Search found 5 matches

by Bishop
Wed Nov 25, 2015 3:28 pm
Forum: Troubleshooting
Topic: Weird Stepper Motor Behavior
Replies: 8
Views: 4542

Re: Weird Stepper Motor Behavior

Yea...having the bed and hot end turned on may not have even been a factor. One good thing has come from all of this...aside from having my printer working again. While digging through the firmware code, I gained a better understanding of the actual print process and have a better idea of how to ...
by Bishop
Wed Nov 25, 2015 11:23 am
Forum: Troubleshooting
Topic: Weird Stepper Motor Behavior
Replies: 8
Views: 4542

Re: Weird Stepper Motor Behavior

Okay...so I finally got this figured out. Even though my printer was working with version 0.91, I went ahead and swapped out the power supply to rule this out as the cause. New power supply did not have any effect, so I started looking more into the code. What I found was version 0.91 did not ...
by Bishop
Thu Nov 19, 2015 12:09 pm
Forum: Troubleshooting
Topic: Weird Stepper Motor Behavior
Replies: 8
Views: 4542

Re: Weird Stepper Motor Behavior

I got a chance to check the voltages and here's what I found. Steppers Engaged with Heaters OFF: 12.05VDC +-0.01VDC Steppers Engaged with Heaters ON: 11.05VDC +-0.01VDC After the weird stepper motor behavior ('hiccups') started, the voltages jumped around from 10.52VDC to 11.47VDC; but only when ...
by Bishop
Wed Nov 18, 2015 12:40 pm
Forum: Troubleshooting
Topic: Weird Stepper Motor Behavior
Replies: 8
Views: 4542

Re: Weird Stepper Motor Behavior

Heat the printer up (bed & hot end) and stick a volt meter on the power leads feeding the RAMBo. I'm betting you've got a power supply problem on your hands. g. I was thinking that could be part of the problem, but when running 0.91 everything works as expected. Maybe the P/S was right on the edge ...
by Bishop
Wed Nov 18, 2015 11:52 am
Forum: Troubleshooting
Topic: Weird Stepper Motor Behavior
Replies: 8
Views: 4542

Weird Stepper Motor Behavior

Guys, So far I have not been able to find anything on the Internet discussing my current issue, so I'm looking to the experts (yes, I mean you) for some guidance. My rig is a Rostock MAX V2 (w/o injection molded carriages) that I have had for about a year. Recently I upgraded to the latest version ...

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