ADLINK PXIS-2700 - Manual (Page 21)

Troubleshooting and Preventative Maintenance • 15
4.5 Power Supply Unit Hot-Swap Replacement
For the PXIS-2700 chassis, there are four Green LED indicators for 3.3V,
5V, +12V, and -12V. There is also a Green LED for each power supply
unit on the rear panel. The power unit is defective if the LED on the rear
panel is extinguished or if the buzzer beeps continuously.
The red bottom between the power supply units is power RST. When
alarm buzzer beeps caused by power defective, you can push power RST
bottom to stop beeping.
PSU Hot-Swap Replacement Procedure
1. Press the red button on the rear panel to stop the buzzer
beeping.
2. Locate the defective power by examining the indication of the
individual LED on the rear panel.
3. Unplug the power cord of defective power supply from AC inlet.
4. Unscrew all mounting screws fixing the defective power supply
unit.
5. Pull out the defective unit.
6. Replace with a new power supply unit.
7. Screw all mounting screws to fix the new power supply unit.
8. Plug in the power cord.