LG Refrigerator Error Code 04

Error code 04 on an LG refrigerator means the ice maker has experienced a function failure in which both the ice ejector and the ice level sensor failed to complete their cycles three or more times in a row. The refrigerator logs this code and stops ice production to prevent mechanical damage. The first step is to press the test button on the ice maker assembly to see if the unit can complete a manual test cycle.

The refrigerator's cooling and food storage functions are not directly affected by error code 04. The error is isolated to the ice maker system, so your fresh food and freezer compartments should continue operating normally. However, you should not expect ice production to resume until the fault is diagnosed and corrected.

Repair costs depend on the failed component. If the fix requires only clearing an ice jam, there is no parts cost involved. Replacing the ice maker assembly or ejector motor typically runs between $80 and $200 for parts alone, while a full service call including labor can range from $150 to $350 or more depending on your location and the specific components that need replacement.

In some cases, yes. If the cause is an ice jam or blockage, you can power off the refrigerator, allow the ice maker to thaw, clear the obstruction, and restart. If the ejector motor or ice level sensor has failed, those components will need to be replaced, which is a moderate-difficulty repair that requires disconnecting the ice maker assembly and installing a new part.

A power reset may temporarily clear the error code, but it will return if the underlying cause is not fixed. Since error 04 requires three or more consecutive failures before it triggers, the ice maker will attempt its cycles again after a reset and re-display the code if the ejector or sensor is still faulty. Resolving the root cause is necessary for a lasting fix.