Maintenance and Troubleshooting 4-3
Wipe the outside surface of the DAU cabinet, all power cord plugs, and dust from
around the rear fan exhaust opening with a clean dry soft cloth.
If stains remain on the outside surfaces of the cabinet, use the following guidelines:
1. Power off the DAU and unplug all power cords and interface cables.
2. Rub off stains on surfaces by using a slightly dampened cloth soaked in a mild
detergent. Do not use solvents or strong abrasive cleaners on any part of the unit.
3. After the stains are removed use a cloth soaked in plain water to remove any
residue.
4. Wipe the DAU dry.
Initial DAU Startup Problems
Incorrect installation or configuration usually causes problems that occur at initial
system startup. Hardware failure is a less frequent cause. If you have problems during
initial system startup, check the following:
! Is the DAU power cords properly connected and plugged into a NEMA 5-15R outlet
(100-120 VAC) or a NEMA 6-15R outlet (200-240 VAC)?
! Is AC power available at the outlets?
! Is the power LED on the front panel of the DAU lit?
! Are all interface cables correctly connected and secured?
If the above items are all correct, but the problem persists, refer to the
"Troubleshooting" section that follows.
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