SR Suntour HESC ATS Rear Motor System User manual

User manual
E-Bike components
Rear wheel motor

Contents
Safety information 3
Riding the E-Bike 5
Product features and specications 6
Display / lighting 7
Battery 8
Battery charger 8
Charging the battery 9
Battery charging indicator 9
Charging possibilities 10
Battery faults 10
Inserting the battery 11
Removing the battery 11
Switching the bike ON/OFF 12
Base screen display 13
1. Current speed 13
2. Display for changing assist mode 13
3. Assist level indicator 13
4. Battery capacity 14
5.Range 14
6. Changing trip information 15
7. Changing background lighting 15
Headlight and taillight 16
Charging your smartphone 16
Overheating warning 16
Error codes 17
EC Declaration of Conformity 18

3
There is an increased risk of injury – even
fatal – if you do not follow instructions.
fUse only batteries and chargers from SR Suntour with your
bike. Use of other battery packs can cause injury and involve a
risk of re. If you use other battery packs, SR Suntour will as-
sume no liability or warranties.
fDo not throw the battery pack into a re.
fThe battery must not be exposed to direct sunlight, or charged
or stored in the vicinity of high temperatures.
fDo not use the battery for any other purpose.
fAvoid contact with metal objects (paper clips, coins, keys, nails,
screws, or other small metal objects, as this may cause a short-
circuit. Shorts caused in this way will invalidate any warranty
claims.
fDo not open the battery pack. This could cause a short circuit.
Opening of the battery package will invalidate any warranty
claims.
fDo not connect, or disconnect the battery pack / charger with
wet hands.
fKeep the battery / charger out of reach of children/animals.
Safety information
There is a risk of serious injury – even
fatal – if you do not follow instructions.
fWhile riding, do not focus your attention too much on the
screen, as this can lead to accidents.
fEnsure that the wheels are securely attached to the bike before
you begin your trip. If the wheels are not securely attached, the
bike may fall over, causing severe damage.
fWhen riding a power-assisted bike, be sure that you are
completely familiar with the starting characteristics of the bike
before riding on multilane roads and footpaths. If the bike sud-
denly switches on, accidents can happen.
fIf applicable, check that the bike lights are working before you
ride at night.
fRemove the battery pack from the eBike before you start work-
ing on it (e.g., assembly work, maintenance, working on the
chain, etc.), before transporting it by car or plane, or before
storing it.There is a risk of injury in case of accidental activation
of the eBike system.
fBe sure to remove the battery before you perform wiring or
installation work on the bike. Otherwise there is a danger of
electric shock.
fWhen you install this product, be sure to follow the instructions
given in the user manual. We also recommend that you use only
genuine SR SUNTOUR parts. If nuts and bolts are left loose or
the product is damaged, the bike may fall over suddenly and
cause serious injury.
fAfter you have carefully read the user manual, store it in a safe
place for later reference.
fEnsure that unused connections are provided with caps.
fContact a retailer for installation and adjustment of the product.
fTo allow riding in wet weather, the product is designed to be
completely waterproof. Nevertheless, do not expose the product
intentionally to water.
fDo not expose the bike to high-pressure cleaning. If water
should penetrate into one of the components, operating prob-
lems or rust may result.
WARNING WARNING
Managing the battery How safe riding is ensured
How safe riding is ensured

