ROLL-ROAD EMMA User manual

EMMA Owner's Manual
http://roll-road.com

Take down your serial numbers here!
Bike frame number:
B
Battery serial number:
Motor serial number:
If you reset a security passcode via Display Setting,
we suggest you write it down here in case you may forget:

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Contents
About Manual.....................................................................................................................................................................2
Basic Specifications..........................................................................................................................................................3
Battery Pack Installation...................................................................................................................................................4
Color LCD Display Manual.........................................................................................................................................5
Safety Checklist................................................................................................................................................................30
Emma Use&Care...............................................................................................................................................................32
Trouble Shooting...............................................................................................................................................................36
Quality Assurance and After-Sale Service ......................................................................................................................37
Maintenance.......................................................................................................................................................................39
Riding Limitations..............................................................................................................................................................40
 Online Resources...............................................................................................................................................................40

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About Manual
This manual contains details of the product, information on its operation and maintenance, and other helpful tips for owners. Read it carefully and familiarize yourself with
the Roll Road e-bike before using it to ensure safe use, reduce risk of damage and premature wear, and prevent accidents. Be sure to retain this manual as your convenient
Roll Road e-Bike information source.
This manual contains many Warnings and Cautions concerning safe operation, and consequences if proper setup, operation and maintenance guidelines are
not followed. All information in this manual should be carefully reviewed.
The safety grade color of Caution is
orange, and if not avoided, may result in
moderate or serious injury.
Users should also pay special attention to
information marked in this manual
beginning with “NOTICE”
The safety grade color of Warning is red, and if not avoided will likely result in serious
injury or death.
Because it is impossible to anticipate every situation or condition which can occur while riding, this manual makes no representations about the safe use of our bicycles
under all conditions. There are risks associated with the use of any bicycle which cannot be predicted or avoided, and which are the sole responsibility of the rider. You
should keep this manual, along with any other documents that were included with your bicycle, for future reference, however all content in this manual is subject to change
or withdrawal without notice. Visit http://roll-road.com/ to download the latest version. Assembly and first adjustment of your Roll Road e-Bike requires special tools and skills,
and it is recommended that this be performed by a trained bicycle mechanic if possible
.

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Basic Specifications
Frame
JYL 6061 Aluminum Alloy
Pedal Assist
Torque Sensors/0-5 level pedal assist
Drive Mode
Half Twist Throttle +Pedal Assist Mode
((individually 5 Levels)
Pedals
Wellgo
Display
Color LCD Display with USB port
Weight
93 lbs(with battery)
Color
White/Black Frame
Length*Width*Height
67*29*43.3 In
Battery
48V 20Ah Lithium Battery with USB port
Fender
Full fenders
Fork
Hydraulic suspension /Soft and Hard Adjustable
Lockout
Lights
1200 lumen LED headlight, water-flowing front
and rear turn signals
Shift System
Shimano 7-Speed Gear Shift System
Suspension
Full Suspension
Tire
Kenda 20”*4” In
USB Charging Port
Yes
Chain
KMC
Cruise Control
Yes
Brake
180mm Hydraulic Disc Brakes
Total Payload
Capacity
450 lbs
RIM
Aluminum Alloy Spoke Rim
Charging Time
6-8 Hours

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Battery Pack Installation Guide
1. After putting the battery into the slot correctly, push it downward into the lock, then push the battery into the frame and lock it;.
2. Notice: the key must be pulled out. (Otherwise the key may be crushed when turning the fork).
NOTICE: Before assembling your bike, it’s recommended to remove the battery for the reasons outlined below:
1. Determine if there’s battery drain or damage during shipping.
2. Reduce the weight of the e-bike to make it easier to maneuver the bike while assembling.
3. Avoid battery damage during the assembly process.

