F7
Ideal fault code
Ideal F7: low mains voltage
Engineer only
Ideal describes F7 on Ideal boilers (Ideal's general fault code guide) boilers as: low mains voltage.
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
- Ideal says the mains voltage is too low and to contact an electrician.
Find a Gas Safe engineer near you
Opens the official Gas Safe Register search.
Applies to: Ideal boilers (Ideal's general fault code guide). Codes can differ between models, so check your manual.