red light

Evening, My Vokera Easi heat boiler has been working fine, pressure droping slightly recently but assumed this was due to increase in use, no visible leaks etc and all of sudden the red light has come up this morning. Have reset and the boiler comes alive for 2 mins then the red light...

Hi, I have a Potterton Statesman oil boiler using its integrated stat for temp control. The boiler fires up as normal as far as the stat is set below half way (unfortunately not hot enough to heat up the house in cold weather). If the stat is set above half way, the overheat light (red one)...

My Vokera Option boiler was playing up for a while - only heating water for a short time (just enough for a quick shower) but now it's not heating at all. There's a red flashing light so I opened the front panel and saw the water pressure was at about 0.8. So I let some water through and...

bought a hive today and installed it seemed to work but receiver keeps going red after a while . Think I'd have preferred a nest so am going to return and get a nest which I'll place where the old thermostat is Here is a pic of my Honeywell 6400c backplate Left to right they are labelled N L 1...