Dead as a doornail with fully charged battery

[usclassic]

My son dropped off the Aipas M1 Pro I gave him now dead. Battery checked and fully charged. Bent battery connections on bike per Aipas dead bike video. Also rear brake cable is sized which is the secondary issue. Absolutely nothing visible happens when the power button is pushed. So the fun has begun. lol

 

[harryS]

It has a display similar to this? Try reseating the connector. Might be loose.


Aipas uses the 5 pin connector common to other bike displays, but appears to use their own wiring order.

https://device.report/manuals/aipas-ebike-lcd-screen-user-manual-assembly-2021

Check pins 1 and 3 for battery power. If it is there, and display won't turn on, the display is likely at fault.

 

[Tom@WashDC]

The few times that I experienced that problem it was always either:

• Bad electrical connection between the battery and motor. (especially with Anderson connectors)
• Bad display.

 

[usclassic]

From Aipas support

I did it and the battery connection is tight. A warning though even with the battery removed sparks flew from those connectors when accidentally shorted so there must be charged capacitors in the controller..beware. I was surprised.

i did find a beetle living in here.....

Unplugged and reconnected the display still no joy. I do suspect the display and will try to get a new one to try.

 

[Tom@WashDC]

From Aipas support

I did it and the battery connection is tight. A warning though even with the battery removed sparks flew from those connectors when accidentally shorted so there must be charged capacitors in the controller..beware. I was surprised.

i did find a beetle living in here.....

View attachment 216745

View attachment 216746

Unplugged and reconnected the display still no joy. I do suspect the display and will try to get a new one to try.

There are definitely charged capacitors in a controller! I shorted a power wire coming out of the motor last week while replacing a burnt Anderson connectors. Thought I fried my controller! But did not.