Goodman GMVM970803BN 80,000 BTU 97% AFUE Modulating Gas Furnace with Variable-Speed ECM Blower MECH-ROLLOUT Error Fix: Flame Rollout Switch Tripped

Error code MECH-ROLLOUT on the Goodman GMVM970803BN 80,000 BTU 97% AFUE Modulating Gas Furnace with Variable-Speed ECM Blower means: Flame Rollout Switch Tripped. The flame rollout safety switch has tripped — indicates flames are escaping the burner compartment, which is a serious safety hazard; causes include cracked heat exchanger, blocked flue/vent, or debris in burner assembly; this is a manual-reset switch (small red button); do NOT simply reset without diagnosing the cause — carbon monoxide risk

The most successful fix is "Inspect Heat Exchanger and Venting; Replace Flame Rollout Switch if Needed" (hard difficulty, ~90 minutes). Estimated DIY cost: $20-$40. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Inspect Heat Exchanger and Venting; Replace Flame Rollout Switch if Needed") is rated hard difficulty and takes about 90 minutes. Tools needed: T20 Torx screwdriver, Flashlight, Multimeter.

DIY cost: $20-$40. Professional repair typically costs $200-$350. Many homeowners save money by trying the top-ranked community fix first.

The Goodman GMVM970803BN 80,000 BTU 97% AFUE Modulating Gas Furnace with Variable-Speed ECM Blower has 8 other known error codes, including: 10-FLASH (Incorrect Blower Speed / DIP Switch Configuration), 11-FLASH (Communication Error — ComfortNet Bus), 12-FLASH (Blower Motor Fault (ECM)), 13-FLASH (Outdoor Ambient Sensor Fault), 1-FLASH (System Lockout — Retry Limit Exceeded), and 3 more.

Error code MECH-ROLLOUT also appears on 2 other Goodman models: GMSS920804CN 80,000 BTU 92% AFUE Single-Stage Gas Furnace, GMVC960804CN 96% AFUE 80,000 BTU Two-Stage Gas Furnace. The fix may vary by model, so check each model's specific page for tailored repair steps.