Smoke from motor

[maineyak]

After a first wiring test the motor slowed after a few seconds and started smoking. Switched everything off and checked everything to find the ABC connectors from esc to motor were the wrong way round. What an idiot - I was so sure I had checked them many times!

Anyway switched them round the correct way and tried again. Speedo seems ok and runs the motor but after a few seconds the motor starts smoking again.

I guess I need a new motor then.....

[SlowOne]

Ohhhh yesssss!! Coils have overheated and the insulation has gone IMHO.

[DCM]

Still, miss-wiring a brushless will just make it go backwards....

[i4n]

Steve, what happens if you've plugged the sensor lead in as well? I know that works on a sensorless (or a posh speedo that will figure out that there is something wrong).

[maineyak]

Yep, I had a sensor wire connected too.

I'm reading it's ok to mis-wire a sensorless motor but it is bad if it is a sensored motor.

The speedo is a 120A Hobbywing - which has hopefully survived

[maineyak]

So is there any way to fix the motor or is it a bin job?

It still spins - but I've only be trying it for milliseconds. Last time I held the throttle on it started smoking again and slowed up.

Don't really want to do that again as thinking it might bust the ESC.