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Our troubleshooting advice will take you through a logical way to diagnose any 
issues that may arise during installation and use.

 

Before commencing troubleshooting, disconnect all components. Do not short 
cut this process. There are countless times a loose plug has caused grief. By 
disconnecting all the plugs and then reconnecting just the crucial components, this 
will solve any loose plug issue. 
Go through one by one by plugging in the other components (such as the pedal 
assist sensor or the e-brake handles) to see if any of these are the cause of the 
problem. In this basic state you may discover the culprit quickly.

Fault

Solution

Display turns on, but 

motor does not 

Activate

Check the motor plug from the controller. This is a very stiff 
connection and will not work unless the plug is all the way in to 
the indicator line. The twisting of the handlebars can sometimes 
cause the plug to pull out slightly if there is not enough slack in 
the motor cable.

Motor runs backwards

Remove the motor from the frame and switch the direction.

Display won’t turn 

on, unless the battery 

charger is plugged in

A high pitched rattling 

noise can be heard 

when accelerating 

Rim has a buckle or 

spokes coming loose 

all the time

Check the display connections, make sure the battery is charged. 
If the display turns on only when the battery charger is plugged 
in, you will have to contact our support team.

 

Check where does the noise come from, the motor or the loose 
parts. For example a loose spoke or even a bolt on your rear 
rack. If something is just a little bit loose, sometimes this can 
reverberate and make a harsh high pitch rattling sound. Nothing 
is broken or wrong, you just have to identify the loose part!

We would recommend a competent wheel builder to fix any 
major spoke tension issues, however there are some really good 
youtube tutorials on how to adjust spoke tension.

Spokes have snapped 

or missing

We stocks spare spokes for very reasonable prices, just check 
out our spares section online and you can find the right type 
and length for your kit.

TROUBLE SHOOTING

Содержание BBS02

Страница 1: ...CONVERSION KIT Please read through carefully before beginning your conversion User Manual Mid Drive Electric Bike Kit BBS Bafang Mid Drive BBS01 BBS02 BBSHD English...

Страница 2: ...es are manufactured differently that certain components of your bike may remove or install differently and or contain different steps However we have used a bike that is quite universal to demonstrate...

Страница 3: ...eur Removal 8 9 Motor Installation Crank Installation Battery Battery Cradle Installation Brake lever and Thumb Throttle Installation Display Installation Pedal Assist Sensor installation Wiring Insta...

Страница 4: ...ether on your bicycle Before you begin your conversion it can be helpful to lay everything out first and make sure all the parts are there Something missing Double check the box even under the flaps T...

Страница 5: ...sion kit 3 Ride Oncethe battery is fully charged you ve checked your tire pressures and fasteners you re now ready to go 5 Prepare Your bike Before installing certain components of the kit your bike m...

Страница 6: ...demonstrate the crank removal process to aid you Firstly flip your bike upside down so it rests on the seat and handle bars This will make working on your bike easier If you have a bike stand you coul...

Страница 7: ...art of the crank removal tool into the black part as shown in photo 2 and using the multi sized spanner continue to thread the silver portion in until it forces the crank to pop off the spindle You sh...

Страница 8: ...rt this tool into the bottom bracket cup then the bottom bracket cup must be loosen edusing the ratchet until it can be removed This should also be done to the bottom bracket cup on the other side of...

Страница 9: ...bout the front derailleur as it is not needed in the BBS motor conversion you can simply cut the derailleur in order to remove the chain If you would like to keep the front derailleur as a spare part...

Страница 10: ...nstallation is to slide the shaft of the motor into the bottom bracket of the frame as shown in photo two Photo three shows how the motor should be pressed up against the down tube of your frame befor...

Страница 11: ...e tightened to 50 60 Nm of torque using the bottom bracket lock ring tool as shown to the right in photo 2 Now the Bafang lock ring can be threaded on to the motor axle This lock ring should be tighte...

Страница 12: ...ghtened with an allen key as shown in photo 2 Your pedals can now be reinstalled using the multi sized spanner included in the BBS tool kits Most pedals will have a 15mm spanner size Lastly your chain...

Страница 13: ...Next make sure you have removed the two bolts where the drink bottle holder goes shown in photo 2 Finally align the slots in the cradle with the holes in the frame Insert the two bolts through the cr...

Страница 14: ...personal preference which side the throttle goes Slide the electric brake levers onto the handlebars Once the throttle and brake lever are in a comfortable position tighten your brake lever PLEASE NO...

Страница 15: ...y can depend on the rider style or the shape of the handle bars Attached to the Display is also a Pedal Assist Controller This Controller also has the On Off button on it The way this controller works...

Страница 16: ...oosened apart and then placed onto a spoke and tightened so that the magnet will be opposite and parallel of the sensor as shown in photo 4 The purpose of the pedal assist sensor is to generate a sign...

Страница 17: ...hoto At the end of the wires are arrows align the arrows and then insert the pins 2 Then wire the pedal assist sensor to the motor This wire as shown in photos 2 has a plastic cap that threads on afte...

Страница 18: ...ties being used to bundle and secure the cables coming from the base of the battery motor pedal assist sensor wiring loom and anything else leading up to the handlebars Also included in most kits is...

Страница 19: ...ip your battery back to us to have the barrel replaced not ideal The battery should never be ridden or turned On without being locked into the rack It should also never be dropped or treated roughly I...

Страница 20: ...charger indicator lights should glow red whilst charging 5 Once the charger indicator lights change to green the battery is fully charged There is no way to over charge the battery When it is full the...

Страница 21: ...very few months It never hurts to go over your bike with tools tightening and checking everything that can be checked This will ensure you have a safe and well serviced bike Keep your bike clean There...

Страница 22: ...ugh slack in the motor cable Motor runs backwards Remove the motor from the frame and switch the direction Display won t turn on unless the battery charger is plugged in A high pitched rattling noise...

Страница 23: ...or preferably The motor spindle that slides into your frame bottom bracket has a diameter of approximately 33 3 mm so your bottom bracket should also have a diameter around this value Please contact u...

Страница 24: ...ttery is locked to the cradle and not loose A momentary discontinuity in power will turn the kit off My battery cuts out intermittently If the battery is low on power or you are going up a very steep...

Страница 25: ...g green to indicate that the battery is fully charged 3 LED LCD Indicator Light Running Low Some customers find that the LED LCD charge indicator can lead them astray in terms of how far the bike will...

Страница 26: ...26 CONTACT US CQ GROUP INTERNATIONAL LIMITED Nanying industrial zone Foshan city China Email support elecycles com www elecycles com...

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