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Issues with SKR2 burning TMC2209 drivers


k3A7lQ
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Hi, I'm having trouble with "Error: All LOW". I have a SKR 2 with 5x
TMC2209 drivers, purchased from Amazon. I checked, and this is rev B.
I started with custom marlin build, but then switched to SKR 2 marlin
from github when troubleshooting.

At first, it was only a problem with E0. But then I shut off the
board, swapped the drivers around, and it's a problem on all drivers!

Here's my testing:

E1 unplugged:

Recv: Driver registers:
Recv:         X    0x00:00:00:00     Bad response!
Recv:         Y    0xC0:0E:00:00
Recv:         Z    0x00:00:00:00     Bad response!
Recv:         E    0x00:00:00:00     Bad response!
Recv:
Recv:
Recv: Testing X connection... Error: All LOW
Recv: Testing Y connection... OK
Recv: Testing Z connection... Error: All LOW
Recv: Testing E connection... Error: All LOW

E1 plugged:

Recv: Driver registers:
Recv:         X    0x00:00:00:00     Bad response!
Recv:         Y    0xC0:0E:00:00
Recv:         Z    0x00:00:00:00     Bad response!
Recv:         E    0x00:00:00:00     Bad response!
Recv:
Recv:
Recv: Testing X connection... Error: All LOW
Recv: Testing Y connection... OK
Recv: Testing Z connection... Error: All LOW
Recv: Testing E connection... Error: All LOW

Rotate 1 up (move x driver to y, y driver to z, z driver to e0, e0 driver to x):

Recv: Driver registers:
Recv:         X    0x00:00:00:00     Bad response!
Recv:         Y    0x00:00:00:00     Bad response!
Recv:         Z    0xC0:0C:00:00
Recv:         E    0x00:00:00:00     Bad response!
Recv:
Recv:
Recv: Testing X connection... Error: All LOW
Recv: Testing Y connection... Error: All LOW
Recv: Testing Z connection... OK
Recv: Testing E connection... Error: All LOW

Replaced firmware with marlin from
https://github.com/bigtreetech/SKR-2, with only change turning on
TMC_DEBUG & changing to TMC2209:

Recv: Driver registers:
Recv:         X    0x00:00:00:00     Bad response!
Recv:         Y    0x00:00:00:00     Bad response!
Recv:         Z    0x80:0C:00:C0
Recv:         E    0x00:00:00:00     Bad response!
Recv:
Recv:
Recv: Testing X connection... Error: All LOW
Recv: Testing Y connection... Error: All LOW
Recv: Testing Z connection... OK
Recv: Testing E connection... Error: All LOW

Rotate 1 up:

Recv:         X    0x00:00:00:00     Bad response!
Recv:         Y    0x00:00:00:00     Bad response!
Recv:         Z    0x00:00:00:00     Bad response!
Recv:         E    0x80:0C:00:C0
Recv:
Recv:
Recv: Testing X connection... Error: All LOW
Recv: Testing Y connection... Error: All LOW
Recv: Testing Z connection... Error: All LOW
Recv: Testing E connection... OK

Remove all but Z & E0:

Recv: Driver registers:
Recv:         X    0x00:00:00:00     Bad response!
Recv:         Y    0x00:00:00:00     Bad response!
Recv:         Z    0x00:00:00:00     Bad response!
Recv:         E    0x00:00:00:00     Bad response!
Recv:
Recv:
Recv: Testing X connection... Error: All LOW
Recv: Testing Y connection... Error: All LOW
Recv: Testing Z connection... Error: All LOW
Recv: Testing E connection... Error: All LOW

Remove heatsink from Z:

Recv: Driver registers:
Recv:         X    0x00:00:00:00     Bad response!
Recv:         Y    0x00:00:00:00     Bad response!
Recv:         Z    0x00:00:00:00     Bad response!
Recv:         E    0x00:00:00:00     Bad response!
Recv:
Recv:
Recv: Testing X connection... Error: All LOW
Recv: Testing Y connection... Error: All LOW
Recv: Testing Z connection... Error: All LOW
Recv: Testing E connection... Error: All LOW

Do you know what the problem is and how to fix it? It looks like a
defective SKR 2 broke my TMC2209 boards, but I don't know.

Thank you!

Edited by k3A7lQ
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I already added M122 support to all firmware I used and used it to get the info in the OP. Also, all my stepper drives are burned out so I can't test further.

It seems like E0 intermittently burns out drivers since when I did this, I had a good stepper in E0 and then it burned out without any change to that driver:

Quote

Rotate 1 up:

Recv:         X    0x00:00:00:00     Bad response!
Recv:         Y    0x00:00:00:00     Bad response!
Recv:         Z    0x00:00:00:00     Bad response!
Recv:         E    0x80:0C:00:C0
Recv:
Recv:
Recv: Testing X connection... Error: All LOW
Recv: Testing Y connection... Error: All LOW
Recv: Testing Z connection... Error: All LOW
Recv: Testing E connection... OK

Remove all but Z & E0:

Recv: Driver registers:
Recv:         X    0x00:00:00:00     Bad response!
Recv:         Y    0x00:00:00:00     Bad response!
Recv:         Z    0x00:00:00:00     Bad response!
Recv:         E    0x00:00:00:00     Bad response!
Recv:
Recv:
Recv: Testing X connection... Error: All LOW
Recv: Testing Y connection... Error: All LOW
Recv: Testing Z connection... Error: All LOW
Recv: Testing E connection... Error: All LOW

 

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