Baxi 105e strange issue, for me

[Plipplop]

I’m sure the gurus on here will have an idea what is going on with this boiler. Well boiler suddenly switches off, no ch or dhw, but main power light on no error lights etc. so check all usual suspects all fine, but, check across reset switch and output appears as about 24 volts when I/p to switch is 240v. Think oh switch take neutral from I/p and o/p short together same problem, ok take what appears to be main live when switched on off and again short that together across switch, boiler does not fire, but, 240 now across switch to pub etc. So put all lead back on switch low and behold all not works fine, dhw and ch timed and constant works for hours no problem. I fear the reset part of switch etc needs supply etc at same time as live feed to prove it. I thought I would ask my simpleton question here before I purchase a switch tomorrow. Thanks for all your help in advance

 

[Deleted member 120897]

Could be the switch, or maybe the contacts?