Trouble locating and clearing procedures -5
DMS-100 Family Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Repairing and replacing NT3X90AF cooling units
(continued)
Diagram of cooling unit
Repairing and replacing NT3X90AF cooling units
At the FSP
1
To silence the alarm, turn ON the FAN FAIL OVERRIDE switch.
At the frame
2
Remove the air intake grill and filter assembly from the front of the cooling
unit.
DANGER
Next level of support
The cooling unit configuration in the frame can
differ from the following description. If you
encounter an important difference, contact your
next level of support.
Fuses
Wiring harness
Fan
Mounting
Flanges
(Fro
nt)