Ruud HVAC Error Codes
Model Families
| Family | Name | Fuel | Models |
|---|---|---|---|
| Achiever | — | — | 1 |
| Achiever Plus | — | — | 1 |
| Commercial | — | — | 1 |
| Endeavor | — | — | 1 |
| Performance Platinum | — | — | 1 |
| Performance Plus | — | — | 1 |
| ProTerra | — | — | 1 |
| Professional | — | — | 1 |
| Professional Ultra | — | — | 1 |
| U80V | — | — | 1 |
| U96V | — | — | 1 |
| U97V | — | — | 1 |
Error Codes
| Code | Description | Severity |
|---|---|---|
| 11 | No Ignition | Critical |
| 12 | Flame Failure | Critical |
| 13 | Improper Combustion | Critical |
| 14 | Overheat / Thermal Fuse | Critical |
| 15 | Inlet Temp Sensor Fault | Warning |
| 16 | Outlet Temp Sensor Fault | Warning |
| 21 | Air Supply / Operational Switch | Warning |
| 24 | Flow Sensor Malfunction | Warning |
| 29 | Condensate Neutralizer Issue | Warning |
| 31 | Inlet Water Filter | Warning |
| 33 | Fan Motor Fault | Warning |
| 51 | Gas Valve Fault | Critical |
| 61 | Blower Motor Failure | Warning |
| 76 | Communication Fault | Warning |
| 99 | Vent Blockage | Critical |