Solutions
a.Replace the MOS tube;
b.Replace the battery;
a.Replace the motor;
b.Replace the motor adapter cable;
c.Replace the controller;
a.Replace the motor;
b.Replace the motor adapter cable;
c.Replace the controller;
a.Adjust the brake lever to make sure it backs properly;
b.Replace the brake lever;
c.Replace the controller;
a.Charge the battery;
b.Re-connect the battery and the controller;
c.Replace the controller;
d.Replace the display;
a.Re-connect the display and controller;
b.Replace the display;
c.Replace the controller;
Causes
Abnormal current or
damaged MOS tube;
The motor is out of
phase.
Motor hallsignal
abnormality;
Brake issue;
Undervoltage fault;
Communication error;
Error Codes
21
23
24
25
26
30
Error Tracking
When the malfunction mark shows up on the screen, the number at the center of the screen is the error
code. Please check the following causes and solutions.
13
EN