E430
Baxi fault code
Baxi E430: water pressure temporary fault or test failed (also shown as 166)
Engineer only
Baxi describes E430 on Platinum, Duo-tec, EcoBlue, Megaflo, Assure, Main Eco and original 600/800 boilers as: water pressure temporary fault or test failed (also shown as 166).
What you can safely do
There is nothing you can safely do yourself with this one. Leave the boiler off and book an engineer.
Call a Gas Safe engineer if
- Book a Gas Safe registered engineer.
Find a Gas Safe engineer near you
Opens the official Gas Safe Register search.
Applies to: Platinum, Duo-tec, EcoBlue, Megaflo, Assure, Main Eco and original 600/800. Codes can differ between models, so check your manual.