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error code e02 wont work when pressurised?

Ariston Microgenus 28 - when pressure is 0 it works, when pressurised wont work! Have changed flow switch and pressure gauge - no luck

Alex Davies
October 2019
It sounds like a wiring fault or loose connection somewhere. This would be a job for an Ariston engineer in the interests of safety, rather than keep changing parts in the hope that you can fix this without proper

Rupert
October 2019

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