Sublue HAGUL EZ User manual

V10
HAGUL EZ
USER MANUAL
Please carefully read this manual before
using the product and store the manual
for later reference

Contents
Product Overview
Introduction
Highlights
Packing List
Components
1
1
1
2
About This Device
Operation
Reading the Indicator Lights
Charging
2
3
3
Maintenance and Storage
Cleaning
Storage
4
4
Specifications & Parameters
Specifications
Motor Parameters
Charging Adapter
7
7
8
Common Issues and Troubleshooting 4
7
4
2
1
Safety Warning 5
Tips 6
Description of symbols:
*
Before using this device, please
fully read this user’s manual and
any other included warnings
Warning
Notice
Annotation (detailed explanation and description)
Sublue All Rights Reserved

Product Overview
Introduction
1
The Hagul EZ underwater scooter is an carefully-engineered swimming aid
designed to allow both children and adults to find joy in the water. Designed
with a long battery life of 50 minutes as well as 2 different speed levels and
multiple safety protections, it allows the user to swim effortlessly in the water.
This device is user-friendly, able to be easily controlled by first-time users to help
you enjoy the water to your hearts content.
Before using this product, please carefully check whether all items listed are
present in the package. If any items are missing, please contact Sublue or a
locally licensed agent.
Highlights
Packing List
User-friendly
This device can be effortlessly controlled by the user, and is easily started and
stopped through the convenient pressing and release of the activation button.
Powerful motor with 2 handy speed options
Users are provided with two different speed options allowing them to freely
control motor speed and achieve satisfactory results in different aquatic
environments and activities.
Extended 50 minute battery life
With its built-in lithium-ion battery, this device features an impressive battery
life, allowing users to enjoy their time in the water as long as possible.
Multiple safety protections
This device is designed with patented waterproofing, power indicators, and an
intelligent built-in battery management chip, and has been subjected to
more than 60 rigorous tests to protect you every time you take your device
into the water.
Please check whether the device or its components have been damaged
in any way.
If any external detects are present in terms of scratches, cracks, stains,
broken seals on the protective cover, broken propeller blades, etc. which
may seriously affect device operation, please avoid using the scooter
and contact Sublue or a local agent as soon as possible.
Underwater Scooter×1 Adapter & Power Cord×1 Manual×3

Components
1
5
8
2
3
1. Buoyancy chamber
2. Left start button
3. Right start button
4. Charging port
5. Propeller
6. Indicator light
7. Protective cover
8. Handle
7
About This Device
Operation Instructions
Before using the scooter, you should familiarize yourself with its use and
performance in an absolutely safe aquatic environment to fully master its
basic operations.
Command
Power on
Power off
Two-hand
activation
Switch
speed
Execution method Illustration Note
Press and hold the left
start button for 2 seconds
After powering on, the
device will activate at high
speed by default
Release either start button
to stop the scooter
The default speed status
will not be saved after the
scooter has been
powered off
The scooter will be
automatically powered off if
left idle for 10 minutes
Press and hold the left and
right start buttons with
either hand simultaneously
Press and hold the left start
button, then double-press
the right start button within
one second to switch speeds
2press
2
46
Left start button Right start button

Both LED indicators are
steadily on
All LED indicators are
off
LED A shows the speed
level
LED B represents the
power level
LED B: Green: power ≥ 70%
Solid red: 70%>Power≥30%
Flashing red: 30%>Power≥0%
Flashes 2 times per second
LED A: High speed: Red
Low speed: Green
Flashes 10 times per second
Both LED indicators are
flashing red slowly
Both LED indicators are
flashing rapidly in red
Reading the Indicator Lights
The Hagul EZ is designed with LED indicators to
track device conditions and battery power levels,
and the meanings of each indicator setting are
described below:
This means that the LED indicator flashes steadily
This means that the LED indicator is steadily lit
This means that the LED indicator is off
The color of the indicator light will change relative to power levels. Keep a
close watch on the change in battery level and recharge them as needed.
If any error alert is shown by the indicator lights, please stop using the
device and contact Suublue’s after-sales service department or a
designated dealer as soon as possible.
AB
B
A
AB
AB
AB
AB
AB
3
Charging
The Hagul EZ scooter is equipped with a built-in rechargeable lithium-ion
battery. Before using the scooter for the first time, please fully charge the battery
to ensure that it functions at optimum levels. (AC power supply: 100-240VAC,
50/60 Hz, charging temperature: 0-45℃)
Before charging this device, please remove all water, stains, and/or dirt
from the charging port.
Powered on
Powered off
Running
Running
Error alert
Will stop running
when the power
is low
Charging
Fully charged
Socket
Adapter
Led A Led B
Connect to the power supply,
and the two LED lights flash
alternately for 10S before
turning off. The adapter
indicator remains on.
Charging
indication
The two LED lights
flash alternately

