ROLL-ROAD EMMA 3.0 Owner's Manual

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EMMA 3.0 Owner's Manual

https://roll-road.com

Table of Contents

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Do you have a question about the EMMA 3.0 and is the answer not in the manual?

Questions and answers

Christine

April 10, 2025

Error code 7 and the bike is not working. How do I fix this?

1 comments:

Mr. Anderson

April 10, 2025

Error code 7 (E07) on the ROLL-ROAD EMMA 3.0 bike indicates a motor error. To fix it:

1. Check if the motor output line is loose or damaged.
2. If loose, reconnect it properly.
3. If damaged, take the bike to a repair store for assistance.

If the problem persists, contact the distributor for further support.

This answer is automatically generated

Brian Begin

June 2, 2025

Error code 6 how do I fix it

George

May 12, 2025

Parameter settings guide

Richard schou

March 10, 2025

New Emma 3.0 head light not working and check the connection

Summary of Contents for ROLL-ROAD EMMA 3.0

Page 1 EMMA 3.0 Owner's Manual https://roll-road.com...
Page 2 Take down your serial numbers here! Bike frame number: Battery serial number: Motor serial number: If you reset a security password via Display Setting, we suggest you write it down here in case you may forget: Note: Please consult our customer service for power-on and display setup passwords.
Page 3: Table Of Contents
Contents About Manual..................................2  Basic Specifications................................3  Battery Pack Installation..............................4  Color LCD Display Manual..............................5  Safety Checklist................................22  Emma Use&Care................................25  Trouble Shooting................................33  Quality Assurance and After-Sale Service ........................34  Maintenance..................................37  Riding Limitations................................39  Online Resources ................................
Page 4: 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 Emma 3.0 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.
Page 5: Basic Specifications
 Basic Specifications Motor Bafang Sutto 1500W Rear Rack Wide and Light Aluminum Frame 6061 Aluminum Alloy Speed Sensor Torque Sensor (1-5 pedal assist levels) Drive Mode Half Twist Throttle +Pedal Assist Weight 132lb /84lb (W/O Battery) Display Pedals Wellgo 4’’...
Page 6: Battery Pack Installation
 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.
Page 7: Color Lcd Display Manual
Emma LCD Display User’s Manual - 5 -...
Page 8 Contents Ⅰ. Safety Notes Ⅱ. Overview 1. Product Name and Model 2. Product Introduction 3. Specifications 4. Function 5. Size 6. Assembly 7. Serial Code Ⅲ. Operation 1. Display Interface 1.1 Riding Interface 1.2 Setting Interface 1.3 Error Interface 2. Key Pad 3.
Page 9 3.5 Walk Assist Mode 4. Settings 1. Error Code 2. Connection IV. Version - 7 -...
Page 10 Ⅰ. Safety Notes PLEASE TAKE CAUTION WHEN USE，DO NOT PLUG OR UNPLUG THE DISPLAY WHILE YOUR E-BIKE IS POWERED ON.  AVOID CLASHES OR BUMPS TO THE DISPLAY.  AVOID USING IN HEAVY RAINS, SNOWS OR LONG EXPOSURE TO STRONG SUNLIGHT.
Page 11 Ⅱ. Overview 1. Product Name and Model Product Name: E-Bike Display Product Model: SW-M808X 2. Product Introduction SW-M808X features high-brightness anti-glare color LCD and minimalist interface, working as an ideal HMI solution for Roll Road electric bikes. 3. Specifications Working Voltage: DC 24V/36V/48V/60V/72V ...
Page 12 Speed display：(in km/h or mph)  real-time speed (SPEED), max speed (MAX), average speed (AVG) Distance：single-trip distance (TRIP), total travel distance (ODO)  Assist Mode Control and Display (3/5/9 levels)  Walk assist mode  Front light indication: front light status supported by controller. ...
Page 13 5. Size 6. Assembly Open the holder ring/rubber spacer of the display and fix the display on the handlebar, adjust it to a proper facing ① angle. Use a M4 Hex Wrench to fix and tighten the screws. Standard fixing torque: 1N·m. *Damage due to excessive fixing torque is not covered by warranty.
Page 14 ② Open the holder ring/rubber spacer of the keypad and fix it on the handlebar, adjust it to a proper facing angle. Use a M3 Hex Wrench to fix and tighten the screws. Standard fixing torque: 1N·m. *Damage due to excessive fixing torque is not covered by warranty. ③...
Page 15 - 13...
Page 16 1.2 Setting Interface Settings Parameter In the above interface: Setting Item: P01, Parameter Value: 02 1.3 Error Interface Error Mark Error Code In the above interface: Error Indicator: ERROR, Error Code: 06 - 14...
