt smell.

The temperature control thermostat controls the condenser and evaporator fan motors and compressor systems. Turn the thermostat from the highest to the lowest setting or vice versa. If it clicks, it’s probably fine. If there’s no click, check with a multimeter for continuity and replace if there is none.

Two other common LG refrigerator troubleshooting issues are the start capacitator which provides start-up power to the compressor, and the thermistor, which monitors temperatures in the fridge and freezer. If the capacitator or thermistor fails, the compressor often won’t start. Check both with a multimeter and replace them if they are defective.

The linear compressor is another common culprit that can be tested with a multimeter. However, if it is leaking or needs replacement, the repair must be carried out by a licensed technician.

The temperature control board is seldom the problem but check with a multimeter if other components test out. If it is defective, replace it. The same applies to the main control board.

LG Fridge Noise Problems

If the fridge is noisy, the most common cause is a fan blade. Check that the evaporator and condenser fans spin freely. Replace the affected motor if they don’t spin easily or squeak or squeal.

The evaporator fan motor is another common LG fridge repair. It should be replaced if it seems noisy and even louder when the fridge door opens. If the noise doesn’t increase when the door opens, check the condenser fan motor and replace it if necessary.

Banging, gurgling, thumping, or whistling noises commonly emanate from a failing compressor. PAY ATTENTION: The ONLY LG-authorized technician must replace the compressor.

The water inlet valve commonly makes a noise when filling the icemaker. It may be due to mineral deposits if it is louder than usual. It should be replaced, not cleaned.

Water Dispenser

If water doesn’t dispense, disconnect the water tube at one end and try blowing through it. If no air goes through, it is plugged with ice. Ensure the freezer is between 0°F and 10°F.

The water inlet valve is another common problem. Test the continuity and replace it if defective. Also, the valve requires a flow of 20psi to operate, so water pressure is important.

A clogged water filter that can interfere with water flow should be replaced every six months.

The door switch prevents the flow of ice or water when the door is open. Check it for continuity and replace it if required.

Dispenser switches to control different functions in the dispenser system. If one component doesn’t work, test with a multimeter, and replace it if there is no continuity. If all components fail, it is like a faulty dispenser control board.

LG Freezer Problems

Defrost and icemaker issues are freezer problems. If defrost isn’t functioning, test the defrost control board, defrost heater, and the defrost thermostat using a multimeter. Another solution is to check the defrost sensor with a fuse and test for continuity.

The defrost thermostat is another issue. It monitors the evaporator coil temperatures and controls the defrost cycle. If everything tests out, check the main control board.

Ice Dispenser

Test each dispenser switch for continuity if the ice dispenser isn’t working. Inspect the dispenser actuator. If damaged, replace it. Ensure the auger motor spins and test with a multimeter. Also, test that the dispenser door motor is receiving power. If not, replace it.

The dispenser solenoid opens and closes the door flap. If it’s defective, replace it. If everything checks out, test and replace the dispenser control board.

Fix Appliances CA — Yours Trusted Authorized LG Appliance Repair Service

Refrigerators are complex electronic appliances. If you don’t have the time, skills, tools, or experience to maintain or repair your LG fridge, call FIX Appliances CA. We’re your authorized LG appliance repair company in Toronto and the GTA.

Our highly skilled factory-trained, certified technicians are the best in Canada and will handle all your LG fridge repairs, troubleshooting and maintenance services. Contact our friendly customer reps and schedule an appointment for today or when it suits your schedule!


Date of page creation: May 01, 2021

Page update date: October 09, 2023

Ask a Question

4 comments on “LG Fridge Problems and Repair

I have an LG French door refrigerator that has stopped cooling. All of the food I. The freezer had to be thrown away. It is not quite 6 years old. Is it worth it to repair?

Hello Lynne Gibbons,
Thank you for your question.

Indeed, in numerous instances, repairing the appliance is a worthwhile option. LG, for instance, offers a 7-year warranty on the sealed system (parts only) and a 10-year warranty for the compressor (parts only). To obtain more comprehensive information, kindly contact LG with the model and serial number, which can be found on the sticker inside your refrigerator.

I have an LSC23924SW/03 LG refrigerator. The ice maker stopped making ice about 5-6 months after i purchased it new and the water dispenser has only trickled from the very beginning. Are either problem covered by warranty?

Hello Richard Troilo,
Thank you for your question. The standard warranty for your purchase covers one year of both parts and labour, beginning from the date specified on your bill of sale. If you have any questions or require support related to your warranty, you can contact LG Electronics Canada’s customer service team at 1-888-542-2623. They will connect you with a representative who can address your queries.

If necessary, the LG representative can arrange for an LG-authorized service provider to come to your residence and provide the support the warranty covers. Our Fix Appliances CA company could provide LG-authorized service if you are within our service area.

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