Hi all,
thanks for help so far.
Right i now eventually have a proper fault.
Red light(A) is flashing and the yellow light (B) is also flashing at the same time.
Looking in manual it states a pcb fault or an air pressure switch fault.
I'm not going to be messing on with this but i...
It was serviced a year ago.
I actually had the service engineer come and look at it but said due to it being intermittent he couldn't work out what was wrong.
He said he could service it but it was pointless until we knew what was wrong with it.
Hi
I have a faulty CB28X. I've been reading quite a few posts but no one has quite covered the issue I have.
When the boiler IS running both CH and DHW work fine. Both lovely and hot with lots of flow.
Thing is the boiler might run for say 30 minutes to and hour and then suddenly...