Status codeEE6Goodman
What it means
Low flame signal: flame sense microamp signal is minimal.
Call a profurnace
How it shows: Shown on the control board 7-segment display: EE6 (furnace still operates)
§1Likely causes
- Flame sensor coated or oxidized
- Flame sensor incorrectly positioned in burner flame
- Lazy burner flame due to improper gas pressure or combustion air
§2Safe DIY steps
- Technicianclean flame sensor if coated or oxidized and inspect alignment
- Techniciancheck inlet air piping for blockage, proper length, elbows and termination
- Techniciancompare gas pressure to rating plate and adjust as needed
Safety firstIf you smell gas, do not touch any electrical switch or use a phone in the building; leave immediately and call your gas supplier from outside. Turn off electrical power at the furnace switch or breaker before opening any panel, and never bypass or jumper a limit, rollout or pressure switch. Gas valve, burner, venting, wiring and control-board work should be done by a licensed HVAC technician.
§3When to call a pro
Call a licensed HVAC technician: to clean or reposition the flame sensor and check gas pressure before this becomes a lockout.
Find a local HVAC pro →§4Other Goodman codes
E11Goodman
Open rollout switch.
E10GoodmanGrounding fault / poor neutral connection.
EE1GoodmanPressure switch circuit is closed at the start of the heating cycle.
EE0GoodmanFurnace lockout after too many ignition retries (3 total): flame failed to establish or was lost after establishment.
EE2GoodmanPressure switch circuit is not closed.
EE3GoodmanPrimary limit circuit is open.