Service Guy AI • Dryer • Medium severity • Intermediate skill • ~30 min repair
Quick fix:Check and clear any blockages in the venting system to see if the error resolves.
What Does LG Dryer Error Code tE3 Mean?
LG Dryer dryer: Error Code tE3
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 Dryer engineers identify the following root causes for fault code tE3. Work through them in the order shown — they are listed from most common to least common.
Faulty thermistor
Wiring issue between the thermistor and control board
Control board malfunction
Blocked venting system
Improperly installed or defective door interlock
Step-by-Step Troubleshooting (6 steps)
Follow this sequence to diagnose and clear LG Dryer error code tE3. Power down and unplug the machine before any internal inspection.
Disconnect power before servicing the dryer.
Inspect the thermistor for damage or disconnection.
Check the wiring between the thermistor and the control board for any breaks or shorts.
Examine the control board for any visible signs of damage or burnt components.
Ensure the venting system is clear of obstructions.
Test the door interlock for proper operation.
Required Parts
Have these LG Dryer OEM part numbers ready before starting the repair. AAdvantage Laundry Systems carries verified parts for every code in this database.
Thermistor
Control Board
Diagnostic Test Mode
Enter LG Dryer diagnostic test mode: Press and hold the 'Dry Level' and 'Start/Pause' buttons simultaneously 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 Dryer tE3, 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 Dryer model number, including supplier links for required parts and on-call technician escalation.