LG APPLIANCE REPAIR Factory Authorized Service · Irvine, CA

LG Ice Maker Not Working? Causes & How to Fix It

No ice at all, tiny or hollow cubes, cubes clumped into a block, or the dispenser jams.

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Try these quick checks first (free & safe)

  1. Confirm the ice maker is switched ON and the wire arm or sensor isn't blocked by a stuck cube.
  2. Check the freezer temperature — ice production needs 0–5°F. A warm freezer makes little or no ice.
  3. Look at the water line behind the fridge: kinked line or closed shutoff valve = no ice and slow water dispensing.
  4. Replace the water filter if it's older than 6 months — a clogged filter starves the ice maker first.

What actually causes it — from LG technicians

Failed ice maker assembly

LG ice maker units (including the in-door craft ice makers) fail as an assembly — motor, mold heater, or sensor. We replace them with factory parts.

Water inlet valve failure

The dual solenoid valve at the back weakens with age and mineral buildup — enough pressure for the dispenser but not the icemaker, or vice versa.

Frozen fill tube

The line into the ice maker freezes solid, so no water reaches the mold. We thaw it and fix the root cause — usually low water pressure or a weak valve.

Defrost/cooling problem upstream

If the freezer runs warm, ice production dies before anything else. Sometimes an ice maker complaint is actually a cooling repair.

Control board or sensor fault

The board never cycles the harvest. Diagnosed properly in LG test mode instead of throwing parts at it.

Related LG error codes

CodeMeaning
Er IFIce maker fan error
Er ItIce maker sensor fault

Full LG error code reference →

🔧 When it's time to call a pro

Ice maker faults on LG French-door models (including craft ice) are among our most common calls. We carry replacement assemblies and inlet valves for the popular models — most ice maker repairs are one visit.

LG Ice Maker Not Working — FAQ

Why is my LG ice maker not making ice but the water dispenser works?+

That points at the icemaker side: a frozen fill tube, the icemaker's own inlet solenoid, or the ice maker assembly itself. The dispenser and ice maker use separate valve circuits.

Why is my LG craft ice maker not making round ice?+

The craft ice mold has its own fill and heater cycle — if spheres come out partial or not at all, the assembly usually needs replacement. It's a known repair on these models and one we do regularly.

Should I just replace the whole fridge if the ice maker fails?+

Almost never — an ice maker or valve replacement is a fraction of the cost of a new refrigerator, and our repair is warrantied for 90 days parts and labor (longer on select parts).

Related LG repairs

🧊 LG Refrigerator Not Cooling 💧 LG Refrigerator Leaking Water ⚙️ LG Linear Compressor Failure ❄️ LG Refrigerator Ice & Frost Buildup

LG Ice Maker Not Working — service in your city

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