Goodman Furnace: Check flame rollout switch
Check flame rollout switch on a Goodman furnace: Manual reset rollout switch on the burner bracket. It opens on flame rollout, flame impingement on the heat shield or over-firing. The blower runs continuously when it opens.
Applies to: 90% upflow and counterflow furnaces
Common causes of check flame rollout switch
- Flame impingement on heat shield
- Orifice plate out of position
- Burners with excessive cross-over slot dimension
- Over-firing
- Improper orifices or gas pressure
- Air leaking around or through the heat exchanger into the burner compartment
How to fix check flame rollout switch: step by step
- Shut off power and remove the burner compartment door.
- Press the manual reset on the rollout switch.
- Remove the wires from the switch.
- Check continuity across the switch with an ohmmeter.
- If it will not close after reset, replace it.
- Find and correct the cause of the trip before returning to service.
- Reinstall the burner door and verify operation.
If the unit shows an error code, look it up: Goodman Furnace codes
Source: Goodman GMVC96 service manual, p. 49. 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.