E207HIGH
Limit Switch Open
The high-temperature limit switch has detected excessive heat in the plenum and shut down the furnace to prevent overheating.
What This Error Code Means
The furnace overheated, causing the safety limit switch to open and shut down the burner.
Common Causes
- Restricted airflow from dirty filter
- Blower motor failure or slow speed
- Undersized ductwork
- Failed limit switch
- Closed supply registers
Affected Brands
LennoxCarrierTraneGoodmanRheemYorkBryant
How ROMA Heating Fixes This
- Check and replace dirty air filter
- Test blower motor operation and capacitor
- Inspect for closed or blocked registers
- Verify limit switch operation and replace if faulty
- Check temperature rise against manufacturer specs
24/7 Emergency Service
Available nights, weekends, and holidays. Fast 1-2 hour response.
Licensed Technicians
TSBC Gas License LGA0202903. Fully insured and WCB covered.
Same-Day Service
We diagnose and fix error code issues quickly.