Figure 4.34 Control Unit Led Locations; Table 4.22 Control Unit Led Functions - Acer HDS AMS200 Reference Manual

4.7.5.8 Control Unit
Control Unit
GP1 LED(Green)
GP0 LED(Green)
Figure 4.34 Control Unit LED Locations
Table 4.22 Control Unit LED Functions
LED
P1 LED (green)
P0 LED (green)
EALM LED (red)
CHK LED (red)
CACHE POWER
LED (green)
RST LED (orange)
CALM LED (red)
GP0 LED (green)
GP1 LED (green)
88 Chapter 4 Subsystem Architecture and Components
CACHE POWER LED(Green)
P1 LED(Green)
CHKSTP LED(Red)
CHK LED(Red)
CALM LED (Red)
P0 LED(Green)
EALM LED(Red)
Function
When on, it indicates that the link status of FC-AL (loop 1 side) is normal.
When on, it indicates that the link status of FC-AL (loop 0 side) is normal.
Indicates error factors by the lighting or blinking pattern.
Lighting: When on, it indicates that a failure occurs in the controller (ENC side), so the controller is
inoperable.
Blinking: Normal blinking (Note 1) (CHK LED is on): An exceptional process error detected by the
ENC microprogram.
High-speed blinking (Note 2) (CHK LED is on): An exceptional process error detected by the ENC
microprogram. (stack over)
Normal blinking: (Note 1) (CHK LED is off): Indicates that FLASH write is performed during the
ENC microprogram download. (It is not in the abnormal status.)
It indicates error factors by means of number of blinks:
Low-Speed blinking (Note3)
Once: Drive +5 V voltage is abnormal.
Twice: Drive +12 V voltage is abnormal.
Five times: Battery is abnormal.
Six times: Voltage on the controller is abnormal. (Reset of the controller is not canceled)
Seven times: BS 12 V voltage is abnormal.
Nine times: Fan assembly is abnormal.
The following blinking is fast because ENC microprogram detects CUDG error:
High-speed blinking (Note4)
Once: SRAM error.
Twice: ENC hard error.
Three times: Microprogram error in flash memory.
Not blinking: Boot section error of ENC microprogram, RAM error, or ENC hard configuration error.
When on or off, it indicates the status of the cache memory backup operation.
On: Backup operation is in execution.
Off: Backup operation is not in execution.
When on, it indicates that the controller is resetting.
When on, it indicates that a failure occurs in the controller (CTL side), so the controller is
inoperable.
It indicates the status of the interface installed in the controller is normal.
It indicates the status of the interface installed in the controller is normal.
FC Interface Board
GP1 LED (Green)
LASER KLASSE 1
CLASS 1
LASER PRODUCT
RST LED (Orange)
GP0 LED (Green)
iSCSI Interface Board
Active (Yellow)
Link (Green)