DUOTTS C29 User Manual
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Model: C29
USER MANUAL
Attention!
Please keep the instruction manual properly!
To ensure your safety, please read the instruction manual carefully before using the
electric bicycle to better understand the performance of the electric bicycle.

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Questions and answers

Dave Tomsett
February 27, 2025

While I was out on a ride this morning the electric drive stopped working in any of the assist modes apart from the P mode which still works. I have tried shutting every thing off and restarting it but power levels 1 - 5 are not working. there is a flashing sign of some sort at the top of the controller screen. The battery is fully charged. Everything was working OK until I had to stop for traffic and when I went to pull away the drive didn't come on.

1 comments:
Mr. Anderson
February 27, 2025

The DUOTTS C29 electric drive may stop working in assist modes 1-5 while still functioning in P mode due to an issue with the instrument settings. The manual warns against modifying parameters not explained in the guide, as this could prevent proper riding. If incorrect settings were changed, it might affect the assist levels while leaving P mode operational. To resolve this, resetting the instrument to default settings or consulting DUOTTS support may be necessary.

This answer is automatically generated

Pete Rumford
April 4, 2025

Does the battery charger get hit on the c29

Summary of Contents for DUOTTS C29

  • Page 1 Model: C29 USER MANUAL Attention! Please keep the instruction manual properly! To ensure your safety, please read the instruction manual carefully before using the electric bicycle to better understand the performance of the electric bicycle.
  • Page 3 THANK YOU FOR CHOOSING DUOTTS : Support@duotts.com : @DUOTTS_E : @DUOTTS : @DUOTTS : +8618988785073 : WWW.DUOTTS.COM...
  • Page 4: Table Of Contents

    -------------------------------------------------------------------------------------- WARNING ------------------------------------------------------------------------------------------------------ UNBOXING ---------------------------------------------------------------------------------------------------- WHAT'S IN THE BOX -------------------------------------------------------------------------------------- FRAME NUMBER AND MOTOR NUMBER ------------------------------------------------------------- C29 STRUCTURE INTRODUCTION --------------------------------------------------------------------- INSTALLATION OF IN TEGRAL BODY ------------------------------------------------------------------ REMOVE THE BATTERY ----------------------------------------------------------------------------------- INSTALL THE BATTERY ----------------------------------------------------------------------------------- HOW TO ADJUST THE SUSPENSION FORK...
  • Page 5: Warning

    If you notice abnormalities in any component on the bike, take it to a licensed mechanic to be repaired or replaced immediately. DUOTTS assumes no liability for harm, injury, or death of the rider. This manual is not intended to function as a detailed service manual.
  • Page 6: Unboxing

    UNBOXING Congratulations on your purchase of a new DUOTTS C29! Your bike and related accessories are inside your box, and the instructions below are meant to show you all the parts inside the box. Before removing the packing foam, please take out all the parts to confirm if there are any missing parts.
  • Page 7: Frame Number And Motor Number

    As shown in the picture. Please find the serial numbers stamped on your bike and keep records yourself. The motor number and frame number will be the proof of purchase for DUOTTS to honor the warranty. Also, if an electric bike is stolen, you can provide the frame number for law enforcement.
  • Page 8: C29 Structure Introduction

    C29 STRUCTURE INTRODUCTION ------------ ------------ ----------- ------------------------ --------------------- 1. Handlebar 2. Headlight 3. Front fender 4. Brake disc 5. Battery 6. Crank Shaft 7. E-bike Seat 8. Rear shelf 9. Rear fender 10. Motor ---- 11. Front brake lever 12. On/Off button 13.
  • Page 9: Installation Of Integral Body

    INSTALLATION OF INTEGRAL BODY 1. Adjust the Stem to the 2. Attach the handlebar to 3. Remove the front fork front and lock the screws the stem connection and protective rod and brake with an Allen key. Use an thread in the bolts. protective pad.
  • Page 10: Remove The Battery

