Adaptec 412R User Guide - Page 96

Common Problems and Interpreting the LEDs

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DuraStor 412R/6320SS/7320SS Installation and User's Guide Common Problems and Interpreting the LEDs Symptom Power supply status LED is illuminated. Fan status LED is illuminated. Drive status LED is not illuminated and a disk drive is present in the slot. Probable Cause I Power supply has failed. I Power supply turned OFF. I Power supply missing. I Loss of AC power to the power supply. Failed cooling fan. I Fault on the SAF-TE disk I/O card. I Faulty disk drive. I Faulty SAF-TE disk I/O card. I Faulty host I/O card. Solution I Replace the suspect faulty power supply. I Ensure that all the power supply switches are in the ON position. I Replace the missing power supply and turn it ON. I Verify that proper AC power is available to the power supplies. If the enclosure is plugged into a threehole grounded outlet, verify that power to the outlet has not been interrupted. This can be accomplished by testing the outlet with a known working appliance, such as a lamp. Replace cooling fan module. I Replace a faulty SAF-TE disk I/O card. I Replace the faulty disk drive. I Replace the faulty SAF-TE disk I/O card. I Replace the faulty host I/O card. 6-12

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6-12
DuraStor 412R/6320SS/7320SS Installation and User’s Guide
Common Problems and Interpreting the LEDs
Symptom
Probable Cause
Solution
Power supply status
LED is illuminated.
■
Power supply
has failed.
■
Power supply
turned
OFF
.
■
Power supply
missing.
■
Loss of AC
power to the
power supply.
■
Replace the suspect
faulty power supply.
■
Ensure that all the
power supply
switches are in the
ON
position.
■
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 that power to
the outlet has not been
interrupted. This can
be accomplished by
testing the outlet with
a known working
appliance, such as a
lamp.
Fan status LED is
illuminated.
Failed cooling fan.
Replace cooling fan
module.
Drive status LED is
not illuminated and a
disk drive is present
in the slot.
■
Fault on the
SAF-TE disk I/O
card.
■
Faulty disk drive.
■
Faulty SAF-TE
disk I/O card.
■
Faulty host I/O
card.
■
Replace a faulty
SAF-TE disk I/O card.
■
Replace the faulty
disk drive.
■
Replace the faulty
SAF-TE disk I/O card.
■
Replace the faulty
host I/O card.