Yanmar 6LY3 series User manual
Electronic Control System: Operation Manual for 6LY3 Series Engines Page 1
Electronic Control System
Operation Manual
for 6LY3 Series Engines
MANOPLYM01
Revision 2.0
Page 2 Electronic Control System: Operation Manual for 6LY3 Series Engines
Notice to Boat Manufacturer, Installer, and Consumer
Throughout this manual, warnings are used to alert the installer/operator to special instructions concerning a
particular service or operation that may be hazardous if performed incorrectly or carelessly. Observe these alerts
carefully!
These “safety alerts” alone cannot eliminate the hazards that they signal. Strict compliance to these special
instructions when performing installation, operation, and maintenance plus “common sense” operation are the
most effective accident prevention measures.
This device should not be used as a navigational aid to prevent collision, grounding, boat damage, or personal
injury. When the boat is moving, water depth may change too quickly to allow time for you to react. Always
operate the boat at very slow speeds if you suspect shallow water or submerged objects.
Disassembly and repair of this electronic unit should only be performed by authorized service personnel. Any
modication of the serial number or attempt to repair the original equipment or accessories by unauthorized
individuals will void the warranty. Handling and/or opening this unit may result in exposure to lead, in the form
of solder.
This product contains lead, a chemical known to the State of California to cause cancer, birth defects, and other
reproductive harm.
This product has been designed to be compliant with the above Directive.
Maximum performance, and compliance with the EMC Directive, can only be ensured by correct installation. It
is strongly recommended that the installation conforms with the following standards:
APPLICABLE STANDARDS
a) ISO 8846 Small Craft-Electrical Devices
Protection against ignition of surrounding ammable gases.
b) ISO = International Standards Organization
This device meets or exceeds the applicable ABYC, ISO, and USCG safe boating rules, regulations, standards,
and guidelines.
SAFE BOATING ON THE WEB
U.S. Coast Guard www.uscg.mil
U.S. Power Squadron www.usps.org
NMEA 2000® is a registered trademark of the National Marine Electronics Association.
The information contained in this manual is believed to be accurate at the time of going to print but no responsibility, direct or consequential, can be accepted for damage
resulting from the use of this information. The manufacturers reserve the right to make changes, without notice, to any of its products.
RECREATIONAL CRAFT DIRECTIVE 94/25/EC
WARNING
WARNING
Electronic Control System: Operation Manual for 6LY3 Series Engines Page 3
Contents
System Overview..................................................................................................................................4
Helm Components..........................................................................................................................................4
Start Up.................................................................................................................................................5
Redundant (Back Up) Throttle.............................................................................................................5
Shift & Throttle Control Head Functions.......................................................................................................8
Control Head Operation ................................................................................................................................8
Operation..............................................................................................................................................9
Detailed Operation of the Control Head ........................................................................................................9
Control Head Button Functions ...............................................................................................................9
Control Station Selection .......................................................................................................................10
Indicator Dimming Feature....................................................................................................................10
Shift Disconnect.....................................................................................................................................11
Cruise Synchronization..........................................................................................................................12
Power Train Synchronization.................................................................................................................12
Split Range Throttle...............................................................................................................................13
Trolling Mode (option) ................................................................................................................................14
i5601E Digital Display Alarms/Diagnostic Code Screens ..........................................................................15
Engine Alarms ..............................................................................................................................................16
Engine Diagnostic Codes .............................................................................................................................16
Maintenance Warning...................................................................................................................................16
Diagnostics ...................................................................................................................................................17
Power Reduction Mode ................................................................................................................................17
Appendix A: i5601E Digital Display Setup......................................................................................18
“Unlocking” the Hot Keys ...........................................................................................................................19
User Settings and Factory Settings...............................................................................................................20
Quad Screen Parameters...............................................................................................................................21
Appendix B: i5601E Menu Navigation ...........................................................................................22
Appendix C: Default Settings ..........................................................................................................23
Appendix D: Fuses .............................................................................................................................24
Appendix E: Trouble Codes ..............................................................................................................24
Page 4 Electronic Control System: Operation Manual for 6LY3 Series Engines
System Overview
This dual engine electronic control system consists of the following helm equipment:
• Two Yanmar i5601E Digital Displays (one, if single engine)
• Dual Shift & Throttle Control Head (single shift & throttle control head, if single engine)
Yanmar i5601E Digital Display
The i5601E displays real-time data as well as warnings or alarms for any engine abnormality. Diagnostic codes
will be stored for future reference by a Yanmar technician.
