BoilerFaultCodesYour boiler’s internal computer has lost its programmed settings and no longer knows how to operate correctly.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: wrong parameter from the factory
What causes this fault?
This fault occurs when the boiler's main control board experiences a memory failure or data corruption, causing it to lose its factory-set identity. It essentially means the computer chip no longer understands which model of boiler it is supposed to be controlling. The most common reason is an internal electronic component failure on the PCB, often triggered by an electrical surge or simple age-related wear.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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A boiler cover plan would cover faults like 38 — no call-out fees, no surprises.
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