St
Vokera fault code
Vokera St: autostop
Engineer only
Vokera describes St on Vision and Compact A boilers as: autostop.
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
- Vokera's manual says to call an engineer.
Find a Gas Safe engineer near you
Opens the official Gas Safe Register search.
Applies to: Vision and Compact A. Codes can differ between models, so check your manual.