LG iT

LG Refrigerator Error iT: Ice Maker Defect

Clear meaning, realistic next steps, and safe guidance without turning the page into a long repair manual.

What it means

The ice maker has reported a general internal defect. The refrigerator's diagnostics have identified a fault within the ice maker mechanism that is outside the scope of a simple sensor or fan error.

Severity

Medium - some user checks may help, but repeated faults often need service.

Can you fix it yourself?

Partial — start with DIY steps

Most likely cause

Ice maker motor or gear train failure — the mechanism that rotates the ice tray and ejects cubes has seized

Estimated time for safe first checks: 1–2 hours for thaw and test; Professional if assembly fails.

Step-by-Step DIY Fix Guide

  1. SAFETY: Unplug the refrigerator before touching the ice maker.
  2. Turn off the ice maker using its on/off switch or bail arm (lift the bail arm to the up position to turn off).
  3. Remove all ice from the ice bin.
  4. Inspect the ice maker tray — if ice is stuck in the tray or ejector, unplug the refrigerator and place a warm cloth on the tray to gently thaw the ice.
  5. After thawing, turn the ice maker back on, restore power, and allow 24 hours for a full ice-making cycle.
  6. Confirm the water supply is connected and the water valve is fully open.
  7. If iT returns after thawing and confirming the water supply, call an LG-authorized technician for ice maker replacement.

If the warning comes back after restart

  • If airflow still seems weak after the basic checks, the fan path or a deeper obstruction becomes more likely.
  • If the warning returns immediately after a clean restart, the sensor or wiring path becomes more likely than a one-time glitch.
  • iT persists after thawing the ice maker and confirming the water supply is open

What This Error Means

Error iT on your LG refrigerator means: The ice maker has reported a general internal defect. The refrigerator's diagnostics have identified a fault within the ice maker mechanism that is outside the scope of a simple sensor or fan error. The refrigerator's self-diagnostic system has detected this condition.

The most frequent cause is ice maker motor or gear train failure — the mechanism that rotates the ice tray and ejects cubes has seized. Work through the causes and fix steps below in order — many LG refrigerator errors are resolved without a service call.

Many cases of iT can be resolved by the homeowner. The steps below cover the full DIY checks — if they do not resolve the error, a technician is needed.

Ice maker errors are generally non-urgent — food safety is not at risk. A complete thaw of the ice maker compartment resolves the majority of ice-related faults. If the error returns after thawing, the ice maker assembly needs replacement.

Most Likely Cause by Symptom

The LG refrigerator may stop, pause, or refuse to complete the cycle normally.

Likely cause: Ice maker motor or gear train failure — the mechanism that rotates the ice tray and ejects cubes has seized

Check first: SAFETY: Unplug the refrigerator before touching the ice maker.

The warning may return immediately because the appliance is detecting an internal fault.

Likely cause: Ice maker harvest cycle stuck — frozen water blocking the ejector

Check first: Turn off the ice maker using its on/off switch or bail arm (lift the bail arm to the up position to turn off).

Common Causes

  • Ice maker motor or gear train failure — the mechanism that rotates the ice tray and ejects cubes has seized
  • Ice maker harvest cycle stuck — frozen water blocking the ejector
  • Ice maker control module failure
  • Water supply issue preventing the tray from filling — triggering a fault after repeated failed fill attempts

What Not to Do

  • Do not force the ejector or twist the ice tray manually — this breaks the gear mechanism

Model and Display Variation Notes

Model-family notes

  • LG refrigerator display wording and code formats can vary by series.
  • If your model behaves differently, check the owner manual before trying any deeper maintenance step.

Display and panel differences

  • Panel wording can vary by series, so confirm the exact code pattern before buying parts.

Parts, Tools and Service Options

Common parts

  • Ice maker assembly if mechanism has failed ($60–$150)
  • Water inlet valve ($30–$70) - ice maker solenoid if water supply has failed

Manual and model check

Check your exact model and manual before ordering any LG refrigerator parts.

Service option

LG service visit if the warning returns after the basic checks are complete.

Suggestions in this section are organized to support the troubleshooting flow first. Any future affiliate relationships should be disclosed clearly.

When Not to Keep Troubleshooting

iT persists after thawing the ice maker and confirming the water supply is open

How to Prevent It Recurring

  • Empty the ice bin and check for clumping every 2 weeks — ice that clumps together can jam the ejector and trigger iT

Related Error Codes

Extra notes

  • This page is based on LG support material and stays conservative where model-specific guidance may vary.
  • The goal is to help you identify safe first checks before you move into parts, service, or model-specific manual lookup.

Source and model notes

Last reviewed: 2026-04-08

Based on: Based on LG support material and edited into consumer-safe guidance for the exact code family on this page.

View LG US Official Support

Model coverage note: LG refrigerator code meanings can vary by series, control panel, and model family, so use this page as a safe starting point rather than a replacement for the model-specific manual.

Important: FixThisError is an independent guide, not the manufacturer. Use your model-specific manual when the panel wording or behavior differs.

Always disconnect power before inspecting appliances. If unsure, contact a licensed appliance technician.