aostimotor so7 error code 30

[modela1929]

I bought it last year The battery was dead I charged it for a day When i rode it the throttle worked fine. display works and you can go through all the setting but no speedo or odo has an error code 30 which they say is communication when i checked the wiring there was one pin bent on the plug going to the display I repaired it and think it is fine I have checked the wiring all seems to be fine everything looks original I have 5v on the small red and black wires There is also a white wire that shows 3.96 v when i spin the wheel the voltage changes from about 3.6 to 3.9v so maybe the sensor in the hub motor is bad? It is a truckrun motor 48v 750 w Also the pas wants to go like crazy when i pedal so i unhooked and ride it that way replaced the pas sensor with one from temu looks the same but it did not work sometimes it trys a little bit
Please help if you can

 

[Annieolnie]

It's a bit difficult to know exactly what's happening here. Ebikes don't have any exact color coding but I will post a picture of what is typical. Does the bike run with the throttle? I think you should start by getting a Pas sensor that fits your bike. Aominster shows one on their website. How many magnets are in the one you bought? Does yours have a Julet plug or a jst plug? Your error code could be from the none working Pas sensor.

 

[modela1929]

Thanks for responding The one i bought looks just like the one on the aosti site same plug not sure what that name is I hope the wiring is the same plugs in fine The new pas has 12 magnets Yes the throttle works fine as long as i unhook the pas and just use the throttle It could also be the speed signal from the motor I would not mind buying new parts if i knew where the problem is

 

[Annieolnie]

Somehow this turned up trying to find info on your motor. https://images.thdstatic.com/catalog/pdfImages/81/81980976-267d-48a4-a7ab-cb477b6c6651.pdf.
It has a good picture of your controller.

 

[Annieolnie]

I'm going to post the picture here so it is available. One thing that has occurred to me, what side is your pedal sensor on? Some of them are side specific and if they are on the wrong side they don't work or think they are going backwards. Your speed sensor on a hub motor is usually integrated into the hall sensors and their circuitry. One small thing you can try is changing your wheel size and see if the controller will do it. I'm becoming sceptical of your controller which should be reading your hall sensors for speed. Another thing you could try is picking up an inexpensive tester to find out if the problem is on the motor side or the controller side, "Area13" has a video on their use. You can also use a multimeter and watch a lot of videos on motor and controller testing. I'm guessing you have two separate problems going on, but it is a guess.