LG Ice Maker FN Error: Ice maker fan motor error
LG ice maker error — here’s what you need to know. The FN error code on your LG ice maker indicates an ice maker compartment fan error. This is a High severity issue. What Does FN Mean on an LG Ice Maker? The FN code signals that the fan responsible for circulating cold air through […]
~35%
DIY Fixable
From 50
Typical Repair Cost
1–3 hours
Pro Repair Time
Quick Assessment
Answer to continue safely
Is it safe to keep using?
No. The ice maker should be turned off — running it without the compartment fan will not produce usable ice and may cause the mold temperature sensor to log additional fault codes from the elevated temperatures
Can I reset the code?
Yes. After defrosting and clearing any blade obstruction, pressing the ice maker test/reset button will clear the FN code and allow the fan to restart. A failed motor will cause the FN fault to return within minutes of startup
When to stop immediately?
Stop if you notice: FN code returns within minutes of being cleared — motor has failed and must be replaced before further use, Fan blade is seized and cannot be turned by hand after full defrost.
Symptoms You May Notice
Ice production slows dramatically or stops
Without the compartment fan circulating cold air, the mold temperature rises and freeze times become excessively long or incomplete, causing production to halt
Ice maker compartment is warmer than the freezer
Opening the ice maker door or accessing the mold reveals that the ice maker area is noticeably warmer than the main freezer compartment due to absent airflow
FN code on the appliance display
The FN fault code appears on the display after the control board detects that the ice maker fan is not operating within its required speed range
Inconsistent temperature performance
The ice maker runs too hot, too cold, or cycles erratically because the control board receives inaccurate temperature readings from the faulty sensor.
Possible Causes
Failed ice maker compartment fan motor
The fan motor's bearings have seized or the motor windings have failed, preventing the blade from spinning when voltage is applied
Requires ProfessionalIce buildup blocking the fan blade
Frost has accumulated around the fan blade in the ice maker compartment — often from a degraded door seal — physically preventing the blade from rotating
DIY PossibleLoose fan wiring connector
The wiring connector at the fan motor has come loose from vibration or ice formation, cutting power to the motor and triggering the FN fault
DIY PossibleSafe Checks You Can Do
-
1
Defrost the ice maker compartment
Turn off the ice maker and leave the ice maker door open for 30–60 minutes to allow any frost surrounding the fan blade to melt. Dry the area with a cloth before restarting the ice maker
-
2
Check the fan blade for obstructions
After the compartment has warmed and frost has melted, locate the fan (typically at the top or rear of the ice maker module) and try to spin the blade gently by hand. It should rotate freely without resistance
-
3
Reseat the fan wiring connector
With the ice maker off, locate and disconnect the fan motor's wiring connector. Inspect for moisture, bent pins, or corrosion, then firmly reconnect it. Restart the ice maker and check whether the FN code clears
When to Call a Professional
Contact a qualified technician if:
- Fan blade spins freely but motor does not run when powered — motor replacement required
- Fan connector and wiring test good but motor still does not operate — control board fan output has failed
- Ice maker door seal is degraded and allowing frost to re-accumulate around the fan — seal replacement needed alongside fan repair
Need Professional Help?
Find qualified technicians in your area for proper diagnostics and repair.
Ice Maker Repair Service Schedule Appointment