Learning curve on those units and any locator, not always quite as easy as novices might think, lol
Hate to burst your bubble but operating a GFL is way easier than most think, even fun sometimes.
I’m guilty to a degree of perpetuating the mystique of locating wires and solenoids but then again, I’ve shared the solution many, many times on the forum.
READ THE MANUAL
The PEI 521 and the Armada manuals are very close to the same in content and meant to get one acquainted with their locating equipment, not so much for tricks and zip about theory but if you follow the instructions and make the proper connections, you’ll find the solenoid/wire path you’re looking for. That’s a given.
Theory and operational tips and refinement can be found doing cable and pipe locating searches on the in
There’s also a locator forum named “cablevine” which can help a lot
I’m sure everyone gets a tough call occasionally but as a rule, locating valves and ground faults are both pretty simple tasks.