Do-It-Yourself manuals to repair your DGT clock.
This document describes how to repair bad responding DGT e-Boards. Don't open your board if you are still in your 2 year warranty period unless you have a written permission of DGT.
In some cases a DGT XL return to the option choice when it is in use. This occurs in most cases in Blitz games in which the players tend to hit the timer harder than it was constructed for. This document describes how to upgrade your timer so that this will not happen anymore.
This article only applies on timers that were built before January 2012