https://www.buderusboilersguide.com/buderus-gb14245-boiler-keeps-locking-out/
Buderus GB142/45 boiler keeps locking out | Buderus Boilers Guide
Dec 26, 2018 - Hi Everybody, My three years old Buderus GB142/45 boiler is locking out a lot from the last three days. I have restarted the boiler in order to make it work...
buderusboilerkeepslockingguide