many thanks for the suggestions, the thermostat seemed to have stuck, i moved the front dial and then heard a click , i reset the lockout button once more and it has worked ok since
help, my worcester danesmoor 18/ 25 boiller goes straight to lockout . it has happened 3 times previously over the last 6 years and every time i have changed the coil on the danfoss burner and this has solved the fault but changed it today and no luck.the benetone control box is flashing...
Ihave a danesmoor 18/25 boiler, as the weather has got warmer i have turned off my central heating ,the boiler fires up and heats the pipes leaving the boiler but the water tank stays cold and then the lockout light comes on.if i put the c/heating back on every thing works ok .any ideas thanks