[weblacky]

Ah, well assuming your GNDA (pin 13) and PCB GND are tied together then that’s the correct path (also assuming you don’t have any ground differential by measuring you PCB ground and GNDA in something that will display hundredth’s of a volt). However the data sheet hints that it only advertises a ~5% accuracy on the voltage AD converter and a couple tenths isn’t an issue unless your close to your 10% or 20% env triggers.

For me, I fixed a single, localized, short and now another short (I did say I thought there had to be several, due to several decoupling caps registering short while clearly on different rails) is dominate and pulling 12v PIMM voltage down. I’m still confident in the relative accuracy of my env system.