Motor runs for a second then stops

Hi there, I recently recieved a brushless motor from aliexpress and it runs for a second and then cuts out everytime and sometimes it just doesnt even run at all. the motor and controller I ordered are: https://www.aliexpress.com/item/1500W-48V-Brushless-Electric-DC-Motor-1500W-Electric-Scooter-BLDC-Motor-BOMA-Brushless-Motor-Scooter-Parts/32620049151.html?spm=2114.13010608.0.0.rBP95l and https://www.aliexpress.com/item/1500W-1600W-Brushless-DC-Motor-Controller-48V-BLDC-Motor-Controller-for-1500W-1600W-48V-Electric-Scooter/32628585138.html?spm=2114.13010608.0.0.rBP95l. I was wondering if anyone knows what the problem may be?

Thanks in advance

First two things I'd look at are...

Incorrect phase/hall combo. May be a false positive. Wiring colour to colour is NO guarantee of it being correct.

or less likely,

Battery voltage sagging down below LVC if it can't supply the required current. Should be no problem if you are testing no load (wheel in the air).

If it is the halls, How would i go about correcting them?

Easier to run sensorless on that motor


Sent from my iPhone using Tapatalk

Is there a way to convert my controller to sensorless?

Thanks

Heres a video: https://youtu.be/8thCtsa9zto

Well from the way its spinning up I'd say there is nothing wrong with the motor connections.

here is a question: how come you are using a potentiometer instead of the throttle you have there?

I'm guessing you either got the potentiometer hooked up wrong or it's broken.

I would try the hall effect twist throttle and see if that works.

eee291 said:

Well from the way its spinning up I'd say there is nothing wrong with the motor connections.

here is a question: how come you are using a potentiometer instead of the throttle you have there?

I'm guessing you either got the potentiometer hooked up wrong or it's broken.

I would try the hall effect twist throttle and see if that works.

Click to expand...

Im using the potentiometer because I thought it might be a throttle problem but have now tried multiple throttles and the same result

What are you using to power it?

Gregory said:

What are you using to power it?

Click to expand...

Im using a 48v 9ah battery pack, I have tested it and it only drops 1v so lvc is not a problem