HPE ProLiant ML350

3 NIC status LED
Solid green = Link to network
Flashing green (1 flash per second) = Network active
Off = No network activity
4 Power On/Standby button and
system power LED
Solid green = System on
Flashing green (1 flash per second) = Performing
power on sequence
Solid amber = System in standby
Off = No power present
Facility power is not present, power cord is not
attached, no power supplies are installed, power
supply failure has occurred, or the front I/O cable is
disconnected.
UID button functionality
The UID button can be used to display the HPE ProLiant Pre-boot Health Summary when the server will not
power on. For more information, see the latest HPE iLO User Guide on the Hewlett Packard Enterprise
website.
Front panel LEDs power fault codes
The following table provides a list of power fault codes and the subsystems that are affected. Not all power
faults are used by all server s.
Subsystem Front panel LED behavior
System board 1 flash
Processor 2 flashes
Memory 3 flashes
Riser board PCIe slots 4 flashes
FlexibleLOM 5 flashes
Removable HPE Flexible Smart Array controller/
Smart SAS HBA controller
6 flashes
System board PCIe slots 7 flashes
Power backplane or storage backplane 8 flashes
Power supply 9 flashes
UID button functionality 79