I had this problem with my pump...
Was wondering, are you using a pump with no RPM sensor like a D5? If that is the case, the PA self "safety" feature kicks in if it detects 0rpm and keeps the output at 100%.. What you need to do is use the old aquasuite and "uncheck"
"active when no speed signal is measured"
Yes, I'm using a pump w/o a rpm sensor.
And thanks. This solved the issue!