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26 en | Monitoring and Maintenance DSDA iSCSI Disk Array Series
V 1 | 2008.08 Installation Guide Bosch Security Systems
7.3 Hardware Troubleshooting
7.3.1 DSA-S5B50
LEDs on front side, left:
If the Power Indicator is not lit green, the system has no power.
X Check the cables and press the power button.
If the Ethernet Link LED is not lit, no network connection is established.
1. Check if the cable is plugged in at both ends.
2. Check the cable and, if neccessary, replace it.
If the Ethernet Activity LED is blinking, data is currently being transferred.
Each disk has a Drive Status Indicator LED to the left-hand side. If it is lit amber, a drive fault
is indicated.
The drive status indicator LED on the right-hand side may show the following codes:
Each power supply has two LEDs on the rear side.
–A green blinking LED indicates that the power supply is on stand-by voltage.
–An amber lit LED indicates a power supply fault.
On the rear side, two LEDs are found next to each Ethernet port. If only one LED is lit, no
connection is established.
If the LED on the NVRAM card is lit amber, a fault is indicated.
LED Code Indications
00 Booting firmware
12 Booting ONTAP
11 ONTAP boot complete
E1 DHCP failed on both network ports
E2 Battery too low
E3 Battery broken