Worcester 24i: OK on DHW; on CH pump runs but boiler doesn't fire. If DWH drawn at same time then gets some CH but user not happy with that as workaround(!).
I can't see any flow sensor telling the boiler that the pump is running, either physically on the boiler or in the manual, so I assume it has to be the PCB. Geoff can you (a) sanity check me here, and (b) do me a new PCB?
In message , YAPH writes
Isn't there a diverter valve with microswitches?
Else yes prolly the pcb and yes I have
No that's the CDi, this one's got the twin gas-to-water heat exchanger, no PHE, with a flow switch on the cold water inlet for DHW.
I will put one aside for you
You should have joined the party today
baxi barcelona with a blockage or airlock
sounds more fun than wrestling with a linux install that seems to have decided that a routine upgrade of the existing version should become an upgrade to the latest and flakiest version with non-working graphics :-(
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