We have prepared a troubleshooting guide to address some of the rare, but potential issues that may be encountered when converting a Hornby ringfield model over to CD/DVD drive-type motor. It is a live document, so do please check back from time to time. Last updated: 16 October 2019.
Step-by-step instructions for our Hornby HA1, HA2 & HA6 ringfield motor upgrade kits. Last revised: 14 November 2019
Step-by-step instructions for diode voltage dropper kits (DD1 & DD2). Last revised: 7 May 2019