Chassis Status LEDs on a QFX3500 Device
The front panel of the QFX3500 device has three LEDs on the right side of the management board, next to the LCD panel (see Figure 1).
Table 1 describes the chassis status LEDs on a QFX3500 device, their colors and states, and the status they indicate. You can view the colors of the three LEDs remotely through the CLI by issuing the operational mode command show chassis lcd.
Table 1: Chassis Status LEDs on a QFX3500 Device
The device is powered on.
A temperature or voltage error has been detected, and the device has shut down. Power off the QFX3500 device by setting the AC power source outlet to the OFF (O) position, or unplugging the AC power cords. Correct any site temperature issues, and allow the device to cool down. Power on the QFX3500 device and monitor the power supply and fan LEDs to help determine where the error is occurring. If the amber Power LED begins blinking again, power off the QFX3500 device and contact customer support. See Contacting Customer Support to Obtain a Return Materials Authorization for a QFX Series Device or Component.
Junos OS has been loaded on the device.
The beacon feature has been enabled on the device using the request chassis beacon command.
A software error has occurred. Power off the QFX3500 device by setting the AC power source outlet to the OFF (O) position, or unplugging the AC power cords. Power on the QFX3500 device and monitor the management board LEDs to ensure that Junos OS boots properly.
The fan modules on the management board are operating normally.
An error has been detected in the fan modules installed on the management board. Replace the management board as soon as possible. You must power off the QFX3500 device before replacing the management board. See Removing a Management Board from a QFX3500 Device.