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Ok all sorted.. apart from one new prob now.. boiler only fires for 3 mins before switching off.. not a lock out just switches off.. yet water is not hot from taps.. water is hot around pump and a new pump has been fitted. (Sealed system) Pressure rises to 2 bar when firing.. After 20mins or so...

Thanks.. have that.. Finally replaced them but quick follow up.. do they need to be deep back into the pocket.. seems to require real force to get them in. I'm left with a 5mm sticking out, yet before they were fully inside

In the process of changing the boiler control thermostat on a 499k Mx.. anyone any suggestions on how on earth the phials should be removed from the pocket as Rayburn seem to have managed to get 3 phials temp, overrun and overheat into a hole smaller than the phials

Replaced both Solenoids on the cooker side today and that seems to have solved it....

One pump and then the 5 solenoids - 3 seem to head off to the CH which is working fine.. 2 head directly to the oven burner .. The oven is the problem(it tends to light for 30 secs to 2 mins) ..Have ordered 2 new solenoids for it as it the only thing now I can think of. Can't see how it's the...

Ok - Coupling and motor is fine (just relaised it has to be other ise the pump wouldnt be turning and the CH would be off) All I'm left with is the Solenoids as I have now completely cleaned as best I can the Impeller (I would like to replace this) but how the hell do you remove these - with...

OK all flu ways and baffles totally cleaned out.. I have made some progress (of a sort) so if I describe what now constantly happens it may ring a bell. So it now fires up as normal for usually between 40 seconds and 1 minute before losing burn. It then tries to reignite but fails. This...

It's been a while since I posted because remarkably the unit has been behaving itself for a while.. But this week it's thrown a tantrum I'm struggling to get my head around. Boiler side works fine. Cooker side pump starts.. soft start click.. ignition.. sometimes it lights.. sometimes not. If...

Update on this - New Motor and cap fitted (motor is now slightly different with the cap built on - different make) -- Fired up first time and sounds a lot healthier Thanks again everyone

Those are fine John - I have a new motor/cap coming will see how it goes from there and update

I see the logic as its now outside the body of the rayburn - will give it a go though the resistance test on the motor does seem to indicate the motor has died (but looking at the engineering manual would the PEC fail even come before starting the motor as it seems to be the first call from the...

Just had an OMG moment - started it whilst the unit is outside the body of the rayburn (why I didnt do this in the first place I dont know - visions of it jet racing across the room like a drag racer) .. Motor not even starting .. My logic tells me it should start regardless of the solenoid...

IM pretty sure it the motor as I did a resistance test and its way to low... 46ish Also backtracking the start sequence the motor would still try to start (I think) even if the solenoid after the pump had failed... Oddly both Aga and Nuway still supply the blast tubes (probably because they are...

The 499ks blast tubes seem to me to have a terrible design fault and always seem to slowly tear over a year where the fold is.. Just looking at the motor when I removed the capacitor cover there is a little brown liquid on it? Never been much good with the voltmeter though so not sure how I...

One thing has occured to me - All though boilerside I can hear the fan kick in before it locks out... Cooker side Im not hearing the motor start at all.. (its obviously not starting when the boilerside tries to work either bu the noise of the boilerfan is louder and disguising its absence) I...

hi - No its totally dry. Both ignitions have just been replaced.

Our 499k MX with the Nu way burners has been running faithfully heating and cooking over the years.. Every now and again it throws a tantrum and needs Blaster Tubes replacing but this time Im mystified.. On the cooker side its starting its sequence with a small charging sound from the ignition...

Ok tried to explain this to first plumber who said he would have to drain system and replace the entire valve and its pipework. Told him I would ring him back. Called another plumber who said to try replacing the motor first on the midposition valve as these tend to fail. he sold me one for...

its an acl lifestyle mid postion valve h340-30l0 have not seen it in any poswition but M.. wont move to H even manually , it swings to H for a second(and the pump fires up) when you push the manual lever but immediatly goes back to M

I'll try to explain this as best I can.. One morning when we awoke we had hot water as usual but the radiators had not come on. No amount of jiggling the thermostat or the central heating switch made them come on. I looked in the Immersion cupboard and noticed a switch that was sticken out of a...