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- Configuration error: gas furnace codes by brand
Configuration error: gas furnace codes by brand
A setting, dip switch or installation parameter is wrong for the connected equipment.
| Brand | Code | Meaning | What you can do |
|---|---|---|---|
| Carrier | 25 | Model plug missing or wrong, or a setup switch error | Call a pro |
| Carrier | 25.1 | Control has no program loaded | Call a pro |
| Carrier | 25.2 | Control program file is corrupted | Call a pro |
| Carrier | 25.3 | Twinned furnaces are not identical | Call a pro |
| Carrier | 25.4 | Main program invalid, running on the backup program | Call a pro |
| Carrier | 25.5 | Installer settings are corrupted | Call a pro |
| Carrier | 25.6 | Wrong program loaded for this control | Call a pro |
| Carrier | 25.7 | Non-condensing program in a condensing furnace | Call a pro |
| Carrier | 27.1 | Program in super plug is missing or corrupted | Call a pro |
| Carrier | 27.2 | Program in super plug is missing or corrupted | Call a pro |
| Carrier | 27.3 | Program in super plug is missing or corrupted | Call a pro |
| Goodman | b2 | Blower motor size does not match the shared data | Call a pro |
| Carrier | btL | Firmware failed to load | Call a pro |
| Goodman | d0 | No shared data loaded on the control board | Call a pro |
| Goodman | d4 | Invalid memory card data | Call a pro |
| Goodman | Eb2 | Blower motor size does not match the shared data | Call a pro |
| Goodman | Ed0 | No shared data loaded on the control board | Call a pro |
| Goodman | Ed1 | Invalid shared data | Call a pro |
| Goodman | Ed8 | Invalid call, outdoor unit setting does not match | Call a pro |
| Goodman | EEH | Twinning error | Call a pro |
| Goodman | 3 amber flashes | Second-stage heat call without first stage | Safe checks first, then a pro |
| Goodman | 4 amber flashes | Cooling call without a fan signal | Safe checks first, then a pro |
| Goodman | 9 red flashes | Configuration error or electrical fault (depends on model) | Call a pro |
| Goodman | red light flashing rapidly | Electrical fault or configuration error (depends on model) | Call a pro |