Cd 11 and my thermometer is playing up!!! I only have it a month. The beep sounds dodgey like it's dying and when I was tempin first thing I had a blank screen for ages just with an upside down T on it!! So anyway one min it was 97.27 then 96.52 then 97.52 talkabout a pain in the bum!!!! Last month I ov on cd12 so of alldays!!! Any advice apart from binning the thermometer!!!!