1 Topic by RyKostec (edited by RyKostec 2018-08-03 15:22:04)

  • RyKostec
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Topic: Do I have a bad Main Board or is a resistor bad?

Hello!.
First time asking a question here.
I have a DaVinci AIO 1.0. It was printing great with no problems. Then suddenly I noticed when I would be printing out an 8 hour job that on layer 6 the machine seem to stop extruding material. I have the machined flashed with Repitier Host so I would stop the print unload and load the material back in and resume print. this would work trying to get through that layer 6. (layer 6 it the last Perimeter before the infill starts).
The printer finished the 8 hour run and part turned our great besides where I was chugging along to get layer 6 to come through.

But now. When I start the printer and start the print I get a decouple error and a M999 need to be resolved and my front LCD screen does not light up.

I was doing some research and found people had some similar  issues with the decouple error.
Few people found that if they just bridge the J4 thermistor (resistor) they can get there extruding to work properly again. I did that I still had the same issue. Everything else on the printer works properly. I just don't know what's going on?

Now I have another issue. I was taking a Multimeter and measuring the DC Voltage coming off the Main black connector on the board. While looking at the meter I accidentally touched the 12v and the 5v prong with my meter lead. I seen a spark so I shut the machine down, I started it back up and wont turn on now.
I disconnected the black connector from the main board while keeping the white connected and started the machine back up and the machine did start up just fine. I haven't checked the DC voltage yet on the black connector but would anybody know what is going on? Did I blow my Power supply now?
I NEED SOME HELP!!

Thank you!

2 Reply by RyKostec (edited by RyKostec 2018-08-05 02:11:28)

  • RyKostec
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Re: Do I have a bad Main Board or is a resistor bad?

Just an update, I took my meter and measured the DC V on the Power Supply. on the black Connector, it was reading all correct.
Next I did a Ohms/Resistors check on the board connector and was not able to get any resistance read when I was touching the ground and 12v and 3.3v. Does any body know what happened to that connector on the board?

3 Reply by carl_m1968

  • carl_m1968
  • carl_m1968
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Re: Do I have a bad Main Board or is a resistor bad?

Those connections have zero ohm resistors near them that are used as fuses. One of those is most likely open. I no longer have an accursed XYZ machine so I have no board I can use as a reference for location. But they should be near the connector and the filter capacitors.

Printing since 2009 and still love it!
Anycubic 4MAX best $225 ever invested.
Voxelabs Proxima SLA. 6 inch 2k Mono LCD.
Anycubic Predator, massive Delta machine. 450 x 370 print envelope.