Installation Manual

Troubleshooting 8-55
8. When using the [Crtl + Shift + Z + Up or Down Arrow keys], was there high vibration during the
Z-axis movement?
Go to Step 9
Go to “Z-Axis Rotary Encoder Verification” in 8.2.2, PMAC Rotary Encoder
Fault Isolation Procedure
9. Press the black OFF (0) button on the Operator’s Console.
10. Open the Front Hatch and manually move the Dispensing Head around the dispensing chamber using
only X or Y-axis movements and then in the Z-axis only.
11. Are movements smooth and linear with no binding or unusual noise?
Go to 8.2.4, PMAC Mechanical Fault Isolation
Procedure
Go to Step 12
12. Use the Cable Tensioning Tool (P/N 48-8002) to verify correct cable tension of 8 in-lbs (refer to
“Positioner Cable Tension Check” in the Power-up and Testing section of this manual).
13. Press the green
ON (I) button on the Operator’s Console.
14. Reinitialize the PMAC controller.
15. Did the Dispensing Head home with no error?
Go to 8.2.4, PMAC Mechanical Fault Isolation
Procedure
Go to Step 16
16. From the FmNT Main Menu, click on the Jog icon.
17. In the Jog Window, point and click at several locations in the blue square to move the Dispensing
Head throughout the dispensing chamber.
18. Did the FmNT message “30735 The motor have gone open loop. Press OK to continue and
reinitialize the motion controller” appear?
Stop here. The Cable tension is the root cause of
the PMAC Fatal Following Error fault.
Go to 8.2.3, PMAC Linear Encoder Fault Isolation Procedure
No
Yes
No
Yes
No
Yes
No
Yes