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MJM MT-20, User Manual, Page: 10 / 17

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MJM MT-20 User Manual Download Page 10

Error Code

 

Definition

 

Solution

 

21

 

Current Abnormality

 

Replace controller

 

22

 

Throttle Abnormality

 

Disconnect throttle 

wire (located in 

controller box, or in 

front of handle bar if 

the bike has water 

proof quick release 

connector) to see 

whether the ERROR 

code disappears. If 

disappear, replace 

throttle.

 

23

 

Motor Abnormality

 

Re-connect motor 

wire (located   

underneath the chain 

stay at right side). If 

still doesn’t work, 

replace with a new 

motor.

 

 

 

 

Troubleshooting

 

If there are errors about the electronic control system, the error code will appear 

automatically. 

 

Summary of Contents for MT-20

Page 1: ...MT 20 and MTF 20 MTMTF 20 Fat Tire Mountain USER S MANUAL ...

Page 2: ... and unique style electric bike with high profile components Open the carton box and take out your MTF 20 carefully The package has following items MT 20 or MTF 20 CHARGER PEDALS FRONT WHEEL AXLE F R REFLECTOR Remove all zip ties and packing material being careful when it comes to the edge of the frame tire and rim Follow steps to assembly your MT 20 or MTF 20 ebike ...

Page 3: ...Install Front Wheel Make sure the brake disc is placed in the center of caliper gap and front wheel can rotate freely without any noise When the brake disc is not in the gap DO NOT pull brake lever ...

Page 4: ...al marked with an R on the right side side with drivetrain gears The right side pedal has a right hand thread removes counterclockwise installs clockwise the left side pedal has a left hand thread removes clockwise installs counterclockwise Be careful to not cross thread the pedals ...

Page 5: ...Insert Remove or Adjust Saddle Height ...

Page 6: ... Battery before Your First Ride On the charging adapter the red light stands for charging while green light indicates the charge is complete Make sure to charge your battery to full capacity before first ride ...

Page 7: ...ut 5 for every 8 hours of being left in stand by mode If you are not going to use the battery for an extended period of time take out the battery and store it in a cool dry place Do not use battery when it has less than 10 capacity left Our bike is resistant to splashing but not water proof Please do ride the bike through water deeper than 17 5 cm The controller box will short out If you have been...

Page 8: ......

Page 9: ...ttery before storing the battery Avoid storing your battery in extreme temperatures whether hot or cold Batteries are best kept in a cool dry place Do not allow batteries to accumulate condensation as this could cause shorting and corrosion Uninstall Install Battery Besides charging the battery while it is in the ebike you can also take it off the bike and charge the battery at home or in the offi...

Page 10: ... if the bike has water proof quick release connector to see whether the ERROR code disappears If disappear replace throttle 23 Motor Abnormality Re connect motor wire located underneath the chain stay at right side If still doesn t work replace with a new motor Troubleshooting If there are errors about the electronic control system the error code will appear automatically ...

Page 11: ...nnect 2 brake lever wires located in front of handle bar to see whether the ERROR code disappears If yes replace the brake lever and reconnect brake lever wire to controller 30 Communication Abnormality Disconnect all wires brake lever display throttle and motor then reconnect Check all connectors are in good connection ...

Page 12: ...rely attached to the forks by gripping the front wheel between your legs and attempting to turn the handlebars Wheels Ensure the front and rear mudguard stays are tight Check that the quick release mechanism is tightly gripping the front wheel Seat and post Ensure that the seat is straight and secure Pedals and chain Ensure the pedals are fully wound in and tight Chain Ensure that the chain is pro...

Page 13: ...and Rock the bike gently from side to side to ensure that the kickstand does not wobble Tighten the bolt on the frame directly above the kickstand if necessary Tires Pump the tires to the point that they are firm and cannot be deformed with your thumb This is equivalent to roughly 60ppi of pressure for the Sport and Classic models and 50ppi for the Urban Electrics Test the pedal assist function by...

Page 14: ...having to press down too hard on the handles If your bike has a quick release on the front wheel then check that this is properly tight in its position within the front forks Quick release mechanisms can more easily work loose than conventional axles and so should be checked often for tightness Wear an approved safety helmet when riding your e bike After mounting the bicycle turn on the main switc...

Page 15: ... stopping distance is needed Do not ride through deep puddles or streams Ensure that water never reaches the motor and controller level This could short out the power and void the warranty Do not carry passengers Do not ride under the influence of drugs or alcohol or when feeling unwell Do not ride at night without lights If the lights are not working it may be safer to walk with the bike MJM WHEE...

Page 16: ...g or storage 3 Acts in violation of laws and regulations 4 Service or maintenance work not performed by an accredited technician performed service or maintenance on components 5 DIY repairs on electronic components 6 Abusive use the ebike in off road terrain mud snow water sand gravel and water puddles 7 If ebike is used as rental unit 8 Damages caused by natural disasters such as earthquakes ligh...

Page 17: ...roduct some components must be purchased exclusively from the manufacturer These would include but are not limited to limited to the battery motor main gauge cluster controllers Led headlights brake drums or disc rotors and pads etc Other components such as tires tubes saddle racks and baskets may be used from market ready or compatible products previous approval from the retailer or manufacturer ...

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