On both my Samsung digital recorder and my DM Tech TV sionce the retune the remote won't change channels. The Samsung does occasionally but the DM Tech TV never. It's not the batteries
Televison & Video - Samsung - LE - LE26R74BDX 26 in. HD-Ready LCD Television
Answers & Comments
Re enter the codes,or take the remotes aparts take some rubbing alchahol clean the circuits board and the rubbers films liners.