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looking to buy a controller with the display can any one recommend one not to sure about the plugs to the Bafang BPM Motor it as a plug with 6 pins the controller thati have seen all seem to be 9 pins

at a loss with this can any one Controller and a Display

i did that just the same error 21

Hi nealh the motor phase cable connector.was wet inside the plug do you think i could have blown some think up in the motor

after doing the 6 measurements 2.29 2.28 2,29 them 1 1 1 the continuity test was ok

nealh i manage to get hold of a digital multimeter not to sure how to use it if the Controller is dead could you recomend one

i have a voltage meter pic of the controller

yes it does

Hi nealh how do i check the phase shorting thanks gary

Thanks for your help on this Nealh what happened a spoke on my wheel broke I decided to replace it and whilst the wheel was of I thought I would wash the bike when I put the back wheel back on and put the power on Error 21 came up , I turned the power back on and the Motor made a thud noise the...

ive look up the error and all i can find is Abnormal Current where do i go from here help

not to sure what kind and size spoke to oder help can anyone give me a link to the spoke i need thanks gary

Hi i was wondering what sized spokes to purchase the bike is a Kudos Tornado Electric Bike the are Rims: Alex double wall, 36H

i had a ticking’noise on my Bafang BPM it turns out to be the allen nuts that holds the motor together were loose

i did try that but i got a error on the display

it a Kudos Tornado

Hi yes its a thumb throttle

when i switch the bike on it some times lunges forward this as happend 3 or 4 times i made sure the pedals did not move on the bike before i switch on

thanks once again

i just need this checking do i need to swap the black and green wire around and if its the wrong way round will i blow it up