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I have a fault with the CH on my Lynx electronic AS FOLLOWS : 1. CH when prompted, fires up for around 20 secs and when CH temp gauge hits top red neon control sequence neons drops from full flame down to demand light on only. 2. HW will only work when CH switch is on along with boiler...

I have only just noticed that the HW will not work at all unless the Boiler switch and the CH switch are on, although the CH is not working correctly. Thanks

My Potterton Lynx electronic boiler started playing up over 1 week ago, whereby the C.H fired up for around 20 seconds only until the on the Temp C.H. light hit the top red neon and the boiler control sequence dropped from Full flame to demand. The boiler will generally fire up again after say...

Thanks lads, for all your feedback. Things have got worse with the boiler since my original post a few days ago the rads upstairs are now not getting warm/hot at all and the boiler is now noisy, although sounds like the fan, and is rarely firing up. Rgds - Joe P.S. just to answer a...

Hi Tony, Many thanks for the prompt feedback. Whilst not being a Gas Fitter I am a qualified electrician and spent a number of years working as a service engineer for both Creda and Hobert and therefore not exactly a novice. Therefore could you please tell me what I should look out for on...

Many thanks for taking the time and trouble to reply. If there any way that I can check the diverter valve to see if it is operating O.K. ? I can buy a new one from Ezepart for £50.00 but it is pointless if that is not the problem. I have checked the heat exchanger which seems O.K. Would...

Hi, I have an ageing 15 year old Potterton Electronic that is once again giving me problems. I have no problem with hot water, however the central heating is giving me grief. After firing up the boiler, the lights on the neons on C.H. Temp indicator quickly go up to max and the neons on...