@dc42 said in No Voltage From Stepper Drivers:
- Please test the stepper motors by sending these commands:
G91
G1 S2 X10
G1 S2 Y10
G1 S2 Z10Each of the g1 commands should move the motor 10mm in the + direction of the axis concerned.
This was done in the original trouble shooting steps. I repeated this and the result was the same, the predicted position increased as expected but there is no movement from any of the motors. Measuring the pins on the board with an (admittedly slow) voltmeter shows no voltage, bar graph does not jump. This is repeatable for all axis and extruder.
- Can you confirm that you have VIN power applied, and that at least one of the heaters in your printer is working i.e. you can heat it up?
As mentioned in the original post VIN power is correctly applied. Both the extruder and bed heater work. All endstops are functional. LED's are lit on board and turn on correctly when endstops are closed. VIN power direction was double checked. Leads were removed, new crimps were applied, and were fastened back into screw terminals. Just to verify, I double checked voltage at the VIN connector and found 9.67 volts. Found power supply switched to 220 VAC input DOH! Switched power supply to 110 VAC input and the issue was resolved.
Thanks for your help! Figured I was overlooking something obvious, did not realise it was that obvious. Shows the importance of starting at the beginning.