Quote:
Originally Posted by Jon Stratis
It's hard to tell exactly what the problem is, can you describe it?
Check how everything is wired. Can you guarantee that the wires from each motor go I to a separate speed controller, and nothing is accidentally crosswired?
Take a look at the LEDs on your speed controllers. You should see two light up for each side (note red/green for each!), Then running all of them forward you should see them all light up the same way they did when you ran each side individually. Do this without the motors hooked up to avoid having the breaker trip. That would rule out a code issue.
Are you sure your motors are going in the same direction inside each gearbox? If the polarity on a motor is reversed, you may be sending them in opposite directions, making them fight against each other.
Do you have a clamp meter you can use to measure each motors current while running? You may find that one or two motors are running "hot", helping you to narrow down the location of the problem.
Can you try running it without any belts? Misaligned belts or significant friction could cause armour issues.
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Quote:
Originally Posted by Owen Busler
We had a similar problem where either due to how the motors were wired or how it was programmed the motors were fighting in the Gearbox. They were spinning different directions. You can try to disable one motor at a time to diagnose.
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Quote:
Originally Posted by G_rupp
Are you using Y cables to the motor controllers or individual PWM wires?
If you are not using Y cables, make sure that your code is sending the control to the correct PWM
You can remove circuit breakers for each of the motors and run each side 1 breaker at a time.
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I noticed it said brownout protection on the dash whenever the problem occurred so we switched out the battery and everything seem to go a little better. We no longer loose connection from driving the 4 motors but out of curiosity how many CIMS can we drive at the same time at full power?