isar HE30

[Stesal]

Hello,
am wondering IF anyone can tell me how to check the pre heat plate warmer? I have had the bolier now for 3yrs. Just lately i have noticed that it has Stopped firing up when no hot water/heating is required? It usually fired up intermitenly to pre heat the water?
Any ideas?
thanks

 

[BlueMoonMole]

Are you sat next to the boiler 24 hours a day?

Are you sure it hasn't fired whilst you were away from the boiler?

Do the radiators get hot? does your hot water get hot?

What's the problem?

 

[Stesal]

NO! am not sat next to it 24hrs a day! but being retired i am at home all the time.
As i said earlier the bolier is not lighting up as it used to do? The water now takes it's time in getting Hot whereas before it came through hot nearly instantly? Whilst having a shower the other day, my wife told me the water went freezing?

 

[BlueMoonMole]

Does it ever come up with any fault codes?

The symptoms sound like its either misfiring, due to warped ignition electrodes or your experiencing initial stages of thermistor faults...

Does it ever sound loud when it lights up? like a loud 'bang' or rolf harris style 'wa-woomp'?

I'd recommend calling in an engineer TBH there's a good chance they'll replace a couple of things during a routine service and actually sort the problem out.

 

[Stesal]

No Noises --n othing? It shows the usual 0 when not firing then the d etc. but according to the manual it should prefire when i depress the reset button? It does'nt?
I was thinking it might be the switch for the pre ignition?

 

[BlueMoonMole]

Turn the power off at the fused spur....

Wait about 10 minutes, make a brew or something

Then go back and turn it on... Does the boiler fire up for a moment?

 

[Stesal]

Yes i tried that a couple of times y/day & yes it does fire up momentarily? However the reset button has no effect at all?

 

[Garfeild]

Its not meant to