Lg Refrigerator Ice Maker Not Working: Causes and Fixes

Quick Answer

LG ice maker not working: LG ice makers use a twist-tray system on some models that is different from Samsung and Whirlpool's ejector arm. The twist tray rotates to release ice cubes, and the motor that drives it can fail. LG Craft Ice makers (sphere ice) have additional components: a specialized tray, heating system, and motor. Craft Ice production is slower than standard cubes (about 3 per hour).

When an LG stops making ice, I check freezer temp first. These units won't even attempt a harvest cycle if the temp climbs above 10°F, and a lot of homeowners don't realize their display shows the set point, not the actual internal temp. Beyond that, the wire harness at the door hinge is a sneaky killer on French door models. Ignore this stuff long enough and you're looking at a full assembly replacement instead of a $15 fix.

LgRefrigeratorSeverity: moderateDifficulty: intermediate75% DIY Success

Time to Fix

15–90 min

Difficulty

intermediate

Parts Cost

—

Tools Needed

Phillips #2 screwdriver, Flathead screwdriver

What Does the ICE-MAKER Code Mean?

LG refrigerators use a twist-tray harvest system instead of the heater-and-rake design you see on most other brands. It's quieter, but it's also more sensitive to overfill. Before you order anything, run the manual test cycle. I've shown up to plenty of jobs where the ice maker wasn't broken at all, just stuck on a slightly oversized cube or tripped off by a power surge. Two minutes with the test button tells you a lot.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Freezer too warm - not reaching 0F25%

Water inlet valve solenoid failed25%

Ice maker arm stuck in off position20%

Ice maker fan motor failed20%

Ice maker module assembly failed10%

Symptoms You May Notice

No ice at all, not even partial cubes, even after the fridge has been running normally for 24+ hours.
Ice maker runs through a cycle and you can hear it moving, but the bin stays completely empty.
Small, hollow, or misshaped cubes that look like they were partially made and dropped too early.
Craft Ice sphere maker stopped producing the round balls but regular door ice still works fine.
The ice tray is visibly frozen stuck in a halfway-twisted position, mid-cycle.

Can you reset a Lg refrigerator to clear the ICE-MAKER code?

Flip the power switch on the side or bottom of the ice maker module to OFF. Wait a full 30 seconds. Turn it back on, then press and hold the test button for 3 seconds. You should hear or feel the tray start to rotate. Let it complete the full cycle without touching it. The first cycle after reset won't produce ice, it's just priming the system. Give it 90 minutes before you expect actual cubes in the bin.

Tools Required for Diagnosis

Phillips #2 screwdriverFlathead screwdriverDigital multimeterFlashlight or headlampHair dryer (for frozen fill tube)Bucket and old towels

Diagnostic Checklist

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

ComponentComponent Under Test

Expected Range200–500 ohms

ConditionIf Open (OL) or infinite, replace component.

Frequently Asked Questions

How much does LG refrigerator ice maker repair cost?

If it's a frozen fill tube or a clogged filter, you might spend $0 to $50. Replacing the water inlet valve is usually $30-60 for the part and about an hour of your time. A full ice maker assembly swap runs $80-150 for the part depending on your model. If you're paying a tech, figure $150-300 total for most LG ice maker jobs. Craft Ice sphere modules are pricier, closer to $200-350 for the part alone, which is why I tell people to think twice about that repair.

Repair or replace the whole fridge?

If your LG is under 8 years old, fix it. These are well-built refrigerators and ice makers are wear items, kind of like brake pads on a car. Now, if you've got a Craft Ice model and that sphere module has already failed twice, I'd seriously consider just disabling the sphere maker and living with regular cubes. Those specific modules fail at a higher rate and the parts aren't cheap. But the fridge itself? Worth keeping for sure.

Can I fix this myself?

Honestly, yes, most of the time. Clearing a frozen fill tube takes a hair dryer and five minutes. Changing the water filter is easier than changing a lightbulb. Even swapping the full ice maker assembly is usually just two or three screws and one wire connector, maybe 30 minutes if you've watched one YouTube video beforehand. The only thing I'd call a tech for is if it turns out to be the main control board or a sealed system problem.

Why is my LG Craft Ice maker so slow?

That's just how Craft Ice works. LG's sphere ice system produces about 3 balls every 24 hours under ideal conditions. Yes, really. It's not broken if it's slow, that's just the nature of freezing a sphere shape. If you want more of them, make sure your freezer is right at 0°F, not warmer, and that the Craft Ice function is actually enabled in the settings. Some models ship with it off by default, which trips people up all the time.

How do I know if it's the water inlet valve or the ice maker assembly?

Run the test cycle first. If the tray rotates and dumps, the motor and mechanism are working fine. So the problem is water not getting in, which points to the inlet valve, the filter, or supply pressure. Set your multimeter to ohms and test across the valve's solenoid terminals. You're looking for roughly 200-500 ohms. Way outside that range and the valve is bad. If the tray won't rotate at all during the test cycle, the problem is the assembly itself, not the water supply.

Same Fix Works on These Brands

Lg shares the same hardware platform with these brands. The diagnosis and repair steps are identical.

Lg washerLG Washer Error Codes: HUB, LE, OE, and SUD Fixes Lg washerLG Washer OE Code: Water Won't Drain (Troubleshooting Guide)Lg washerHow to Reset an LG Washer (Every Method, Every Model)Lg washerWhat Does UL Mean on a Washer? LG Unbalanced Load Fix Lg washerLG Washer CL Code: How to Unlock Child Lock Lg washerLG Washer Stuck on a Cycle? Causes for Every Stage

Models Known to Experience ICE-MAKER Errors

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

LRMVS3006S, LRFXS2503S, LRFXC2406S, LMXS30776S, LFXS30796D, LMXC23796S, LRFOS2906S, LRFVS3006S

Written by

Mike Sullivan

Lead Appliance Repair Technician · 20 years experience

Last verified for technical accuracy on March 15, 2026