5
Emma LCD Display User’s Manual
TABLE OF CONTENTS
◆1. PRODUCT NAME AND MODEL NUMBER..................................................................................................................................................
◆2. SPECIFICATION................................................................................................................................................................................................
◆3. APPEARANCE AND SIZE...............................................................................................................................................................................
◆4. FUNCTION OVERVIEW AND FUNCTIONAL AREAS................................................................................................................................
• 4.1 FUNCTIONAL OVERVIEW.....................................................................................................................................................................
• 4.2 FUNCTIONAL AREAS............................................................................................................................................................................
• 4.3 BUTTON DEFINITIONS..........................................................................................................................................................................
◆5. ROUTINE OPERATION....................................................................................................................................................................................
• 5.1 POWER ON/OFF......................................................................................................................................................................................
•
5.2 DISPLAY INTERFACE SWITCHING....................................................................................................................................................
• 5.3 WALK BOOST MODE.............................................................................................................................................................................
•
5.4 TURNING ON/OFF LIGHTS...................................................................................................................................................................
• 5.5 PAS LEVEL SELECTION.......................................................................................................................................................................
•
5.6 BATTERY LEVEL DISPLAY..................................................................................................................................................................
• 5.7 ERROR CODE DISPLAY........................................................................................................................................................................
◆6. PERSONALIZED PARAMETER SETTINGS................................................................................................................................................
• 6.1 BACKLIGHT BRIGHTNESS..................................................................................................................................................................
•
6.2 METRIC AND IMPERIAL SETTING.....................................................................................................................................................
•
6.3 RATED VOLTAGE SETTING.................................................................................................................................................................
• 6.4 AUTO SLEEP TIME SETTING...............................................................................................................................................................
•
6.5 PAS LEVEL SETTING.............................................................................................................................................................................
•
6.6 WHEEL DIAMETER SETTING...............................................................................................................................................................
• 6.7 NUMBER OF SPEED SENSOR MAGNETS SETTING.....................................................................................................................
• 6.8 SPEED LIMIT SETTING..........................................................................................................................................................................
• 6.9 START-UP SETTING...............................................................................................................................................................................

6
• 6.10 DRIVE MODE SETTING.......................................................................................................................................................................
• 6.11 PEDAL ASSIST SENSITIVITY SETTING..........................................................................................................................................
• 6.12 PEDAL ASSIST STRENGTH SETTING..........................................................................................................................................
• 6.13 NUMBER OF PEDAL ASSIST SENSOR MAGNETS SETTING.................................................................................................
•
6.14 CONTROLLER CURRENT LIMIT SETTING..................................................................................................................................
• 6.15 BATTERY UNDER VOLTAGE VALUE SETTING.........................................................................................................................
•
6.16 TRIP ODOMETER RESET OPERATION........................................................................................................................................
• 6.17 CRUISE CONTROL SETTING..........................................................................................................................................................
• 6.18 SPEED RETIO SETTING...................................................................................................................................................................
◆7. SHORTCUT OPERATION................................................................................................................................................................................
• 7.1 SHORTCUT OPERATION......................................................................................................................................................................
•
7.2 TRIP ODOMETER RESET OPERATION.............................................................................................................................................
◆8. WIRE CONNECTION DIAGRAM.....................................................................................................................................................................
• 8.1 STANDARD WIRE CONNECTION SEQUENCE................................................................................................................................
◆9. PRECAUTIONS................................................................................................................................................................................................
SCHEDULE 1: ERROR CODE DEFINITION...................................................................................................................................................
◆1.Product Name and Model Number
◆2. Specification
• 36V/48V/52V power supply
• Display rated current 15mA
• Display maximum current 30mA
• Shutdown leakage current <1uA
• Supplied current to the controller 50mA
• Operating temperature -20～60℃
• Storage temperature -30 to 70°C
◆3. Appearance and Size

7
Figure 3-1 Physical picture of the YL90T-H display

8
Figure 3-2 Physical picture of the K5 control button Figure 3-3 Physical picture of the K6 control button
Figure 3-4 90T-H Front View Dimension Figure 3-5 90T-H Side View Dimension