Service manual

3-12 Sun StorEdge D240 Media Tray Installation, Operation, and Service Manual • August 2001
3.6.2 Hardware Problems
TABLE 3-7 lists problems that can occur, how to determine the cause of a problem,
and the action to take to fix it.
TABLE 3-7 Troubleshooting the MediaTray Hard Drives
If Then Action(s)
A single hard drive is
not responding.
Make sure the SCSI cable(s)
is firmly connected. Check
for bent pins on the
connector.
Connect the SCSI cable(s) securely.
Check the connection
between the disk drive
connector and the
connector to the main logic
board.
Make sure the drive is seated in the correct drive
bay.
Make sure the drive is pushed all the way in and
that the bracket handle is latched correctly.
If you have checked all of
the above and the drive
still does not respond...
Replace the drive.
Left and right drive LED
does not light.
Determine if you have a
bad drive in the drive bay.
Replace the drive.
If the drive is functional,
but the LED still does not
display, the LED may need
to be replaced.
Replace the drive with sled assembly.
Hard drives are not
responding or will not
boot.
Check the unit to
determine if it is receiving
power, and that the power
supply assemblies are
functioning.
1. On the rear of the unit, verify that AC power is
available to both power supplies.
2. Check that the DC output LED is lit (green) for
both power supplies. If not, then go to step 3.
3. Check that the fault LED is lit (amber). If it is lit,
replace the power supply. If both fault LEDs are lit
(one on each power supply), check for a power
fault in one of the four media slots. If the fault
cannot be resolved, contact an authorized Sun or
other service provider to replace the media tray.
Note - To clear faults, power must be cycled to each
power supply.
System Fault is amber
and the Power indicator
is still green.
Check Power Supply
Indicators at theback of the
unit.
1. AC indicator on
DC indicator on
Fault Indicator on
Internal cooling problem with the power supply.
Replace the power supply.