BoilerFaultCodesYour boiler's main control computer has developed an internal electrical fault and can no longer safely operate the system.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: Circuit Board Bosch, Type Heatronic II282
What causes this fault?
This fault occurs when the boiler's internal computer experiences a critical communication failure or a short circuit on the main control board. The most common reason is age-related wear to the electrical components, though occasional power surges or water leaks onto the wiring can also trigger this total system failure.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Protect yourself from future repair bills
A boiler cover plan would cover faults like E00-722 — no call-out fees, no surprises.
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Worcester Bosch 24/28CDi II RSF is discontinued — time for a new one?
Parts for discontinued models can be hard to find and expensive. A new A-rated boiler could save you money on both repairs and energy bills.
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