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Goodman gas furnace amber light flashing rapidly: Weak flame signal
Gas furnace, Canada and United States
The flame sense current is too low, and the furnace does not run.
This needs a licensed gas technician. There is nothing safe to check yourself. Leave the covers on and book a professional.
This involves the gas supply or burner. Only a licensed technician should open the unit or work on gas parts.
What causes it
-
The flame rod is dirty or coated. A qualified servicer cleans it; this is not an owner job.
-
A poor flame or wrong gas pressure.
-
A poor flame sense wire or connection.
How to read this code on your unit
Booking a licensed gas technician
Book a licensed gas technicianlicensed gas technician
- Turn the unit off and leave the covers on. Gas components must only be serviced by a licensed technician.
- Note the code, how often it appears, and the model and serial numbers from the rating label.
- Book a licensed gas technician and give them those details.
Models that show this code
30 models in 1 range
| Range | Models |
|---|---|
| GMEC96 / GCEC96 / AMEC96 / ACEC96 | GMEC960302BN, GMEC960303AN, GMEC960402BN, GMEC960403AN, GMEC960603AN, GMEC960603BN, GMEC960803BN, GMEC960804CN, GMEC961004CN, GMEC961005CN, GMEC961205DN, AMEC960302BN, AMEC960303AN, AMEC960402BN, AMEC960403AN, AMEC960603AN, AMEC960603BN, AMEC960803BN, AMEC960804CN, AMEC961004CN, AMEC961005CN, AMEC961205DN, GCEC960403BN, GCEC960603BN, GCEC960803BN, GCEC961005CN, ACEC960403BN, ACEC960603BN, ACEC960803BN, ACEC961005CN |
Where this comes from
Checked against the manufacturer's manual on 13 October 2026.
Other Goodman gas furnace codes
| Code | Meaning | What you can do |
|---|---|---|
| E6 | Weak flame signal | Call a pro |
| EE6 | Weak flame signal | Call a pro |
| 1 amber flash | Low-stage heat call | You can often fix it |
| 2 amber flashes | High-stage or single-stage heat call | You can often fix it |
| 3 amber flashes | Second-stage heat call without first stage | Safe checks first, then a pro |
| 4 amber flashes | Cooling call without a fan signal | Safe checks first, then a pro |
| 1 green flash | Low-stage cooling call | You can often fix it |
| 2 green flashes | High-stage or single-stage cooling call | You can often fix it |
| green light flashing rapidly | Fan-only call | You can often fix it |
| steady green light | Standby, waiting for a call | You can often fix it |
| 7 red flashes | Flame loss or ignition failure (depends on model) | Depends on your model |
| 8 red flashes | Ignition failure or flame loss (depends on model) | Depends on your model |
See all flame loss codes on gas furnaces across brands.