Diagnostic Screen - JLG 1850SJ Operation And Safety Manual

The Diagnostic Screen will show active and inactive faults from
the JLG Control System on the screen. An asterisk (*) will be dis-
played to show active faults.
DIAGNOSTIC CODES
Figure 3-8. Diagnostic Screen
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SECTION 3 - MACHINE CONTROLS AND INDICATORS
The Engine Diagnostics Screen will show SPN (Suspect Parameter
Number), FMI (Failure Mode Identifier), and Occurrence count
information. Engine SPN text is not scrollable. If there is more
than one engine trouble code, the operator must exit from the
Engine DTC Screen to see other SPN and FMI information.
Figure 3-9. Engine Diagnostic Screen
– JLG Lift – 3-15