Mark Steele

One other note (not sure if it means anything): - when I measure the voltage of +V and GND with the probe out of circuit, I measure 23.3VDC. When I...

Additional information: When I connect the probe +V and GND directly to the Meanwell PSU, the LED illuminates and the probe triggers in proximity to metal. When plugged into the...

OK - my tests: - Probe wired directly to +V and GND on PSU - SIG wired to pin PG15 of DIAG7 block , J34 - printer.cfg pin changed to...

One last note (hopefully) - I have been able to successfully run it on a fan port as well