Alpha · E-Tec 28/33
22 boiler fault code
E-Tec 28/33
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What 22 means
PCB fault — PCB software error.
Gas Safe engineer: Contact Alpha or a Gas Safe registered engineer for diagnosis.
A boiler fault code alone is not a gas or carbon-monoxide emergency. If you smell gas, a CO alarm sounds, or someone has possible carbon-monoxide symptoms, leave and call 0800 111 999 from outside.
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.
Safe check
Note the code shown on the display. Do not open, adjust or repeatedly reset the boiler. Contact Alpha or a Gas Safe registered engineer.
When to contact an engineer
Contact Alpha or a Gas Safe registered engineer for diagnosis.
Source and provenance
- Alpha E-Tec 28 and 33 Installation and Servicing Instructions (Jan 2022) · §10.2 Error codes and fault finding, printed p. 47
installation and servicing instructions
Jan 2022