background image

34

33

No output when 

switched on

1. Dead battery 

2. Battery not connected

3. Alarm failure 

1. Charge the battery.

2. Check if it’s properly connected

3. Replace Alarm

Troubleshooting List

Malfunction 

Description

Causes

Troubleshooting

1. Battery voltage is low

2. The power off switch is enabled 

    when pulling the brake lever

3. The Parking Mode has not been 

    turned off yet

1. Not properly connected 

2. Battery temperature is  too high

    or too low

1. Low battery level

2. Under-inflation of tyres

3. Frequent braking and overload

4. Battery aging or normal

    capacity loss

5. Low battery capacity resulting 

    from low temperature

1. Check whether the plug is 

    loosened.

2. Wait for it to achieve normal

    temperature.

Motor failure when 

turning the twist grip 

after switched on

Battery charge failure

Dropping speed or 

range

1. Charge the battery. 

2. Do not pull the brake lever when 

    twisting the twist grip.

3. Check “Start the Scooter” section.

    Check if the side stand is on.

1. Charge the battery and check if 

    the plug is properly plugged in 

    and whether the charger is damaged.

2. Check the tyre inflation every time.

3. Develop good riding habits.

4. Replace the battery.

5. Normal situaiton. 

Identify the fault causes in reference to the meter panel fault codes.

Dead battery

Charge the battery.

Sudden stop during

a ride

Troubleshooting List

Malfunction 

Description

Causes

Troubleshooting

10

11

12

Fault

Code

Meaning

FOC stop working

Motor stucked

Undervoltage or overvoltage

Overcurrent

Fault Code List

Causes

Troubleshooting

Check if the motor is stucked.

Check if the charger is intact.

Contact your dealer if happens often.

13

Controller overheat

Park the bike in shade and wait for it

to cool down.

30

Battery 1overcharge

Battery in overcharge

protection

Turn on headlight to discharge.Check if 

the charger is broken or wrong type.

Summary of Contents for MQi GT EVO

Page 1: ...USER MANUAL V1 0...

Page 2: ...utions Safety Notice Downloading the APP Installation Guide Parts Info Dashboard and Combination Switches Operation Guide Battery Use and Maintenance DOs and DON Ts while Riding Maintenance and Repair...

Page 3: ...venting unnecessary damage to your scooter Please keep the User Manual properly Due to constant improvement of product functions and change of design your scooter may differ slightly from the one show...

Page 4: ...t use mobile phones or other electronic devices which may draw your attention while riding Do not change the lane without signaling Changing the lane at will is one of the major causes for accidents W...

Page 5: ...tighten nuts on the rearview mirror with a spanner Properly set the dust cover Step 1 Step 2 Step 3 Place the 12V battery in side the battery compartment under the floor board with electrode terminals...

Page 6: ...o Right Combination Switch Turn Signal Indicator Headlight Right Reflector Handrail Reflector 12V Battery compartment Left Combination Switch Taillight Rearview Mirror Saddle Central Stand Side Stand...

Page 7: ...cle is not in good condition Error code Displayed when the vehicle system reports an error Bluetooth state Displayed when the vehicle is connected to Bluetooth Automatic headlight Displayed when the a...

Page 8: ...umption curve curve of change in energy consumption during riding 19 Total mileage total riding distance 20 Riding data total riding time mileage average energy consumption average speed Satellite pos...

Page 9: ...rtaking with flashing light the rider may press and release the Overtaking Light Button repeatedly Scooter Light Adjustment Push the button to the right to turn off low beam lights Push the button to...

Page 10: ...the anti theft lock Insert the spare key into the emergency key hole push it inward and clockwise rotate to the UNLOCK position to release the faucet lock Opening the saddle Insert the spare key into...

Page 11: ...l and the scooter is less than 50 m Spare key When the vehicle cannot be powered on spare key may be used to open the battery compartment faucet lock Follow this simple three step procedure to enjoy a...

Page 12: ...t and rear wheels Check tire pressure Check the reflector for damage and make sure it is clean A Press the Lock button on the remote control Or switch off the vehicle with your NIU APP OR B Hold the R...

Page 13: ...inflammable and explosive gases and liquids Please keep metal parts away from the battery compartment In case of undesirable odor overheat or deformation of the battery please disuse the battery imme...

Page 14: ...ery fixture bracket 12V Battery 1 2 3 Charging Methods Charging on the Scooter Open the saddle open the cover of the connector and plug the charger into the charging socket Charging the Battery Remove...

Page 15: ...ping DO NOT disassemble or change the parts in charger by yourself WARNING If the battery can not be fully charged after 12 hours please stop charging and contact your dealer To maximize the battery l...

Page 16: ...applying brakes If the tyres are locked and the scooter loses steering ability resulting from excessive braking force loosen the grip on the braking lever and the tyres will be working again and the s...

Page 17: ...scooter is frequently used in overload high speed bumpy or up downhill riding conditions the maintenance cycle should be shortened For more guaranteed quality and longer service life please use origi...

Page 18: ...charge the battery to 50 full before storage to maximize battery life Charge the battery to 100 full after long term storage Check all the parts carefully to make sure that there is no problem before...

Page 19: ...nge 1 Charge the battery 2 Do not pull the brake lever when twisting the twist grip 3 Check Start the Scooter section Check if the side stand is on 1 Charge the battery and check if the plug is proper...

Page 20: ...r Unplug and plug the charger again If the problem persists contact your dealer Stop charging and check if the charger is failed Restart the bike Contact your dealer if it does not work FOC varificati...

Page 21: ...ry temperature is too high Battery temperature is too low Excessive voltage difference Exposure to water due to structural reasons or water detection sensor false alarm Check if the charger is failed...

Page 22: ...s data BMS can t return data or returned data is incorrect BMS can t return data or returned data is invalid Contact your dealer Check the Connector is properly plugged Contact your dealer if happens...

Page 23: ...Qi GT EVO Battery Capacity Motor Rated Power 5000 W Max Speed Dimension Product weight Number of seating positions Gradeability Voltage Standard Charging Current Maximun Discharging Current Range Moto...

Page 24: ...44 43 Maintenance Record Date Notes Dealer Mileage Maintenance Record Date Notes Dealer Mileage...

Reviews: