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FLSUN Printer Issue
Hello, I am new to 3D printing and as a recent birthday gift I received an FLSUN i3 auto leveling system with dual Z motors. Building the printer was pretty self explanatory till I get to the wiring. I seem to be having an issue with the power unit though. I went to plug in the power unit and I either keep popping fuses, or sparks will come out of the outlet itself. I did switch the power unit to the 110v. Any ideas what could be causing this? I checked my circuit breakers, and all are 120v circtuits throughout the house. Any help is appreciated and looking forward to learning more. Thanks
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Post an image on the Power supply with wiring, Another of the Controller wiring.
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Here is everything wired up that came with the kit.
https://imageshack.com/my/images
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Could not find any images.
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you have 2 wires attached to one connector and spare connectors. any particular reason ?
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Those are for 2 fans. Wired like the assembly shows.
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2 Attachment(s)
Hello
Here is what I am thinking, as every power supply I own of this style looks like this.
Attachment 12719Attachment 12720
Would like to see the labels on your power supply If it is like my power supplies then all the wiring is wrong.
As you can see The DC voltage is on the Left and the AC voltage is on the right
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Yor are definitely correct!! I looked and all labeled just like yours. I went by all the pictures in the assembly process. They must have the camera flipped or a reverse image or something. How should the wiring be? Complete opposite of what I have then??
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Mirror image the Wires
Red, Black, Brown Blue
I use a Spare Computer Power Cord because it has 3 Wires,
If you look at the first photo you can see the Colored Marker labels
Brown = L
Blue = N
Green = Ground symbol
This must have been totally scary when the sparks flew.
This should not have burned up the Supply, but if it did should be under warranty.
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Here is how I have it wired up. I?m afraid to plug it in till I know it is 100% perfect now. Just wanna double check and make sure it?s done right.
https://imagizer.imageshack.com/v2/1...923/D4X0YL.jpg
https://imagizer.imageshack.com/v2/1...924/vXmmJk.jpg
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Red to Plus
Black to minus
Brown to line
Blue to neutral
Power switch to 120Vac
This look correct.
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Well that didn?t work either. It still sparked and popped at the outlet
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Where are you? Do not be exact Country is enough.
The power supply could have been destroyed, by incorrect wiring get a replacement under warranty.
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Do you have a multi-meter?
If so could you measure the resistance across the GND symbol, N and L terminals.
This is the 3 right most terminals on the Connector Strip.
With no wires connected measures across the three terminals there should be no resistance.
It any resistance is measured between any of the 3 pins then the power supply is shorted.
I would try to power the Supply with nothing connected to the plus and minus terminals.
An only connect the L and N terminals for this test if the LED on the circuit board does not light then Controller could be bad.
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Ok new power supply has been hooked up, and installed a 3 wire 3 prong plug. The power supply works great now. Fans kick in and all. Now I started going through the repetier program for the printer. I can load the file and go through all the slicer part (using cursa) but the bed and extruded do not heat and it just doesn?t move. (I did calibrate with home button etc. and swapped wires Incase I got something backwards) but still can?t print. Anything I should look for? Sorry for all the issues. This is literally brand new to me and I?m trying to learn this
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Ok. So I have filament moving through the nozzle and comes out perfect but the printer itself does not move for some reason. I loaded a small file to print. Went through slicer. Gave me a time. Hit start and it just sits there with filament coming out.
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Do you know what the Controller for your 3D Print is.
We should try something simple. Auto Home the printer.
Then using the LCD move the X,Y and Z to there extremes a little at a to say 10mm increments.
Then return them to there home positions in 10 mm increments until they have returned to home.
If you can do this, then we need to setup the Slicer program to work with the 3D Printer.
If you cannot then we need to check out how smoothly the X-Y axis travel is.
The Y carriage should be easily moved with power off as well as the X axis nozzle assembly carriage .
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No I do not know what the controller is unfortunately. I tried moving the x y z axis and no movement
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If you have an email address I can send a video of what the printer does when the home button is hit and what the lcd screen is showing
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Looking at the Web it look like you have 4 Stepper motor driver modules and a RAMPS1.4.
Found it here did I correctly identify your 3D Printer.
I normally Upload all my attachments to a Google Drive share these are free.
Create a Google Drive Upload the Video and Paste the Share link in a post.
I will watch and give you my opinion of what I find.
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Yes. I have an FLSun prusa. Exactly what you mentioned.
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In the video it appears that your 3D Printer is having a hard time finding the end-stop switch.
I also did not see the Z-Axis travel up or down to find the bed.
First you should test the Z-Axis the determine if it will raise and lower. Using the LCD controls.
Then you should test the Z-Axis Proximity Sensor raise the Z-Axis up in the middle then lower it using a metal spatula simulate the bed tap the Sensor.
This should cause the Z-Axis to stop moving down raise a little then continue down again this is part of the double tap to the simulated bed tap sensor again to stop.
If this work then your Z-Axis sensor is detecting the bed. If not then the Z-Axis Proximity Sensor in failing.
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Alright thanks. I really appreciate the help on this. I think what I?m gonna do is go through all the wiring first and make sure everything is plugged in where it needs to be. Especially when parts are not moving tells me to double check all the wiring. Then I?ll go from there. I will keep you posted. Thanks again
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Well after a couple days going back to the beginning here it is finally put together as should, wiring is set and auto level sensor set. Still having issues. I am including a link for the manual and a link for the recent video. I have no clue what to do now.
https://drive.google.com/file/d/1159...w?usp=drivesdk
https://drive.google.com/file/d/1lSY...w?usp=drivesdk
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Have you tried to raise and lower the Z-Axis.
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Yes I have. It does move slowly but does raise and lower. Could it be an issue with the firmware?
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Using a terminal to control the 3D Printer Send "M119 - Endstop States "
Then manually press the end-stops to see if all work.
Then for the Proximity sensor you could use a spatula and tap the senso.r.
I still hear the stepper grinding, maybe the switch works and the end-stop rest plate is not pressing the switch blade...
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The problem I?m having is the bed is going forward but the switch is in the back of the printer. The bed should go backward not forward. Also too with the z limit switch it is not connected due to the auto leveling sensor. Not sure if that is an issue or not. I can?t figure out why the bed goes forwards when it?s suppose to go backwards.
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Simply Change the Direction of the stepper.
// Invert the stepper direction. Change (or reverse the motor connector) if an axis goes the wrong way.
#define INVERT_X_DIR false
#define INVERT_Y_DIR false
#define INVERT_Z_DIR false
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There are two way to change the direction of a Stepper motor.
One - Change in the firmware "#define INVERT_Y_DIR false \\to true "
Two - Rewire to stepper motor to change direction. If this is done wrong the Driver chip can die/become garbage.
https://www.youtube.com/watch?v=-iubywKkNEE
