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| Symptom | FRU/Action |
|---|---|
| The green light for the power switch | 1. Verify that the power cord to the 3517 has continuity. |
| is not on, and/or the power supply | 2. Verify that the power source has been wired correctly |
| and fan is not running. | 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 light is flashing, and the | 1. Press the power switch on the hot-swap hard disk |
| yellow light is off for all | drive in hot-swap bay 0. |
| hot-swap hard disk drives. | 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 drives to turn their | |
| green lights on. The green light should not be flashing. | |
| The green ligt for the power switch is | 1. Verify that the system SCSI cable is |
| on, and the green light on all hot-swap | correctly connected to the 3517 storage unit |
| hard disk drives is not flashing, but | and the system |
| no devices are available to the system. | 2. Verify that the internal SCSI 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 | |
| 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 still a 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. (tape) | |
| c. Send the command from the system to spin-up the | |
| drives. Refer to the systems 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 step 5, 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. | a. Hot-swap hard disk drive. |
| One hot-swap hard disk drive is not | 1. Verify that the hot-swap hard disk drive carrier |
| available to the system | 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 systems 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 | 1. Verify that all cables are properly connected |
| available to the system. | 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. | |
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