F.75
Glow-worm fault code
Glow-worm F.75: pressure sensor fault
Engineer only
On Glow-worm Energy boilers, F.75 is listed as a pressure sensor fault, with a defective pressure switch as the cause.
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: Energy range. Codes can differ between models, so check your manual.