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OK, try this: Just leave it on level 3 and keep pedalling. Will it eventually cut back in and out again if you leave it long enough? With the wheel off the ground, there's no load, so it must be a speed related issue. it looks like the 15 mph cut-off has cut the power, but is taking a long time...

All ebike controllers work more or less the same and have more or less the same wires. When you swap to a different controller, you normally have to change some connectors and do a small amount of wiring. You often see loads of other confusing wires, but in most cases they're for optional things...

When you chuck it off a cliff!

The speed your wheel spins depends on gearing and is nothing to do with the motor or its power, and it has little bearing on what speed you'll get on the road.

C5=2 has no function. What other values did you try apart from 3?

I asked that question to Wheezyrider for my own knowledge. Later, you started to test that on his behalf, so I encouraged you to complete the test.

If a FET was blown, your motor wouldn't work at all. The FETs are just switches. They all work simultaneously at high frequency under the control of the cpu software. There is nothing in the motor controller that can give the problem you describe. The only thing that affects the power is the cpu...

Maybe the guy soldered the shunt in the Voilamart controller to get more power.

Basically, you battery has a BMS that will cut power at 30 amps and your controller is trying to draw 35 amps. You might be able to solve it with your C5 setting, depending which version of software is in your controller. C5=10 should be the present setting,which is maximum current according to...

When you have a problem with an ebike, you have to test it in a logical sequence so that you can answer two questions: what's causing the issue and what do I have to do to fix it? Obviously, what you have to do to fix it depends on what's wrong with it. In your case, every person thats come on...

That's weird because the cpu in the motor controller uses software to read that signal wire via an analogue to digital converter inside the cpu. There are different versions of the 790 panel. Some have lights, some have the 6km/h button and some have neither. I've never seen one with level...

The hole is connected to the bottom of R1 and the top of R2, so you can use one of those two positions for your black probe, then stick your red probe on every single solder joint to see which ones beep. Start with the black wire which is the most likely. If that beeps, then so should the middle...

It depends where you get it from. There are a load of parameters that you can adjust. Sometimes they're set reasonably, so you can enjoy riding your bike without doing anything. Other times, they might be set to daft values, which makes your ride less enjoyable. If you're happy the way it is...

Show some photos of your bike.

I'm going to bet that it goes to ground.

You're looking for a mechanical problem, but it sounds like an electrical one to me.

All those Ezee motors are 500w, regardless of what they're labelled.

Most bicycle hydraulic brakes are self-bleeding. The only way air gets in is when you turn the bike upside down, but a few pumps of the lever when you get the bike up the right way should clear it. The only exception is when the hose loops up and back down again so the air gets trapped at the...

Are you sure it's not the 15 mph speed limit cutting the motor?

Yes it's normal to be stiff and jerky to turn.