Page 17 2. Key Pad SWK2 Keypad Illustration: There are 5 keys on the SWK2 keypad, in the following instructions: is called Plus Key； is called On/Off Key； is called Minus/Walk Assist Key； is called Light Key； is called Info Key； 3. Key Operation Key operation guide as follows: Press and Hold: means press and hold the key(s) for more than 2s.
Page 18 Turn on the Display: When the display is off, press and hold the On/Off Keyto turn on the display, it will show boot interface and then enter riding interface. (If boot password is activated, enter the boot password at start). Turn off the Display: When the display is on, press and hold the On/OffKey, the display will be turned off.
Page 19 the riding interface. 4. Settings Setting Operations Enter the Settings: when the display is on, press and hold the Plus Key and the Minus/Walk Assist Key together to enter the Settings. Available setting items include: system voltage, wheel size (inch), magnetic steel number for speed gauge, speed limit etc (please refer to 4.2 Setting Items).
Page 20 ③ Save and Exit Settings：press and hold again the Plus Key and the Minus/Walk Assist Key together to exit the Settings and save the set value.The system will save and exit automatically if there’s no operation for 10s. Setting Items P00: Factory Reset: optional.
Page 21 (mph), the speed displayed will be automatically switched to corresponding value in imperial unit, however the speed limit value in the imperial unit interface won’t changeaccordingly. P09: Direct Start / Kick-to-Start  0: Direct Start (Throttle-on-demand);  1: Kick-to-Start  P10: Drive Mode Setting ...
Page 22 5. Error Code Error Code (decimal) Status Note Normal Reserved Brake Error PAS Sensor Error (Riding Mark) Not Realized Walk Assist Mode Real-Time Cruise Low Voltage Protection Motor Error Throttle Error Controller Error Communications Error BMS Communications Error Front Light Error - 20...
Page 23 6. Connection Display to Controller Controller to Display Controller Connector Pin No. Wire Color Functions Display Power Wire Red（VCC） Electric Lock Wire Blue（K） Display Ground Wire Black（GND） Display Data Receiving Wire Green（RX） Display Data Sending Wire Yellow（TX） Extended Functions- Front Light: Brown (DD): The power wire (+) of the light White (GND): The ground wire (〨) of the light.
Page 24: Safety Checklist
Safety Checklist  Safety Check Basic Steps • • Test front and rear brakes for proper function. • Brakes Ensure brake pads are not over-worn and are correctly positioned in relation to rims. • • Check that brake control levers are lubricated and tightly secured to handlebars. •...
Page 25  Safety Precautions The following safety notes provide additional information on the safe operation of your Emma 3.0 bike and should be closely reviewed. Improper operation, or failure to conﬁrm correct installation, compatibility, and maintenance of any component or accessory may result in serious injury or death.
Page 26 • suddenly engage. Therefore, please pay careful attention when riding. We suggest you use Pedal Only Mode (Pedal Assist level 0) • when you need to ride at a slow speed to cross roads, at intersections, or when pedestrian trafﬁc is present, in order to avoid accidents caused by sudden acceleration.
Page 27: Emma Use&Care
 Emma 3.0 Use and Care  Considerations for safe riding l. Please observe traffic regulations and drive it safely. Please control the speed within safe speed range (note: safe speed of this • bicycle is within 48km/h). 2. Before driving, get familiar with this Instructions first, and then perform exercise at an open site. Make sure that you fully master •...
Page 28  Methods for correct operation Driving method • 1.Keep the natural posture, and free driving can be gotten. • 2. Driving in sitting posture: please always keep your body at the center of the body to prevent load reduction of the front tire and •...
Page 29 Operation method of disc brake and considerations • (1) Operation method of disc brake Brake clearance adjustment: turn the adjusting screw which is located between the braking handle and the handlebar tube using a 2mm Allen wrench, adjust the clearance between braking pads and the braking disc until your hand feeling is comfortable. Replace the braking pad when braking pads are worn off by more than l mm or the adjusting screw of braking pads are adjusted to the end position or every half a year.
