Installation Manual

8-34 Troubleshooting

10. Locate the power LEDs on the XY Servo Interface PWA.

11. Are the green +24V_A&B_ISO and +24V LEDs illuminated?

Go to 8.1.3, System Power Fault

Isolation Procedure

Go to Step 12

12. Is the green +SERVO LED illuminated?

Go to 8.1.5, XY Servo Amplifiers Fault

Isolation Procedure

Go to Step 13

13. Locate the Servo Motor LEDs on the XY Servo Interface PWA.

14. Is the red AOK LED illuminated?

Go to Interlock Switch Verification in

this subsection.

Go to 8.1.5, XY Servo Amplifiers Fault Isolation Procedure

15. With the Front Hatch closed, does the green light on the Beacon illuminate?

Go to Interlock Switch Verification in

this subsection.

Go to Step 16

16. Locate the power LEDs on the XY Servo Interface PWA.

17. With the Front Hatch closed, does the red SRVO_PWR LOW LED on the XY Servo Interface PWA

stay illuminated?

Go to Light Beacon Signal Verification in

this subsection.

Go to Interlock Switch Verification in this subsection.

Yes