Thermecon oil boiler problem - no central heating

[robertw1985]

Hi New to this website, jslight problem wonder how to fix it? I have a thermecon oil boiler with a honeywell thermostat, i have hot water coming through but when i try to put the heating on nothing happens, there is no light on the combi boiler. However when i turn on the hot water power is resumed at it pumps it through. The Honeywell thermostat is hard wired to the boiler as when i need the hot water on it reads this and the boiler starts.

Any Advice would be great

Thanks Robert

 

[oilman]

You haven't said which model boiler. It's likely the motorised valve is either sticking, or dead.

 

[Tipper]

Nine times out of ten it's the valve head failed/failing that causes no heating.

I lost count of the number of times I changed the motorhead. Most reliable repair is to change the motorhead complete as faffing about with the synchronous motor inside and its thin wiring is often a waste of time especially where access is limited.

 

[robertw1985]

Thanks it is a select wall mounted external model no. W40/50E