2011 YAMAHA EC-03 Owners Manual

EC-03 FEATURES
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9 ously riding in the power mode as
compared with riding in the stan-
dard mode.

Because of the battery character,
the riding distance might be re-
duced according to the ambient
temperature due to changes of the
battery temperature.

The distance that can be traveled
becomes 5–10% shorter when the
vehicle load is increased 10 kg.
EAU50342
Effective use of the battery If the battery is left nearly fully charged
(4–5 segments shown on the battery
charge indicator) and exposed to high
temperature for an extended period, it
will rapidly deplete. To extend the bat-
tery life, handle as follows:
Choose a cool place with no direct
sunlight when charging the bat-
tery.

Do not store the battery with a
charge less than 20% (below the
last segment of the battery level in-
dicator) for an extended period of
time.

Choose a cool and well-ventilated
place without direct sunlight for
storing the vehicle.

When not used for a long period of
time, charge the battery until the
2–3 segments of the battery
charge indicator are shown and
then store the vehicle in a cool
place (optimum temperature
15 C – 25 C). Check the battery
level while the vehicle is in storage.
If the battery level drops to the last
segment, recharge the battery until2–3 segments of the battery
charge indicator are shown.
NOTICE
ECA17071
If the battery is discharged until the
battery is depleted, recharging will
not be possible and the battery willnot be usable.
Depleting battery image
Period of useUsing at high
temperature Battery
capacity
(%)
Using at normal
temperature
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EC-03 FEATURES
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EAU50351
Battery level TIPBe sure to check the battery level be-fore each ride.
Checking the battery level
Check the number of segments dis-
played in the battery level indicator.TIPWhile charging the battery, the indica-
tor shows the progress status of charg-
ing. This differs from the indication of
remaining charge when the vehicle is inuse. See page 6-9.
Battery level indicator
When the key is turned to “ON”, all seg-
ments of the battery level indicator
come on for a few seconds, and then
show a general indication of the re-
maining battery charge corresponding
to the amount of the electric output.
1. Battery level indicator
1
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EC-03 FEATURES
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9 Battery level reference table
LitFlashing
Battery level
(%)Battery level indicator
in the displayWhat to do
OK. Go ahead with riding.
OK. Go ahead with riding.
The 4th segment flashes to indicate that the remaining battery charge is now above
half level.
OK. Go ahead with riding.
Decreased ability to ascend slopes.
Charge the battery.
The last segment flashes and the beeper sounds to indicate that the remaining battery
charge is now about 10%.
Stop riding immediately and charge the battery.
There is no battery charge left and it is impossible to ride.
Charge the battery immediately.
This symbol may not be displayed depending on the battery condition.
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INSTRUMENT AND CONTROL FUNCTIONS
EAU49982
Beeper The EC-03 informs you of the following
operations and status of the vehicle us-
ing the beeper.
Key in “ON” position

Standby mode (See page 7-2.)

A control button is pushed

Security lock unlocked

Security lock unlock failed

Enters the riding mode (see
page 4-6).

Turn signals in use

Battery level is approx. 10% (See
page 3-5.)

Battery charging started
EAU10460
Main switch/steering lock The main switch/steering lock controls
the ignition and lighting systems, and is
used to lock the steering. The various
positions are described below.
EAU50000
ON
All electrical systems are supplied with
power, and the headlight, meter lighting
and taillight come on. The key cannot
be removed.TIPTo protect the battery, the EC-03 is
equipped with an auto-off function. The
power stops automatically if the vehicle
is stopped for more than five minutes.
To cancel the auto-off function, turn thekey to “OFF” and then back to “ON”
again.
EAU10661
OFF
All electrical systems are off. The key
can be removed.
WARNING
EWA10061
Never turn the key to “OFF” or
“LOCK” while the vehicle is moving.
Otherwise the electrical systems will
be switched off, which may result inloss of control or an accident.
EAU10683
LOCK
The steering is locked, and all electrical
systems are off. The key can be re-
moved.
ON
OFF
LOCK
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INSTRUMENT AND CONTROL FUNCTIONS
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9 To lock the steering
1. Turn the handlebars all the way to
the left.
2. Push the key in from the “OFF” po-
sition, and then turn it to “LOCK”
while still pushing it.
3. Remove the key.To unlock the steering
Push the key in, and then turn it to
“OFF” while still pushing it.
EAU50023
Multi-function display
WARNING
EWA12312
Be sure to stop the vehicle before
making any setting changes to the
multi-function display. Changing
settings while riding can distract the
operator and increase the risk of anaccident.
1. Push.
2. Turn.
1
2
1. Push.
2. Turn.
1 2
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INSTRUMENT AND CONTROL FUNCTIONS
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The EC-03 is equipped with a self-diag-nosis device for the battery and control
unit. When the key is turned to “ON”,
the self-diagnosis starts automatically
and all of the display segments of the
multi-function meter appear. Once the
self-diagnosis is completed, the display
automatically changes to the standby
mode. When in the standby mode,
“PUSH” starts flashing.
Push any of the following buttons to en-
ter the riding mode.When the vehicle is in the riding mode,
the operating status indicator “RUN”
and the ready indicators appear.
1. Power mode indicator “POWER”
2. Warning mark “ ”
3. Speed warning indicator “SPEED”
4. Tripmeter/odometer/temperature warning
display “Trip”/“Odo”/“HEAT”
5. Control buttons
6. Warning light
7. Battery level indicator
8. Operating status indicator “RUN”
9. Security lock indicator “ LOCK”
10.Speedometer
1
2
3
4
5 6 7 8 9 10
1. Button 1 “POWER”
2. Button 2 “SET”
3. Button 3 “SELECT”
1. Operating status indicator “RUN”
2. Ready indicators
12
3
12
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INSTRUMENT AND CONTROL FUNCTIONS
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TIPWhen the vehicle is in the riding mode,
the beeper sounds. The beeper stops
when either brake lever is squeezed orthe vehicle starts moving.
Control buttons
Button 1 “POWER”
Button 2 “SET”
Button 3 “SELECT”
The following operations and settings
are made using these buttons.
Changing from the standby mode
to the riding mode

