Baxi · Duo-tec Combi
E125 boiler fault code
Duo-tec Combi
Get a Gas Safe engineer
Free. Enter your postcode.
Renting? Report it to your landlord or housing provider first. They are responsible for gas safety and boiler repairs, and the repair should not cost you.
What E125 means
E125 indicates a water-circulation fault.
Safe check
Record the displayed code. This fault requires engineer attention.
When to contact an engineer
Arrange diagnosis by a Gas Safe registered engineer.
Safety notice
A boiler fault code alone is not a gas or carbon-monoxide emergency. If you smell gas, a CO alarm sounds, anyone feels unwell, or there is an unsafe flame, leave and call 0800 111 999 from outside.
Source and provenance
- Baxi Professional error-code page · Other tab · Duo-tec Combi listing · E125 row
professional error-code table
web page, no revision