So I recently pickled up 4 Maytech superfoc 6.8’s from them and incorporated them into a 4wd solution. Got the build finished and all buttoned up so I program the VESC’s for my appropriate specs. Go to test ride it and when it reaches about 5mph (slower in most cases) it completely shuts off. I can cycle the power and it will go again but as soon as it hits around 5 it dies again. It is consistent and happens every time.
First thought is it’s a VESC problem. Let me back up, When I went to first program the VESC’s the firmware was on 3.61 or something like that. The newest is 5.1. After many repeated attempts (all of them ending with the VESC tool telling me that the firmware was successfully updated - it wasn’t) at trying to update I ended the evening with two VESC being updated and the other two not. I kept getting errors mainly with the tool telling me either the firmware was too old and wouldn’t run the wizards, or flat out refuse to connect to the VESC.
Today I used the VESC android app and it seemed to have updated all four VESC successfully (after several firmware read errors). I was even able to run the motors and app wizards on all four VESC’s. Yet I still get this problem with not being able to go over 5mph. The battery is 10s4p and brand spanking new, not even one cycle through it yet (it’s fully charged according to voltmeter).
I’m sure some screenshots would help you guys but which ones do I snapshot? I can’t find one that shows amperage cutoff value.
Exactly my thinking. It’s been a hot minute since I’ve run vesc since I’m still a Unity bitch, but @kchxaz I wouldn’t rule out the possibility that you might have a bad usb connection? Try a different cable and take things slow. I remember I turned off the vesc a second too soon after uploading the firmware and I had to unfuck myself
Not the cable. I use the same cable to flash custom ROM’s (firmware) on my bootloader unlocked android. Only the “best” cables can do this, so I’m pretty sure it isn’t that. I blame the USB on my lap top but with the mouse USB receiver plugged in it works fine, so that’s out, I think.
Yeah, I know. Those values are right there in the PC VESC tool (which is why I prefer it) but if they are in the app version I have no idea where they are. But the app is the only thing I can connect with right now.
Try changing the USB cable. I would not continue forward until you are consistently and reliably able to update the firmware and ensure that the parameters your setting are being retained