On Mon, May 11, 2015 at 12:46 PM, Holm Tiffe <holm at freibergnet.de> wrote: > > ... unit is inoperative, error code A508(x). > > Now I have to find out what this means.. > There is supposed to be an EK-RF72D-SV RF31/RF72 Service Guide manual which would list error codes. I haven't found any copies of that online anywhere.