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Wrong Chart.
See Condition 1.
Unit may be running on old software.
Upgrade software to current version.
Did the software load correctly?
NO
Go To Condition 8 - Programming
Problems with PC Cards if using a
PC Card to upgrade software. Did
the software load correctly?
NO
Review the results of above
tests with your supervisor. If
necessary, go to the begin-
ning of the tree & test again.
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.
Figure 9−6 Micro Diagnostic Tree - Condition 2 - Main Power Switch On - Unit Operates But Not Properly
START HERE
The unit
NO
starts & runs.
Micro may not be configured properly.
Verify correct model number is selected
NO
in the micro via Unit Data. Did you find
and correct the condition?
YES
Did the loading of the
software correct the problem?
Check ground connectors at the
battery, starter, engine block and
YES
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?
Verify Functional Parameters and Configura-
tions are installed & correct. Did
you find and correct the condition?
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?
Are you sure unit is not operating
properly? Operate the system. Did you
find and correct the condition?
NO
Replace micro and operate system in
order to verify repair. Did you find
and correct the condition?
9−15
YES
NO
NO
NO
NO
NO
NO
NO
NO
(MPR Code #5)
YES
YES
YES
YES
System
YES
OK
YES
YES
YES
YES
YES
62-11389
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Table of Contents
Troubleshooting
