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  1. So here is what solved the issue. We changed the firmware to UM 2. Then tested the machine. It worked fine. So then we changed the firmware to UM2+. The problem is resolved. Thanks to all who have answered. -Small
  2. Yes I had accidentally placed the orange blue wire fan into 8/16 connector. I now fixed it and changed it to where it should be (In the green box indicated in the picture attached. But according to the Ultimaker 2+ instructions video, the yellow green wires for the rear fan are supposed to go 'FAN PWM' (Light blue box in my picture) and that's where they are placed even in an another UM2+ I own. Thus that where I hae them right now unlike the pins marked in blue box in your picture. Now when I changed the port and turned on the printer, the buildplate rises and hits the extruder so I manually shut the printer down. I also upgraded the firmware to 2.3. I would do a factory reset but am not able to get past the calibration point due to the build-plate bumping into the extruder in the first step. Thanks for your input. You were correct to point out that I placed the connector in the wrong slot. What should I do now? Best, Small
  3. Yes I had accidentally placed the orange blue wire fan into 8/16 connector. I now fixed it and changed it to where it should be (In the green box indicated in the picture attached. But now the build-plate hits the extruder without stopping. -Best Small
  4. Since I just did the up gradation, am stuck on the calibration process. The printer wont let me move ahead to raise and lower the build platform. But, I checked the Z Limit Switch. Its is functioning properly. Checked all wires. They see intact. Thanks -Small
  5. Hi, I upgraded Ultimaker 2 to Ultimakr 2+ with their extrusion upgrade kit. Watched the video of instructions and did it exactly as per the instructions (Have done a similar thing to an other UM2 printer and was installed successfully). Please watch the attached link for the video After up-gradation kit was installed the firmware was upgraded to version 2.3. Started the calibration process after turning on the printer. After the calibration step is about to complete. The build platform moves not all the way down (Shown in video) and gives an ERROR - STOPPED Z Switch Broken Thought it was an firmware issue. So changed the firmware from Cura 2.3 to 15.04.6. But the problem still exists. Checked the Ultimaker website for troubleshoot 'ER05' and according to it I checked the main board and all connectors to ensure all connections were not loose. Please help me recognize what went wrong during installation. Best, Small
  6. Thanks Neotko! Appreciate everyone who responded for your input. -Small
  7. Hello Neotko, Please see attached image. Its the polou info for the company that makes steps motors locally: BH42 SH 47-1704 AF . The only major difference I see if I am not wrong is that the one Ultimaker 2 uses SY42STH38-1684A has Drive Set - Voltage 24 VAC Constant Current: 1.68 A Half Step and the one available to me Drive Set - Voltage 24 VAC Constant Current: 1.7 A Full Step. Does that make a difference? Thanks for all your help. -Small
  8. I found a local supplier with the following specifications: NEMA 17 stepper motor with a 1.8º step angle; Holding torque 0.44 Nm/4.4 Kg-cm. Current 1.7 A Does anyone know if it should work? Thanks!
  9. Yes I checked, its the stepper motor. I peeled off the sticker from the motor, here are the numbers I foind on the sticker: SY42STH38-1684A 060038101 The dimension on the Y axis is motor are: 39 X 40 mm. Thanks!
  10. Hi, My Ultimaker 2's stepper motor (Y Axis) doesn't work anymore and I urgently need to install a new one. Ordering one form ultimaker will take a long time. Anyone aware of the configuration of the kind of stepper motor they use in Ultimaker 2. Is it NEMA 16 0.9 or 1.8? Thanks in advance. Small
  11. Hello all, Thank you all so much for the support. The Y motor was the problem. I dissembled it from the unit. Upon inspection, the turns were a bit rigid. Opened the motor, then took the rotor out. I manually turned it a couple of times till it was smooth. Put it back and now its working fine. Really appreciate all your help! 8)
  12. We tried to narrow down the problem to X and Y axis. For that we made the printer run X axis and Y axis in 2 separate prints. Here are the results. Y Axis Print: X Axis Print: Seems like some problem with the Y axis (Motor). Any suggestions?
  13. Thanks for getting back. I will try opening the micro switch as you mentioned and check it with a multi-meter.
  14. Thank you for getting back. We did update the firmware when the machine started to act out. But did not factory reset. But am going to try and do both again. Yes, it still made the noise when we lowered the current. The print head moves smoothly with the power off. Will do the necessary like you asked and post soon. Thanks again.
  15. Thanks for responding @IRobertI. sorry about the video. Posting better video's below. I did check all the pulley's. Yes, that included those on the motor shaft as well. I tightened all of them. They seem to work fine. The belt aren't skipping teeth. Checked on that. Nothing is scraping against the walls of the machine. Oiled all the rods. The noise seems to be coming from the print head. When I try to home the print head, this it what it does: Then its reads X or Y limit switch broken on the screen. I checked to see if the X limit switch was working: Its works fine. As shown in the video below: I checked to see if the Y limit switch was working: Its works fine. As shown in the video below: Here is an overview of the machine as it is right now. I have focused on all the parts. I can't seem to figure out what might be broken. Thanks!
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