Installation Manual

Troubleshooting 8-45
Servo Amplifier Verification
1. Switch the Main Circuit Breaker to the
ON (I) position and press the green ON (I) button on the
Operator’s Console.
2. Locate the SERVO MOTOR LEDs on the XY Servo Interface PWA.
3. Observing the LEDs, determine status of Servo Amplifier using Table 8-17.
Table 8-17 Servo Amplifier Status
Function AOK SO1 SO2 SO3 Action
Amplifier OK Off Off Off Off No Servo Amplifier fault
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.