BoilerFaultCodesWhat the manual says
Manufacturer manualPCB Power up / Programming Mode
From this model's manual
Verified against the Ideal/Ideal Logic Combi C24 C30 C35 installation & service manual.
What causes this fault?
This fault occurs when the boiler's main internal computer loses its configuration or gets stuck during its initial boot sequence. The most common reason is a power surge or a failing printed circuit board that can no longer hold its basic programming instructions.
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 39 fault codes on the Logic Combi C24 C30 C35
Seeing a different code? Every code this model can display, in one place.