LED Color/Status Description
Red/Always on SCM in the slot SC0 has an error.
SC1 Green/Blinking SCM in the slot SC1 serves as the master module and is
working normally.
Orange/Blinking SCM in the slot SC1 serves as backup module and is
working normally.
Red/Always on SCM in the slot SC1 has an error.
LED on the
power supply
Green/Always on The power module is working normally.
Green/Blinking The power module is standby.
Orange/Always on The fan of power module failed or a standby voltage
output exception occurred.
Orange/Blinking A voltage output exception occurred. The power mod-
ule is in power-off protection.
Off No power supply.
LED on the
fan tray
Green/Always on The cooling system is working normally.
Red/Always on One or more fans have failed.
Off The fan tray is not fully inserted, or a fan circuit excep-
tion occurred.
LED indicators on the expansion modules
SYS Green/Always on The module is booting.
Green/Blinking The module is working normally.
Red/Always on The module has failed to start or a connection error
occurred.
Off The module is powered off or has been ejected.
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