The index lists symptoms and the possible causes. The most likely cause is listed first. Use the index to help you decide which FRUs to have available when servicing this unit.
For additional information, refer to the 3517 Model 001 SCSI Multi-Storage Enclosure Service Guide , SY32-0400.
|
Symptom |
FRU/Action |
|
The green light for the power switch is not on, and/or the power supply fan is not running. |
1. Verify that the power cord to the 3517 has continuity.
2. Verify that the power source has been wired correctly and has the correct voltage.
3. Verify that the voltage selection switch is set to match the power source.
4. Verify that the power cord is plugged into the 3517 and the power source.
5. Verify that the power switch is on.
6. If the problem still exists, replace the power supply. |
|
The green flashing, and the yellow light is off for all hot-swap hard disk drives |
1. Press the power switch on the hot-swap hard disk drive in hot-swap light is bay 0.
2. If the green light on the hot-swap hard disk drive continues to flash, replace the cooling fan.
3. If the green light on the hot-swap hard disk drive is on and not flashing, press the power switch on the remaining hot-swap hard disk to turn their green lights on. The green light should not be flashing. |
|
The green light for the power switch is on, and the green light on all hot- swap hard disk drives is not flashing, but no devices are available to the system. |
1. Verify that the system SCSI cable. is correctly connected to the 3517 storage unit and the system.
2. Verify that the internal SCSI cable and all power cables to the backplane are correctly connected.
3. Send the command from the system to spin-up the drives. Refer to the system publications for more information. Remove the following FRUs; then run the system diagnostics after each FRU is replaced.
a. System SCSI Cable.
b. Internal SCSI cable.
c. Backplane.
4. If there is stilla problem after all the FRUs have been replaced, one of the hot-swap hard disk drives may be defective.
a. Unseat all of the hot-swap hard disk drives except the one in hot-swap bay 0. b. Disconnect the internal SCSI cable, if installed, from the
manual-plug devices.
c. Send the command from the system to spin-up the drives.
Refer to the system publications for more information.
5. If the command is successful, reseat the next hot-swap hard disk drive and send the command from the system to spin-up the drive.
6. Repeat step5 on page 15 until the failure symptom returns. Then remove and replace the FRUs in the following order, and run the
system diagnostics after each FRU is replaced.
a. Hot-swap hard disk drive carrier.
b. Hot-swap hard disk drive. |
|
One hot-swap hard disk drive is not available to the system. |
1. Verify that the hot-swap hard disk drive carrier cables are correctly connected.
2. If the green light on the hot-swap hard disk drive is flashing, press the power switch on the drive.
3. Send the command from the system to spin-up the drive. Refer to the system publications for more information.
4. If the hot-swap hard disk drive is still not available to the system, remove and replace the FRUs in the following order, and run the system diagnostics after each FRU is replaced.
a. Hot-swap hard disk drive carrier address cable.
b. Hot-swap hard disk drive carrier.
c. Hot-swap hard disk drive.
d. Backplane. |
|
One manual-plug device
is not available to the system. |
1. Verify that all cables are properly connected.
2. Send the command from the system to start the drive.
3. If the manual-plug device is still not available to the system,
exchange the FRUs in the following order; then run the system
diagnostics after each FRU is replaced.
a. Interposer on the manual-plug tape drives.
b. Manual-plug device.
c. Internal SCSI cable. |
