Atag Error 69 Fault Code
Also written as ERROR69 — same fault.
The Atag Error 69 fault code means: your boiler's electronic control panel is not receiving power or is failing to communicate, meaning the boiler has completely shut down and cannot be operated.. It appears on 5 Atag models in our database.
Technical description: no or incorrect display
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Gas Safe Register →Atag models that show the Error 69 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Atag Error 69 fault code information on this page is sourced and cross-checked against the official Atag service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026