Service Guy AI • Dryer • Medium severity • Intermediate skill • ~30 min repair
Quick fix:Clean the lint filter and ensure the vent duct is clear.
What Does LG Error Code E:AF Mean?
LG dryer: Airflow restricted
This is a medium-severity fault. The machine may complete the current cycle but is signalling a problem you should resolve before it escalates.
Possible Causes (5)
LG engineers identify the following root causes for fault code E:AF. Work through them in the order shown — they are listed from most common to least common.
Lint buildup in the vent duct
Blocked lint filter
Obstructed air intake
Faulty blower motor
Damaged venting system
Step-by-Step Troubleshooting (6 steps)
Follow this sequence to diagnose and clear LG error code E:AF. Power down and unplug the machine before any internal inspection.
Disconnect power before servicing.
Check and clean the lint filter.
Inspect the vent duct for blockages and clean it if necessary.
Examine the air intake for any obstructions.
Test the blower motor for proper operation.
Inspect the venting system for any damage or kinks.
Required Parts
Have these LG OEM part numbers ready before starting the repair. AAdvantage Laundry Systems carries verified parts for every code in this database.
Lint filter
Vent duct assembly
Blower wheel
Thermal fuse
Diagnostic Test Mode
Enter LG diagnostic test mode: Hold 'Rinse+Spin + Power' for 3 seconds
Skill Level & Repair Time
This repair is appropriate for an experienced laundromat owner or in-house technician. You should be comfortable removing service panels, reading wiring diagrams, and using a multimeter to test continuity and voltage. Plan for approximately 30 minutes of active repair time once parts are on hand.
Get AI-Powered Diagnosis
If the steps above don't resolve LG E:AF, run a free Service Guy AI diagnosis. Upload a photo of the error display and get an AI-generated repair plan tied to your exact LG model number, including supplier links for required parts and on-call technician escalation.