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I can't help you unless you show what type of steering head and stem that you have.

Did you look in the hole? You should see either a square or an 8 pointed star. The end of the shaft is clearly visible.

There are two possibilities: 1. The battery is knackered and needs replacing. That will be so if it's an old and well used battery, though I'd expect to see the voltage go down by about 3V as soon as you start to draw power. 2. Connection fault, in particular, the soldering on the back of the...

Your steering head bearings need adjusting.

You don't need a crank puller to see. Just remove the bolt and it will be obvious.

Could it be a short circuit in the lighting? Seriously though, it's telling you what the problem is. Check the wires from the lights all the way to where they come from.

It would have been a lot cheaper and more effective to replace the PAS! Does it work backwards?

It does it when your battery is knackered. It can also happen when there's a short circuit, like when a mosfet is blown.

Your BMS is probably switching off.

What do you mean by the battery being solid at 29v. Does it stay like that when the bike goes forward and cuts out, or do you only measure it before or/and after the event?

Can you imagine what would happen if someone set fire to that thing. I hope it's not made of plastic!

Yes, solder and heatshrink them. Make sure that the pronged bit goes in the battery the right way round. temporarily install it wherever it goes then check with a meter to make sure that the red is the positive. You can't always go by the colours.

Before anything, take your cranks off and check that the shaft fits through the bottom bracket tube and reaches far enough through to get the arrangement on the other end on properly.

It's the crank motor from Tianjin Motor Company in China. It's also sold under the brand Bewo. It has the advantage that you can use any controller with it with or without a throttle.

Is the LCD set to 36v?

As already said, that won't work with the Xiongda YTW-06 unless you can get the special XD version of the controller.

download the manual from KT: http://www.szktdz.com/en/news.php?type=348

I very much doubt that it's dead. You need to tell us a bit more about your situation. Which battery do you have? What is its exact voltage measured with a meter?

Make sure you understand the PayPal rules and timings. They stick to them rigidly. Escalate it as soon as you can. You can phone them. They're always very helpful as long as you stick to the rules.

It's nothing to worry about. It's only the nano-bots that are slightly magnetic. That's necessary so that they all align the right way when you pass the programming scanner. The only problem is that the magnetic field emitted by some ebike motors can interfere with them and give weird side...