CRITICALError Code
9-FLASH: Rollout Switch Tripped (Furnace)
Rollout switch detected flames escaping burner compartment, furnace shut down.
What This Error Code Means
Flame rollout condition detected - safety hazard.
Common Causes
Blocked heat exchanger
Insufficient draft
Gas pressure too high
Cracked heat exchanger
Blocked vent pipe
Affected Brands
LennoxCarrierTraneGoodmanRheemYorkBryant
How ROMA Heating Fixes This Error Code
Inspect for flame rollout evidence
Check heat exchanger for cracks
Verify proper venting
Measure gas pressure
Replace heat exchanger if needed
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Licensed Technicians
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