FAULT CODES
None
Fault Code Reference - Model 4741612
| Status | Description | Additional Information |
|---|---|---|
| E01 | Ignition lockout | Boiler not igniting or not recognising flame |
| E02 | False Flame Lockout | Boiler detecting flame before igntion |
| E03 | Overheat Lockout | Flow or return sensor temperature excessive |
| E08 | Flame Circuit Failure | PCB fault |
| E09 | Gas Valve Feedback Error | Gas Valve Resistance Incorrect |
| E12 | EPROM Lockout | PCB fault |
| E15 | Flow/Return sensor calibration check | Unexpected sensor readings |
| E16 | Sensor Stuck Lockout | Sensor fault or no temperature change when lit |
| E17 | Sensor Stuck Lockout | Sensor fault or no temperature change when lit |
| E18 | Sensor Stuck Lockout | Sensor fault or no temperature change when lit |
| E21 | ADC Lockout | PCB fault |
| F13 | Remote Reset Lockout | |
| F34 | Low Power supply from mains | |
| F37 | Low Water Pressure | |
| F39 | Outdoor sensor Error | |
| F40 | Water Pressure too High | |
| F47 | Water Pressure Sensor | |
| F50 | HE DHW Outlet Sensor | |
| F52 | DHW Sensor Lockout | DHW sensor out of range |
| F53 | Flue Temperature Sensor Lockout | |
| F81 | Drift Test Warning | Excessive difference in Flow & Return temps |
| F82 | Sprayaway Condensate Level Alarm |