Digisender Plug'n'Go can't change channels

[tommo16]

Hi Folks

firstly apologies if this query is in the wrong section, am new to the site.

basically my problem is that i cannot change sky channels on the second televsion using digisender. it was working fine for about a month.

also on main tv where sky hd box is, the sky remote wont work when digisender is plugged in and turned on.

any ideas how to solve this problem?

would greatly appreciate some help

cheers