Step 5: Performing Functional Tests
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Step 5: Performing Functional Tests
The functional test procedures include:
• Power-on and front panel functional checks
• Voltage mode operation and current mode operation checks.
For information on local operation, see “Local Operation” on page 3–1
for adjusting front panel controls and settings.

Poweri ng the Power S upply On/Of f

To power on the power supply:
1. Ensure that the front panel power switch is in the Off position.
2. Ensure that the AC line voltage is within operating range.
3. Connect the line cord to a grounded AC outlet.
4. Turn the front panel power switch to the On position.
After a short power-on delay, 8888 8888 illuminates on the output
voltage and current displays, followed by PSU On.
After approximately 1 second, the display returns to normal status.
To power off the power supply:
uTurn the front panel power switch to the Off position.
AC FAIL will blink on the display. The ALARM LED illuminates.
After a short delay, all lights on the display will not be illuminated.