BobsCNC E3 Handbuch zur Fehlersuche - Seite 4
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- 1. Table of Contents
- 2. My Stepper Motors Are Running Backward
- 3. My Z Axis Is Not Homing Correctly
- 4. My E3 will Not Home Correctly (Diagnosing Home Switches)
- 5. My Firmware Does Not Seem to be Working
- 6. I Tried to Use Easel, Now My Machine Does Not Work Correctly
- 7. I Get and Error When I Run a G-Code File Made with F-Engrave
- 8. My Z Stepper Motor Wobbles Excessively
- 9. My Machine Seems to be Skipping some Commands
- 10. What Are the Alarm Code Descriptions
- 11. How Do I Change My Current Setting on the Stepper Motor Drivers
- 11. Setting the Current on the A4899 Stepper Motor Driver with a Volt Meter
- 11. Setting the Current on the A4899 Stepper Motor Driver Without a Volt Meter
- 12. The Dewalt Motor Shaft Came out During Assembly. (Dewalt Brush Remove and Replace)
My E3 will not home correctly (diagnosing home switches)
The correct direction for the stepper motors during homing is toward the home switches. The Z will
move up and down twice, then the X and Y axis will move. If the E3 does not home correctly it will not
be in sync with the computer. First, check to see if each of the home switches is connected correctly.
UGS has a check box for each home switch to help diagnose (circled in red).
Please note that the USB has to be plugged in and UGS has to be connected before these boxes show
up. If you still do not see them, you may have to close the windows above it. The windows can be reset
to the default by clicking menus window>> reset windows.
To diagnose home switches:
Unplug the main power of the E3, but keep the USB plugged in and the UGS connected.
Manually move the E3 so that none of the home switches are closed. In this state, none of the check
boxes should be unchecked. If you have a check mark in an axis the firmware thinks the axis home
switch is being pressed. Things to check:
•
Is the home switch connected?
•
Is there a broken wire on the home switch?
•
Is the switch too tight and the switch's internal parts can't move?