Recent content by USER1

  1. U

    Power Supply Help

    3DD13009 underneath that it says SB MB I also found the controller on the 3D printer has two re-settable fuses one 5amp and one 11amp for controlling the motors and heated elements. so that means it cant pull more then around192 watts without one of the fuses going? Which seems well under the...
  2. U

    Power Supply Help

    Yes thats correct I left it on the board. Now with the switch in the 230 volt position it tests out fine. I tried it multiple times mirrors the video now. Ah gotcha missed that, the number on the controller is KA7500BD Underneath it continues with H553TT
  3. U

    Power Supply Help

    Thank you for the pictures and video. I followed the video and it looks like when I test the positive to ac on the left it gives a reading and when I swap them I get a reading. So that means that diode is bad right? All the other ones worked like the video but I have a feeling its all or non...
  4. U

    Power Supply Help

    okay got the board out. In the picture its orientated with the ac inputs on the bottom. Thank you for the help 73's de Edd
  5. U

    Power Supply Help

    fair enough haha. I do have multimeter with a basic understanding of it. What kind of tests, if you dont mind helping out?
  6. U

    Power Supply Help

    Thank you for the reply. No the fuse didnt blow. Does that mean something? Thank you for all the information. I ordered some of the thermistors and im going to see what happens with a new one installed.
  7. U

    Power Supply Help

    It has the option for either voltage I selected the 110v. my outlet read 123.4
  8. U

    Power Supply Help

    Here it is still installed in the PSU. Thank you again for the help.
  9. U

    Power Supply Help

    Hey! thank you for the welcome and reply. Its a prebuilt one, here's a link to it. I dont have a circuit schematic for it but ill see if I can find one. Unsure about a varistor too... http://openbuildspartstore.com/12v-30a-power-supply/
  10. U

    Power Supply Help

    So I built a 3D printer kit and im using the recommenced power supply from open builds, 12V 30A power supply. Well the first one blew a thermistor I believe it is a ntc 5D-15. They sent me a new one and it happened again and it seemed to happen while the printer was unplugged and off, since I...
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