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
- Turn off and unplug the dryer to reset control electronics.
- Inspect visible wiring harnesses for obvious breaks or loose connectors.
- Ensure dryer is cool, then restart and see if error clears.
Technician Only Technician Diagnostic and Repair for Open Thermistor Circuit
- Disconnect power and access the thermistor/temperature sensor location.
- Check resistance of the thermistor with a multimeter (resistance should vary with temperature).
- Inspect wiring harness and connectors between thermistor and control board for continuity.
- Replace thermistor or wiring harness if found open or faulty.
- If wiring and thermistor are OK, inspect/replace control board connections as needed.
Parts needed: Thermistor / temperature sensor, Wiring harness, Control board connection components
- 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.
Next step
Choose the next step for OP
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Thermistor
Measures precise temperature changes and sends resistance feedback to the control board.
- Typical part-only price
- $15 - $35
- DIY difficulty
- Easy
- Estimated time
- 15-30 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Temperature Sensor
Monitors the internal temperature to ensure correct operation and prevent overheating.
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
Model-compatible Dryer parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Dryer Vent Cleaning Kit
Helps remove routine lint buildup from an accessible dryer vent path. It does not diagnose or repair an E-code or failed component.
Lint Trap Cleaning Brush
A narrow brush for routine cleaning around an accessible lint screen and housing.
Dryer Vent Hose Kit
A replacement exhaust duct option for visibly crushed or damaged external venting. Check diameter, length, local code, and installation clearance.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| note | The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering. |
|---|---|
| part_number | None |
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: 2026-07-31
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