Dionex AS-HV, Operator'S Manual

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4 • Troubleshooting
Doc. 065125-01 10/06
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4.4 Power LED Fails to Light
To troubleshoot:
1. Initialize the AS-HV. (Turn off the power, wait 10 seconds, and turn on the
power again.)
2. If the AS-HV initializes but the power LED still fails to light, the indicator is
faulty and should be replaced. Contact Dionex for assistance.
If the AS-HV fails to initialize and the power LED still fails to light, the
power supply fuse may have blown or the internal power supply may be
faulty. Contact Dionex for assistance.
NOTE The AS-HV electronics cannot be serviced by the user.
All repairs of the electronics components must be
performed by Dionex personnel.
4.5 CPU Activity LED Fails to Light
To troubleshoot:
1. Initialize the AS-HV. (Turn off the power, wait 10 seconds, and turn on the
power again.)
2. If the AS-HV initializes but the CPU LED still fails to light, the indicator is
faulty and should be replaced. Contact Dionex for assistance.
If the AS-HV fails to initialize and the LED still fails to light, the internal
power supply or the main PC board may have malfunctioned. Contact Dionex
for assistance.
NOTE The AS-HV electronics cannot be serviced by the user.
All repairs of the electronics components must be
performed by Dionex personnel.