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Weird one.
Motor cut out mid-ride a few weeks ago with “Error500”. Struggled to get going (powered on, flashed up “Error500”, then powered off) which resulted in a crap ride home under my own steam. Fine the next day, then again on the next ride it did the same.
Back to Evans for investigation and repair. Since then, Evans cannot get it to ‘fail’ into Error500, all seems fine. Added to which, they’ve hooked the computer up and there is no record of “Error500” in the log. TBF to Evans they have been great and in constant dialogue with Bosch. Bosch’s understandable reaction is effectively that without a live ‘fail’, nor any log of it, there’s not much they can do so Evans should hand it back. However, when I dropped it off in the shop it was definitely in fail/Error500 mode. I’m very reluctant to take it back as I know as soon as I take it out it will happen again. And my nearest store is a 90 minute round trip. My question is, what on earth wouldn’t the log record the error code? What would you recommend I do now?
Weird one this. The error should be logged.
Have you taken photos of the screen when the error comes up?
Can use a GoPro to record the ride and if the error comes up at least you have some evidence of it happening.
Next time it happens take a photo of the error, and take the bike to a more sympathetic shop other than Evans.
The motor is goosed and itsonly a matter of time before it fails completely, but until then it's going to be intermittent and ruining your rides, you need a shop that understands this and will work with bosch to replace the motor under warranty.
has the speed sensor moved by the rear disc, ours moves occasionally as its only on with a tiny screw
As said, Evan’s are (surprisingly) fighting my corner on this and have said they’ll keep pushing Bosch to take it back. I’ve got photos which Evan’s have used. But neither they nor Bosch don’t know why it wouldn’t be logged. The motor was 4 months old at failure, and it’s obvious the bike has been looked after. It’s Evans responsibility to sort. I popped by the shop last week and no error code. As you say, I’ve lost faith and it will either ruin my ride by playing on my mind, or actually ruin my ride by failing.
as an aside… I think the source of failure will be water ingress. Put 800km on it over the winter, genuinely don’t recall a time that it wasn’t absolutely sodden under-wheel. Bucket and water only for cleaning but it’s been such a shitty, wet winter is be surprised if it’s anything other than a corroded PCB.
Speed sensor is a different error code apparently. But they checked everything out including all wires and the battery and seem satisfied with it… error500 is apparently ‘internal drive failure’ which sounds pretty terminal.