Ground Control Console Display Gauge - Machines Using Diesel Exhaust Fluid (Def) - JLG 1850SJ Service And Maintenance Manual

SECTION 6 - JLG CONTROL SYSTEM
Ground Control Console Display Gauge - Machines
using Diesel Exhaust Fluid (DEF)
(See Figure 6-5., Ground Control Console Display Gauge)
The Display Gauge shows engine hours, fuel level (if appli-
cable), and Diagnostic Trouble Codes (DTCs) from both the
JLG Control System and the engine control system. During
machine start up, with no active DTCs in the control sys-
tem, the splash screen will show for 3 seconds and then
switch to main screen. If there is an active DTC while pow-
ering up the machine, the splash screen will show for 3 sec-
onds, and then launch the Diagnostics Screen. The
indicator lamp will light when there is an active DTC in the
Fault Log.
Figure 6-2. Splash Screen
The Diagnostic Screen will show active and inactive faults
from the JLG Control System on the screen. An asterisk (*)
will be displayed to show active faults.
D IAG N O S TIC C O D E S
Figure 6-3. Diagnostic Screen
6-6
The Engine Diagnostics Screen will show SPN (Suspect
Parameter Number), FMI (Failure Mode Identifier), and
Occurrence count information. Engine SPN text is not scrol-
lable. 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 6-4. Engine Diagnostic Screen
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