Manitowoc 2250 Service And Maintenance Manual

Reference Only
POWER TRAIN 2250 SERVICE/MAINTENANCE MANUAL
7-6
Published 11-06-15, Control # 040-13
ENGINE DIAGNOSTICS (QSX 15 ENGINE)
General
The Cummins QSX15 Engine has two types of fault codes:
• Engine electronic fuel system fault codes
• Engine protection system fault codes
All fault codes are either active or inactive. Active fault codes
can be read with red engine stop light and yellow engine
warning light on the front console. Inactive faults can only be
read with electronic service tool supplied by the engine
manufacturer.
Diagnostic Lights
The engine diagnostic lights are mounted on the front con-
sole in the operator’s cab as shown in Figure 7-4
.
Engine Stop Light
When on, the red engine stop light indicates the need to
stop engine as soon as safely possible and correct the
fault.
Engine Warning Light
When on, the yellow engine warning light indicates that
engine can be run but the fault should be corrected as soon
as possible.
High Exhaust System Temperature — Tier 4 Only
See Figure 7-5 and the Operator Manual for details.
DPF ON — Tier 4 Only
See Figure 7-5 and the Operator Manual for details.
DPF Regeneration Inhibit — Tier 4 Only
See Figure 7-5 and the Operator Manual for details.
Engine Off Diagnostics
To identify active faults, proceed as follows. A laminated list
of fault codes is located in the operator’s cab.
1. Stop engine.
2. Move run/stop/run key switch to either run position to
turn on display screen.
3. Move hand throttle from low speed to high speed and
back to low speed three times within five seconds.
4. If no active faults exist, red engine stop and yellow
engine warning lights come on but don’t flash.
5. If active faults exist, the following occurs:
a. Yellow engine warning light flashes indicating that a
fault code is about to be flashed
b. There is a 1 to 2-second pause
c. Red engine stop light flashes a three-digit code to
show which active fault has been detected (see
Figure 7-6
for example). There is a 1 to 2-second
pause between each number.
CAUTION
Engine Damage Hazard!
If possible, lower lifted loads and then stop engine as
soon as possible when red engine stop light comes on.
Permanent damage can occur if engine is run while red
Engine Stop light is on. Do not run engine until fault is
corrected.
FIGURE 7-4
R
A1182
ENGINE
STOP
SYSTEM
FAULT
OPERATING
LIMIT
ENGINE
WARNING
R
A
A
FIGURE 7-5
1
3
4
5
2

Manitowoc 2250 Specifications

General

Brand	Manitowoc
Model	2250
Category	Construction Equipment
Language	English