Error info 4 - torque sensor abnormality
-Check PAS sensor on the crankshaft, as you rotate the pedals the LED should blink.
-see the alignment of the disk to the sensor, the gap between sensor and disk should be 1-2mm and should maintain that distance.
- look for the wire damage and dirt accumulation.
Submit a Ticket Here.
We're happy to help:
Still can't find the solution?
Or
Connect with our agents through live chats 
Related Articles
Error info 2 - motor hall sensor abnormality
- Check for motor cables from wheel axel which might be damaged. Check for any kind of stretch wires or damaged cables from motor to controller.Error info 5 - speed sensor abnormality
- check for motor cables which might got damage.Error info 1 - throttle abnormality
-Make sure the throttle level is in ideal state and don’t apply throttle while booting up system. - Check the cables, wire can be stretched or damaged or the three-pin throttle connector could have been damaged. -Check the 9-pin connector on the ...Is torque sensor pedal assist system (PAS) better than motion sensor?
Generally speaking torque sensor is a more sophisticated technology which is getting a good performance and feedback on electric bikes such as those integrated with Bosch, Shimano or Yamaha ebike motor systems. Torque sensor should have an integrated ...0x30 Communication Error
-Communication main cable disconnection issue. The pin of the cable might be twisted or damaged. Please open the connection and check the pins of the cable. There are other sensor issues like speed, but we only see 30H error on the display. We never ...