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My ACM 820Wh on it's way out?


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Yesterday as I turned my ACM on ready to ride home from work I noticed one of the LED's on the rear strip didn't look to be working. This morning I've turned it on to come to work and none of the LED's have come on and neither WheelLog or GotwayES can find it to connect. Has anyone else come across this and is the wheel still good to ride or??

If I'm going to need to open it up then one of the problems I have is the handle or rather the screws to hold it in place and if the case will hold up to it being removed then re-attached. 

Although I have my Monster I want the ACM for work and my kids to use from time to time but if we can't see the battery level at all then, so long as nothing else gives up, it'll only be OK for work as I can charge every other day depending on the mileage.

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As I can't get my apps to connect I don't know exactly how many km I've done but I have had it around 11 months and the minimum I do is around 4.5 miles per day, Monday to Friday for work. I haven't done much extra riding over winter due to the cold and damp weather making my usual pain 10x worse. When I first got it last year though I was out for a few goods/long rides.

I'm hoping it's just a loose connection though if it's more I do have another board I can try which may at least fix the Bluetooth issue if not the LED's. 

I had my previous Ninebot One E+ for about a year and that was perfect BUT due to it's limited mileage I hadn't done as much as I will have on the ACM

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I'll be interested in what you ultimately discover.

I have opened my ACM and the screws came out OK and I was able to reinstall them without difficulty.

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38 minutes ago, Marty Backe said:

I'll be interested in what you ultimately discover.

I have opened my ACM and the screws came out OK and I was able to reinstall them without difficulty.

btw, is that the same screw size as the msuper? if so, do you know what measurement it is? i tried a few phillips-heads the other day and none of them really fit

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I haven't done a side-by-side comparison, but the ACM, MSuper, and Monster appear to use the same screws.

A quality Phillips #1 screwdriver works great.

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42 minutes ago, Marty Backe said:

I haven't done a side-by-side comparison, but the ACM, MSuper, and Monster appear to use the same screws.

A quality Phillips #1 screwdriver works great.

thanks!:)

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It turns out I didn't have to remove the trolley handle. I just needed to remove a pedal then unscrew the side panel. I replaced all the original screws in the early days of owning it after the heads snapped off 3 that Gotway had used!

Instantly when I opened the side I could see there was a small board next to two capacitors that was loose. I pushed it back into place but nothing seems to have changed. It didn't look/feel like anything else was loose either. The LED's still don't work so have possibly blown? and I still can't get a connection to the Bluetooth so have no way of knowing the battery level.

With the amount of sealant they've used to hold things in place I'm not sure I want to risk trying to remove it to change the board. If I damage any of the wires/connectors then the whole thing will be duff. As it is I can still use it for work and charge every 2 - 3 days depending on my route too & from work - once it starts beeping I will still have enough charge to get home the short route IF I let it get that low.

The LED's only started to mess up, that I noticed, yesterday. As I haven't tried connecting to the Bluetooth in a while that could have stopped at any point. :( 

I am glad I have my Monster to fall back on if need or I would be back to getting the bus for work and not being able to get out any other time due to mobility problems.

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52 minutes ago, TremF said:

It turns out I didn't have to remove the trolley handle. I just needed to remove a pedal then unscrew the side panel. I replaced all the original screws in the early days of owning it after the heads snapped off 3 that Gotway had used!

Instantly when I opened the side I could see there was a small board next to two capacitors that was loose. I pushed it back into place but nothing seems to have changed. It didn't look/feel like anything else was loose either. The LED's still don't work so have possibly blown? and I still can't get a connection to the Bluetooth so have no way of knowing the battery level.

With the amount of sealant they've used to hold things in place I'm not sure I want to risk trying to remove it to change the board. If I damage any of the wires/connectors then the whole thing will be duff. As it is I can still use it for work and charge every 2 - 3 days depending on my route too & from work - once it starts beeping I will still have enough charge to get home the short route IF I let it get that low.

The LED's only started to mess up, that I noticed, yesterday. As I haven't tried connecting to the Bluetooth in a while that could have stopped at any point. :( 

I am glad I have my Monster to fall back on if need or I would be back to getting the bus for work and not being able to get out any other time due to mobility problems.

Considering that the wheel is out of warranty (I assume) I don't think you have anything to lose by removing the sealant that's associated with the LEDs and better checking the connections. I suppose the problem could also be at the LED side (is there a connector there too or do the wires go directly into the LED module).

Consider emoving the bluetooth module again and clean the connections - maybe contamination is affecting one or more of the pins?

