Brand hub
Baxi Fault Codes
Use this Baxi boiler hub to check fault meanings, user-safe steps, and when a qualified engineer is needed. Use this hub to move into the right appliance section, then open the exact fault code page for quick meaning, safe first checks, and escalation advice.
Appliance hubs
1
Fault code pages
18
Guides linked in
1
Appliance types
Top fault codes in this cluster
110 for Boiler
The boiler has overheated or hit a high temperature limit
117 for Boiler
System water pressure is too low
118 for Boiler
System water pressure is too low
125 for Boiler
Water circulation or pump performance issue
128 for Boiler
Flame detection has been lost during operation
130 for Boiler
Fan, flue, or air pressure sensing problem
133 for Boiler
The boiler has failed to ignite properly
E1 for Boiler
A boiler sensor is giving an invalid reading
E10 for Boiler
A boiler sensor is giving an invalid reading
E20 for Boiler
A boiler sensor is giving an invalid reading
E28 for Boiler
Condensate, drainage, or pump protection issue
E50 for Boiler
Control board or internal communication fault