Dell PowerVault 725N (Rackmount NAS Appliance) - Manual (Page 29)

Problem
l System dropped or damaged.
Action
1. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2. Remove the system cover. See " Removing and Replacing the System Cover ."
3. Check the following connections:
l Expansion-card connections to the system board
l Drive-carrier connections to the backplane board
4. Ensure that all cables are properly connected and all component connectors are properly seated.
5. Connect a keyboard, mouse, and monitor to the NAS system.
6. Replace the system cover, reconnect the system to the electrical outlet, and turn on the system.
7. Run the system board tests in the System Diagnostics. See " Running System Diagnostics ."
If the tests did not complete successfully, see " Getting Help ."
Troubleshooting the System Battery
Problem
l Error message shows problem with the battery.
l System Setup utility loses the system configuration information.
l System date and time do not stay current.
Action
1. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2. Remove the system cover. See " Removing and Replacing the System Cover ."
3. Check the connection of the battery to the system board.
See " Replacing the System Battery " in " Installing and Replacing System Components ."
4. Replace the system cover, reconnect the system to the electrical outlet, and turn on the system.
5. If the problem is not resolved by reseating the battery, replace the battery.
If the problem is not resolved by replacing the battery, see " Getting Help ."
Troubleshooting the Power Supply
Problem
l The power LED on the front of the system is not lit.
Action
1. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2. Check the connection of the power cable to the power supply and the outlet.
3. Turn on the system.
4. If the problem is not resolved, check the LED indicator code on the power supply. For more information on power supply LED indicators, see " Back-Panel
Indicators ."
5. If the problem is still not resolved, replace the power supply. See "Removing and Replacing the Power Supply."
See " Getting Help ."
CAUTION: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or equivalent type
recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions.
NOTE: When you turn on the system, press the power button for less than two seconds. If you press the power button for longer than 3 seconds,
the NAS system shuts down and automatically rebuilds its RAID arrays, which could impact system performance for several hours.
NOTE: When you turn on the system, press the power button for less than two seconds. If you press the power button for longer than 3 seconds,
the NAS system shuts down and automatically rebuilds its RAID arrays, which could impact system performance for several hours.