Amana Furnace error codes
9 Amana furnace codes and problems, each with ranked causes, safe homeowner checks and honest repair costs. Count the flashes or read the code on your control board, then find it below. Legends vary by board revision, so confirm against the label inside your unit's door. Goodman uses the same control boards — see Goodman furnace codes.
| Code | What it means | Severity |
|---|---|---|
| 1 flashes | Amana furnace 1 flash means ignition failure lockout after 3 failed trials or 5 flame losses. Causes, fixes, and $0-$600 repair costs explained. | Call a pro |
| 2 flashes | Amana furnace 2 flashes means the pressure switch is stuck closed. Causes, safe checks, technician diagnosis and repair costs from $0 to $350. | Call a pro |
| 3 flashes | Amana furnace 3 flashes means the pressure switch stayed open. Causes: blocked flue, inducer, condensate. Fixes cost $0 DIY to $1,200. | Call a pro |
| 4 flashes | Amana furnace 4 flashes means an open high-limit from overheating. Causes, safe checks, safety stop-rules, and repair costs from $0 DIY to $1,800. | Call a pro |
| 5 flashes | Amana furnace 5 flashes means flame detected with no heat call. Causes: leaking gas valve or flame sensor fault. Repairs run $150–$1,200. | Call a pro |
| 7 flashes | Amana furnace 7 flashes means a weak flame signal from a dirty sensor, poor ground, or misaligned burner. Causes, checks & $0–$1,200 repair costs. | Call a pro |
| 8 flashes | Amana furnace 8 flashes means an igniter relay or circuit fault. Causes, safe checks, and repair costs from $0 DIY to $700 if the control board is replaced. | Call a pro |
| 9 flashes | Amana furnace 9 flashes means the high-stage pressure switch failed to close on high fire. Causes, safe checks, and repair costs of $0–$1,200. | Call a pro |
| Ignition lockout | Amana furnace ignition lockout means failed ignition after retries. Causes, DIY resets and technician fixes, costs $0 DIY to $600 pro. | Call a pro |
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