Glow-worm · Energy
F.75 boiler fault code
Energy
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What F.75 means
F.75 indicates a pressure sensor fault.
Safe check
Do not attempt to diagnose or repair the pressure sensor; arrange a Gas Safe registered engineer.
When to contact an engineer
Arrange a Gas Safe registered engineer to investigate this sensor fault.
Safety notice
A boiler fault code alone is not a gas or carbon-monoxide emergency. If you smell gas, a CO alarm sounds, anyone feels unwell, or there is an unsafe flame, leave and call 0800 111 999 from outside.
Source and provenance
- Energy range fault codes · F.75 pressure sensor row
manufacturer trade support table
Checked 30/09/2026; the online page publishes no revision