Goodman Furnace: Burner flame appearance check
Burner flame appearance check on a Goodman furnace: Check the flames with the burner compartment door installed. Flames should be stable, quiet, soft and blue. Dust can cause orange tips, but the flames must not be yellow. Flames should extend straight out of the burners without curling, floating or lifting off, and must not touch the sides of the heat exchanger firing tubes.
Applies to: All 34.5in chassis gas furnaces
Common causes of burner flame appearance check
- Flame lifting or floating from burner ports
- Yellow flame from incomplete combustion
How to fix burner flame appearance check: step by step
- Turn the furnace on at the thermostat and wait a few minutes for dust to clear.
- Check that the flames are stable, quiet, soft and blue.
- Check that the flames extend directly out and do not curl, float or lift off.
- Check that no flame touches the sides of the firing tubes.
- If a flame looks abnormal, contact a qualified service agent at once.
If the unit shows an error code, look it up: Goodman Furnace codes
Source: Goodman GMVC96 service and troubleshooting manual, p. 36 and p. 39. Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.