Flipsky 6.6 dual - half of the VESC not working

ESK8 Electronics
1

After finishing my electronics upgrade of my Evolve GT, I powered on the VESC and connected it to the VESC tool to set up the motors. Unfortunately, the left side of the VESC soon started flashing a red light and now won’t turn on at all. The left green led does flash when powering up but stays off afterward. The VESC-tool also cant connect when I attach the USB-cable to this side of the VESC.

When it was still flashing red, I tried to diagnose the problem in the VESC tool, but I didn’t see any faults show up. Maybe I checked the wrong place?

I can’t see any burn marks on the pcb or mosfets nor did I smell anything burn. Any help is much appreciated, I was sooo close! :frowning:

Board Specs 10s4p Samsung 30q Besttech HCX-223v1 Flipsky Dual 6.6 Metr pro module Nano remote

IMG_20181113_181707

IMG_20181113_181712

2

Yep, I have had the same issue with all 3 of my 6.6’s. I would recommend staying away from them. You likely did nothing wrong. Unfortunately, only vesc 6 I trust is the official one, which frank charges an arm and a leg for. I burnt out 3, which is the cost of a vesc 6. So I really just lost in the end. Not worth it, just buy the real deal.

3

Do you get any error msg in the metr app? Like drv error?

4

Oh shit! Did you contact Flipsky about it? Did they offer you any compensation or offer to RMA it?

5

They offered to fix them. I will send them back to them. But I have to pay shipping to china, which is not cheap.

I have my sources that tell me its a design flaw. So I would stay away.

6

It fails to load the bootloader it seems… You can’t connect, you just get a blue light, no red or green. It’s either failing to load the bootloader it getting stuck.

7

Ahh can’t remember, I’m trying to connect again right now

8

You removed the heat shrink. Could it be possible that you sorted some of the components?

9

Dont think so, at least I cant see anything that’s shorted on the board. When you say heatshrink do you mean the plastic cover of the vesc or the battery heatshrink?

10

Is there anything I can do to fix a bootloader? The green light does flash on at start up but stays off afterwards.

11

Yeah I meant this

12

I guess the only option is to send it to China unfortunately…

13

Aha, well no visible sign of shorts at least. Here’s two more close up pics:

IMG_20181113_191637 IMG_20181113_191633

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I’m not quite sure what the problem is. I just know there is a design flaw. I can’t tell you how I know, but it’s true. Don’t waste your money on it. Return it if you can and buy a better one.

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15

I contacted them and they responded already so at least that’s positive. It seems like I might have to reflash the firmware. Will keep this topic updated, might help others if it works.

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Hi @evoheyax: if you know what the design flaw is then perhaps you could let us all know so that This could be improved on in subsequent versions ?

17

flipsky is already in contact with BV, and donated a few hundred euros to him so far. BV gave them some design input, not sure what happened after that. Been pretty radiosilent.

1 Like
18

Update, I sent my unit back to Flipsky and they sent me a replacement (has yet to arrive).

2 Likes
19

How is the replacement holding up? I’m interested to know :slight_smile:

1 Like
20

It just arrived. Might hook it up this weekend, will let you know.