Goodman GMEC96 and Amana AMEC96 furnace fault codes
Every diagnostic code published for the GMEC96 series — 24 of them — taken from the manufacturer's own per-model fault code database rather than from a general table.
Codes differ between models from the same manufacturer, which is why this list is worth reading in preference to a brand-wide one. No code below contradicts another Goodman model that publishes its own list. Its 24 codes put it 4th of 10 Goodman lists by length, between the GCVM97 at 43 and the GMP at 8. The same board is sold as Amana AMEC96, with the same code list.
GMEC96 fault codes
Codes that are not faults
These 6 indications mean the furnace is doing something normal — running a stage, moving air for cooling, or sitting idle. They are listed separately so they do not get counted as problems.
| What the LED shows | What it means |
|---|---|
| 1 amber flash | Normal operation — first stage heat |
| 1 green flash | Normal operation — low stage cooling |
| 2 amber flashes | Normal operation — second stage heat |
| 2 green flashes | Normal operation — high stage or single stage cooling |
| rapid green flashing | Normal operation — fan only, no heating or cooling |
| solid green | Standby — powered, no call |
Other models with their own code list
- Goodman GMH / GCH / GCSS9 / GDH / GME and Amana ACSS9 / AMH — 11 codes
- Goodman GCVC96 / GCVC8 / GCVC95 / GMVC95 and Amana ACVC95 / ACVC96 / AMVC95 / AMVC96 — 31 codes
- Goodman GCVM97 / GCVM96 / GMVM96 / GMVM97 and Amana ACVM96 / ACVM97 / AMVM96 / AMVM97 — 43 codes
- Goodman GMSS9 and Amana AMSS9 — 11 codes
- Goodman GMV8 and Amana AMV8 / AMV9 — 12 codes
- Goodman GMS / GDS / GHS / GKS — 10 codes
- Goodman GMP / GMN / GMNT / GMPE / GMPH / GMPN / GMPV / GMT — 8 codes
- Goodman GMV9 — 11 codes
- Goodman GMVC96 / GMVC8 — 32 codes
Reading this table against York's
If this table looks familiar from a York, Luxaire, or Coleman furnace, that is not coincidence: the York red-flash table and this one match nearly code for code — compare York's nine red flashes with this board's grounding code, or York's eleven with the blower-failure limit code here. York's service literature reproduces the White-Rodgers Emerson code table that this control lineage descends from; the history is covered at York's two code generations. The practical use: descriptions and diagnostic logic translate between the two tables, though you should always confirm against your own model's documentation rather than assume — codes are not standard, even when tables rhyme.
What the fix costs
The faults this board reports most map onto well-established price bands from the site's cost guides: pressure switch work (the three-red and six-red family) at $150–400, hot surface ignitor replacement behind the seven-red lockout at $150–350 installed per the ignitor cost guide, flame sensor cleaning behind the rapid-amber warning at $80–200, and control board replacement for solid red at $400–900 per the board cost guide. The repair cost guide holds the full table. Knowing the code before calling means knowing which of these bands you are in — which is most of the leverage a homeowner gets.
DIY or call a pro on this board?
The GMEC96's three-colour LED does the triage for you. Amber and green patterns are status: reading them, adjusting the thermostat, and changing the filter are homeowner work. Red patterns are faults, and almost all of them land on the professional side — this board's red codes involve gas valves, flame sensing, venting proof, and line-voltage blower circuits, each on this site's licensed-work list. The homeowner exceptions worth knowing: checking outdoor vent terminations on the pressure switch codes, one deliberate reset on the retry lockout, and accurate reporting of the pattern and colour in every case. The code you quote on the phone is the cheapest diagnostic instrument this furnace has.
What this looks like
From the outside, this usually shows up as the vents blowing cold air on a heat call — that walkthrough covers what to check in order, and when it stops being a homeowner job.