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VESC - FAULT_CODE_DRV : motor no more spinning

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Sat, 2018-05-19 12:27
#1
piepolitb
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VESC - FAULT_CODE_DRV : motor no more spinning

Hello guys, first post here and REALLY newbie here.

I checked similar discussion, found some, but don’t really get the solutions (if any). So please address me to the correct post if needed.

I’ve got

everything run by 12s battery, in BLDC Sensorless mode.

The system worked fine on bench test and on street test.

I stopped after few kms to measure the battery voltage and when I tried to restart, I got nothing, just red led blinking 3 times when I push the throttle up.

I walked home and connected the VESC to VESC tool:

  • in real time data I get FAULT_CODE_DRV

  • when I run the motor detection I get “Bad Detection Results Receiver”

I tried rebooting the VESC, reflashing the firmware and all the basics I read all around

 

also strange thing is that when I use the arrow key to spin the motor, it sometimes works with left/right keys while it never works (FAULT: DRV) with up and down keys

Any suggestions/ideas?

thanks

Giuseppe

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Mon, 2018-05-21 17:08
piepolitb
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UPDATE:

if I give it a little "jump start", a little initial rotating speed manually to the wheel, it works: motor spinning and no fault code.
The motor is not spun and I get the FAULT_CODE_DRV just if I give throttle from standing still
ideas?
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Mon, 2018-05-28 01:06
(Reply to #2)
ah27182
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Yeah im getting this same error, a slow start seems to give a red led and no movement.

Ahmed Husain

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Mon, 2018-05-28 17:42
josh
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The DRV chip is probably on its way out. Since you are running 12s voltage, they sometimes had issues doing that on 4.xx hardware. I killed at least 5 of them during my builds. Are you running FOC or BLDC mode?

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Wed, 2020-03-11 20:11
seif
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Hello,

@josh i have the same problem now killed 4 vesc !

12s voltage , vesc 4.12 and motor 190kv exactly like @piepolitb​

I am running the FOC + Duty cycle mode in which i think the only available setting to set the max ramp current is time (Positive Ramping Time=0.9 and Negative Ramping Time =0.9).

For some reason that configuration kills the DRV chip !

Any suggestions ? 

 

Fault : FAULT_CODE_DRV

Current : 0.5

Current filtered : -0.3

Voltage : 24.48

Duty : -0.001

RPM : -10.6

Tacho : -609

Cycles running : 0

TIM duty : -5

TIM val samp : 545

TIM current samp : 2945

TIM top : 4800

Comm step : 5

Temperature : 19.75

 

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