eZee hub motor hall sensor ?

[PaulBo]

Hi, my eZee front hub motor recently stopped responding to the throttle, it spins for a second or so then stops, it has eight flashing lights at the control box which I checked and means it is a hall sensor problem, found a video tutorial on the web from a company called Grin which even used the same make eZee, which detailed how to check and change the hall sensors. So stripped down the motor and whilst doing this noticed the wiring loom going through axle was all twisted and looked damaged, so ordered new harness. When I test the hall sensors as described in the vid the voltage goes from 5v down to 2v on all three sensors not to 0 as stated in the Video, is this OK. Also, the three hall sensors are not set in a groove in the windings but just glued to the top of them and sit about three quarters of the way down the sensor length. Also noticed there is a small diode or some such attached to the circuit board which is not on the one in the video (I have attached a photo showing it).

Any help appreciated Paul

 

[PaulBo]

Oops have not. Made it very clear what I am asking for in original post. While I have the circuit board out is it worth replacing the three hall sensors or is the voltage drop acceptable. And second if I need to replace the whole circuit board does that small diode have to be on as all the boards I have seen for sale do not have them?

 

[vfr400]

It's a capacitor to take away the noise and give a clearer switching signal. I'm not sure about the 2v. That can depend on which meter you use. Also, you should test the halls when connected to and powered by the controller because they might need pull-up or pull-down resistors to switch properly.

 

[PaulBo]

It's a capacitor to take away the noise and give a clearer switching signal. I'm not sure about the 2v. That can depend on which meter you use. Also, you should test the halls when connected to and powered by the controller because they might need pull-up or pull-down resistors to switch properly.

Thank you for quick response, the new wiring harness should arrive any day I will rewire the motor and test again , I have also ordered several sensors just in case

 

[PaulBo]

Thank you for quick response, the new wiring harness should arrive any day I will rewire the motor and test again , I have also ordered several sensors just in case

Me again fitted new harness removed old hall sensors (not easy loads if glue) started to fit new ones when i noticed the PCB is damaged in a few places the copper trace lines are broke in several places, you cannot make the breaks out in the photo as they are in the very dark patches. So try to buy new board not as easy as I thought it would be apart from buying in bulk from alibaba does anyone know where to purchase new ones? I assume all boards are the same would be better if the sensors were already fitted. Thanks Paul.

Been looking again for boards this may sound daft but how do I find out which type I need they seem to come in two types 60 or 120 degrees? Just looked again can someone please confirm that if it is 60 degree the middle sensor is opposite to the outside two