| 10 |
Flame Failure |
Warning |
| 11 |
Ignition Failure |
Warning |
| 12 |
Flame Loss |
Warning |
| 14 |
Thermal Fuse Failure |
Warning |
| 16 |
Over-Temperature |
Warning |
| 29 |
Condensate Drain Issue |
Warning |
| 31 |
Inlet Thermistor Failure |
Warning |
| 32 |
Outlet Thermistor Failure |
Warning |
| 33 |
Heat Exchanger Thermistor Failure |
Warning |
| 43 |
Water Level/Neutralizer Issue |
Warning |
| 45 |
Water Leak Detected |
Warning |
| 51 |
Fan Motor Failure |
Warning |
| 52 |
Exhaust Blockage |
Warning |
| 59 |
Overheating Abnormality |
Warning |
| 61 |
Fan Motor Failure |
Warning |
| 65 |
Main Flow Control Valve Abnormality |
Warning |
| 66 |
Bypass Flow Control Valve Failure |
Warning |
| 70 |
Circuit Board Fault |
Warning |
| 71 |
Gas Valve Drive Circuit Abnormality |
Warning |
| 72 |
Flame Rod/Gas Valve Issue |
Warning |
| 73 |
Circuit Board Setting Error |
Warning |
| 90 |
Combustion Abnormality |
Warning |
| 92 |
Neutralizer Life Cycle Alert |
Warning |