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PRINTER NOTE: Page size 9” x 9.25”. Align this page to top, right hand corner. Back box bleeds off
top and right edge. Left side of page extends to 9.25 inches.
Replacing the Cooling Fans
Note: There is no need to power off the DEU or the
computer system. The cooling fans are hot swappable.
1
Use the Operator Control Panel to identify the failed
fan, refer to the illustration below to identify the
components.
Fan #1
Door Latch
Fan #2
Fan #2
Power Cable
Fan #1
Power Cable
Fan #1
Power Cable
Select “Hardware Menu” from the Main Menu and
choose “Component Status.” You may need to scroll
through the list with the arrows buttons to locate
the failed component.
2
Loosen the rear door panel access screw, using a
flat-blade screwdriver.
3
Open the panel to gain access to the fans. The panel
is hinged.
4
Disconnect the fan’s power cable connector.