How to Fix Ice Maker Not Working on LG LRMVS3006S (French Door)

I’ve worked on more LG French Door ice maker failures than I can count, and the LRMVS3006S comes across my bench regularly — it’s honestly one of the more common calls I get from homeowners who thought their fridge just needed a reset. In probably 60% of the cases I see with this exact model, the culprit isn’t the ice maker assembly itself but rather the dual water inlet valve losing flow to the ice maker side, so that’s the very first thing I check before I ever pull the ice maker out. I’ll walk you through the same diagnostic sequence I use in the field, starting with the quick no-cost checks and moving toward the parts that may need replacing. If you can follow a logical process and handle a screwdriver, there’s a solid chance you’ll have ice again today without paying for a service call.

Dave Holt — Certified Appliance Repair Technician

Experience: 15+ years servicing residential & commercial appliances • Certifications: EPA 608 Certified, NATE-recognized technician • Former lead technician at a multi-state appliance service company • Specialties: Washers, dryers, refrigerators, dishwashers, ovens, microwaves, ice makers

Ice maker not working

This guide walks you through diagnosing and repairing an ice maker that has stopped working on the LG LRMVS3006S French Door refrigerator. We cover the most common failure points—from the ice maker assembly itself to the water inlet valve and temperature sensors—so most homeowners can complete this repair in 1–2 hours with basic tools and a replacement part.

Common Symptoms & Causes

The LG LRMVS3006S ice maker can fail in several recognizable ways before stopping completely.

Ice maker produces no ice at all, even after 24 hours
Ice maker runs through a cycle but dispenses only hollow or misshapen cubes
You can hear the ice maker attempting to harvest but no cubes drop into the bin
The ice maker fills with water but freezes into a solid block instead of individual cubes

The most common root cause on this model is a failed ice maker assembly or a clogged/faulty water inlet valve that restricts water flow into the ice mold.

Safety First

Unplug the refrigerator from the wall outlet before beginning any repair
Wear work gloves to protect against sharp metal edges inside the freezer compartment
Photograph all wiring harness connections before disconnecting them so you can reassemble correctly
Work in a well-lit space or use a headlamp so you can clearly see connectors and mounting screws

Tools & Parts Needed

Essential Tools

Phillips-head screwdriver (#2)
Flat-head screwdriver for prying clips
Quarter-inch nut driver or socket set
Multimeter (for testing the water inlet valve solenoid)
Small bucket or towels to catch residual water

Replacement Parts

Step-by-Step Repair Instructions

🔨 Pro Tip from Dave

On the LRMVS3006S, the freezer compartment thermistor sits behind the rear panel and can develop a micro-crack in the harness connector from repeated freeze-thaw cycling — the fridge throws no error code, temps look fine on the display, but the ice maker never gets the ‘cold enough to harvest’ signal and just sits there doing nothing. Before you order an ice maker assembly, unplug the fridge, pull that rear freezer panel, and wiggle the thermistor connector firmly — I’ve cleared this issue in under ten minutes just by reseating a connection that looked perfectly fine at a glance.

Step 1: Unplug and Access the Freezer Compartment

Unplug the refrigerator and remove all food and shelving from the freezer drawer to gain clear access to the upper back wall where the ice maker sits. Pull the ice bin straight out and set it aside—check inside for any ice bridge or clump that may be blocking the harvest arm. If you find a solid block of ice, this alone can prevent the unit from cycling; melt it with warm water before proceeding.

Step 2: Remove the Ice Maker Assembly

Locate the two to three Phillips screws securing the ice maker bracket to the freezer back wall and remove them. Gently pull the assembly forward, then disconnect the wiring harness connector by pressing the release tab—refer to your photograph taken earlier. If the connector feels corroded or the pins look damaged, the harness itself may need replacement.

Step 3: Test the Ice Maker Assembly

With your multimeter set to continuity, test the ice maker’s heating element and motor terminals according to the wiring diagram printed on the assembly cover. A reading of OL (open circuit) on the heater circuit confirms a failed assembly that needs replacement. If the assembly tests good, move on to checking the water supply.

Step 4: Inspect and Test the Water Inlet Valve

The water inlet valve is located at the lower rear of the refrigerator behind the access panel—remove the two screws to expose it. Use your multimeter to test the solenoid coil that supplies the ice maker; a healthy solenoid reads between 200–500 ohms, while an open or shorted reading indicates valve failure. Also check that the small mesh filter screen inside the valve inlet is not clogged with sediment, as this alone can stop water flow.

Step 5: Check the Freezer Temperature

The LG LRMVS3006S ice maker requires the freezer to maintain 0°F (−18°C) to produce ice reliably. Place a thermometer in the freezer for 30 minutes; a reading above 10°F suggests a cooling issue rather than an ice maker part failure. If temperature is normal, proceed with replacing the faulty component identified in Steps 3 or 4.

Step 6: Install the Replacement Part

Mount the new ice maker assembly or water inlet valve by reversing your disassembly steps, reconnecting the wiring harness until you hear it click firmly into place. Tighten all screws snugly but avoid overtightening plastic brackets. Reinstall the ice bin, restore power, and press the ice maker’s test button (hold for three seconds) to run a manual harvest cycle and confirm the repair.

Step 7: Verify Operation After 24 Hours

Allow the refrigerator to run for a full 24 hours before judging ice production, as the LG LRMVS3006S can take several hours to reach full output after a repair. Expect roughly 8–10 cubes per cycle once fully operational. Discard the first two batches of ice to flush any debris introduced during the repair.

How Much Does This Repair Cost?

Replacing the ice maker assembly yourself typically costs between $45–$90 in parts, while a new water inlet valve runs $20–$50. Compare that to a professional service call on this model, which usually runs $150–$300 including labor, and the DIY route saves most homeowners $100–$200 or more on a straightforward repair like this one.

Where to Buy Replacement Parts

All three parts below are available on Amazon with fast shipping. Search for the exact part name to find options compatible with the LG LRMVS3006S:

When to Call a Professional

Most of the repairs in this guide are within reach for a careful DIYer with basic tools. In my experience, the moment you pull diagnostic error code FF or CF on this model, or you find the evaporator coils buried in a solid block of ice behind that rear panel, you’re now dealing with a sealed system or defrost control board issue that has a real risk of causing compressor damage if misdiagnosed — that’s the point to put the panels back on and call a certified tech. When in doubt, a diagnostic service call typically costs $80–$120 and can save you from a misdiagnosis that costs more in parts.