Bitzero Problem all the sudden

1

Hoping someone can make a suggestion. All of the sudden I am having issues with my Bitzero 2. This has been working great for about 2 years. Every time I probe I get the following error

GRBL Alarm Code 4
the probe is not in the expected initial state

The strange part is it begins probing fine going right to left but fails each time immediately after touching the front edge of the bitzero and beginning to go towards the back. The red light does illuminate as it touches properly.

This is a Pro 4 XXL. Any suggestions would be appreciated.

I have rebooted everything, reinitialized, tried several bits, and made sure nothing is touching any other parts of the machine. Also made sure my connector is tight.

2

Power up and connect to the machine — what shows under “Active Inputs” on Settings?

Touch the groundlead to the unit — does it register as a probe input? Does that go away when you remove it?

Let us know what you find out at support@carbide3d.com

3

When I touch the magnet to the bitzero it does light up the Probe/Bitsetter radio button and it goes off when I remove it

4

One issue I ran across was the blue painters tape leaving a film on the bit (yes I probe with the bit sometimes). I actually had a piece of tape in the Bit zero one time. So you might have a foreign object on the probe or Bit Zero.

Good luck

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5

Thanks but I already cleaned everything and changed bits - same result

6

For some reason this problem has gone away by itself. Odd but its gone and working correctly. I didn’t do anything different other than wait two days to try again. Ohh well.

7

Sounds like a loose connection. Perhaps a broken wire that will open the connection as it gets moved or bent.

I’ve always trained my technicians that 90% of the time the electrical / electronic problem is mechanical in nature.

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