A
atty17
Boiler display is showing -- when switch off and back on displays 29 for 5 seconds and reverts back to --,
checked power supply into boiler all is ok integral fuses ok but no other fault code showing, reset not doing anything, I suspect the PCB , does anyone have any other suggestions.
checked power supply into boiler all is ok integral fuses ok but no other fault code showing, reset not doing anything, I suspect the PCB , does anyone have any other suggestions.