Dead 6040 controller box

[john swift]

I can not see very much detail but I guess the control box and VFD will look like this



does any thing light up ?

provided the mains fuse in the plug and the 20mm fuse in the mains inlet is OK
I would expect the main on off switch to light up

whats not clear from the photo is if the E-stop switch breaks the mains supply the switch mode power supply and your VFD drive
or if its just signals an E-stop to Mach3 (or what ever control software your using

John

PS
watch out when ever you unplug the spindle from the control box to test it without the spindle motor being connected

the Chinese very often use chassis mounting plugs as mains out lets !!!!