All Error Codes
High Medium Low
| Code | Description | Severity | Quick Action |
|---|---|---|---|
| 10 | Flame Failure | Medium | Check gas & reset |
| 11 | Ignition Failure | Medium | Call tech support |
| 12 | Flame Loss | Medium | Check gas & reset |
| 14 | Thermal Fuse Failure | Medium | Call tech support |
| 16 | Over-Temperature | Medium | Call tech support |
| 29 | Condensate Drain Issue | Medium | Call tech support |
| 31 | Inlet Thermistor Failure | Medium | Call tech support |
| 32 | Outlet Thermistor Failure | Medium | Call tech support |
| 33 | Heat Exchanger Thermistor Failure | Medium | Call tech support |
| 43 | Water Level/Neutralizer Issue | Medium | Call tech support |
| 45 | Water Leak Detected | Medium | Call tech support |
| 51 | Fan Motor Failure | Medium | Clean air filter |
| 52 | Exhaust Blockage | Medium | Check venting |
| 59 | Overheating Abnormality | Medium | Call tech support |
| 61 | Fan Motor Failure | Medium | Clean air filter |
| 65 | Main Flow Control Valve Abnormality | Medium | Call tech support |
| 66 | Bypass Flow Control Valve Failure | Medium | Call tech support |
| 70 | Circuit Board Fault | Medium | Call tech support |
| 71 | Gas Valve Drive Circuit Abnormality | Medium | Call tech support |
| 72 | Flame Rod/Gas Valve Issue | Medium | Check gas & reset |
| 73 | Circuit Board Setting Error | Medium | Call tech support |
| 90 | Combustion Abnormality | Medium | Call tech support |