Speed Queen · Dryer Moderate

E op — Speed Queen E op — Open Thermistor Error

E op means the thermistor (temperature sensor) circuit is sensed as physically open.

Keep using it?
Yes, with caution
DIY difficulty
Moderate
Verified against
docs.alliancelaundry.com ↗

How to fix it

  1. Unplug the dryer and locate the thermistor in the exhaust/blower housing.
  2. Check the connector and wiring; reseat if loose.
  3. Replace the thermistor if it tests open.

Why it happens

Typical signs: No heat or temperature-control issues · Dryer stops · E op on the display

  • Open thermistor The temperature sensor has failed open.
  • Thermistor harness fault A broken or disconnected wire/connector to the thermistor.

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 Speed Queen dryer codes

E ro E ro — Locked Rotor Error

All Speed Queen codes → All dryer codes →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: docs.alliancelaundry.com.