Figure 4.31 Senc Unit Led Locations; Table 4.19 Senc Unit Led Functions - Acer HDS AMS200 Reference Manual

4.7.5.5 SENC Unit
SENC Unit
P0 LED / P1 LED (green)

Figure 4.31 SENC Unit LED Locations

Table 4.19 SENC Unit LED Functions
LED
P0 LED/P1 LED (green)
ALM LED (red)
CHK LED (red)
Note1: Normal blinking:
On
(500 ms)
Note2: High-speed blinking:
On
(400 ms)
Blinks n times.
86 Chapter 4 Subsystem Architecture and Components
CHK LED (red)
ALM LED (red)
Function
When on, it indicates that the link status of FC-AL (loop 0 or loop 1 side) is normal.
When on, it indicates that a failure occurs in the SENC Unit.
After turning on the power, it blinks for about 10 seconds (while CUDG is being
executed). However, this blinking does not indicate an abnormal state.
It indicates error factors by the frequency of blinks.
Low-speed blinking (Note 1):
Twice: CUDG error in SENC
Eight times: Selector circuit of the fan is abnormal.
Lighting:
CUDG error in BOOT section of SENC
High-speed blinking (Note 2):
Five times: Fixed data error in flash memory.
Six times: Significant surface error in flash memory
Seven times: SUM check error in flash memory
Off
(500 ms)
Off
(200 ms)
1 s