F0
Worcester Bosch fault code
Worcester Bosch F0: internal error
Engineer only
Worcester Bosch describes F0 on Greenstar CDi Classic boilers as: internal error.
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: Greenstar CDi Classic. Codes can differ between models, so check your manual.