LG Refrigerator Error Er 1F — What It Means & How to Fix It

What Does This Error Mean?

Er 1F means the ice maker fan — also called the ice room fan — has stopped working or is running too slowly. This fan circulates cold air through the ice maker compartment to keep ice production running efficiently. Without it, the ice maker cannot maintain the cold temperatures it needs to make ice properly. You will notice ice production slowing down or stopping entirely before this code appears. This is a moderate repair — the fan motor or its wiring is the typical cause.

Affected Models

LRMVS3006S
LFXS26973S
LRFXS2503S
LRMDC2306S
LSXS26366S
LG French door refrigerators with in-door or in-freezer ice makers

Common Causes

The ice maker fan motor has failed due to age or bearing wear
Ice has accumulated around the fan blades, physically blocking them from spinning
The fan blade has cracked or broken and can no longer rotate properly
A wiring connector to the fan motor has come loose or corroded
The refrigerator's main control board has a fault that has stopped sending power to the fan

How to Fix It

Turn off the ice maker using the switch or button inside the freezer or door. Unplug the refrigerator and leave the freezer door open for 2 to 4 hours to allow any ice around the fan to thaw.

Ice blockage around the fan is a common cause of Er 1F. The ice maker area sometimes develops ice buildup that freezes the fan blade in place. A manual thaw clears this without any parts.
After thawing, dry any remaining water with a towel. Plug the refrigerator back in and turn the ice maker back on. Wait 30 minutes and check whether Er 1F has cleared.

If the error clears after manual defrost and does not return for several weeks, the fan was blocked by ice. Check the door gasket seal — a poor seal allows warm air in and causes frost buildup around the ice maker.
If Er 1F returns within a few days, the fan motor itself has likely failed. Do not continue using the ice maker — running it without a working fan can damage the ice maker mechanism.

When the fan is not working, ice production quality deteriorates — you may get clumped, hollow, or oddly shaped ice before the fan fails completely.
Check your LG refrigerator's warranty status. Go to lg.com/us/support and enter the model and serial number from the sticker inside the door. Ice maker fan repairs are covered under the 1-year warranty.

Some LG refrigerators sold at specific retailers come with extended service plans. Check your original purchase documentation for any extended warranty coverage.
If out of warranty, schedule service with an LG-authorized technician. Provide the Er 1F code and model number. The technician will test the fan motor and replace it if it has failed.

Ice maker fan motors for LG refrigerators typically cost $30 to $80 in parts. The total repair with labor is usually completed in a single service visit.

When to Call a Professional

Er 1F is a moderate repair that LG service technicians handle routinely. Ice maker fan motor replacement typically costs $100 to $250 including parts and labor. If ice buildup is the cause, a manual defrost of the ice maker section may resolve it. Contact LG support at 1-800-243-0000 to check your warranty status. Schedule a service visit — this is not an emergency but should be repaired within a few weeks.

Frequently Asked Questions

Can I still use the refrigerator while Er 1F is showing?

Yes — Er 1F only affects the ice maker compartment. Your refrigerator and freezer will continue to cool normally. Turn off the ice maker to prevent it from trying to produce ice without proper cooling. This avoids wasting water and prevents potential ice maker mechanism damage. Get the fan repaired when convenient — the rest of the refrigerator will work fine in the meantime.

How do I know if the fan is blocked by ice or actually broken?

Start with a manual defrost — unplug the refrigerator and open the freezer for 2 to 4 hours. If the error clears after defrost and stays away for several weeks, ice blockage was the cause. If the error returns within days of the defrost, the fan motor itself has failed. You can also listen: a working ice maker fan makes a quiet hum. No sound at all usually means the fan has stopped.

What causes ice to build up around the ice maker fan?

Ice buildup in the ice maker area usually comes from warm, humid air getting into the freezer. The most common causes are: a worn or misaligned door gasket that allows warm air to sneak in, leaving the door open too long, or frequent door opening in a humid environment. Check the door gasket seal by closing the door on a piece of paper — you should feel resistance when pulling the paper out. If the paper slides easily, the gasket needs replacement.