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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 disk array unit, 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 light 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,
LINKUP LED (green) of the adapter in the disk enclosure, or the LOOP STATUS LED (green) of
the host bus adapter connected with the FC cable 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 DISK ARRAY
UNIT".
The length of the FC cable exceeds the rating
value.
See Chapter 5 "CONNECTION OF DISK ARRAY
UNIT".
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.
Use the host bus adapter available for the disk array
unit. Contact your sales agent if unknown.
The FAULT LEDs (orange) on both adapters of the disk enclosure 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 3.10 "Adapter".
Summary of Contents for NF2300-SR412E
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