EF
Speed Queen · DR7004WE 7.0 cu ft Electric Dryer with Advanced Moisture Sensing and Stainless Steel Drum
The thermistor sensor is open or disconnected, causing temperature regulation failure. Dryer may overheat or not heat at all.
Error EF on the Speed Queen DR7004WE 7.0 cu ft Electric Dryer with Advanced Moisture Sensing and Stainless Steel Drum means: Thermistor Open Circuit. The top-ranked community fix is “Replace Thermistor Sensor” (medium difficulty, ~30 min, DIY cost: $20-$35). 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.
While many dryer repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $90-$140.
The Speed Queen DR7004WE 7.0 cu ft Electric Dryer with Advanced Moisture Sensing and Stainless Steel Drum has 8 other known error codes:
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