E3D Toolchanger Issue
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There doesn’t seem to be a pock mark to me. I think it looks ok but I’m no expert. Is this photo any better?
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Also, I don't feel any heat from it.
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that's a bit clearer. It's tough to photo because at that scale compression artifacts can be pretty bad.
When and where did you purchase the Duet?
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@Phaedrux Purchased it with the Toolchanger kit from E3D on November 16th, 2020.
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Can you disconnect everything and connect the duet to your PC via USB and see if it shows up in device manager?
Basically follow these steps: https://duet3d.dozuki.com/Wiki/What_to_do_if_your_Duet_won't_respond#Section_Connect_to_a_PC_via_USB_and_look_for_the_port
Do the same for the PanelDue and connect via USB as if to flash it and see if the screen powers up and is detected in Bossa.
https://duet3d.dozuki.com/Wiki/PanelDue_Firmware_update#Section_Firmware_update_via_USB
When you say the main fuse is blown, is that visually it looks blown or did you test for continuity with a multimeter?
Do you have a fuse to replace it with?
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@Phaedrux said in E3D Toolchanger Issue:
Can you disconnect everything and connect the duet to your PC via USB and see if it shows up in device manager?
Basically follow these steps: https://duet3d.dozuki.com/Wiki/What_to_do_if_your_Duet_won't_respond#Section_Connect_to_a_PC_via_USB_and_look_for_the_port
Nothing shows up at all. I've tried all of my USB ports and different USB cables.
Do the same for the PanelDue and connect via USB as if to flash it and see if the screen powers up and is detected in Bossa.
https://duet3d.dozuki.com/Wiki/PanelDue_Firmware_update#Section_Firmware_update_via_USB
The PanelDue isn't important to me right now. It's a super old one that I got from a co-worker anyway. Also, I wouldn't be able to install Bossa without a sys admin here at work. And during the lockdown that could take a while. It does power up just fine though when connected to USB.
When you say the main fuse is blown, is that visually it looks blown or did you test for continuity with a multimeter?
Both visually and tested with a multimeter. I don't have a replacement for it yet, but I ordered some from Filastruder.
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@mnieves2082 said in E3D Toolchanger Issue:
Nothing shows up at all. I've tried all of my USB ports and different USB cables.
Did you go through to the next step in that link of using the erase button? That may get it to show up as a bossa port hopefully.
@mnieves2082 said in E3D Toolchanger Issue:
Both visually and tested with a multimeter. I don't have a replacement for it yet, but I ordered some from Filastruder.
Will need to get the fuse sorted before we can test vin. That's why I was hoping USB would at least show us a sign of life since the 5V LED comes on when USB is connected, right?
Are you sure the USB ports are working on your PC? If it were a ground loop that can often damage the USB ports on the duet and/or PC it was connected to.
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@Phaedrux said in E3D Toolchanger Issue:
Did you go through to the next step in that link of using the erase button? That may get it to show up as a bossa port hopefully.
Just did this, and now it is showing up as a Bossa port.
Will need to get the fuse sorted before we can test vin. That's why I was hoping USB would at least show us a sign of life since the 5V LED comes on when USB is connected, right?
They've already shipped so they should arrive soon.
Are you sure the USB ports are working on your PC? If it were a ground loop that can often damage the USB ports on the duet and/or PC it was connected to.
Yes they are working. I checked and double checked by plugging in other peripherals.
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Ok a bossa port is a good sign at least. Flashing the firmware will hopefully bring it back to life.
I'm reluctant to suggest this because it's obvious something happened to cause the fuse to blow, but if you wanted to test if vin was working you could bridge the fuse connector with a wire to see if 5v and 3v LEDs power up when vin is connected.
Though that won't be much use until you can flash it with Bossa anyway.
In meantime would be worth going over the wiring and mounting to check for any potential electrical shorts.
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I just bridged it and the 5v and 3v LEDs did light up!
I'll go through the wiring first thing Monday morning since they don't want anyone in the office after hours right now.
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Good to hear. Hopefully the board is recoverable.
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I successfully recovered the board. I've checked and rechecked the wiring and everything looks fine. I'm not really sure what could have caused this.
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Good to hear. It's hard to say. Seems like a short to take out the fuse.
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Our office building has been going through significant construction which has caused brownouts and power surges recently. Could that have contributed to it? Thanks for all the help BTW, appreciate it.
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I suppose anything is possible.
