Potterton · Assure Combi
E430 boiler fault code
Assure Combi 25/30/36
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 E430 means
Water pressure temporary fault
Safe check
Note the code. Do not open or adjust the boiler, or repeatedly reset it. Contact a Gas Safe registered engineer.
When to contact an engineer
Contact 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 table · Potterton Assure Combi & System (Other tab) · E430 row
professional error-code table
Official Baxi web table; revision not stated