Speed Queen Dryer Error OP

⚡ Quick Answer: The Speed Queen Dryer OP error indicates that the overheating protection has been triggered due to an open thermistor or temperature sensor circuit. T... ✅ DIY Fixable

What Does Error OP Mean?

The Speed Queen Dryer OP error indicates that the overheating protection has been triggered due to an open thermistor or temperature sensor circuit. This often results in the dryer stopping mid-cycle, displaying 'OP,' and may be accompanied by a hot smell. A faulty temperature sensor prevents the dryer from heating or progressing through its cycle, leading to operational issues.

Common Symptoms:

  • Dryer stops mid‑cycle and displays "OP"
  • Dryer may not heat or progress due to temperature sensor fault

Possible Causes

  • Open thermistor or temperature sensor circuit (high)
  • Wiring harness break or loose connection in thermistor circuit (medium)

How to Fix Error OP

DIY Fix Basic User Troubleshooting for OP Error

  1. Turn off and unplug the dryer to reset control electronics.
  2. Inspect visible wiring harnesses for obvious breaks or loose connectors.
  3. Ensure dryer is cool, then restart and see if error clears.

Technician Only Technician Diagnostic and Repair for Open Thermistor Circuit

  1. Disconnect power and access the thermistor/temperature sensor location.
  2. Check resistance of the thermistor with a multimeter (resistance should vary with temperature).
  3. Inspect wiring harness and connectors between thermistor and control board for continuity.
  4. Replace thermistor or wiring harness if found open or faulty.
  5. If wiring and thermistor are OK, inspect/replace control board connections as needed.

Parts needed: Thermistor / temperature sensor, Wiring harness, Control board connection components

🛑 When to Call a Pro:
  • If the error persists after basic resets and visual check of wiring.
  • If multimeter test shows inconsistent or open thermistor but user is not qualified to replace parts.

Technical Specifications

wattage 5000W
component Thermal Fuse
resistance 0 ohms (continuity)
part_number SQ-THF12345
voltage_rating 240V AC

Common Questions

What does OP error mean on Speed Queen Dryer?

The OP error means the overheating protection has activated due to an issue with the thermistor or temperature sensor.

Can I fix Speed Queen Dryer OP error myself?

Yes, you can turn off and unplug the dryer, check for wiring issues, and restart it to see if the error clears.

How much does it cost to fix OP error?

The estimated repair cost for the OP error ranges from $50 to $250, depending on parts and labor.

When should I call a technician for OP?

Call a technician if the error persists after troubleshooting or if you're unable to test or replace the thermistor.

Data last verified: 2026-03-13

User Comments (0)

Share your experience or solution below.

Be the first to comment!