BoilerFaultCodesYour boiler has detected a problem with the way gas is being supplied or ignited at the burner, preventing it from heating your water.
Book a Gas Safe engineer within 24–48 hours. Your boiler may be unsafe or could break down completely if left.
Technical description: Burner injection
What causes this fault?
This fault occurs when the boiler's control system detects that gas isn't reaching the burner correctly or isn't staying lit once ignited. The most common reasons are a malfunctioning gas valve that won't open properly or ignition electrodes that have become worn and can no longer create a reliable spark.
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 C2 — no call-out fees, no surprises.
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Worcester Bosch WR325 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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