Shift & Throttle Control Head
The Shift & Throttle Control Head selects the gear positions and the throttle settings. The Control Head has
several lights that con rm modes of operation and display warnings, if present. Buttons enable engine RPM
synchronization and shift disconnect as well as setting the brightness of the lights.
Other control con gurations with similar functions may be used.
Helm Components
Although the scope of this document relates to both single and dual engines,
the instructions within depict the more widely used dual engine con guration.
Note: Displays “Single” if
single engine con guration.
Electronic Control System: Operation Manual for 6LY3 Series Engines Page 5
Start Up
Your electronic engine control system was congured at the factory with the default settings needed to initially
start the system.
1. Connect the battery terminals and turn the master battery switches to the “ON” position. Turn the engine
control breaker switches on at the main breaker panel.
Before starting the engines for the rst time, take a moment to familiarize yourself with the shift and throttle
controls and ignition switch. With the engines not running, move the control levers over the full range until you
are familiar with the feel. Note that the detent pressure and drag can be adjusted using the adjusting screw on the
front surface of the control head. The top screw sets the detent pressure; the lower screw sets the drag.
Next, look at the ignition switch panels. The ignition switch may be a “rocker” type or conventional key type
switch. On either type there are three positions: OFF – ON – START. Normal engine shut down is achieved
by moving this switch to the OFF position.
Next to the ignition switch is an EMERGENCY STOP switch. Moving the rocker switch to the off position
(or turning the key to off) WILL result in the engine shutting down.
WARNING
In normal operating mode, the engine is started and stopped with either the key switch, or the OFF-ON-
START rocker switch. When you switch to the OFF position, the engine can take up to about 5 seconds to stop
running, allowing the engine to store certain information and make adjustments for easier restart.
In an emergency situation, you can use the Emergency Stop switch to kill all power to the engine. This will
allow you to stop at once, but will not store data and make adjustments for an easy restart. A DTC (Diagnostic
Trouble Code) will be generated and stored in the system indicating that the Emergency Stop was activated.
You will notice the next time you start, that the engine will crank over for an unusually long time. This is
normal for the engine to regain its memory and functions.
The Emergency Stop should only be used in an emergency.
2. Place the control levers in neutral and turn the PORT ignition switch to the On position -- but do not start the
engine. The green control head light will illuminate.
a. Check to see if the green light on the control head is solid or ashing. If solid, proceed to the next step. If
ashing, push the Select button to select the head. Position the control lever to neutral and the yellow light
will now come on.
b. Start the port engine.
c. Turn on the starboard ignition systems.
d. After a two-second wait, start the starboard engine.
Redundant (Back-up) Throttle
In the unlikely event that the throttle signal is lost between the helm mounted shift/throttle control head and the
engine, the system is designed to revert to the redundant or back-up throttle. First, the engine would reduce rpms
to idle speed, the digital display would show “Throttle Error,” and a small red indicator light would ash at the
key panel (or switch panel). Near the red light is a small potentiometer (looks like a volume control knob). Turn
the knob ALL the way to counter-clockwise in order to take control of the throttle. Then turn the knob SLOWLY
to clockwise - the light will glow solid. You will have control of the throttle, however, you will NOT have shift
control. At this point you must shut the engine off and restart, to return throttle control back to the shift/throttle
control head.
Page 6 Electronic Control System: Operation Manual for 6LY3 Series Engines
Start Up
When powered-up, the i5601E Digital Displays will initially display an introductory screen showing the software
revision level. They will then display one of the following four screens:
These screens show all of the key engine data and can be accessed by pushing a single button. The right-most
button allows the contrast and brightness to be set.
Electronic Control System: Operation Manual for 6LY3 Series Engines Page 7
Pressing any key acknowledges the alarm and immediately switches the display to the Alarms screen. The i5601E
continues to beep until all alarm conditions (engine faults) have cleared. Unacknowledged alarms are shown as
ashing boxes. Press any key to acknowledge alarm boxes that may still be ashing, and they will then change to
a steady highlighted state.
Alarm blocks remain highlighted as long as the alarm condition (engine fault) remains and will automatically
reset to an un-highlighted state after the alarm condition has passed.