Common Problems Troubleshooting
The propeller is stuck
or rotates abnormally
The device cannot be
powered on
Error prompt given by
the LED indicators
Unable to be charged
1. The equipment is powered off
2. Check whether the propeller has been entangled
by foreign objects
3. Follow the operations described in the "Cleaning"
section, then dry the device and inspect it again
4. Contact Sublue or an after-sales service agency
authorized by Sublue
1. Charge the battery to a sufficient level and and
attempt to restart it again
2. Contact Sublue or an after-sales service agency
authorized by Subluc
1. Make sure the battery is fully charged
2. Restart the device
3. Contact Sublue or an after-sales service agency
authorized by SUBLUE
1. Wipe the scooter’s charging port to remove any
residual water or dirt
2. Contact Sublue or an after-sales service agency
authorized by Sublue
Maintenance and Storage
Cleaning
Clean all components parts by rinsing or soaking in clean water.
Keep the device powered on; press and hold the
start buttons with both hands, submerge the scooter
in water for 3 seconds; repeat this action 5-10 times.
Shake the device and remove all foreign objects
attached.
Wipe off the water drops with the clean soft dry
cloth, and check if all the water on the device is
dried. (Do not dry it with the hair dryer and heater)
After using Hagul EZ in either seawater or freshwater, please clean the scooter
following the steps below:
Common Issues and Troubleshooting
4
1.
2.
3.
4.
Storage
Please ensure that the device is stored in a cool and ventilated environment
at a temperature of 0-45℃and a humidity of 65±20% RH.
Do not store in areas where it will be exposed to direct sunlight.
Keep the scooter away from high temperatures or flames, and keep it out of
the reach of the children.
Keep the scooter away from devices that may generate strong magnetic fields.
Please take out the device once a month and run it for about 10 seconds to
avoid any corrosion or deterioration that may be caused by ambient
changes in the storage environment.
Charge the battery at least once every three months.
If you don’t plan to use your scooter for an extended period, please store it
under the following conditions:
1.
2.
3.
4.
5.
6.

Safety Warning
This product cannot be used as
a life-saving equipment,
and users shall wear a life
jacket or be equipped with
life-saving equipment under all
circumstances.
Please do not face directly
the back of the propeller
under any circumstances,
and do not try to block the
water inlet and outlet sides
of the propeller.
It is strictly forbidden to use
this product beyond the
specified limit depth.
Please pay attention to the
conditions of surrounding
waters during use, to ensure
that there is no danger of
collision due to the
presence of boats and
swimmers.
Please fully understand the
waters that you want to
enter before using this
product; the user shall
ensure that swimming and
diving activities are carried
out in safe waters, and the
water management staff
agrees that this product
can be used in this area.
Before using the scooter,
thoroughly check it to see if
the battery is sufficiently
charged and the propeller
is running properly.
Use of this product is
restricted to persons above
a certain age; please read
the relevant information
herein.
For safety, the battery
should be kept at low
battery duringtransporta-
tion. Discharge it
beforehand to 30%.
Please read the user manual
carefully and know well about
the operation methods and
precautions before using this
product.
Do not put your fingers deep
into the propeller under any
circumstances, or put clothes
or other objects near the
propeller.
Do not wear loose clothes or
accessories that may be
sucked into the propeller by
water.
Please wear a swimming cap
during use, and pay special
attention to people with long
hair around to prevent
twisting the hair into the
propeller.
Please make sure that there is a
companion to look after
you within a certain distance
during use.
Please pay attention to the
remaining battery capacity
during use, and make sure to
return before “battery has run
out”.
5

Tipps
Please fully charge the battery of this product before use.
Do not drink alcohol or take drugs before and during using this product.
Try to use this product in an open place, and pay attention to prevent
clothes, algae, ropes, shark nets, shells, sand or other debris in the water from
getting into the propeller, which may cause danger.
To protect the service life of motor, please do not start it continuously for
more than 30 seconds in a non-underwater environment. In case of any
abnormal state (such as smell of burning, etc.), please immediately release
the key switch to stop the machine, and immediately disconnect the power
supply of power system and control system.
Do not use this product directly on the beach, to prevent sand, shells or other
debris from being carried into the propeller.
Please prevent the surface of product from being in contact with volatile or
acidic substances such as gasoline and rubber cement or sharp objects.
Do not place heavy objects on the top of product.
Do not throw the battery into fire. When the product is not in use, please
protect it from direct sunlight, because battery may be damaged and
explosion or leakage may be caused at high temperature.
Do not use this product at a depth exceeding its specified limit.
Adequate lighting shall be provided when diving in dark waters or at night.
This product is not suitable for waters mixed with sand or other objects of
similar physical properties.
Please do not use the machine when it fails.
Please choose whether to wear an anti-lost rope according to the buoyancy
of the product and personal usage habits.
Please take the product out of the water when it is not in use.
Only the official or authorized service personnel of Sublue are allowed to
repair the product without authorization, because incorrect repair operation
may cause water leakage, damage, fire or electric shock to the product.
Please keep a safe distance of more than 1m from others during using the
product.
If stored for a long period, check the battery at least every 6 months and
charge it to 60%.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
6

L 375 mm×W 295 mm×H 202 mm
3500 g (including a 92.88 Wh built-in battery)
315W
0-15m
High speed: 3 knots (1.4 m/s);
low speed: 2 knots (1.1m/s)
Dual LED indicator lights indicate power and
operating status
0-35℃
6450mAh
14.4V
92.88Wh
0℃-45℃
67W
2.5H
* Continuous run at high speed: 18 minutes;
* Continuous run at low speed: 25 minutes;
* Battery life at average continuous usage: 50 min.
Specifications & Parameters
Specifications
Dimensions
Weight
Operating Depth
Power
Speed
Battery life
Indicator lights
Working temperature
Battery capacity
Nominal voltage
Battery power
Ambient temperature
range for charging battery
Maximum charging power
Charging time
14.4V
310W
B continuous operation
3500rpm
Motor Parameters
Rated voltage
Power
Motor class
Maximum speed
7

67.2W
Red: Charging; Green: Fully charged
Charging Adapter
Input voltage AC100-240V 50/60Hz
16.8V 4AOutput voltage
Rated power
Charging indicator
The travelling speed at each speed level has been determined by testing, and
is subject to variations in users, water temperature, depth of water, currents,
and other water conditions, as well as mounted accessories, clothing, and
other equipment worn by the users.
The “continuous operation time” refers to the average value of the maximum
time period at which the user can run the scooter continuously from a full
charge.
The normal use time refers to the average value of the maximum time period
at which the user can run this device in a casual, non-continuous manner
from a full charge.
*
*
*
8
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