Apc SGI 15000 RAID User Manual Page 133

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  • TROUBLESHOOTING
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Drive Enclosure Troubleshooting
007-5510-002 119
Under Normal conditions, the LEDs should all be illuminated constant GREEN
If a problem is detected, the color of the relevant LED will change to AMBER.
8.3.4 I/O Module
The I/O fault LEDs are explained in Table 8–4.
Under Normal conditions, the LEDs should all be illuminated constant GREEN
If a problem is detected, the color of the relevant LED will change to AMBER.
Table 8–3 DEM LEDs
Location Color LED Identifier Behavior
FRONT Enclosure Amber Enclosure fault ON with a DEM fault.
FRONT Enclosure Amber DEM fault ON with a DEM fault.
Internal (DEM)
Enclosure
Amber DEM fault ON with a DEM fault.
Internal (DEM)
Enclosure
Green DC OK ON when the DC voltage regulation is
within limits.
OFF with a DC output failure.
Internal (DEM)
Enclosure
Green Expander MIPS
ready
ON when the expander internal processor
is booted and operating correctly.
OFF when the expander internal
processor is NOT booted or ready.
Internal (DEM)
Enclosure
BLUE DEM identify ON indicates that this DEM is being sent
an identify command by the SEP.
Table 8–4 I/O LEDs
Location Color LED Identifier Behavior
FRONT Enclosure Amber Enclosure fault ON with an I/O fault.
REAR Enclosure Green I/O OK OFF when an I/O module detectable fault
is present.
INDEPENDENT of SAS link fault condition
and stays lit during a SAS link fault.
REAR Enclosure Amber I/O fault ON when a detectable fault is present in
the I/O module.
INDEPENDENT of SAS link fault condition
and stays lit during a SAS link fault.
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