Summit WM Controller diagnostics
Summit WM Technical Reference Guide, Software Version 5.176
Summit WM Controller WM20 LEDs
The Summit WM Controller WM20 has four LEDs on its front panel.
Figure 8: Summit WM Controller WM20 LEDs
The description of the LED states is provided below:
● ACTIVITY LED – Indicates the CPU activity, including the amount of traffic carried to and from the
Wireless APs.
● STATUS LED – Indicates the normal state of the Summit WM Controller as seen by the system’s
software. This LED covers all stages of the Summit WM Controller, ranging from restarting, to
shutting-down. As long as the Summit WM Controller is running normally, this LED will remain lit.
● HDD Activity LED – Is hardware controlled to report Hard Drive Device (HDD) activity.
● Hot Swap Button LED – Indicates that the hot swap lever on the Summit WM Controller is pulled
out.
NOTE
The hot swap lever is not enabled in the current release. Pulling the hot swap lever will not affect the normal
operation if the Summit WM Controller WM20 is already running. However, if you attempt to reboot the Summit WM
Controller WM20 with the hot swap lever pulled out, the controller will fail to reboot. If you pull the hot swap lever
while the Summit WM Controller WM20 is in operation, the Hot Swap LED will light up.
Summit WM Controller WM20 LED states and corresponding system states
Table 23: Summit WM Controller WM20 LED states and corresponding system states
System state Status LED Activity LED
Power up (BIOS, POST) Blinking Amber Green
System booting (failed to boot) Off Green
Startup Manager: Task Started Solid Amber Blinking Amber
Startup Manager: Task completes the startup — All components
active
Solid Green Blinking Green upon
traffic activity
Activity LED
Status LED
HDD Activity LED
Hot Swap LED
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