Installation Manual

Troubleshooting 8-91

Servo Amplifier Verification

1. Locate Servo Motor status LEDs AOK, SO1, SO2, SO3 on the XY Servo Interface PWA.

2. Compare the ON/OFF conditions of the LEDs with those in Table 8-27 and take the action specified.

Table 8-27 Servo Amplifier Status

Function AOK SO1 SO2 SO3 Action

Amplifier OK Off Off Off Off

Go to Interlock Fault Isolation, subsection 8.1.4

External Disable Off On Off On

Go to External Disable Check in this subsection

Current Limit Off Off Off On Contact Asymtek Technical Support*

Short On On Off On Contact Asymtek Technical Support*

Over temperature On Off On On Contact Asymtek Technical Support*

Internal Supplies On On On Off Contact Asymtek Technical Support*

Under Voltage On On Off Off Contact Asymtek Technical Support*

Over Voltage On Off On Off Contact Asymtek Technical Support*

Shunt Request Off Off On Off Contact Asymtek Technical Support*

Power Up Reset On Off Off Off

Go to Power Up Reset Check in this subsection

Commutation

Failure

On On On On Contact Asymtek Technical Support*

*Servo Amplifier may be damaged

External Disable Check

1. Is FmNT open?

Go to Step 2

Go to Step 5

2. Exit FmNT.

3. Open FmNT by double-clicking on the

FmNT icon.

4. Does FmNT initialize with FmNT error messages (30735, 30416, 30353) related to the Motion

Controller?

Go to Step 10

Go to 8.2, Troubleshooting the Servo Controller

5. With the Front Hatch closed, go to FmNT Main Window and click on the Jog icon.

Yes