SOURCE: ariston A01 fault combi boiler
its not definately the pcb. change the detection sensor first( £3.20p). if this doesnt fix a01 fault then change the main pcb(£145).
SOURCE: Worcester combi boiler losing pressure & water through o/flow
having the same problem and its a new bolier. thanks , adriano.
SOURCE: flashing red light on Worcester 24i junior combi boiler
Pressure is ok? at 1 bar or above
I think on this one there should be a reset button [red] on the left hand top of the casing - or lower the control panel [ phillips screw on each side] and the button is on the left of the base plate. Press this and try the heating.or hot tap
P.S. if you're on a prepayment meter check you have gas.
Testimonial: "Thank you, very helpful advice. Still got the plumber coming to check everything over but the boiler is up and running for now. Thank you so much"
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