Installation Manual

Troubleshooting 8-69
13. Remove the Servo Shelf Cover.
14. Verify the Cable of the Y-axis Linear Encoder (P/N 194986) is connected to the XY Servo Interface
PWA (P/N 60-1211-00) at J23. The Y-axis Linear Encoder Connector should be on the bottom.
15. Is the Cable properly connected?
Securely connect Cable to its proper location and
go back to Step 5.
Go to Step 20
16. Disconnect Y-axis Linear Encoder Cable from J23 on XY Servo Interface PWA.
17. Check continuity of Y-axis Linear Encoder Cable as specified in Table 8-24.
Table 8-24 Y-axis Linear Encoder Cable Pin Connections
Encoder (P/N 194986)
Cable Pin Connections
Pin 1 to Pin 5
Pin 3 to Pin 7
18. Does the Cable have continuity between the pins specified in Table 8-24?
Cable of Linear Encoder (P/N 194986) has failed.
See
Parts Replacement section.
Go to Step 19
No
Yes
No
Yes