Switching between the standard
mode and the power mode

Switching between the odometer
and the tripmeter

Resetting the tripmeter

Registering or changing the secu-
rity number

Locking and unlocking the security
lock
Speedometer
The speedometer shows the riding
speed.Tripmeter “Trip”
The tripmeter shows the distance trav-
eled since it was last set to zero. To re-
set the tripmeter, push and hold button
3 “SELECT” for a few seconds until
“0.0” is displayed.
Odometer “Odo”
Push button 3 “SELECT” for at least
one second to switch the display to the
odometer.
The odometer shows the total distance
traveled. Use the odometer as a refer-
ence for the intervals between perform-
ing periodic maintenance.
Push button 3 for at least one second to
switch the display to the tripmeter.
Temperature warning display
“HEAT”/“COOL”
The EC-03 is equipped with a tempera-
ture protection function to protect the
battery and control unit.
If a problem is detected, the tripmeter/
odometer display is canceled and
“COOL” or “HEAT” flash.

When the temperature of the bat-
tery or control unit exceeds a spec-
ified temperature, “HEAT” flashes.

When the temperature of the bat-
tery falls below a specified temper-
ature, “COOL” flashes.
TIP
When the temperature of the bat-
tery exceeds a specified tempera-
ture, “HEAT” flashes and the
driving power is reduced to limit
the electric output from the battery,
but this is normal.

When the temperature of the bat-
tery falls below a specified temper-
ature, “COOL” flashes and the
driving power is reduced to limit
the electric output from the battery,
but this is normal.

If the vehicle is ridden for an ex-
tended period in high tempera-
tures, “HEAT” may flash and the
riding speed may be reduced.

If the vehicle is ridden after it has
been left in a hot place or under di-
rect sunlight, “HEAT” may flash
and the riding speed may be re-
duced.

If the vehicle is ridden after it has
been left in an excessively cold
place (less than 0 C), “COOL”
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INSTRUMENT AND CONTROL FUNCTIONS
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9may flash and the riding speed
may be reduced.

When the battery level indicator
shows less than two segments, if
the vehicle is exposed to higher
temperatures, “COOL” may flash
and the riding speed may be re-
duced.

When riding on a long uphill
stretch, “HEAT” may flash and the
riding speed may be reduced.

When riding on a long uphill
stretch, the temperature of the
control unit may rise and “HEAT”
may flash. If you ride continually,
the operating status indicator
“RUN” goes off to protect the con-
trol unit and further riding may be
impossible, but this is not a mal-function.
The vehicle can be ridden when the op-
erating status indicator “RUN” appears
in the display, however riding speed
may be reduced. This is due to reduced
electric output from the battery be-
cause of high battery temperature.If the battery level indicator shows less
than two segments, or the electric out-
put from the battery is limited because
of the battery temperature, the riding
power is substantially reduced, but this
is not a malfunction.
When the battery and control unit have
reached their normal operating temper-
ature and the operating status indicator
“RUN” appears, the temperature warn-
ing display automatically changes back
to the tripmeter/odometer display.
If the operating status indicator “RUN”
does not appear, the vehicle cannot be
ridden.Turn the key to “OFF” and allow the
battery and control unit to cool down
before riding again.
TIPWhen the operating status indicator
“RUN” disappears and riding cannot be
continued, the temperature warning
display can be canceled by turning the
key to “OFF” and then back to “ON” af-
ter the battery and control unit havecooled down.
WARNING
EWA15630
Before pushing or moving the
EC-03, be sure to turn the key to
“OFF”. The vehicle may suddenly
1. Operating status indicator “RUN”
2. Temperature indicator “HEAT”
1
2
1. Tripmeter/odometer
1
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