First, is this the remote you have? Second are you using the VCR device key and is it still set to be a VCR? Each device can be remapped very easily as another. The tivo code is VCR0635, works on my RCU810 and with my Samsung 4040. The problem is it also controls my hughes HDVR2, Philips DSR7000, and my RCA DVr80, all at the same time.:(