Installation Manual

Troubleshooting 8-9
4. Verify the Computer’s power switch is in the ON (I) position.
5. Does the green Computer power LED illuminate?
Go to 8.1.2, Main Power Fault Isolation
Procedure
Go to Step 6
6. Locate the power LEDs on the XY Servo Interface PWA.
7. Are the green 5V, A+15V, and A+5V LEDs illuminated?
Go to 8.1.2, Main Power Fault Isolation
Procedure
Go to System/Servo Power Verification in this subsection.
System/Servo Power Verification
1. Press the green
ON (I) button on the Operator’s Console.
2. Does the green
ON (I) button on the Operator’s Console stay illuminated?
Go to 8.1.3, System Power Fault Isolation
Procedure
Go to Step 3
3. Locate the power LEDs on the XY Servo Interface PWA.
4. Are the green +24V_A&B_ISO and +24V LEDs illuminated?
Go to 8.1.3, System Power Fault Isolation
Procedure
Go to Step 5
5. Is the green +SERVO LEDs illuminated?
Go to “Servo Power Verification” in 8.1.5, XY Servo
Amplifiers Fault Isolation Procedure
Go to Step 6
6. Locate the Servo Motor status LEDs on the XY Servo Interface PWA.
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes