TROUBLE SHOOTING
Your bike from Aventon Bikes is equipped with an error detection system integrated into the display and
controller. In the case of an electronic control system fault an error code should display. The following
error codes are the most common and can aid in troubleshooting. If your bike has an error code displayed
at any time it is recommended that you cease operation and contact Aventon Bikes immediately.
Components of SINCH are subject to higher wear when compared to bikes without power assistance. This
is because SINCH can travel at higher average speeds than regular bicycles and has a greater weight.
the tires, brake pads and rotors, suspension forks, spokes, wheels, and the battery.
Error Detection
Additional Information on Wear
Symptoms
Possible Causes
Most Common Solutions
1 The bike does not
work
1. Insufficient battery power
2. Faulty connections
3. Battery not fully seated in tray
4. Improper turn on sequence
5. Brakes are applied
1. Charge the battery
2. Clean and repair connectors
3. Install battery correctly
4. Turn on bike with proper sequence
5. Disengage brakes
2 Irregular acceleration
and/or reduced top
speed
1. Insufficient battery power
2. Loose or damaged throttle
3. Misaligned or damaged magnet ring
1. Charge or replace battery
2. Replace thro le
3. Align or replace magnet ring
3 The motor does not
respond when the
bike is powered on
1. Loose wiring
2. Loose or damaged throttle
3. Loose or damaged motor plug wire
4. Damaged motor
1. Repair and or reconnect
2. Tighten or replace
3. Secure or replace
4. Repair or replace
4 Reduced range
1. Low tire pressure
2. Low or faulty battery
3. Driving with too many hills, headwind, braking, and/or
excessive load
4. Battery discharged for long period of time without
regular charges, aged, damaged.
5. Brakes rubbing
1. Adjust re pressure
2. Check connection
3. Assist with pedals or adjust route
5. Adjust the brakes
5 The battery will not
charge
1. Charger not well connected
2. Charger damaged
3. Battery damaged
4. Wiring damaged
1. Adjust the connec ns
2. Replace
3. Replace
4. Repair or replace
6 Wheel or motor
makes strange noises
1. Loose or damaged wheel spokes or rim
2. Loose or damaged motor wiring
1. Tighten, repair, or replace
2. Reconnect or replace motor.
25
Error Code
De ni on
21
Abnormal Current
22
Thro le Fault
23
Motor Phase Fault
24
Motor Hall Fault
25
Brake Switch Fault or Brake Applied While Turning On
26
27
29
30
Communica on Fault
4. Contact Product support if range decline
persists.
