Search results

  1. H

    H5 Fault on a ICOS HE24 Boiler - H5 Fault

    Are you getting a H5 Fault after replaceing the PCB?? Then all you need to do is: Take out the old jumper pins (Black plastic covers that sit in the top right hand corner of the old PCB) Take these pins out 1 by 1 and fit in the exact position on the new Orange PCB box. These pins tell the PCB...
Back
Top