Clearblue advanced OPK with PCOS help!

Coco
I was recently diagnosed with PCOS and my doctor suggested using OPK. The clearblue advanced has low (big O) high (flashing smiley) and peak (smiley) I got 2 low days, 9 high days  and then yesterday I got 
I was so excited! This peak symbol stays on the screen for 48 hours so I had another pack of the OPK kits and decided to test this morning. I tested and got a 
What's the deal?! Has anyone else tries this and it happened. Any help appreciated!