E3 Moderate Moderate DIY

GE Dryer E3 — Outlet (exhaust) thermistor open

GE Dryer · Error code E3

What E3 Means

The exhaust thermistor circuit is reading open. The dryer can't track outlet air temperature for Sensor Dry, so the cycle ends early or refuses to run.

Most Likely Fix

Outlet thermistor / restricted exhaust

PartDryer vent cleaning kit
Typical cost$15-30
Difficultyeasy
Time1 hour

Tools: vent brush, vacuum

Diagnose first: Most often a clogged lint screen, lint trap housing, or exhaust duct causing high exhaust temps. Clean vent fully before replacing the thermistor.

Find this part on Amazon →

If the primary fix doesn't resolve it:

PartDryer outlet thermistor
Typical cost$15-30
Find this part on Amazon →

Symptoms

  • E3 on display
  • Sensor Dry cycles end almost immediately
  • Clothes come out wet
  • Dryer beeps E3 at start of cycle

Common Causes

1
Failed outlet thermistor

Reads OL/infinite at room temp instead of ~10K ohms.

2
Disconnected thermistor harness

Plug worked loose during transport or prior service.

3
Broken wire in the harness

Wire fatigue near the door switch or blower housing.

4
Bad main control board input

ADC channel for outlet sensor has failed.

How to Fix It

  1. Unplug the dryer.
  2. Remove the lower front panel and locate the outlet thermistor on the blower housing.
  3. Measure resistance — expect roughly 10K ohms at room temp. OL = replace.
  4. Reseat the connector and inspect the harness back to the control board.
  5. Reassemble and test Sensor Dry on a damp load.
  6. If E3 returns with a known-good thermistor and harness, replace the main control board.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

More GE Dryer Codes

All GE codes → All dryer codes →

Verified against manufacturer documentation: dryergeeks.com

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.