Installation Manual

Troubleshooting 8-75
X-Axis Home Sensor Verification
1. Exit FmNT, shut down Windows NT, press the black
OFF (0) button on the Operator’s Console, and
switch the Main Circuit Breaker to the
OFF (0) position.
2. Manually move the Dispensing Head to the middle of the dispensing chamber.
3. Remove the white Cover from the X-axis Home Sensor Cable (P/N 06-4540-00) connection.
4. Switch the Main Circuit Breaker to the
ON (I) position.
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.
5. Measure VDC between Pin 1 and Pin 2 of the X-axis Cable (P/N 06-4540-00).
6. Is the reading greater than 4 VDC?
Go to Step 9
Go to Step 7
7. Measure VDC between Pin 1 and Pin 4 on the X-axis Home Cable.
8. Is the reading greater than 4 VDC?
Home/Limit Switch PWA (P/N 60-0785-00) has
failed. See
Parts Replacement section.
Go to Step 24
9. Locate J3 on the Z-Servo Interface PWA at the rear of the Dispensing Head.
10. Remove X-axis Home Sensor Cable (P/N 06-4540-00) from connector.
11. Measure VDC between Pin 1 and 2 of the J3 connector.
12. Is the reading greater than 4 VDC?
Go to Step 13
X-axis Home Sensor Cable (P/N 06-4540-00) has failed. See
Parts
Replacement
section.
No
Yes
No
Yes
No
Yes