Service manual
9−15
62-11389
YES
NO
NO
NO
NO
(MPR Code #5)
NO
NO
YES
NO
NO
YES
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
START HERE
The unit
starts & runs.
Wrong Chart.
See Condition 1.
Micro may not be configured properly.
Verify correct model number is selected
in the micro via Unit Data. Did you find
and correct the condition?
Unit may be running on old software.
Upgrade software to current version.
Did the software load correctly?
Did the loading of the
software correct the problem?
Go To Condition 8 - Programming
Problems with PC Cards if using a
PC Card to upgrade software. Did
the software load correctly?
Check ground connectors at the
battery, starter, engine block and
inside the control box. Did you find
and correct the condition?
Check for active & inactive alarms.
Refer to Section 7 for troubleshooting
alarms. Did you find and correct the
condition?
Review the results of above
tests with your supervisor. If
necessary, go to the begin-
ning of the tree & test again.
Verify Functional Parameters and Configura-
tions are installed & correct. Did
you find and correct the condition?
System
OK
Use Pre Trip to check for any alarms.
Use the Component Test Mode (Section
5.2.2) to verify operation. Did you find and
correct the condition?
Use this manual to check for correct
operation. Did you find and correct the condition?
Download DataLink data recorder & review
unit operation. Did you find and
correct the condition?
Remove new micro & re-install
old micro back in the unit. Micro
is not the fault. Review results
of above tests with your
supervisor. If necessary, go to
beginning of tree & test again.
Are you sure unit is not operating
properly? Operate the system. Did you
find and correct the condition?
Replace micro and operate system in
order to verify repair. Did you find
and correct the condition?
Figure 9−6 Micro Diagnostic Tree - Condition 2 - Main Power Switch On - Unit Operates But Not Properly