Alpha · E-Tec 28/33
01 boiler fault code
E-Tec 28/33
Get a Gas Safe engineer
Free. Enter your postcode.
Renting? Report it to your landlord or housing provider first. They are responsible for gas safety and boiler repairs, and the repair should not cost you.
What 01 means
Code 01 indicates ignition failure.
Safe check
Stop at the displayed code. Do not attempt internal checks or repeated resets; arrange diagnosis by a Gas Safe registered engineer.
When to contact an engineer
This ignition fault requires diagnosis by a Gas Safe registered engineer.
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
- Alpha E-Tec 28 and 33 Instructions · §10.2, printed p. 47 · 01: ignition failure
technical instructions
January 2022 · E-Tec 28 and 33