FAULTNEST FAULT CODES
Baxi Boilers & Heating Fault Codes
Browse Baxi boilers & heating fault and error codes, meanings, likely causes and diagnostic checks.
AVAILABLE CODES
Choose the fault code
8 published codes currently listed for this manufacturer and category.
Boiler maximum temperature exceeded
Baxi lists E110 when the boiler exceeds the permitted temperature gradient or the safety thermostat trips.
Low water pressure
The boiler has detected system water pressure below approximately 0.5 bar.
Water circulation fault
Baxi identifies E125 as a water-circulation fault.
Flue thermostat sensor tripped
The boiler has locked out because the flue thermostat safety sensor has operated.
Gas supply or ignition fault
Baxi identifies E133 as a gas-supply/ignition fault involving the supply, sensing electrode, spark electrode or associated cable.
Flow/return plausibility fault
The boiler has detected implausible flow and return temperature behaviour.
Fan fault
Baxi identifies E160 as a combustion-fan fault.
Dry fire
Baxi identifies E270 as a dry-fire condition where adequate water/circulation is not detected during firing.
CAN'T FIND THE CODE?
Help us add it
Submit a missing Baxi code and we will review it before publishing.