Dir asked ... Melcom ST4500 Jaytech?    |    L Markle asked ... Heat resistant glue?    |    r bryant asked ... Radio will not play?    |    Eed asked ... Brother KR850?    |    Lynne asked ... Disable Alarm Scantronic 9800?    |    Click here to ask your question

boiler flashes h5. ?

i bought a new c/board. we fitted it in. press setting, it flashes H5 what does this mean please x
angel, June 2014
there are jumper links on the PCB to configure it to your particular model boiler

simply copy settings on old pcb & transfer to new pcb

Q, July 2014