My ideal elan 2 50FF was failing to ignite automatically having checked it over for loose connections I switched the electrics back on and it still failed to light. Whereupon I decided to put the bottom plate which is just really to prevent anything from getting into the electrics it wouldn`t quite fit so I had to be rough with it and accidentally knocked the side of the boiler, whereupon the boiler started clicking and fired up. Now the boiler lights but after a short time anything from 10 to 30 minutes it fails to ignite but the fan still runs if I give it a thump on the side casing then the injector fires up.
I have also noticed that the downstairs radiators are not getting as warm as the upstairs which seems to me to suggest that my pump (13 years old) is failing. Could this also be related to the problem with the ignition? Maybe the flow rate is not sufficient and the boiler is refusing to light for safety reasons. Or is it some other problem perhaps with the Honeywell gas control?
Love to solve this with a technical solution rather than a thump on the side of the boiler.