Acer HDS WMS100, Reference Manual

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Acer | HDS WMS100™ User and Reference Guide 73
4.6.5.4 SENC Unit
SENC Unit
CHK LED (red)
ALM LED (red)
P0 LED / P1 LED (green)
Figure 4.24 SENC Unit LED Locations
Table 4.17 SENC Unit LED Functions
LED Function
P0 LED/P1 LED (green) When on, it indicates that the link status of FC-AL (loop 0 or loop 1 side) is normal.
ALM LED (red) When on, it indicates that a failure occurs in the SENC Unit.
CHK LED (red) 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
Note1: Normal blinking:
Blinks and times.
On
(500 ms)
3 s
Off
(500 ms)
Note2: High-speed blinking:
Blinks and times.
On
(400 ms)
1 s
Off
(200 ms)