I'm not sure which bits are hard to understand.
The hot water has been running hot then running cold.
A few days a ago when we ran the hot tap we noticed the radiators were getting hot and we were getting no hot water out of the tap.
I cleaned out the diverted valve and checked that it was not...
Just to note is a He30 and the pcb paperwork says secondary control box links should be on 2 for combi but there's no link present.
Not sure if this means any thing or is important lol.
@MTCH
So put heating on seems ok
Ran hot water came out got 15 secs then cold 15 secs then hottest and best it's been constantly scolding running slow hot running fast.
No faults now we left it off all night...
So our trusty ideal isar boiler has started playing up.
Tap hot water going to rads was first so cleaned out diverted valve lots of bits of crap fell out, like rusty lime scale..
Then thd tap hot water came on hot then went cold, checked the control thermister ok the console return ok the...
hi my ideal isar he30 pumps running constantly if the heatings on, as soon as heating switches on pump runs, turn thermostate down and pump just runs and runs, run the hot tap for a second and it stops.
any help would be great
tryed changing PCB and valve actuator but no joy
cheers
also...