NEC Express5800 Series User Manual page 69

General Description 2-25
UID LED
This LED blinks in blue by NEC ESMPRO Manager, NEC DianaScope or remote management of
WEB server functions to identify the targeted device for maintenance. Use this LED when you have
two or more of this device model on a single rack.
When you are finished with maintenance, switch off the UID LED.
Module POWER LED
This LED illuminates in green while the CPU/IO module is powered on. When the CPU/IO module
is not powered on, this LED is off.
When the LED is illuminating, you cannot remove the module.
Module FAULT LED
This LED illuminates in amber when the CPU/IO module has a problem.
Processor Error LED
This LED illuminates in amber when the processor of the CPU/IO module has a problem.
I/O Unit Error LED
This LED illuminates in amber when the I/O of the CPU/IO module has a problem.
Memory Group 1 Error LED
This LED illuminates in amber when the memory group 1 (A1 and B1 DIMM slots) of the CPU/IO
module has a problem.
Memory Group 2 Error LED
This LED illuminates in amber when the memory group 2 (A2 and B2 DIMM slots) of the CPU/IO
module has a problem.
Memory Group 3 Error LED
This LED illuminates in amber when the memory group 3 (A3 and B3 DIMM slots) of the CPU/IO
module has a problem.
Fan 1 Error LED
This LED illuminates in amber when the cooling fan unit in the CPU/IO module has a problem.
Fan 2 Error LED
This LED illuminates in amber when the cooling fan unit located at the rear of this server has a
problem.