Unable to drive though power indicator appears normal
（1）Motor was not engaged （2）Battery being charged and power cord was not unplugged （3）Electrical system breakdown
2
Unable to drive and power indicator shows no power
（1）Battery is depleted （2）Circuit breaker tripped（3） Damaged Lock （4）Poor battery connection （5） Electrical system breakdown （6）For DZ system, this might be because of turning on the power switch too
quickly （7）Poor connection of the upper PCB control
3
Unable to operate and the power indicator is off
（1）Connection to power outlet is damaged （2）Extension cable is damaged （3）Damaged battery charger（4）Broken battery charger fuse
4
Battery charger failed to function (red indicator turns on but yellow indicator is off
（1）Broken battery charger fuse（2）Connector is not plugged tightly （3）Broken connector （4）Damaged scooter onboard charger （5）Damaged battery charger （6）Battery connector is not properly plugged （7）Circuit breaker tripped
5
The green indicator lights up but the yellow indicator won’t light up after charger is plugged and I/O switch turned on
（1）Broken battery charger fuse（2）Connector is not plugged tightly （3）Broken connector（4）Damaged scooter onboard charger（5）Damaged battery charger （6）Battery connector is not properly plugged （7）Circuit breaker tripped
6
How do I handle low tire pressure or deflated tires?
（1）Broken tires may be repaired at motorcycle stores （2）Have a KARMA dealer send maintenance staff to fix it.
7
How do I handle a broken battery charger extension cable?
（1）The extension cable can be purchased from KARMA or hardware stores. Alternatively, you can purchase it from computer stores because it is the same as a personal computer power cable.
8
How can I get help during weekends?
（1）First seek help from the dealer where you purchased the scooter. If not
possible, contact distributor or service center to seek for advices.
9
Scooter won’t move and the warning indicator blinks slowly
（1）Battery is not sufficiently charged. Try again after the battery is fully charged. （2）Ask a maintenance crew for diagnosis.
10
The warning light blinks quickly and the scooter won’t move.
（1）System malfunction. Ask a maintenance crew for diagnosis.
11
Can I buy batteries from other stores?
（1）Yes, but be sure that the specifications are correct. When automobile batteries are used, their lives will be very short and, thus, are not ideal for scooters.
12
How do I handle loose connector?
（1） You can fasten it yourself, have it fixed by local motorcycle stores, or contact maintenance staff.
13
Rear wheel noise while driving
（1）Detach the rear wheels, apply lubricant to the axles, and replace the wheels.
14
Scooter won’t move after only a short drive
（1）Battery is too old and needs to be replaced （2）Battery was not fully charged （3）Poor connection during charging （4）Poor connection of the power supply cable or plug
15
Scooter lunges forward
（1）Damaged motor brush（2）Poor circuit connection
16
Brake is not functioning
（1）Damaged brake（2）Missing motor key （3）Loosen parts on the motor axle （4）Speed engager 5KΩVR misaligned.
