hello jay,

hahaha i am not a technican for qicycle bikes i am a user as yourself. i think if you are good you could do anything with the bike. here is a video which shows the opposite of a throttle, a mod fro full power

https://www.youtube.com/watch?v=gqvqy6Ht...

Video only should show that everything is possible, but i don’t know how to do such mods.

Harald

In this link First isahown Not available but if you choose delivery country (for me germany) i am able to put it in the basket. 97 items are available

https://de.aliexpress.com/item/-/3284591...

Oh..sorry, at the Moment couldnt find it…

Hello Phu Dang,

this is the spare part i ordered.

https://www.aliexpress.com/item/-/328686...

Hello Phu Dang,

its the Original App from Mijia .Maybe it is only in Chinese Playstore. You have to sideload the APK, for example here.

https://www.apksum.com/download/com.velo...

The App cant check the motor or the wiring direct. But for me it was so that it showed no error. For other people it showed errors which mostly have to do with wiring in the front to direction of the Motor.

hello phu dang,

best wishes for you to solve the problem. i understand that you are afraid of not finding a solution, for me it was the same. As i said it is easy to check the cable. take my wirking plan and a voltmeter. you can easy do a measure if there is cntact between the poles. As i read in other forums often the hall sensor was the problem. The motor or the platine/chip/controller is rarely the problem. The motor is verry robust. Are there any errors shown when you do checks with the app ? The app should show contact/wiring problems with the motor. In the other forum someone told me to change the hall sensor and he was right.

https://translate.google.com/translate?a...

@phu dang,

sorry i have no color code for the pin numbers, because i only did a measure of the cables. my wiring plan is quite simple you only have to check the numbers of the pins which are wired.

as i wrote above my problem is solved. First problem with the update was an incompatible android smartphone. Changed ist and the update was successful. Second problem was not the wiring, but the hall sensor. Changed it to a new one and evrything was fine.

If you habe broken pins on your cable why don’t you chnage the cable. It costs about 25$ and changing should not be a problem.

hello, problem is solved, changed the torque sensor/ hall sensor and now the motor starts and the wattmeter works.

hello,

few days ago i bought an used Qicycle. The Bike totally has 12km. Outside it’s in a very good condition.

Now i recognized that the wattmeter still shows “0”. I am sure the motor doesn’t function. Now i need some help .

What I did :

-Flashed back original software now it is :

LINPic 003-013-000

MC 005-017-000 (25km/h)

BMS 018-024-023

Firmware 1.6.613

-Checked Akku -> Loading Okay, Lights Okay

-Checked all cable connections (motor left, controller, display, hall sensor)

-Checked intergrated cable if it is broken. All 16 cable contacts give a signal. I post the wiring of the cable for the community. With my plan you can check if the wiring is ok.

http://up.picr.de/33540863mf.jpg

what could i do now ? Buy a new motor, how could i check if it is broken ?

Buy a new controller ? Does this make sense, because all seems ok. The Qicycle Software says “bike is Ok”

Buy a new “Hall sensor”, don’t know if this could be the problem…maybe a expert could tell me.

If somebody help me to get a solution i would donate something.

harald