F1Warning
Speed Queen Dryer F1 Error Code
The high limit thermostat has tripped due to overheating, usually from restricted airflow.
Common causes
- Blocked lint screen or vent
- Excessive lint buildup
- Faulty thermostat
How to fix it
- Clean lint filter thoroughly.
- Inspect and clean exhaust vent system.
- Test high limit thermostat for continuity (should be closed when cool).
⚠ When to call a pro: If thermostat is open (no continuity) and vent is clean, the thermostat must be replaced.
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.