Symptoms: No LED indication on the accelerator after power ON (magnet attached), motorcycle is not responding.
WARNING!- If you don’t have suffcient mechanical knowledge, experience and proper tools, we strongly recommend, that you have these operations done by your selling dealer or at your local motorcycle service center! Making mistake during the disassembly or assembly of the electric system will void the warranty and may cause a hazardous situation, resulting in fire, severe injury or death and damage to property.
- For safety reasons it is strongly recommended to leave the battery discharged before handling any component of the motorcycle's electrical system!
- Do not let the battery to stay fully discharged for longer than neccessary, as it may have a negative impact on its capacity. Charge the battery after each ride.
Issue 1: Faulty controller setup- Push and hold the Torque & Speed (Mode) control button.
- Turn the motorcycle kill switch ON (magnet attached).
- All 3 LEDs on the accelerator will blink for the 1st time, for the 2nd time, for the 3rd time and after 5 seconds they will start flashing rapidly.
- Twist the accelerator to its maximum and hold it in this position.
- Release the Torque & Speed control button - the LEDs will stop flashing.
- Wait, until the LEDs will light up without flashing, then release the accelerator.
- Turn the motorcycle kill switch OFF (magnet not attached).
Issue 2: Disconnected wiring- Make sure, that the magnetic kill switch is in OFF position (magnet NOT attached) and the battery state of charge is very low.
- Place the motorcycle on a solid and level surface of a mounting stand, so that both wheels are on the ground.
- (Only for Cross Hero): Using the hex wrench #6 loosen and remove the underseat bolt, located on the underside of the upper plastic bodywork (above the rear wheel), slide the seat forward and remove it from the motorcycle.
- Using the Torx wrench #T25 loosen and remove the upper 4 bolts from the upper plastic bodywork (2 on the left side + 2 on the right side).
- Remove the upper plastic bodywork by gentle pull up.
- Using the Torx wrench #T25 loosen and remove the 4 additional bolts from the left and right plastic bodywork (2 on the left side + 2 on the right side) and with a light frame tilt on the mounting stand remove both plastic bodyworks.
- Remove the main red fuse from its socket.
- (Only for Lead-Acid battery): Check, whether the 2 cables, leading to the lower battery, have red and black ends (some older models did not have it). If not, use red insulating tape to mark the end of the cable, that leads to the positive pole of the battery, and use black insulating tape to mark the end of the cable, that leads to the negative pole of the battery. Repeat the same with the 2 upper batteries.
- Check all the connectors and the fuse for any damage, debris, oxidation or loose connection. Disconnect and clean all the connectors if necessary. Please, see the wiring schemes below and double check, that the wiring is correct (primarily for second-hand motorcycles).
- Reinstall the red fuse, removed in step #7, into its socket. A short and audible spark may appear during closing the circuit.
- With a light frame tilt on the mounting stand reinstall the left plastic bodywork and using the Torx wrench #T25 install and tighten the 2 lower bolts (5 - 6 Nm).
- Repeat the same step with the right plastic bodywork.
- Reinstall the upper plastic bodywork, align its 2 left holes with the holes on the frame and on the left side bodywork, reinstall 2 bolts and using the Torx wrench #T25 tighten them (5 - 6 Nm).
- Repeat the same step on the right side.
- (Only for Cross Hero): Install the seat by sliding it backward on the bolt, located close to the Torque & Speed control button, and align the hole in the seat and the upper plastic bodywork with its corresponding hole on the frame just above the rear wheel.
- (Only for Cross Hero): Install the seat bolt, removed in step #3, and tighten it using the hex wrench #6 (16 - 18 Nm).
- Double check, that all bolts and nuts are properly tightened.
MY2024 and newer wiring scheme:
MY2021-2023 wiring scheme:
Issue 3: Faulty kill switch- Disconnect the kill switch and use a multimeter with the circuit check function on its inner connector. The correct function is: Magnet attached = open circuit / Magnet not attached = closed circuit.
- Try to start the motorcycle without the kill switch connected. If the motorcycle starts to work, replace the kill switch.
- Reconnect the kill switch and try to start the motorcycle again.
Issue 4: Faulty accelerator- Check, whether the accelerator rotates freely and is not stuck in one position.
- Check, whether there's no water, mud or other debris on the accelerator, since it is not completely waterproof.
Issue 5: Faulty charger or battery- Ensure, that the magnetic kill switch is in OFF position (magnet NOT attached).
- Connect the charger to an electrical outlet. The LED on the charger will glow blue (Lead-Acid battery charger) or green (Li-Ion battery charger).
- Measure the charger output voltage – it should be approx. 44.5 V for Lead-Acid battery charger and approx. 42 V for Li-Ion battery charger. If the charger have no visible LED indication, or shows output voltage only when its connector is in specific position, the charger or its connector may be faulty.
- Connect the charger to the charge port on the motorcycle. The LED on the charger will glow red (Lead-Acid battery charger) or yellow (Li-Ion battery charger).
- Charge the battery to 100%, then unplug the charger. When charging is finished, the LED on the charger will glow green. If the charging process will not finish even after 12 hours, the charger or battery may be faulty.
- After 30 minutes measure the battery voltage. If the voltage is below 12 V (each from 3 Lead-Acid batteries) or below 34 V (Li-Ion battery), consider battery exchange or use a charger with recovery mode (Lead-Acid battery only) to charge each battery separately. When chainging batteries, do NOT mix old batteries with new ones!
Issue 6: Faulty charge port (jack type, MY2023 and older)- Disconnect the charger from the electrical outlet.
- Disconnect the charge port, clean it properly and use a multimeter with the circuit check function. The correct function is: Without the charger, middle and right pin on the output connector = open circuit / With the charger, middle and right pin on the output connector = closed circuit.
- Applies only for motorcycles equiped with wi-fi adapter (sold separately) - try to upload the firmware again.
- Detach the magnet from the kill switch and wait 1 minute, then attach the magnet again.
If Your motorcycle is under warranty, please register it on our website, if You have not already done so: https://www.kuberg.com/en/bike-registration
If the problem persists, please contact your dealer or KUBERG customer service (support@kuberg.com). For the fastest possible resolution please send:
- VIN of your motorcycle (it is stamped on the right side of the steering column).
- Detailed information on actions taken so far, a few photos and preferably a video.