David Dawes asked ... How to recoil the starter spring - Champion R484TR?    |    peter high asked ... How can I set time on my Neff oven?    |    Michael asked ... Mountfield empress drive belt?    |    John Barton asked ... How do i clear the TAM?    |    John asked ... How can I mend my binatone veva 1210 handset?    |    Click here to ask your question

Boss Programmer?

I have a Boss BUP2 boiler programmer which I am unable to switch on. I follow the instructions as far as "Set Status" When selecting Central Heating I get no further. Can You help or advise please?
Mr Cliff Reid, September 2022