We’re sure you’re itching to start cutting! Before you begin making chips fly, we recommend going through these final checks to ensure you are set up for success.
Mechanical
- All screws in the table frame have been tightened
- End plates with T-nuts
- End plates to Y rails
- Crossbeams to Y rails
- Levelling feet
- Legs to frame
Table assembly
- All couplers have been fully tightened on both the motor shaft and ballscrew sides
Electrical
- Motor DIP switch positions are correct for each axis
X and Y-axis motor, from 1-5: OFF, OFF, OFF, ON, ON
Z-axis motor, from 1-5: OFF, OFF, ON, ON, ON
- Motor cable wires are not frayed or detached from connectors
- If they are simply detached, you can use a small screwdriver to press each orange spring terminal release to insert the wire back in
- Inductive sensors are functional
- Check by putting a metal object near the blue sensor face and see if a small red light triggers on the back
- Spindle VFD is plugged in to a separate 15A circuit from the SLB-EXT control board
Software
- You are using gSender version 1.4.12 or newer
- grblHAL is selected upon startup and connection to machine
- Alarm 10 can be cleared after pressing and releasing the E-stop button
- If E-stop is unresponsive, check the connections: unplug the E-stop cable, then use a screwdriver to remove the 3 screws at the bottom of the unit
- Machine can move in the X, Y and Z directions smoothly using the jog control buttons
- Spindle can spin up to speed, without alarms or errors, using the CW button
- Machine is able to successfully home without alarms or errors
- Jog the machine away from the X, Y and Z sensors
- Press “Home”
- If you encounter alarms or errors see this troubleshooting page
Default homing at back left corner on AltMill