28 cdi problem

[P4ULT]

hi all i got a worcester 28 cdi that switches off when it should but comes back on changed the timeclock and it still happens any ideas please.

cheers paul

 

[Blackcatgas]

hi all i got a worcester 28 cdi that switches off when it should but comes back on changed the timeclock and it still happens any ideas please.

cheers paul

Is it in an out house/garage? they have a frost stat built in to turn themselves on if the temp gets below 5 deg.

 

[freelander100]

have you wired the new timer ok. install insrutions are different fot cdi or i model boilers

is divertor valve sticking sending water to rads on hot water demand