4
fDo not subject the battery or the charger to physical shocks, e.g.,
by dropping. Rinse in the event of accidental contact with water.
If uid gets in your eyes, seek medical advice. Fluid that leaks
from the battery pack may cause skin irritation or burns.
fIf you detect a strange odour or smoke, pull the plug.
fEnsure that the power plug is fully inserted into the wall outlet.
fPull on the plug instead of the cable to unplug the power cord
from a wall outlet.
fDo not place anything on the cable. Do not lay anything on the
cable.
fDo not bend the cable.The cable must not be rolled up while
charging.
fIt is dangerous to use a single outlet for multiple devices.
fIf the cable or plug is damaged, replace the parts with new ones.
Contact your authorized dealer.
fAlways keep your charging set away from ammable gases
when charging.
fThe charger can be hot. Do not wrap the charger.
fThe charger can be hot. Do not place the charger on oor cover-
ings such as carpets, tatamis, etc.
fThe charger can be hot. Avoid long skin contact with the
charger.
fDo not immerse the battery or the charger. Do not use in rain.
fDo not charge the battery for more than 24 hours continuously.
fIf the battery is not fully charged after six hours, disconnect it
immediately from the output to stop the charging process and
contact your place of purchase. This can lead to overheating,
bursting, or ignition of the battery.
There is a danger of personal injury or property damage
Follow the instructions in the user manual of the bike to ensure a
safe ride.
fThe battery comes with a 40% charge. Discharge and charge the
battery fully twice to reach an optimum range.
fCharge the battery before riding.
fThe charger can be used with an input voltage in the range of
100V to 240VAC.
fAfter charging pull the cable from the battery and from the wall
outlet.
fKeep the power plug clean and dust free.The charger should be
cleaned regularly.
fDo not rotate the pedals while the battery is being charged and
is on the battery holder.
fProvide ventilation/venting while the battery is charging in
enclosed spaces.
fDuring storage keep the battery at a charge level of at least 40%.
fCharge the battery at room temperature between 5°C and 35°C
(41°F and 95°F).
fExamine the battery charger regularly for damage, especially
the cable, plug and housing. If the battery charger is damaged, it
must only be used after it has been repaired.
fThis product must not be used by persons (including children)
with reduced physical, sensory or mental capabilities, or who
lack experience and knowledge, unless they are supervised by
a person responsible for their safety, or instructed in the use of
the product.
fDo not let children play near the product.
WARNING
Managing the battery
How safe riding is ensured
Managing the battery
Safe use of the product

5
Riding the E-Bike
1
2
3
4
Fit the
battery and push
the battery
ON/OFF button
Switch on
the bike
Select
mode
Start
riding
Power button Press 2 sec.
Note:
If the battery is not used for 24 hours or
longer, it will automatically go into sleep
mode. Press the power button on the
battery for three seconds.

6
Product characteristics
Display
Switch
Battery
Motor
Torque sensor
Product specifications
Operating temperature range during discharge -20°C to 60°C
Operating temperature range during charge 0°C to 45°C
Storage temperature (battery) -20°C to 45°C
Humidity (storage) up to 80%
Charging voltage 100V to 240VAC
Charging time approx. 6 hours
Battery type Lithium ion battery
Capacity 417Wh
Nominal voltage 36VDC
Motor type Rear-wheel drive
Motor type Brushless DC Motor
Nominal motor power 250W
Maximum motor power 400W
Torque 50Nm

7
Display
Information
DIST TRIP Distance travelled
DIST TOTAL Cumulative distance
BAT LEVEL Battery level
CLIMB (Assist level:4)
SPORT (Assist level:3)
CITY (Assist level:2)
ECO (Assist level:1)
NOassist (no assist level)
Assist mode
Increase assist level
Assist mode
Reduce assist
Push assistance
Backlight / Light
On / Off
Press key for two seconds
USB connector to
charge your smart-
phone
Power key
Switch
Display

8
Battery
Battery display and
on/off button
Charging port
Battery charger
WARNING
fUse only batteries and chargers from SR SUNTOUR with your
bike. Use of other battery packs can cause injury and involve
a risk of re. If you use other battery packs, we will assume no
liability or honour warranties.
fThe battery must not be exposed to direct sunlight, or charged
or stored in the vicinity of high temperatures.
fAvoid contact with metal objects (paper clips, coins, keys, nails,
screws, or other small metal objects, as this may cause a short-
circuit. Shorts caused in this way will invalidate any warranty
claims.
fDo not open the battery pack. This could cause a short circuit.
Opening of the battery package will invalidate any warranty
claims.
fDo not connect, or disconnect the battery pack/charger with wet
hands.
fKeep the battery/charger out of reach of children and animals.
fDo not subject the battery or the charger to physical shocks, e.g.,
by dropping. Rinse in the event of accidental contact with water.
If uid gets in your eyes, seek medical advice. Fluid that leaks
from the battery pack may cause skin irritation or burns.
fDo not bend the cable.The cable must not be rolled up while
charging.
fThe charger can be hot. Do not wrap the charger and place it on
oor coverings such as carpets, etc.
fIf the battery is not fully charged after six hours, disconnect it
immediately from the output to stop the charging process and
contact your place of purchase. This can lead to overheating,
bursting, or ignition of the battery.
WARNING
Connection Display Plug
TYPE F
fIf the E-Bike not in use, remove the battery and store it at a temperature between 0°C and 40°C in a dry environment.
fDo not store the battery with low capacity for a longer period.
fFor storage, the battery should have a capacity of at least 40%.
fIt is recommended to always discharge the battery completely and then fully charge it.
Lock