Gotway's mechanical design is really poor. That bluetooth module is always only secured with sealant. Instead there should be a mechanical system that secures the board to the main board.

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On 5/11/2017 at 1:31 PM, TremF said:

I replaced all the original screws in the early days of owning it after the heads snapped off 3 that Gotway had used!

It's becoming clear that Gotway does not want unauthorised people opening their wheels.  And owners are not authorised to do so.  You can do whatever you want, it's you wheel, but would you try to take apart a Ferrari?  No, you would take it in for warranty work.  (just a joke, folks)

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5 hours ago, steve454 said:

It's becoming clear that Gotway does not want unauthorised people opening their wheels.  And owners are not authorised to do so.  You can do whatever you want, it's you wheel, but would you try to take apart a Ferrari?  No, you would take it in for warranty work.

No it's not becoming clear at all. How do you work this out? Using crap screws doesn't mean they don't want people to open them and the heads were snapping off their cheap screws while we were riding. If we didn't replace them then eventually either we wouldn't be able to take the side panels off or there would be noting to hold them in place. 

Also if we don't open them how do you think we are to change the tire/fix punctures? As for the rest - if we aren't supposed to do it ourselves then why do you think they sell the replacement parts?

 

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17 hours ago, steve454 said:

It's becoming clear that Gotway does not want unauthorised people opening their wheels.  And owners are not authorised to do so.  You can do whatever you want, it's you wheel, but would you try to take apart a Ferrari?  No, you would take it in for warranty work.

Its not a Ferrari. Its more like a home garage, Hot-Rod, Put together from parts from other companies by people that don't understand if you put two washers on the left and one on the right is not ok to reverse. By people that think silicon fixes everythink. By people that think hot-glue can hold a metal piece to a plastic piece on a high shock and vibratin environment. By people putting a pedal on a shaft designed to support an orthagonal force and use it to support a torsional force(how come my motor shaft breaks?). The only original think is the bodywork. At least for Gotway. The motor is purchased from e-bike motors, the controller is from Motorworks, the tire is from whatever they find.

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4 hours ago, Carlos E Rodriguez said:

Its not a Ferrari. Its more like a home garage, Hot-Rod,

I know, I was joking, but Gotway does seem to be proud of their wheels.  They do have some of the highest performance wheels anywhere.  If they can improve the quality and materials their wheels will be much better.

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23 minutes ago, steve454 said:

I know, I was joking, but Gotway does seem to be proud of their wheels.  They do have some of the highest performance wheels anywhere.  If they can improve the quality and materials their wheels will be much better.

And the APP is also useless. 

Disclosure. I ride a MCM4 and I like it very much. 

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On 5/11/2017 at 1:31 PM, TremF said:

As it is I can still use it for work and charge every 2 - 3 days depending on my route too & from work - once it starts beeping I will still have enough charge to get home the short route IF I let it get that low.

That kind of seems bad, reminds me of the car I had that the gas gauge didn't work and I had to use the tripmeter to guess how much fuel was in the tank. But without the app, you don't have a tripmeter.  I knew the car could go at least a certain distance and gave myself a big cushion for full throttle takeoffs and heavy usage.  Your idea seems to be good, to top it off every two-three days. With an 820,, the range is so great compared to the Ninebot, it looks like you would never be less than 50 percent battery and would be less in chance of low voltage beep. At least you have the low voltage beep, that's good to have.

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  • 4 weeks later...
On 5/12/2017 at 1:28 PM, Carlos E Rodriguez said:

Put together from parts from other companies by people that don't understand if you put two washers on the left and one on the right is not ok to reverse. By people that think silicon fixes everythink. By people that think hot-glue can hold a metal piece to a plastic piece on a high shock and vibratin environment. By people putting a pedal on a shaft designed to support an orthagonal force and use it to support a torsional force(how come my motor shaft breaks?). The only original think is the bodywork. At least for Gotway. The motor is purchased from e-bike motors, the controller is from Motorworks, the tire is from whatever they find.

Remember the trends studied and written about in business books, like "The Toyota Way", "The Apple Way", etc.? In a few years, aspiring EUC company CEOs will be studying "The Gotway Way" summarized by Carlos above to learn how to rise to number one EUC company!

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On 5/12/2017 at 6:57 PM, Carlos E Rodriguez said:

Disclosure. I ride a MCM4 and I like it very much. 

I have a MCM3 that I like very much. I don't ride it for long distances, because the 14-inch wheel makes cracks, rocks, etc. hard to handle. But I love riding it a short distance back and forth to my office, and around the college campus where I work, and the compact size makes it perfect for carrying in buildings and very maneuverable among crowds of students walking between classes.

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