Installation Manual

Troubleshooting 8-61

Z-Axis Rotary Encoder Verification

1. From the FmNT Main Menu, click on the

Tool icon.

2. In the Tool Menu, click on the Terminal icon.

3. Under the Terminal icon, click on the

Dispenser icon.

4. Press the black

OFF (0) button on the Operator’s Console.

5. Verify the Z-head Interconnect Cable (P/N 06-4550-00) is connected securely to J2 on the Z Servo

Interface PWA and J31 on the XY Servo Interface PWA.

6. In the Dispenser Terminal Window, type M501 and press [Enter] on the Keyboard. A numerical

value should appear. Note the value returned.

WARNING! CAUTION!

Use caution when reaching your hand into the dispensing chamber while system

is under power. Failure to take appropriate precautions could result in injury or

property damage.

7. Manually move the Dispensing Head in the Z-axis.

8. Again, type M501 and press [Enter]. Note the value returned.

9. Are the two numerical values from Step 6 and Step 8 different?

Go to Step 18

Go to Step 10

10. Manually move the Dispensing Head upward to the mechanical hard stops in its highest position.

11. Type M501 and press [Enter] on the Keyboard. Note the value returned.

12. Manually move the Dispensing Head up and down in the Z-axis, at different speeds.

13. Return the Dispensing Head to the mechanical hard stops in its highest position in the Z-axis.

14. Again, type M501 and press [Enter]. Note the value returned.

15. Record the difference between the numeric values noted in Step 11 and Step 14.

16. Repeat Steps 10 through 15 three times.

Yes