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© 2013 McNeilus Truck and Manufacturing, Inc.
Contender Front Loader
1.0 Introduction
When a problem or malfunction occurs, follow these steps.
The sequence below will help isolate the problem and often
permit a quick repair. If further assistance is required, refer to
the applicable section of this manual or call McNeilus Parts
and Service at 888-686-7278.
1.1 Onboard Diagnostics
This vehicle is equipped with onboard diagnostics to help
troubleshoot a problem. The error code LEDs will light up
when there is a problem.
1. To enter the diagnostic mode, press and hold both blank
buttons on the in-cab controls for ve seconds.
2. Depending on the type of error, 1 to 6 LED lights will be
displayed on the in-cab controls above the blank buttons.
3. Use the error code decal that is located on the console
inside the cab to determine what the problem is.
4. Correct the problem with the vehicle before putting it back
into service.
Troubleshooting
Tailgate Closed
Tailgate Closed
Warm Up Coil
Warm Up Coil
Extend / Retract
S
S
O
O
S
Open
Short
Open
Short
Open
Short
Fault
23
24
27
28
29
30
31
1423203
System
Body Unloader
Body Unloader
Packer Ext
Packer Ext
Packer Ret
Packer Ret
Top Door Open
Top Door Open
Top Door Closed
Top Door Closed
Standard/Option
S
S
S
S
S
S
S
S
S
S
Error
Open
Short
Open
Short
Open
Short
Open
Short
Open
Short
Open
Short
Number
9
10
11
12
13
14
15
16
18
19
20
17
Code
Tailgate Open
Tailgate Open
S
S
Open
Short
21
22
S
Not
Online
52
OEM CAN Signal
Not Present
S
Not
Online
53
Not
Online
55
Cab Switch
Panel - Signal
S
E-Stop
Condition
64
E-Stop Condition
HOC
Override
HOC
Override
65S
O
S
Not
Online
54
Ejector Dump
O
O
O
O
Ejector Dump
OEM CAN Signal
Not Present
OEM CAN Signal
Not Present
Not
Online
Cab Switch
Panel - Signal
Prox Both On