HELP: VESC was working fine, now wont connect or work!

ESK8 Electronics
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So I recently made my new board and everything was working fine, I set my vesc settings in vesc tool, set one and slave and the other as master and connected them and set the appropriate settings: motor max: 60 amps min -40 Bat max: 30 min: -20, the battery cutoff, set the max erpm to 60000 and -60000, took it for a ride and everything was working perfectly, got home unplugged the loop key and came back to it 5 mins later plugged loop key back in and remote wouldn’t connected so I opened the board and plugged in the vesc and now it isn’t connecting to the computer, either of them! I tried using different cables unplugging and plugging back in but I wont connect to the pc, please help.

My boards specs: dual flipsky vesc 4.12 dual sk3 6364 190kvs 5ah Turnigy 25c lipo

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Any ideads @dareno or @Winfly? Help would be appreciated

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Who dares summon me?

Whats the lights on the vesc telling you?

3 Likes
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Do the led turns on at all? And is there a red led lit up ( red is fault)?

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there is a blue and a green light lit

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Well that means the VESC still turns on. Do you have a 4.20 dual or 2 singles?

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2 singles over can-bus

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if you switch it off, disconnect canbus and just power one vesc up with the receiver, does it then work?

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also type fault into the terminal of each vesc and post the results

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the power cables are wired together so I cant only power one but I disconnected them from canbus and tried one but it still wont connect, and I cant check terminal for faults because they wont connect.

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welp, i tried i got nutting

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I just don’t understand because they were just working

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Could be that either you USB cable is broken. Or the USB port is broken. Try wiggle the USB port to see if you get connection at some angle.

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tried multiple cables, on multiple ports, across multiple computers

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@Winfly @mynamesmatt now when I try to connect it, it says nor firmware read version even though it had firmware when I edited settings before. How can firmware just disappear?

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Heres is the code from console when it connected:

2018-11-30 11:04:05: VESC® Tool 0.94 started 2018-11-30 11:04:05: Status: Not connected 2018-11-30 11:07:37: Status: Connected (serial) to COM3 2018-11-30 11:07:37: Status: VESC Firmware Version 3.38, Hardware: 410, UUID: 3A 00 28 00 02 50 48 47 50 34 37 20 2018-11-30 11:07:38: Status: MC configuration updated 2018-11-30 11:07:38: Status: App configuration updated 2018-11-30 11:08:08: Status: MCCONF Write OK 2018-11-30 11:08:08: Status: MC configuration updated 2018-11-30 11:08:09: Status: APPCONF Write OK 2018-11-30 11:08:17: Status: Serial port error: The I/O operation has been aborted because of either a thread exit or an application request. 2018-11-30 11:08:20: Status: Not connected 2018-11-30 11:08:40: Status: Connected (serial) to COM3 2018-11-30 11:08:40: Status: VESC Firmware Version 3.38, Hardware: 410, UUID: 3B 00 26 00 02 50 48 47 50 34 37 20 2018-11-30 11:08:48: Status: MCCONF Write OK 2018-11-30 11:08:48: Status: MC configuration updated 2018-11-30 11:08:49: Status: APPCONF Write OK 2018-11-30 11:08:54: Status: Serial port error: The I/O operation has been aborted because of either a thread exit or an application request. 2018-11-30 11:08:57: Status: Not connected 2018-11-30 11:11:12: Status: Connected (serial) to COM3 2018-11-30 11:11:15: Status: No firmware read response 2018-11-30 11:11:18: Status: Not connected 2018-11-30 11:11:20: Status: Connected (serial) to COM3 2018-11-30 11:11:23: Status: No firmware read response 2018-11-30 11:11:26: Status: Not connected 2018-11-30 11:11:38: Status: Connected (serial) to COM3 2018-11-30 11:11:38: Status: Connected (serial) to COM1 2018-11-30 11:11:39: Status: Not connected 2018-11-30 11:11:54: Status: Connected (serial) to COM1 2018-11-30 11:11:58: Status: No firmware read response 2018-11-30 11:12:00: Status: Not connected 2018-11-30 11:12:35: Status: Connected (serial) to COM1 2018-11-30 11:12:38: Status: No firmware read response 2018-11-30 12:11:16: Status: Not connected 2018-11-30 12:11:17: Status: Connected (serial) to COM1 2018-11-30 12:11:21: Status: No firmware read response 2018-11-30 12:11:25: Status: Not connected 2018-11-30 12:13:03: Status: Connected (serial) to COM1 2018-11-30 12:13:06: Status: No firmware read response 2018-11-30 12:13:10: Status: Not connected 2018-11-30 12:16:15: Status: Connected (serial) to COM1 2018-11-30 12:16:18: Status: No firmware read response 2018-11-30 12:42:55: Status: Not connected 2018-11-30 12:42:58: Status: Connected (serial) to COM1 2018-11-30 12:43:01: Status: No firmware read response 2018-11-30 12:43:04: Status: Not connected

As you can see it connected fine and had firmware, I updated the settings , went for a ride and when I came bag and plugged it in, nothing

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Does anyone know what this codes means? @dareno @Winfly

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@JohnnyMeduse

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Nice dodge. I have no clue.

1 Like
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@AdamE3399 Can you still see if the device connects to the PC?