Worcester Bosch 28cdi boiler - Hot water light flashing when central heating is on

bhavikpatel999

hi there,
Well basically when the boiler is on central heating mode the red hot water light seems to flash fast. I reset the boiler and everything returns to normal but eventually the same problem will happen again, not instantly maybe the next day. It use to occur like every so often and i thought nothing of it but now it occurs everyday and is now really concerning me. Not so long ago the air pressure switch but the problem still occurs. Ans when the heating is on the radiators seem to make a hissing noise, but when the thermostat is turned down slightly it stops. Ive tried bleeding the radiators but there is no air. The radiators were changed 4 months ago, i believe both problems above are related to the changing of the radiators. Anyone have any ideas. Your help is much appreciated.
Thanking you in advance,
Patel

markleedsuk

It is ignition lockout that is the problem with your boiler, (not lighting with first few tries) so is locking out you need a Corgi registered installer to fix.

bhavikpatel999

no definetly not an ignition lock out, the boiler starts back up instantly when reset. thanks anyway.