NEC Express5800/R320g-M4 Maintenance Manual page 59

Chapter 1 Maintenance
(4) CPU (CPU FAULT LED)
The LED lights amber when the CPU part of CPU/IO modules fails.
(5) MEM NUMBER (Memory slot error LED)
The LED lights amber when failure occurs on the memory slot 0 of CPU/IO module.
Memory slots with errors can be identified by illumination status of the following (5)-1 to (5)-4.
Status of memory slot error LED
(5)-1 (5)-2
(MSB)
– –
– –
– –
– –
–
○
– ○
– ○
– ○
○ –
– –
– –
– –
– ●
– ●
– ●
– ●
–
●
–
●
–
●
–
●
● ●
● ●
LED is lit.
○:
LED is blinking.
●:
–: LED is unlit.
Express5800/R310g-E4, R320g-E4, R320g-M4 Maintenance Guide (Windows)
Description
(5)-3 (5)-4
(LSB)
– – Operating normally
– ○ Error at memory slot 1
○ – Error at memory slot 2
○ ○ Error at memory slot 3
– – Error at memory slot 4
– ○ Error at memory slot 5
○ – Error at memory slot 6
○ ○ Error at memory slot 7
– – Error at memory slot 8
– ● Error at memory slot 9
● – Error at memory slot 10
● ● Error at memory slot 11
– – Error at memory slot 12
– ● Error at memory slot 13
● – Error at memory slot 14
● ● Error at memory slot 15
– – Error at memory slot 16
– Error at memory slot 17
●
– Error at memory slot 18
●
Error at memory slot 19
● ●
– – Error at memory slot 20
● ● Error at unknown memory slot, or
memory is not installed.
Action
–
Contact your sales representative.
6. Error Messages
59