Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for Serfas DART 500W Step-Over
Summary of Contents for Serfas DART 500W Step-Over
- Page 1 DART 500W / DART 350W OWNER’S MANUAL ® SERF AS...
- Page 2 SERFAS DART 500W / DART 350W OWNER’S MANUAL Thank you for purchasing a Serfas Dart 500W/350W ebike! Before riding, please take a moment to review these instructions. Need service or support? Visit our website for quick answers, manuals, and/or give us a call and we’ll find you a solution.
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Page 3: Table Of Contents
CONTENTS Display / Control Specifications Getting Started What’s on the Display? Using the Controls Customizing the Display • Function 01P Backlight Brightness • Function 02P Unit of Measure • Function 06P Odometer Reset Battery and Charging Maintenance and Service Storing Your Bike Safety Error Codes and Troubleshooting Additional Troubleshooting... -
Page 4: Display / Control Specifications
• Power Off Leakage Current < 1uA • Operating Current to Controller: 50mA • Operating Temperature: -18º to 65ºC • Storage Temperature: -30º to 80ºC POWER SWITCH Figure 1 Figure 3 CHARGING PORT Figure 2 M BUTTON SERFAS EBIKE OWNER’S MANUAL... -
Page 5: Getting Started
The throttle can propel you at speeds up to 20 MPH. The motor stops when you: 1) Stop pedaling 2) Squeeze the brake levers 3) Release the throttle. Simply start pedaling again and re-engage the motor. SERFAS EBIKE OWNER’S MANUAL... -
Page 6: What's On The Display
(Current / Max / Average) 5 LEVELS OF ASSIST (0: No Assist. 5: Max Assist) WALK MODE (On / Off) BACKLIGHT INDICATOR (On / Off) DISTANCE INDICATOR (Current Trip / System Mileage) VOLTAGE OUTPUT INDICATOR (Real-Time) SERFAS EBIKE OWNER’S MANUAL... -
Page 7: Using The Controls
“Super walk mode” is an even-faster version of walk mode. To use it, hold the down arrow to engage standard walk mode, then press the throttle. This is useful on very steep climbs or when towing a trailer. Use caution with both walk modes. SERFAS EBIKE OWNER’S MANUAL... -
Page 8: Customizing The Display
FUNCTION 06P - ODOMETER RESET The odometer tracks the distance you’ve ridden over the lifetime of your bicycle. Press and hold “U” for 5 seconds to reset the trip distance from a single trip. SERFAS EBIKE OWNER’S MANUAL... -
Page 9: Battery And Charging
After many charging and discharge cycles, runtime and range will be reduced. Replacement batteries are available from Serfas to extend the life of your ebike. The lifespan of the battery is about 500 charge / discharge cycles for properly maintained batteries. -
Page 10: Maintenance And Service
• Keep tires inflated to their recommended pressure (30-50 PSI / 2.0-3.5 BAR / 200-350 KPA) and check weekly. • Clean the drivetrain and lubricate the chain (monthly) SERFAS EBIKE OWNER’S MANUAL... -
Page 11: Storing Your Bike
All bicycle tubes slowly lose air over time and need to be regularly topped off to maintain proper pressure. This does not mean that your bicycle has a flat tire. Avoid allowing the tires to deflate completely during storage SERFAS EBIKE OWNER’S MANUAL... -
Page 12: Safety
Your Dart 500W is a Class III ebike, 500 watts with pedal assist up to 28 MPH and throttle up to 20 MPH. Some jurisdictions do not allow throttle controlled ebikes. Your Dart 500W/350W will run without the throttle plugged in and removed from bicycle. SERFAS EBIKE OWNER’S MANUAL... -
Page 13: Error Codes And Troubleshooting
At least one of the motor phase wires has been damaged or is temporarily disconnected. The hall sensor inside the rear hub might Motor Hall Sensor be disconnected or damaged. Service or Error replace the rear hub. SERFAS EBIKE OWNER’S MANUAL... - Page 14 Voltage bike. For example, the 36V Dart 350W battery will not work with the 48V Dart 500W, triggering the error. Poor connection between the controller Communication and the display, check all cable Error connections. SERFAS EBIKE OWNER’S MANUAL...
- Page 15 This error could also appear if you install the wrong battery on your Dart 500W/350W. Bad connection between display and Communication controller, disconnect and re-connect Error display; ensure connection does not have grit or contamination. SERFAS EBIKE OWNER’S MANUAL...
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Page 16: Additional Troubleshooting
If you need another, they are available on www.serfas.com or at partner bike shops. 5. If your bike powers up normally and shows no error messages, but will not run when you turn the pedal assist on, check to ensure the cadence sensor under the left crankarm is plugged in. -
Page 17: Battery Troubleshooting
To “wake up” the battery, please follow this procedure: 1. Put the battery on the bike. 2. Plug the charging tip into the battery. 3. Plug the charger into wall power. 4. Tap the power button on the battery once to turn it on. SERFAS EBIKE OWNER’S MANUAL... - Page 18 To correct this issue: Reduce the strain on the battery and charge the battery. If it will not take a charge, please take the previous steps to resolve the issue. SERFAS EBIKE OWNER’S MANUAL...
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Page 19: Frequently Asked Questions
You can engage the throttle at any time while you are pedaling. If you are at a dead stop, you can push the throttle, start pedaling (about one pedal revolution), then stop pedaling, and the bike will stay in throttle mode. SERFAS EBIKE OWNER’S MANUAL... - Page 20 • We suggest you do. This depends on your age, and your state. Check local laws. What rear rack fits the Serfas Dart e-bikes? • We recommend to check with your local bike shop. How should I care for my e-bike battery? •...
- Page 21 To calculate the capacity, multiply the voltage (V) used on the bike by the Ampere-Hour (Ah) rating. For the Serfas Dart 500W, for example, multiply 48V by 11.6Ah = 556.8 Wh. More Watt-Hours equals more range for your ebike.
- Page 22 Authorized Serfas Retailers. FRAMES AND FORKS: Serfas frames made from steel or aluminum (Dart e-bikes) are warranted by Serfas Bikes, 2333 W Utopia Rd, Phoenix, AZ 85027 against manufacturing defects in materials and/or workmanship for the lifetime of the original owner.
- Page 23 ® SERF AS WWW.SERFAS.COM...
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Questions and answers
I have two questions. How do I activate the head light? What is the proper PSI for the bike?