Start Up
In the unlikely event that an engine fault occurs, a warning box appears in the
display showing the cause of the fault, and the action to take, "Press Any Key
To Continue."
Engine Diagnostic Code Summary Screen
The i5601E is an extremely versitle display.
The four-left keys can be recongured to allow the user to display whatever screens he or she desires.
For additional operational details, refer to Appenbdix A and the technical manual.
Page 8 Electronic Control System: Operation Manual for 6LY3 Series Engines
Start Up
Shift & Throttle Control Head Functions
1. With the engine running and the control head(s) in neutral, the green and yellow control head lights should
be illuminated.
2. Press the Neutral button(s) on the control head. The Neutral control head light(s) should ash.
3. Advancing the control lever to the forward detent (that is, the position identied by a “click” feel) puts the
boat in forward idle. Pushing the lever further forward increases the throttle setting. The same is true in the
reverse direction.
Note that the detent pressure and drag can be
adjusted using the adjusting screw on the front
surface of the control head.
The Shift and Throttle Control Head comes with a dual function, single lever control. A single lever control
initiates both shifting and throttle for a single engine.
4. Return the control handle(s) to the neutral position.
5. Press the Neutral control head button(s). The neutral light(s) will stop ashing and remain continuously lit.
Control Head Operation
WARNING
The boat will start to move during the next steps.
Be very cautious when rst engaging the gears to establish that forward is truly forward
and reverse is truly reverse. A quick in-and-out of gear test is recommended.
Ensure that the boat is clear of all obstacles forward and aft before conducting this test.
Electronic Control System: Operation Manual for 6LY3 Series Engines Page 9
Operation
Control Head Button Functions
The Control Head has a series of buttons and lights that add a wide range of functions to the Shift and Throttle
control system:
N: Neutral button. If the associated control head lever is in the ‘Neutral’ position, pushing this button engages/
disengages Shift Disconnect mode. If the associated control head lever is in a ‘Gear Idle’ position, pushing this
button engages/disengages Split Range Throttle.
SELECT: If the station is inactive, pushing this button activates the station. If the station is active, repeatedly
pushing this button cycles through four different indicator lamp intensities.
SYNC: Pushing this button engages / disengages the Cruise Synchronization feature when the port and starboard
control head levers are set within 10% of each other and are above 20% throttle. Note: Sync is not available on
single engine installations.
Detailed Operation of the Shift & Throttle Control Head
Page 10 Electronic Control System: Operation Manual for 6LY3 Series Engines
Control Station Selection
If your boat is outtted with multiple control stations, the Station Select feature allows you to select which station
will be used to control the boat. If your boat only has one control station, then the station will automatically be
selected upon startup when the control head levers are in Neutral. A continuously lit SELECT lamp indicates a
station is active.
STATION SELECTION: CONTROL HEAD IN NEUTRAL / IDLE
Single Station:
When rst turning the key or start switch to the "ON" position the SELECT lamp will illuminate solid green.
Multi-Station:
When rst turning the key or start switch to the "ON" position the SELECT lamp will ash and the NEUTRAL
lamp will illuminate if the control head levers are in the Neutral position. This is an indication that no specic
helm station has been selected for boat operation. By simply pushing the SELECT button at the station desired
for operation the ashing green lamp will turn continuous. This indicates control of the boat is now at this station
location. If you choose to change helm locations, simply push the SELECT button at the desired helm location
provided the control head is in Neutral.
STATION SELECTION: CONTROL HEAD IN GEAR
This system allows you to transfer helm station control while the boat is underway. With the control lever on
Station One in any position other than Neutral, press the SELECT button on Station Two. The green SELECT
light will ash ve times. During that allotted period, move the control lever on Station Two to the same relative
position as Station One. The green SELECT light will become steady, and control has been transferred.
Indicator Dimming Feature
The lamps on the Control Head(s) can be varied in intensity. If the indicator lamps are too bright and you are at
the active control station (green light on), push the SELECT button and the lamps will dim. If the lamps are still
too bright, you can continue pressing the SELECT button to cycle through the lamp intensity choices until you
nd the desired intensity.
Operation
STEP 2STEP 1
Press select button
(station select light
should flash)
Move handle(s) to
forward or reverse
throttle to match
handle location of the
active station (station
select light should
go on continuously).
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