Installation Manual

8-48 Troubleshooting

Power-up Reset Check

1. Locate the XY Servo Interface PWA power LEDs.

2. Is the green +SERVO LED illuminated?

Go to Servo Power Verification in this subsection.

Go to Step 3

3. Locate the J4 power connection at on the X and Y Servo Amplifier PWAs on the Servo Shelf.

4. Measure VDC between Pin 1 and Pin 2 of Power Cable (P/N 06-4534-00) connected to J4.

5. Is the reading at both Amplifiers 67.5 ±2 VDC?

Go to Step 6

Servo Amplifier (P/N 60-1212-00) has failed. See Parts

Replacement

section.

6. On the XY Servo Interface PWA, locate the Servo Amplifier power connections J8 for Y-axis and J6

for X-axis.

7. Measure the VDC between Pin 1 and Pin 2 of Power Cable (P/N 06-4534-00) at J8 and J6.

8. Do both connector locations have readings of 67.5 ±2 VDC?

Servo Interface PWA (P/N 60-1211-00) has failed.

See

Parts Replacement section.

Cable (P/N 06-4534-00) has failed. See

Parts Replacement section.

Yes