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The switch displays the letter "F" for fault on the ID LED if it encounters
one of the following problems:
A cooling fan has failed.
An unsupported power supply module has been installed.
One of the power supplies has failed.
The internal temperature of the switch has exceeded the normal
operating range and the switch may shut down.
Note
You can use the SHOW SYSTEM ENVIRONMENT command in the
command line interface to identify the source of the problem.
The states of the LED when the switch is operating in the low power mode
are shown in Figure 8.
The switch is the master switch of a VCStack.
The switch is operating as a stand-alone unit.
The switch is a member switch of a VCStack.
Figure 8. Switch ID LEDs in the Low Power Mode
IX5-28GPX Installation Guide
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