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8.1 Countermeasures Taken when Occurrence of a Fault is Suspected If you suspect the occurrence of a fault during the use of the additional disk enclosure,
check the status based on the tables below. If a symptom which is not described in the
tables at all or the specified countermeasures cannot recover the proper operation, contact
the maintenance service agent.
The POWER LED (green) does not go on if the power switch is turned on.
Cause Countermeasures
The power cord is not connected. Check the connection of the power cord after setting
the power switch to OFF.
The AC power (100 - 240 VAC) is not
supplied.
Check whether 100 - 240 VAC ±10% (50/60 Hz) is
supplied.
The LINKUP LED (green) of the controller on the array controller connected with the FC cable
or the LINKUP LED (green) of the adapter in the disk enclosure does not go on.
Cause Countermeasures
The FC cable is not connected correctly. Insert the connector of the FC cable until a click is
heard. See Chapter 5 "CONNECTION OF
ADDITIONAL DISK ENCLOSURE".
The setting of the host bus adapter or that
of the FC-AL switch is not correct.
Provide the proper setting referring to the user's
manuals of the host bus adapter, host unit, and those of
added peripherals.
The used host bus adapter is unavailable
for the disk array unit to which the
additional disk enclosure is connected.
Use the host bus adapter available for the disk array
unit. Contact your sales agent if unknown.
The FAULT LEDs (orange) on both adapters blink.
Cause Countermeasures
The AL-PA switch on the adapter is set
incorrectly.
After setting the power switch to OFF, set the AL-PA
switches on the left and right adapters to be the same.
See Section 3.4 "Adapter".