HP ProCurve 4000M Installation Manual page 29

Step 4. Verify that the power supply is installed correctly by checking the LEDs
Figure 3-4
on the Switch and the Switch Engine Module.
The Power Status LED should be on continuously and not flashing.
If the Power Status LED and the switch Fault LED are flashing, see the
section "Troubleshooting" on page 30.
Power Status and Switch Fault LEDs
switch
Fault
LED
Power Status LED
Chapter 3
Connecting the DC Power Supply
Connecting the Power Supply
29