🌀Dryer

tE4

LG · DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam

LG DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam tE4 Error Fix: Dual Thermistor Error

Both inlet and exhaust thermistors out of range simultaneously. May indicate wiring harness problem or main control board issue. Check shared wiring harness.

High severity2 fixes available✨ Free fix available

Quick Answer

Error tE4 on the LG DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam means: Dual Thermistor Error. The top-ranked community fix is “Replace Thermistors and Inspect Control Board” (hard difficulty, ~60 min, DIY cost: $30-$50). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · dryer

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many dryer repairs can be done safely at home, consider hiring a qualified technician if:

This is a high severity error — continued use may cause damage or a safety hazard
The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $180-$250.

Other LG Models with Error tE4

DLG7301WE 7.3 cu. ft. Smart Gas Dryer with Sensor Dry

dryer · 2 fixes

Other LG DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam Error Codes

Belt Wear/Breakage

Child Lock Active

Exhaust Duct 75% Blocked

2 fixes

d80

Exhaust Duct 80% Blocked

2 fixes

d90

Exhaust Duct 90% Blocked

2 fixes

d95

Exhaust Duct 95% Blocked

2 fixes

DRUM ROLLERS WORN

Drum Roller Bearing Wear

2 fixes

E13

Motor Start Error

2 fixes

People Also Ask About LG DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam Error tE4

What does error code tE4 mean on a LG DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam?

Error code tE4 on the LG DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam means: Dual Thermistor Error. Both inlet and exhaust thermistors out of range simultaneously. May indicate wiring harness problem or main control board issue. Check shared wiring harness.

How do I fix error code tE4 on my LG DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam?

The most successful fix is "Replace Thermistors and Inspect Control Board" (hard difficulty, ~60 minutes). Estimated DIY cost: $30-$50. HomeMD has 2 community-ranked fixes for this error.

Is error code tE4 on a LG DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam serious?

This error is rated high severity. You should address it promptly — continued use could cause damage or safety concerns.

Can I fix LG DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam error tE4 myself?

Yes — the top-ranked community fix ("Replace Thermistors and Inspect Control Board") is rated hard difficulty and takes about 60 minutes. Tools needed: T20 Torx screwdriver, Multimeter, Needle-nose pliers.

How much does it cost to repair LG DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam error tE4?

DIY cost: $30-$50. Professional repair typically costs $180-$250. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the LG DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam have?

The LG DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam has 8 other known error codes, including: BELT WORN (Belt Wear/Breakage), CL (Child Lock Active), d75 (Exhaust Duct 75% Blocked), d80 (Exhaust Duct 80% Blocked), d90 (Exhaust Duct 90% Blocked), and 3 more.

Which other LG models have the tE4 error?

Error code tE4 also appears on 1 other LG model: DLG7301WE 7.3 cu. ft. Smart Gas Dryer with Sensor Dry. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the LG DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam have?

The LG DLEX3900W 7.4 cu. ft. Smart Electric Dryer with TurboSteam has 8 other known error codes:

BELT WORN — Belt Wear/Breakage (2 fixes)
CL — Child Lock Active (2 fixes)
d75 — Exhaust Duct 75% Blocked (2 fixes)
d80 — Exhaust Duct 80% Blocked (2 fixes)
d90 — Exhaust Duct 90% Blocked (2 fixes)
d95 — Exhaust Duct 95% Blocked (2 fixes)
DRUM ROLLERS WORN — Drum Roller Bearing Wear (2 fixes)
E13 — Motor Start Error (2 fixes)

Which other LG models have the tE4 error?

Error code tE4 also appears on 1 other LG model:

DLG7301WE 7.3 cu. ft. Smart Gas Dryer with Sensor Dry (dryer) · 2 fixes

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