Page 30  Operation method of the charger and considerations (l) Operation method ① when charging, plug in the plug of cell box first, then that of electric supply ACl00V-230V. when charging is complete, take the counter procedures, that is, unplug the plug of electric supply ACl00V-230V, then that of cell box. ②...
Page 31 4 Do not disassemble or replace the devices inside the charger by yourself. 5 Do not charge the charger that has been fully charged. 6 Do not use the charger in an environment with flammable gas, otherwise explosion or fire will be caused. 7 Do not place the charger near water source or wet it, otherwise fire or electric shock may occur.
Page 32 reach of children. 7 You should charge the cell within 24h after it is fully discharged, and charging time should not be less than 3h. 8 Make sure that there is no short-circuit at the charging port. (4) Discharging (use) 1 Do not use the cell for purposes other than the electrical bicycle of this model, otherwise warranty will not be provided.
Page 33 2 The cell should be stored at a cool and dry environment. 3 During storage, prevent conductive objects connecting the positive pole with the negative one. 4 Do not use the cell near fire or heat source. (Do not disassemble the cell.) (6) warning 1 If the cell is found to deform or become hot, you should stop using and seek help from our company or repair department.
Page 34 Check, cleaning and maintenance  1. Check the whole bicycle at a safe place. 2. Check whether the abnormal part found the day before impacted running. 3. Braking effect of the brake: check whether the braking handle can be holding and pinching gently and whether the clearance is appropriate.
Page 35: Trouble Shooting
 Basic Troubleshooting Symptoms Possible Causes Solutions Speed-governing Too low cell Voltage Charge the cell   fault or max. Speed-governing throttle damage Go for the distributor for   speed reduced replacement Spring inside throttle goes stuck or fails ...
Page 36: Quality Assurance And After-Sale Service
Quality Assurance and After-Sale Service  1. Administration of Quality and Technology supervision In order to practically protect consumer's legal rights and Interests, perfect the civil responsibility system about product quality and perform warranty obligation and responsibility, you can enjoy 2-year warranty service from the maintenance & service station designated by the bicycle-selling unit by virtue of the warranty card, and specific provisions are as follows: 2.
Page 37 In case that the capacity fading all the 15th month as Housing damage caused by human factor of improper use, from manufacturing date is incorrect use of the charger, assembly and disassembly the lower than 40%; in case that Lithium Cell cell by yourself, using the cell at high temperature (A60x*)- 1 year the capacity fading at the...
Page 38  Safety and Care Instructions To ensure safe riding conditions and maximize e-bike longevity, you must follow the guidelines outlined below: To clean the e-bike, wipe the frame with a damp cloth soaked in a mild, non-abrasive, non-corrosive detergent mixture. Wipe or spray all •...
Page 39: Maintenance
 Maintenance ◆ Battery Maintenance 1.Don't fully drain your battery. Turn off the power when the battery charge is low. 2. Fully charge the battery after each use, no matter how much power is used. This will prolong the battery life. If the battery is not used for a long time, store the battery with a full charge and charge it once a month.
Page 40  Front Fork Maintenance 1.Always use a clean, oil-free lint-free cloth with plain or soapy water to clean your bike. To prevent water from ﬂowing into the front fork, you can turn the bike upside down. Dry with a lint-free towel after washing. Pay speciﬁc attention to the inner tube and the dust seal to reduce wear and prevent thinning of the inner tube, which can lead to signiﬁcant damage if the aluminum is exposed to air。...
Page 41: Riding Limitations
Riding Limitations  Following are some limitations needing riders’ careful attention to ensure the hub motor does not overheat or become damaged from excessive loading: Do not attempt to ride up hills steeper than 15% grade • Use the pedals to assist the motor when climbing hills and accelerating from a stop. •...
Page 42: Online Resources
 Online Resources For more information on best practices, maintenance, and more, please visit the Roll Road Bikes website (https://roll-road.com/) If you still have questions after checking out our online resources, please contact us in any of these ways: Website: https://roll-road.com E-mail: support@roll-road.com...