Kaabo Mantis stem clearance issue

[@onurakd9801]

I have also mantis 8 but i have light problem after 100km when i start give gas and run front light is start shining and also light button blue light is shining little what can be the problem can you help me there was no problem till 118km it happen in this morning

[@clemenceau4319]

Is the trouble appears every time or only when the battery is low? Could be spurious contact in the light command, water inside the controler, failure of the controler... first you can try with unplug the switch of the light, and have a look at the controller if you see any trouble.