Repair Handbook: Troubleshooting Roundup for Electrical System of Electric Tricycle-4
4、The motor speed is insufficient (1) Causes: ① Throttle damaged, ② Insufficient battery capacity or charging failure, ③ Controller malfunctioning, ④ Motor malfunctioning (2) Troubleshooting ① Detect the signal wire (green) voltage of the throttle; the terminal voltage should be 4.2V when the throttle is at its maximum angle. If less than 4.2V, the electrode will slow down, and the throttle should be replaced. ② Recharge the battery. ③ Replace the…