BoilerFaultCodesWhat the manual says
Manufacturer manualInternal fault
From this model's manual
Verified against the Vokera/Vokera Easi Heat I Combi installation & service manual.
What causes this fault?
This fault occurs when the boiler's main control board experiences a software failure or a physical breakdown in its memory storage. It is often caused by electrical surges or internal wear and tear that prevents the computer from reading its own safety settings correctly.
Engineer required
This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Related fault codes
All 67 fault codes on the Easi-Heat I
Seeing a different code? Every code this model can display, in one place.