Amana HVAC systems are also highly-dependable and efficient. Similar to Trane furnaces, Amana furnaces use a blinking red light to signify an issue with the unit.
Homeowners may encounter these common Amana furnace error codes.
| Amana Furnace Error Code | Meaning | Potential Issue |
| Constant red light | No signal from thermostat | No power, issue with connections |
| Constant flashing | Reversed polarity | Issue with wiring or line voltage polarity |
| 1 flash | Flame failure / Lockout due to excessive ignition retries | Gas supply interruption, flame rod not sensing flame, wiring issue, etc. |
| 2 flashes | Draft inducer not operating or pressure switch failure (closed pressure switch circuit) | Draft inducer not working, short in the pressure switch, blockage in vent, condensate drain plugged, etc. |
| 3 flashes | Open pressure switch | Pressure switch needs to be replaced, pressure switch hose improperly connected or blocked, loose wiring, etc. |
| 4 flashes | Pressure error / High limit error | Clogged air filter, drain tubes obstructed by debris or moisture, faulty wiring, etc. |
| 5 flashes | Flame sensed without call for heat | Valve closing too slowly, etc. |
| 7 flashes | Faulty flame sensor | Flame sensor dirty or too far from flame, etc. |