9
Charging the battery
Ensure that the
power plug is fully
inserted into the wall
outlet.
GREEN
RED
Every three months or after 40 sub-cycles, you should perform a complete discharge and recharge.
100%
80%
60%
40%
0%
6 Hours3 Hours0 Hours
Charging time
Charging capacity
20%
Lit
Flashing (0.5s ON / 0.5s OFF)

10
Charging alternatives
On the bike
Separate from the bike
Battery faults
Error state LED 5 LED 4 LED 3 LED 2 LED 1
Over tempera-
ture On Off Off Off Flickering for 5
sec.
Over voltage of
cell On Off Off Flickering for 5
sec. Off
Bad cell On Off Flickering for 5
sec. Off Off
Change MOS-
FET defective
or charging by
discharge port
On Flickering for 5
sec. Off Off Off
Push the button shortly. If the battery is in an abnormal state, the LEDs will display as follows.

11
Inserting the battery
Removing the battery
The battery must latch on with an
audible click.
Press 2 sec.

12
Switching the bike ON/OFF
SWITCHING ON
SWITCHING OFF
Automatic SWITCHING OFF
Press 2 sec.
Press 2 sec.
10 Minutes
Note:
If the system won’t start by pressing the displays switch, press the power button on the battery for three seconds.
Explanation: If the battery is not used for 24 hours or longer, it will automatically go into sleep mode.

13
85 to 100%
68 to 84%
51 to 67%
34 to 50%
17 to 34%
0 to 16%
Base screen display
1. Current speed
Unit: km/h
Measurement range: 0.0 to 99.9 km/h
2. Display for changing assist mode
Indication of assist level
Battery charge level
Info display
Current speed in km/h
Assist modes
3. Assist level indicator
0.1 sec
0.1 sec
Default setting
No assist
Assist level
Speed
ECO
CLIMB
CITY
SPORT
NO ASSIST
10 2015 250km/h
0%
50%
100%
6.2 12.49.3 15,50mph

14
4. Battery capacity
5. Range
Note:
When the battery charge level has reached less than 5%,
the output power will be reduced.
Factors which affect the range
The above gures are based on a speed of 20 km/h on a level road at 15°C–20°C.
The range is inuenced by many factors:
fWeight of the rider
fWeight of the luggage
fSelection of path
fExperience and concentration of the rider
fState of maintenance of the E-Bike
fType, condition and air pressure in the tires
fNature of the route
fSpeed, average speed and changes in speed
fTrafc ow, for example, stop and go
fWind direction and wind speed
For information on using the battery, see pages 3, 4 and 8.You'll also find information on how to
maintain capacity and extend duration.
Indication on battery
Indication on display
> =75% 50 to 75% 30 to 50% 10 to 30% < 10% 0%
76 to 99%
51 to 75%
26 to 50%
10 to 25%
<10%
<5%
0%
Flashing
(0.2 s ON / 0.2 s OFF)
Flashing
(0.5 s ON / 0.5 s OFF)
50km 100km
ECO
CLIMB
CITY
SPORT
30miles 62miles

15
DIST TRIP
DIST TOTAL
BAT LEVEL
DIST TRIP
DIST TOTAL
BAT LEVEL
DIST TRIP
DIST TOTAL
BAT LEVEL %
6. Changing trip information
7. Changing background lighting
0.5 sec
0.5 sec
2 sec
RESETTING
TRIP DISTANCE
(- & i) key
DIST TRIP:
Distance travelled
Unit: 0.1 km
Measurement range: 0.0 to 999.9 km
(default setting)
BAT LEVEL:
Battery charge level
Unit: %
Measurement range: 0% to 99%
DIST TOTAL:
Cumulative distance
Unit: km
Measurement range: 0 to 9999 km
Daytime (default)
100% illumination
Nighttime
50% illumination
Note:
The on and off at nighttime automatically switches the headlights on and off (if any).

