Warning: Disconnect power before servicing.
ErrBase

LG Refrigerator Problems and Faults

Quick Answer

LG refrigerators are most commonly known for linear compressor failures and ice buildup in the door-mounted ice makers. In my experience, if your unit stops cooling but the lights are on, it is usually a compressor issue or a frosted evaporator fan.

LG fridges have two big weak spots: linear compressors that fail quietly and ice maker fans that jam up with frost. If you ignore the warm fridge or that clicking noise from the back, you'll eventually open it to find everything spoiled and a repair bill in the $500-1200 range. Catch it early and you might fix it yourself for free, or at least know when it's time to call someone.

LgRefrigeratorSeverity: moderate
Time to Fix
30–90 min
Difficulty
beginner
Parts Cost
$0 (no parts needed)
Tools Needed
Phillips #2 screwdriver, Vacuum with brush attachment

LG Refrigerator Problems and Faults

When I walk up to an LG, I immediately check the display for codes like Er FF or Er IF. Those tell me exactly which fan's struggling. If there are no codes but the fridge is warm, I move to the back and listen for the compressor. This systematic check stops you from replacing parts you don't actually need and saves you real money.

Common Causes

  • The linear compressor's internal check valve wears out and the compressor starts clicking every few minutes, trying and failing to build pressure in the sealed refrigerant system.
  • Frost builds up around the evaporator fan because a door was left open or a gasket is leaking warm air in, and eventually the fan blade physically can't turn anymore.
  • Condenser coils at the back bottom get caked with pet hair and dust, making the compressor run 20-30 degrees hotter than it should and causing it to shut down on thermal protection.
  • The drain tube in the defrost system gets plugged with mineral deposits or ice, so meltwater backs up and refreezes on the freezer floor instead of draining into the drip pan.
  • The ice maker auger motor burns out, especially if ice melted and refroze into one big solid chunk that jammed the whole mechanism.
  • Main control board software gets corrupted after a power surge and starts throwing phantom error codes or stops communicating with the fans and sensors entirely.

Symptoms You May Notice

  • The fridge section is warm but the freezer is still making ice, meaning cold air isn't circulating through the return vents into the fresh food side.
  • Rhythmic clicking from the bottom back of the unit every 3-5 minutes, which is the compressor trying to start and failing.
  • Er FF, Er IF, or Er CF shows on the display and won't clear even after you unplug the unit and plug it back in.
  • Water pooling under your vegetable drawers, plus a small frozen puddle on the freezer floor near the back wall.
  • Ice maker stopped producing ice and you can hear the motor trying to cycle but nothing drops.

Can you reset a Lg refrigerator to clear the TROUBLESHOOTING code?

Unplug the fridge from the wall for at least 5 full minutes. Don't just flip the breaker, actually pull the plug. Then plug it back in and give it 24 hours to stabilize before you decide if it's fixed or not. If you've got a stuck display error, try holding the Refrigerator and Ice Plus buttons at the same time for 3-5 seconds. That clears a lot of soft faults without the full unplug cycle.

Tools Required for Diagnosis

Phillips #2 screwdriverVacuum with brush attachmentHair dryer with low heat settingFlashlight or headlampSoft cleaning cloth or old toothbrushDollar bill for seal testWork gloves for condenser coil cleaning

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

Frequently Asked Questions

Why is my LG fridge not cooling but the freezer is fine?
If your freezer's doing its job but the fridge section is warm, you're almost certainly dealing with an evaporator fan that's either iced over or dead. Take everything out of the freezer and pull off the back panel, usually 4-6 Phillips screws. If you see ice built up around the fan blade, that's your answer. Defrost it with a hair dryer for about 20 minutes and you're probably back in business for free. If the fan spins freely once the ice is gone, keep an eye on your door seals because that's what's letting warm air in and causing the frost buildup in the first place.
What does the Er IF code mean?
Er IF is the Ice Maker Fan error. LG's door-mounted ice makers have a small fan inside the door itself, and when frost builds up in that duct, the fan blade hits ice and stalls. Sometimes all you need to do is leave the freezer door open for 30 minutes to let it defrost naturally and the code clears on its own. But if it comes back a week or two later, the fan motor is probably failing and you're looking at about $40-60 for the part. It's a pretty manageable fix if you're comfortable pulling the inner door panel.
Are LG refrigerators reliable now?
The newer ones are honestly a lot better. The class action lawsuits over the original linear compressor put real pressure on LG to redesign it, and models built after 2020 have been holding up well in the field. I've installed a handful of the newer LRFVS3006S units over the past year and they've been solid. But the 2014-2019 models are still kind of ticking time bombs if the compressor hasn't been replaced yet. If you've got one of those and it's still running fine after 8 years, keep those condenser coils clean. LG's 10-year compressor warranty might still cover the part if it does fail.
How do I clear ice from the LG ice maker?
Turn the ice maker off at the control panel first. Then let it defrost naturally for an hour, or use a hair dryer on low to speed things up. Work slowly, keep the heat moving, and don't hold it in one spot too long. And please, never use a screwdriver or knife to chip at the ice. The plastic liner in there is thin, and one slip can puncture a cooling line. That turns a $0 fix into an $800 sealed system repair. Once it's clear, check the seal around the ice maker door because if it's not sealing tight, you'll be doing this again in a few weeks.
Does LG cover compressor replacements?
LG does offer a 10-year warranty on the linear compressor part itself for most models, which sounds amazing until you see the full bill. Labor usually runs $300-600 depending on your area, and then add $100-200 for refrigerant recharge, so a free compressor can still cost you $400-800 out of pocket. Call LG directly and ask for an authorized service provider because using a non-authorized tech can void the remaining warranty. And if your fridge is already 9-10 years old, honestly do the math on a new unit before committing to that repair.

Models Known to Experience TROUBLESHOOTING Errors

This repair applies to most Lg refrigerators with this error code. Common model numbers include:

LFXS26973S, LRFVS3006S, LMXS28626S, LFXS28968S, LRFCS25D3S, LRMVS3006S, LFXS29766S, LSXS26386S

MS

Written by

Mike Sullivan

Lead Appliance Repair Technician · 20 years experience