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Possible cause
Electronic helm does not
turn on.
The boat cannot be
operated with the steering
wheel for electronic helm.
DTC
SPN
U1204
521999
P1823
521947
P1818
521947
P1821
522011
P1824
521948
P1819
521948
P1822
522012
C1051
521240
C1056
521256
C1060
C1057
522000
P1820
522001
C1052
521996
© 6/2016 Ilmor Marine Engines, Version 1.0
FAILURES AND CORRECTIVE ACTIONS
Action
• Joystick Control System is
operating
• Electronic helm failure
• Helm/ECU failure
• Electronic helm failure
FMI
DTC Description
CAN COM
ERROR EPV-
9
DRIVER TO
DRIVE-ECU
5
RUDDER
CONTROL
6
SOLENOID-1
CIRCUIT
6
5
RUDDER
CONTROL
6
SOLENOID-2
CIRCUIT
6
3
RUDDER
ANGLE SENSOR
4
CIRCUIT
3
SUB RUDDER
ANGLE SENSOR
CIRCUIT
4
RUDDER ANGLE
11
SENSOR FAULT
RUDDER
CYLINDER
7
CONTROL
FAILURE
RUDDER
SENSOR
13
CALIBRATION
ERROR
• Canceling the Joystick Control
System operation
• Inspect and repair
• Inspect and repair
• Inspect and replace
Alarm
message on
the display
CAN communication error
EPV-driver
Proportional valve solenoid-1
Disconnection
Proportional valve solenoid-1
Over current
Proportional valve solenoid-1
Short circuit
Proportional valve solenoid-2
The display
Disconnection
shows "CALL
SERVICE
Proportional valve solenoid-2
MECHANIC"
Over current
Consult your
Proportional valve solenoid-2
authorized
Short circuit
Ilmor dealer or
Rudder sensor - High input
distributor.
Rudder sensor - Low input
Sub rudder sensor - High
input
Sub rudder sensor - Low
input
There is too much difference
between rudder sensor and
sub rudder sensor input
values
Hydraulic cylinder failure
Rudder sensor calibration
error
Reference page
Detail
4-2
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