Figure 3-21
Accessing Active Trouble Codes
During normal operation, the default six-up display will be visible.
When the diagnostic gauge receives a trouble code from an engine control module, the six-up display
will be replaced with the “Warning” message. The SPN and FMI number will be displayed along with a
description of the problem. The yellow LED on the left will be illuminated as well.
IMPORTANT: Ignoring active trouble codes can result in severe engine damage.
If the arrows appear above keys A&B, there are more trouble codes that can be viewed by using the
arrow keys to scroll to the next trouble code. It will also indicate multiple “Diagnostic Messages” at the top of
the screen. Ex. (1 of 2 instead of 1 of 1.)
To acknowledge and hide the code and return to the six-up display, press the “Enter” Key.
The screen will return to the six-up display with a warning icon. The yellow LED will also remain
illuminated. The warning icon and yellow LED will remain in place until the fault condition is corrected.
To view the active code(s) again, press the “Menu” (C) key to display the “Main Menu”.
Press the “Down Arrow” (B) key two times to highlight the “Faults” option. Then press the “Enter” (E) key
to access the “Faults Menu”.
With “Active Faults” highlighted, press the “Enter” (E) key. The first “Active Fault” screen will appear.
Engine Shutdown Codes
Note: For Clarke Engine models, the only shutdown will be due to an overspeed condition.
Figure 3-22
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