Dolphin S200

[icehousedoo]

Hi Everyone,
Have the S200 with the usual short run time issue. All motors run momentarily but then it stops completely.
Have tested each motor and they are all in spec (draw less power than they are rated when running dry), no shorts between windings and even tried a different stepper motor.
Power at the robot is a consistent 29v.
I've noticed on the circuit board the J2 led starts a high speed flash after the self test fails and was wondering if anyone new how to diagnose this device? or if you understand the circuit schematics?
From what I can tell this model simply recieves power from the power supply (no smarts between power supply and robot). The actual robot then runs a built in sequence.
Cheers

 

[Jimrahbe]

Ice,

Sorry, I can't answer any of your questions, but I do know that it takes more effort (current) to move the robot underwater than it does on the work bench.

Unfortunately, it does not just tell you there is an self-test failure, but it also shuts off. Since you can't really fix anything, what is the point of the self-test?

Thanks,

Jim R.

 

[icehousedoo]

Thanks Jim, All testing I've done is out of the water, have it all pulled apart so I could load and insulation resistance test the three motors. But still get failures.
Thinking of creating my own custom PCB and logic to run it, but realistically that would be a fair learning curve.

 

[aacp]

Thanks Jim, All testing I've done is out of the water, have it all pulled apart so I could load and insulation resistance test the three motors. But still get failures.
Thinking of creating my own custom PCB and logic to run it, but realistically that would be a fair learning curve.

I have the same problem after fixing the turbine motor. After the test, it start the green led flashing like you described. I have even try the unit underwater to no avail. I'm gonna keep trying different things and let you guy know.