    10. Install rear fender. 11. Press the rear fender 12. Tighten the rear shelf down and install the rear screws. rack. 13. When installing the 14. Use a wrench to tighten 15. Connect the motor foot pedal, pay attention the pedal. wires and headlight wires to distinguishing between ''R'' and ''L''.
  • Page 11 CHARGING SAFETY Do not use a charger other than DUOTTS to charge the E-Bike. When you receive the E-Bike, please charge the battery for the first time in time to ensure that the battery is fully charged when you ride it for the first time.
  • Page 12: Instrument Introduction

    INSTRUMENT INTRODUCTION ----------- ----------- ----------------- ----------- 1. Increase gear 2. Switch on/off the Long 3. Decreasing gear button for 3 seconds to start 6. Speed display 4. Multifunctional display area 5. Battery power display 8. Total driving distance 7. Gear display Caution: The meter tries to avoid unnecessary knocks.
  • Page 13: On/Off Lcd Display

    ON/OFF LCD DISPLAY Turn on the display Press and hold the'' ''button for more than 3 seconds, and the display and controller start to work. Turn off the Display and power off Press and hold the'' ''button for more than 3 seconds, and the display will be closed.
  • Page 14: Operating The Lcd Display

    OPERATING THE LCD DISPLAY Increase Pedal Assist Level Short-Press the'' ''button. Decrease Pedal Assist Level Short-Press the'' ''button. Toggle Speed, Odometer, TRIP, Trip Timer, VOL, Average Speed Press and let go of the'' ''button. Max Speed. Keep the throttle still while driving. Press Cruise Control and hold the '' '' key for 5 seconds at the...
  • Page 15: Display Setting

    DISPLAY SETTING To change display settings, hold the button simultaneously to enter into the advanced settings menu. In this menu, clicking the'' ''button will toggle between each numbered setting. To adjust the value of each setting, click the buttons accordingly. Setting Function Default...
  • Page 16: Operating Safety

    OPERATING SAFETY Before riding the bike for the first time, ensure that you have read and understood this manual. Make sure you understand how to turn on and activate the pedal assist and throttle. When first riding the bike, take care to start slowly with a low level of pedal assist, Take your first ride in a safe area away from cars, other bikers, pedestrians, or other potentially dangerous obstacles.
  • Page 17: Riding At Night

    RIDING AT NIGHT Riding at night comes with more risks than riding during the day due to decreased visibility so riders are encouraged to exercise increased caution. Before riding at night, make sure that reflectors are installed on your e-Bike. For increased visibility, also ensure the front headlight and rear tail light are turned on and adjusted such that other people on the road can see them clearly.
  • Page 18: Error Codes

    Ensure all cables and connectors at the front of the bike are securely connected or certain components may not work including the front light, the motor inhibitor switches, the LCD display, and the throttle. The motor inhibitor switches shut the motor off as soon as the rider hits the brakes. If these switches are not operational it will take longer to slow down which in some riding situations could cause injury or death to the rider.
  • Page 19: Warranty

    All Bikes should be operated in accordance with the DUOTTS owner's manual provided with the bike. DUOTTS warrants to the original registered purchaser that bikes shall be free from all defects in material and workmanship for a period of 12 months from the date of shipment when used in accordance with the owner's manual and for the purpose intended.
  • Page 20: Electric Bike Maintenance

    We will replace any parts deemed to have been damaged during shipping. Shipping damage must be reported to DUOTTS within 14 days of shipment arrival. This applies to all products including bikes and accessories. You will NOT be refunded as compensation for your time or efforts in replacing damaged parts.
  • Page 21: Lubrication

    LUBRICATION In order to keep all the mechanics in working order, you can apply lubrication on the major moving parts such as the chain. You should use a special cleaning solution to clean off the chain before applying a bike lubricant to it. This should ideally be done at least once a week if you use the bike often.
  • Page 22: Disclaimer

    DUOTTS makes no claims or guarantees that the brakes, battery, frame, motor, motor controller, LCD display, electrical cables, electrical cable housings, fasteners, grips, fork, stem, shifters, headset, seat post, seat post clamp, handlebar stem clamp, saddle, wheel hubs, handlebars, spokes, rims, tires, tubes, derailleur, freewheel, cassette, throttle, kickstand, lights, reflectors, hardware,...
  • Page 23 Facebook Instagram Twitter YouTube...

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