LG tE2 — Cold-weather thermistor reading on an LG dryer — often self-clears.

What tE2 means (lg te2 error)

An lg te2 error on an LG dryer is a thermistor reading often linked to cold weather — cold air backing in through the exhaust can make the sensor read abnormally low. It frequently self-clears once the dryer warms up, so it is not always a hardware fault, though a stuck vent flap can make it worse.

Symptoms to look for

The signs below help confirm you are dealing with this condition rather than a different fault on your LG Dryer. You may see one of them or several together, and they can build up gradually or appear suddenly after a power event, a long door opening, or recent service.

• The display shows “tE2”, often in cold conditions
• The dryer is slow to warm at the start of a cycle
• The code may clear on its own as the dryer heats
• It tends to appear on a cold day or in an unheated room

Common causes

Several different faults can produce these symptoms. Working through the most likely causes in order helps separate a quick, owner-level check from a problem that needs trained service and the correct LG parts.

• Cold-air backflow — cold outside air enters through the exhaust
• Stuck-open vent flap — the exterior flap lets cold air in
• Cold installation location — an unheated garage or basement
• Thermistor fault — less common, the sensor reads low

Troubleshooting steps you can try

Work through these checks in order before calling for service. Stop wherever you are unsure, or where high-voltage parts, gas, the sealed refrigeration system, or a heat-pump compressor are involved, and hand the rest to a qualified technician.

1. Let the dryer warm up and see whether tE2 clears on its own.
2. Check the exterior vent flap closes when the dryer is off to block cold backflow.
3. Where possible, run the dryer when the room is not freezing.
4. If tE2 persists in normal conditions, leave it for service to test the thermistor.

Parts a technician may replace

Depending on what the diagnosis shows, a technician may inspect, test, or replace the inlet thermistor, exhaust duct/vent flap, heater assembly, and control board. The correct part for your LG Dryer is matched from the model and serial number, and genuine LG components are fitted rather than generic substitutes so that performance, safety, and the appliance’s long working life are all protected. Confirming the failed part before ordering avoids replacing more than the fault actually requires.

When to call a technician

tE2 that persists in warm conditions needs a technician to test the inlet thermistor and check the exhaust for cold-air backflow. When the fix calls for trained service, book a visit through our scheduling page and an experienced, qualified technician will diagnose and repair it. For manufacturer documentation and model lookup, see the manufacturer at lg.com/us.

Prevention and care

Regular care keeps this condition from returning on your LG Dryer. Keep filters, vents, and the condenser or exhaust path clean, avoid overloading or blocking airflow, check that doors and seals close cleanly, and follow the LG maintenance guidance for your model. Because this unit relies on electronic control, protect it with a stable, correctly rated power supply and have any built-in or laundry installation done to LG specification so the control never sees an out-of-range condition. If a code appears, note exactly what was shown before you reset the appliance — that record helps the technician reach an accurate diagnosis and avoid replacing parts unnecessarily.

Related help and LG resources

Browse other LG Dryer diagnostics, read about professional LG Dryer repair, look up your unit in the LG models reference, or the related tE1 inlet thermistor, or schedule a service visit. For LG manufacturer documentation and model lookup, visit the manufacturer at lg.com/us.