mach3 wont reset keeps saying external emg stop requested

[JAZZCNC]

hi Jazz
is the BOB, in my second picture the board in the middle i noticed today there is a red led lit up
sorry but what is PSU i have a multimeter so i can check voltages
Geoff

Yes Geoff, PSU = power supply unit. It will be the small one in this picture and test the V++ V-- highlighted in pic. The PSU will probably have sticker telling you the voltage Output. 12 or 24Vdc



Edit: Opp's didn't see Clive beat me to it, same as what he said...Lol