First of all, do you have the latest version? Although there was never such issue, its not a bad thing to ask
What I think that is going on is that you've connected your cv receiving device to outputs 3 or 4 and switched to UP (Unipolar) from the rear end. If this is the case then bear in mind that any incoming signal is "transported" to the bounds of the unipolar range regardless if the process chain is set to "On".
If that's not the case please send an *.reason example file with the problem you're facing to audioworx-support (at) quadelectra (dot) com