Chapter 5 - Troubleshooting
Common Problems and Interpreting the LEDs
59
Common Problems and Interpreting the LEDs
Symptom
Reason
Solution
Channel Status LED is
illuminated amber.
Fault on the SCSI Bus.
Verify that the data cables are properly
connected and there is a valid Link
LED illuminated.
Verify that the data cable is a known
good cable. Replace the data cable.
Verify that all the disk drives are
functioning properly.
Verify that the SCSI HBA is functioning
properly.
Fault in a logical array.
Replace the failed drive component of
the logical array. After the rebuild is
complete the LED should return to
steady green.
Channel Status LED is
blinking amber and
green.
Failed RAID Controller.
Replace the RAID Controller.
Verify that the RAID Controller was not
“stopped” through the software
interface.
Power Supply Status
LED is illuminated
(amber).
Power supply has failed.
Power supply turned off.
Replace the suspect faulty power
supply.
Ensure that all the power supply
switches are in their “On” position.
Power supply missing.
Loss of AC power to the
power supply.
Replace the missing power supply and
turn it on.
Verify that proper AC power is
available to the power supplies. If the
enclosure is plugged into a three-hole
grounded outlet, verify if power to the
outlet has been interrupted. This can
be accomplished by testing the outlet
with a known working appliance, like
a lamp.
Loss of DC power to the
power supply.
Verify that proper DC power is
available to the power supplies. Test
the DC power feed system.
Fan Status LED is
illuminated steady
(amber).
Failed cooling fan.
Replace cooling fan canister.
4700S.book Page 59 Wednesday, April 6, 2005 2:14 PM
Содержание NexStor 4700S Series
Страница 2: ...4700S book Page 2 Wednesday April 6 2005 2 14 PM...
Страница 8: ...Table of Contents iv 4700S book Page iv Wednesday April 6 2005 2 14 PM...
Страница 74: ...Chapter 5 Troubleshooting Host SCSI Channel Problems 62 4700S book Page 62 Wednesday April 6 2005 2 14 PM...
Страница 90: ...Chapter 6 Maintenance Replacing the Enclosure 78 4700S book Page 78 Wednesday April 6 2005 2 14 PM...
Страница 94: ...Appendix A Technical Information Specifications 82 4700S book Page 82 Wednesday April 6 2005 2 14 PM...
Страница 108: ...Index 96 4700S book Page 96 Wednesday April 6 2005 2 14 PM...
Страница 109: ...4700S book Page 97 Wednesday April 6 2005 2 14 PM...