16
NOT included in the delivery
Headlight and taillight (if applicable)
Charging your smartphone
Technical data
Nominal voltage 6V
Output power: 3.0 W
Overheating warning
WARNING
Power supply for external
devices via USB connec-
tor.The USB connector
allows you to charge most
devices with a USB con-
nector.
USB connector
Output: 5VDC 0.5A
Cap when not in use. Always close to
prevent the possible ingress of water.
Long and sharp gradients may cause heating of the motor.
Flashing of the "SPORT" mode indicates this.
If the engine really overheats, the system will switch itself off in
advance to protect the components.
2 sec
Power on/off

17
In the rare event of a system
malfunction, an error message will
appear on the display. If an error
message appears, turn the system
completely OFF and then ON. If the
error message still appears, contact
your local dealer for assistance.
Error codes
Error codes Error description Troubleshooting Solution
Error 00 Control unit communication
error
Remove the battery for ve min-
utes. Power on the system.
Replace control unit.
Check the
display contacts and
the display holder.
The display or
the display holder
need to be replaced.
Check the
display cable between
the control unit and the display.
Display holder
needs to be replaced.
Error 01 Control unit overheating. Let control unit cool. Replace control unit.
Error 04 Bike
lighting problem.
Check the
lighting system of the bike.
Error 05 Control unit
data error.
Remove the battery for ve min-
utes. Power on the system.
Replace control unit.
Error 11 Display
communication error.
Check display holder contacts
and cables.
Replace display or display
cable.
Error 21 Torque sensor electrical
problem
Check the
sensor contacts.
Replace sensor unit on
crank.
Replace crank.
Error 22 Torque sensor
mechanical problem
Check the
sensor contacts.
Replace crank.
Error 32 Overcurrent fault Check the
battery contacts, also in the
control unit.
Replace control unit.
Error 34 Overvoltage fault Check the
battery contacts, also in the
control unit.
Replace control unit.
Error 41 Motor
overheating fault
Let motor cool. Motor or motor cable
needs to be replaced.
Error 42 Motor sensor fault Motor or motor cable fault Motor or motor cable
needs to be replaced.



Contact
SRSUNTOUR Europe GmbH (Sales and Service)
Riedstrasse 31
83627 Warngau
Germany
Opening times: Monday – Friday 9 am – 5 pm
General phone: +49 8021 50793-0
E-Bike phone: +49 8021 50793-15
Spare parts phone: +49 8021 50793-11
Fax: +49 8021 50793-29
Email: service@srsuntour-cycling.com
hesc@srsuntour-cycling.com
SRSUNTOUR Düsseldorf GmbH (Sales)
Kieshecker Weg 153
40468 Düsseldorf
Germany
Phone: +49 2119 84366-22
Fax: +49 2119 84366-23
SR SUNTOUR
HESC User Manual
Published: 2014, 12 November
www.srsuntour-cycling.com
http://www.facebook.com/srsuntour
Table of contents
Other SR Suntour Bicycle Accessories manuals

SR Suntour
SR Suntour COIL SPING Series User manual

SR Suntour
SR Suntour NRX Series User manual

SR Suntour
SR Suntour NCX 2019 User manual

SR Suntour
SR Suntour AURON User manual

SR Suntour
SR Suntour RUX RC2 DH User manual

SR Suntour
SR Suntour REAR SHOCK User manual

SR Suntour
SR Suntour RAIDON User manual

SR Suntour
SR Suntour V-Boxx FR9 User manual

SR Suntour
SR Suntour HESC User manual

SR Suntour
SR Suntour HESC User manual