| Fault Code | Possible Cause |
|---|---|
| 110 | Over heated – try bleeding your radiators |
| 117 | Water pressure too high |
| 118 | Water pressure too low |
| 125 | Water circulation fault |
| 133 | Safety time to establish flame exceeded |
| E10 | Outdoor Sensor Error |
| E20 | Central Heating Thermistor Sensor Fault |
| E28 | Flue Thermistor Fault |
| E54 | HW Flow Sensor Fault |
| E78 | Water Pressure Sensor Fault |
| E100 | Internal Clock Time Error on PCB |
| E109 | Poor Circulation |
| 110 | Overheat – try bleeding your radiators |
| 111 | Maximum Limit of Flow Temperature |
| 117 | Water pressure too high |
| 118 | Water pressure too low |
| 119 | System Pressure Low |
| 125 | Water circulation fault |
| 127 | Legionella Protection Temperature not reached |
| 128 | Loss of flame during operation |
| 133 | Safety time to establish flame exceeded |
| 153 | Forced reset unit unlocked |
| 160 | Fan Fault |
| 162 | Air pressure switch error |
| 164 | Heating flow switch error (Ireland) Pressure Sensor Error (UK) |
| 166 | Air Pressure Switch Fault |
| 270 | Dry Fire |
| 432 | Earth connector error |
| 433 | Heat exchanger temperature exceeded (greater than 95 degrees) |
| 1 Green Flash | Boiler temp reached – No action requiRed |
| 3 Green Flashes | Temporary Flame Loss – boiler will self reset, if continues will go to 3 Red Flashes |
| 4 Green Flashes | Communication error between PCB and Control – temporary error, will self reset |
| 5 Green Flashes | Parameter Error On PSU/PCB – temporary error, will self reset |
| 6 Green Flashes | Miscellaneous Error – temporary error, will self reset |
| 1 Red Flash | Sensor Error; Sensor Fault, Temperature Fault or Flow Fault |
| 2 Red Flashes | Boiler overheat tripped |
| 3 Red Flashes | Ignition fault. Boiler has attempted to light 5 times and failed |
| 4 Red Flashes | Fan Fault |
| 5 Red Flashes | Parameter or PSU Error |
| 6 Red Flashes | Miscellaneous Error |
Baxi Ecoblue Boiler Error Codes
Baxi Ecoblue Boiler Error Codes