dedenbear box

[SST159]

This is an interesting and ironic subject.
I have been chasing erratic reaction times since mid summer this season.
I use the Dedenbear Lightning plus in Pro Tree (NHRA Super Street) trim.
Historically I would carry between .095 to .105 in the delay box for several years which normally would put me in the .0 teens to low .020’s
Now all the sudden first two hits I would see average mid-teens in reaction time which is common but then first and second round bang huge swing in high reaction times. (yes I got lucky and still won the round)
Now I say to myself know I am getting old but not consistently old LOL however round two I find a very similar high reaction time.
This has been going on the rest of the season.
I have since replaced the Trans solenoid and made no difference.
Then I changed the button using the same brand button (Biondo Double 0 button) and no difference.
My question is has anyone ever experienced delay boxes going bad?
I did call Dedenbear and they told me anything could be possible and to send it to them and they would check it out.
The trans temp is all staying normal so I don’t think heat is culprit.
The converter is my next direction, but the data recorder does not show any change from older runs.
Just looking for anyone with similar experiences and what they may have found to be the culprit.
Any suggestions?