Ameristar Gas Furnace: A951X
Re: Fault Codes / Status Codes
The furnace control comes standard with a 7-segment diagnostic display.
| MENU OPTIONS | |
| Code | Description |
| IdL | Idle |
| Err | Active Error Alarms |
| L6F | Last 6 Faults |
| Cr | Code Release Number |
| COd | Cooling Off Delay (Seconds) |
| OdU | Outdoor Unit Type |
| COF | Blower Constant Fan Airflow |
| HOd | Heat Off Delay (Seconds) |
| gHC | Gas Heat CFM |
| rUn | Run Test Mode |
| ERROR CODES | |
| Code | Description |
| E01 | Loss of IRQ or other internal failures (Internal IFC error) |
| E2_1 | Flame Never Sensed (1 Hour Lockout after 6 tries) |
| E2_2 | Flames Sensed and Later Lost (1 Hour Lockout after 10 tries) |
| E2_3 | Gas Valve Not Energized when it should be (after 10 times) |
| E3_1 | Pressure Switch Closed when it should be Open |
| E3_2 | Pressure Switch Open when it should be Closed |
| E04 | Open Limit Circuit |
| E05 | Flame Present with Gas Valve Off |
| E6_1 | Reversed Polarity |
| E6_2 | Bad Grounding |
| E6_3 | igniter Failure |
| E7_1 | Gas Valve Energized when it should be Off |
| E08 | Low Flame Signal |
| E09 | Open Inducer Limit or Condensate Pressure Switch |
| E11 | Gas Valve Not Energized when it should be |
| E12 | Open Fuse |
Fault Code Recovery
To view the Last 6 Faults:
Clearing the Last 6 Faults
To clear the Last 6 Faults:
Restoring Factory Defaults