You've had better luck than me. Admittedly in my case the disc was an off air recording from Freeview (I think poor reception being the source of the problem), but I had no response to an email on the issue, and have had no response when I sent the disc in with a covering letter, either.

HH1 Photo 34. 598DP, 504, 518, 561(M), DSP5000, DSP33C, DSP33
2nd Room: 541, 555