Intellitrack; Overview Of Fuses - Hardi NAVIGATOR VPZ Instruction Book

7 - Fault Finding

IntelliTrack

FAULT
IntelliTrack steers slowly or erratically.
IntelliTrack has non-linear steering or is not following
the tractor's track.

Overview of Fuses

The fuses have a short text print nearby the socket, that refer to the function it protects. The schematic below shows an
overview of fuses and functions. Be aware that the fuse size and location can very, depending on the specific sprayer setup.
μ
ATTENTION! The recommended fuses to be used, are Littelfuse ATOF® blade fuses rated 32 V, unless otherwise
mentioned.
To verify the correct printed circuit board when inspecting a fuse, check the HARDI item number printed on the board.
Printed Circuit Board
Power Distribution Unit PDU 2
Power Distribution Unit PDU 3
* with FillStop
** with AutoSlant/AutoHeight/AutoTerrain UC7
Power Distribution Unit PDU 2
Location: Front
Sprayer: NAVIGATOR i with
IntelliTrack
Power Distribution Unit PDU 2
Location: Front
Sprayer: NAVIGATOR with manual
valves
178
PROBABLE CAUSE
Air in system.
Front potentiometer bar/springs move erratically.
Front potentiometer springs are not parallel.
PDU Board Item Assigned Sprayer
Number Function
26070200
-
-
-
26070300 -
-
-
-
-
26070200
-
-
26070200
-
-
-
CONTROL/REMEDY
Vent the Intellitrack cylinders - see "Venting the
Steering Hydraulics"
Re-arrange the spring setup, so that the
potentiometer bar moves freely.
Refit springs to parallel position and check
potentiometer reading - see "IntelliTrack Front
Potentiometer Calibration".
Fuse Socket Fuse Rating Fuse Item
Number
F1
F2 5 A* 261762
F3
F4 25 A 261605
F5 25 A 261605
F1 15 A** 28048600
F2
F3 10 A** 28048500
F4
F5
F6
F7 25 A 261605
F8 25 A 261605
F9 25 A 261605
F1
F2
F3
F4 25 A 261605
F5 25 A 261605
F1
F2
F3 5 A 261762
F4 25 A 261605
F5 25 A 261605
PCB Connector
Function
AUX 1 X1007
AUX 2 X1004
Guest (F3) X400
ECU-IO X700
ECU Master X600
AUX 1 X1004
AUX 2 X1007
Guest 1 X400
AUX SW 1 X1001
AUX SW 2 X1003
Guest 2 X500
ECU-IO 1 X700
ECU Master X600
ECU-IO 2 X800
AUX 1 X1007
AUX 2 X1004
Guest (F3) X400
ECU-IO X700
ECU Master X600
AUX 1 X1007
AUX 2 X1004
Guest (F3) X400
ECU-IO X700
ECU Master X600