Posted 6/9/2013 20:38 (#3146813 - in reply to #3146651) Subject: Re: Field IQ master switch knocking out my 750.
Adams,MN
I had to redo configurations and not use old A-B lines even on 4.01. You might have to do a hard reset, redo configuration to clear it up. Been my experience anyhow.
Also when upgrading, make sure nothing is plugged into display.