I think I'll move the zip tie up about an inch.   This should allow a larger section of the wire to rotate and not just the little bit right at the connector, so hopefully it will put less stress on the wire at the connection point.   Or, maybe, I"ll take @workwesty's advice and zip tie it to the unused screw hole on the extruder fan cover.

Had the same problem and same solution.  However I ziptied the cable bundle down so it won't wiggle that wire until it breaks. I used the unused screw hole on the extruder fan.

So I had to  fix the wire again it wiggles so much that it breaks its self off. If I ever get a new one from Solidoodle I think I will shrink wrap the cables together and maybe that will reduce the wiggling.

For now, I don't ever let it get plugged in when I'm not sitting in the room.   To make sure, I take the power cord off when I turn it off.

So, were not sure just how or where to measure the voltages. Are there test points on the circuitboard? Where should we put a multimeter?

Either side of the potentiometers.  There is a single contact on one side and two on the other... Put the multimeter on the pad on the single side and the pad closest to where the connectors are on the board on the side with two.  Make sure you adjust and then test, don't test with the screwdriver still in the pot.

So, were not sure just how or where to measure the voltages. Are there test points on the circuitboard? Where should we put a multimeter?

On both sides of the motor output connectors are ground points.  You can probe the trimpot on the side that has one lead.  The bottom right lead of the trimpot is ground as well, but harder to reach I think.  The bottom left lead connects to a resistor.

http://www.thingiverse.com/thing:53451

I printed it at 0.3mm resolution, and it printed for just over 2 hours with Soliprint v1.1.0.  I actually expected it to bind up and not turn easily like others have reported, but it came out of the printer and all the bearings turned immediately with no excessive force at all.

I've been skeptical for the past two weeks because of the number and severity of problems I've encountered with the initial version of the Press, but I want to encourage others that once you get past all the design issues and get it calibrated properly, the Press has the capability of printing some pretty nice stuff!

I still have some outstanding issues, but at least I'm now up and printing.   Thanks to everyone that assisted in getting a newbie through all the startup issues.

I threw in a picture of an octopus that I just finished, just for good measure!

ISSUE:  Extruder stepper going thump, thump, thump but not turning.
CAUSE:  The wiring bundle going to the extruder get frayed and breaks,
FIX:  Resolder the connectors on the connector on the top of the extruder stepper

This is a problem that multiple users have seen and at least three of us have fixed it the same way, so it looks like a design/manufacturing defect.   The connector to the extruder stepper motor is so tight that moving back and forward strains the wires until they break.  Since the connector is held by insulation of the wire, it may not be obvious that the connection has failed.   The only way to test is to use a multimeter to make sure that the wire is unbroken from the motherboard connector to the extruder motor connector.

This was first diagnosed by Eric Albert (thank you very much):   http://renaissance-engineer.net/2015/01 … epic-fail/ but has been seen by at least four other Press owners.

I've attached a copy of Eric's picture of the extruder stepper motor connector and circled the place where the wires are likely to break.

Note that you'll have to readjust all of the trimpots after you fix the connector.   For some reason, as soon as I reconnected the broken power cable, all of the other stepper motor voltages changed dramatically, so I had to readjust the trimpots.

Hope this helps.