ZENROLL C1 - Troubleshooting Common Issues; E-bike or Motor Not Working; Performance and Display Problems; Acceleration, Speed, and Range Issues

TROUBLESHOOTING
Problems
Possible Causes
Most Common Solutions
‣
The e-bike does not work
‣
Insufficient battery power
‣
Charge the battery
‣
Battery not fully seated in tray
‣
Install battery correctly
‣
Battery aging or damaged
‣
Replace the battery
‣
Improper turn on sequence
‣
Turn on e-bike with proper sequence
‣
The motor does not
respond when the e-bike is
powered on
‣
Loose connection of the battery
‣
Reconnect the battery
‣
Loose wiring
‣
Reconnect or repair the wire
‣
Loose or damaged throttle
‣
Tighten or replace the throttle
‣
Damaged motor
‣
Repair or replace the motor
‣
Pedal assist does not work
‣
Throttle does not work
‣
Gear does not work well
‣
Brake does not work well
‣
Display does not light on
‣
Damaged speed sensor
‣
Repair or replace the speed sensor
‣
Rear derailleur mismatch
‣
Adjust rear derailleur
‣
Brake caliper mismatch
‣
Adjust brake caliper
‣
Brake Disc is bent
‣
Adjust brake disc
‣
Poor contact of display line
‣
Reconnect the display line
‣
Irregular acceleration
‣
Reduced top speed
‣
Insufficient battery power
‣
Charge or replace battery
‣
Loose or damaged throttle
‣
Replace throttle
‣
Reduced range
‣
Low tire pressure
‣
Adjust tire pressure
‣
Low or faulty battery
‣
Check connections or charge battery
‣
Driving with too many hills, headwind, braking,
or excessive load
‣
Assist with pedals or adjust route
‣
Battery discharged for long period of time
without regular charges, aged, damaged, or
unbalanced
‣
Balance the battery or replace the
battery
‣
Brakes rubbing
‣
Adjust the brakes
‣
Temperature is too low
‣
Warm the battery above 32°F (0°C)
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