Recent content by philharves

the pressure is reading 1.7 bar, no fault codes are displayed, the status code reaches s.4 before the boiler starts the cycle again.

Hi everyone, our vaillant ecotec pro28 has stopped working as it should, first fault, switch on central heating yellow light comes on ok fan and ignition ok, gas lights ok when fan speed increase kicks in all leds go out and display goes blank for a moment, then the sequence starts again. The...