304 Low
Your boiler has gone into a temporary lockout because it has been reset too many times in a short period.
Technical description: All Boilers
Typical repair cost: £0 (including labour)
DIY fix possible
Switch the boiler off at the main electrical fused spur switch or wall socket.Wait for approximately 30 seconds.Switch the power back on and wait for the boiler to complete its start-up sequence.
Protect yourself from future repair bills
A boiler cover plan would cover faults like 304 — no call-out fees, no surprises.
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