IBM System Storage DS4000, Руководство по техническому обслуживанию аппаратной части, Страница: 136 / 184

Symptom-to-FRU index
Note: The PD maps found in the IBM TotalStorage DS4000 Problem Determination
Guide provide you with additional diagnostic aids.
Use Table 50 to find solutions to problems that have definite symptoms.
Table 50. Symptom-to-FRU index for FAStT EXP15 and FAStT EXP200 storage expansion units
Problem Indicator Action/FRU
FAStT EXP200 only: Amber LED On
(Front Panel)
1. General Machine Fault
Check for amber LED on expansion unit
FAStT EXP15 only: Amber and
Green LEDs flashing (Drive)
1. Host issued a drive rebuild command
FAStT EXP15 only: Amber and
Green LEDs Off (Power supply)
1. Reseat hard disk drive
2.
Hard disk drive
Amber LED On (Drive)
1. Hard Disk Drive
Amber LED On (Fan)
1. Fan
Amber LED On (ESM board)
1. ESM board
2.
Check for fan fault LED
3. Unit is overheating. Check temperature.
Amber LED On, Green LED Off
(Power supply)
1. Turn Power Switch On
2.
Power cord
3.
Reseat Power Supply
4. Power Supply
Amber and Green LEDs On (Power
supply)
1. Power Supply
All Green LEDs Off (Power supply)
1. Check AC voltage cabinet AC voltage line inputs
2. Power Supplies
3. Midplane board
Intermittent power loss to expansion
unit
1. Check AC voltage line inputs and cabinet power components
2. Power Supplies
3. Midplane board
One or more Green LEDs Off (All)
1. Turn Power Switch On
2. Power cord
3. Reseat Power Supply
4. Power Supply
One or more Green LEDs Off (Drive)
1. No activity to the drive
2. This can be normal activity
One or more Green LEDs Off (All
Hard Disk Drives or those on one
Bus)
1. Use SCSI RAID Manager to check drive status
2. SCSI Cables
3. ESM Board
4. Midplane board
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IBM TotalStorage DS4000: Hardware Maintenance Manual