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You should also look at the watts on your display when trying out the combinations. This will do two things. Firstly it will ensure that you don’t damage your controller or motor when doing the tests and secondly you will know that your controller is actually trying to drive the motor, so your...

It a KT LCD05 display. Page 30 and 31 in the manual describes how to enter the password. https://download.elecycles.com/manual/Display-Manual/LCD5-display.pdf

Yep. Your error 03 was always a bad hall sensor connection.

It could be a brake sensor issue. It looked like it worked ok until you pulled the brake lever and then pas stopped engaging.

That’s sounds like graunchy bearings to me. It’s easy enough to dismantle the motor and inspect them with the right tools. You will probably need a bearing puller if they need to be replaced. I think it’s worth taking a look at an unknown motor. It may have had water inside.

While you are waiting for the connector blocks to arrive, it may be a good idea to take the cover off the controller and check that all of the hall wires are soldered to the printed circuit board properly. And do a continuity check with your multimeter set to ohms, between the pcb pin and the...

BBS motors have built in controllers so you only need to mount your battery on the new bike. You can buy a battery mounting plate separately on eBay. Plenty of other suppliers will sell you a bbs kit without a battery. Woosh prefer to supply the full package.

It doesn’t provide the specifications for the motor in order to set P1 and P2, but that doesn’t matter for the time being. If you can’t fix the error 03 problem the motor won’t run. If none of the C2 settings don’t clear the error then the only thing I can suggest is for you to open up the...

Wisper are active on this forum and they may be able to supply the technical specifications for the motor if they still have records that go back that far. They are unlikely to be able to assist with your current problem. Apart from maybe supplying an identical controller to your original. But...

This one is cool, it even has a steering wheel. It would need a mid drive motor though. Shame it’s left hand drive. https://www.getcycling.org.uk/products/berg-gran-tour-racer/

Ok keep going with the C2 settings. The good news is it looks like your throttle is working because it’s sending a signal to the controller when you turn it. We are asking you to adjust C2 because we are running out of ideas. Your motor is very old and we don’t know anything about it.

Hold on a minute. Are you saying error 03 has gone after updating your settings without changing C2? If you have got rid of error 03 then leave C2 at 0 for the time being.

The throttle and pas still may not work if you get rid of error 03 by adjusting C2. But there is another procedure for that. The important thing is to have no errors on the display first.

Strange about P5, but that’s not important for the time being. Yes, cycle through the C2 values to change the hall sensor phase timings. I tried it on my bike yesterday. My Bafang motor should be set to 0 and when I started adjusting C2 it didn’t like it. We are assuming your motor is not a...

European e-bikes are so boring. There is definitely a cultural difference between Europe and the US. In Europe we focus much more on function rather than form. And in the US the trend is to completely ignore the law and make bikes as powerful as possible.

And also the one I posted is huge and ok for US side roads, but UK roads are another kettle of fish. Especially with kids on board.

Have you considered a side car for one of the girls and a pillion for the other? Although this one is 750w for the US market. And isn’t a budget option. It could be made a bit more UK legal by dialling back the controller and removing the throttle and a 250w sticker on the motor. And another...

Set C12 = 4 to set default for battery low voltage cut off C8 = 0 to disable motor temperature sensor C7 = 0 to disable cruise control C4 = 0 to enable full power of the throttle in all assist levels C2 = Try all of the settings to see if error code 03 disappears. If not then reset back to 0...

Probably a good idea if you list all of your P and C settings

I had a fault exactly the same as this once, with no obvious sign of anything wrong with my connectors. I crimped new pins on the wires and the fault disappeared. One of those pins was no good and wasn’t making proper contact when plugged in.