Trouble locating and clearing procedures (continued) 1-47
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Repairing an NTBX63AA cooling unit on the bench top
(continued)
Summary of Repairing an NTBX63AA cooling unit on the bench top
This flowchart summarizes the
procedure.
Use the instructions that follow
this flowchart to perform the
procedure.
Start
Defective
harness?
End
Y
N
Turn power off
Repair wiring
harness
Remove
cooling unit
Y
Defective
fan?
Y
Replace fans
Defective
air flow
sensor?
Replace air
flow sensor
Y
N
N
No de-
fect
found?
N
Contact next
level of support