CRITICALError Code
E201: Ignition Lockout (Furnace)
Furnace has attempted ignition 3 times and failed, triggering a safety lockout with no heat.
What This Error Code Means
The flame detection system failed to confirm burner ignition after three attempts.
Common Causes
Faulty ignitor
Clogged burner
Gas supply interruption
Flame sensor dirty or failed
Blocked condensate drain
Affected Brands
LennoxCarrierTraneGoodmanRheemYorkBryant
How ROMA Heating Fixes This Error Code
Diagnose cause using error code history
Clean or replace ignitor and flame sensor
Check gas pressure and supply
Clear vent or condensate blockages
Reset and verify proper ignition
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