OPERATING CONTROLS AND PROCEDURES 18000 OPERATOR MANUAL
3-56
Published 12-05-17, Control # 032-23
Onboard Engine Diagnostics
Active engine faults can be viewed on the crane’s digital
display either with the engine running or with the engine off
(run/stop/run switch in RUN position). A list of fault codes is
located in the operator’s cab.
• Scroll up or down with rocker on right side of digital
display screen until Engine Diagnostics screen appears.
• Corresponding flash code for each active fault will
appear next to FLASH CODE as shown in Figure 3-41
.
The screen will automatically scroll through each fault at
two-second intervals if more than one fault exists.
DPF Diagnostics — Cummins QSX 15 (Tier 4)
See Figure 3-42 for the following procedure.
DPF High Temperature
GLOWS YELLOW to alert crane operator that the exhaust
system temperature is higher than normal due to DPF
regeneration.
DPF Condition (Tier 4)
Displays one of three conditions if the Regeneration Inhibit
switch is on (reference the Engine Manufacturer’s Manual for
additional information):
• GLOWS YELLOW when DPF is active and starting to fill.
Turn off regeneration inhibit switch. No immediate
action is required.
• FLASHING when DPF is nearly full. The operator may
sense a reduction in power. Turn off regeneration
inhibit switch. Perform a manual stationary
regeneration of the DPF at earliest convenience.
• OFF when DPF is full and Red Engine Stop Light is ON.
The soot level is critically high and past the point of a
manual stationary regeneration. The operator will notice
a significant reduction in engine power. Turn off
regeneration inhibit switch and shut down crane. Do
NOT perform a manual stationary regeneration. The
DPF must be removed from the crane and physically
cleaned, and the Red Engine Warning Light can only be
cleared by a Cummins Service Technician (see Engine
Manufacturer’s Manual for details).
DPF Regeneration Inhibit (Tier 4)
GLOWS YELLOW when active regeneration has been
stopped by pressing the Inhibit function (bottom) of the
regeneration switch (A8). Excessive use of regeneration
inhibit will result in the need to service or replace the DPF.
DPF Regen/Inhibit Switch
See A – Engine Controls for operation procedure.
WARNING
High Exhaust Temperatures!
Active DPF Regeneration can occur at low engine idle as
well as during crane operation. This may result in high
exhaust temperature. Always keep personnel well away
from the exhaust to prevent injury and possible death.
FIGURE 3-41
ENGINE DIAGNOSTICS
FLASH CODE: 235 FMI: 02SPN: 102
Flash Code
These Codes for
Factory Use Only
Tier 4 DPF Diagnostics
Item Description
1 Engine Stop Light — Red
2 Engine Warning Light — Amber
3 Engine Maintenance Light — White
4 DPF Regen/Inhibit Switch (not shown)
5 DPF High Temperature — Amber
6 DPF Regen On — Amber
7 DPF Inhibit On — Amber
FIGURE 3-42
1
5
6
7
2
3
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