Sv06 plus does not undergo the leveling procedure (Z-axis failed)

I assembled the sovol sv 06 plus according to the instructions, problems arose after clicking “Leveling” in the menu. The x and y axes undergo calibration, and on the z drive they begin to tremble back and forth and crunch. After a minute and a half it gives an error “driver error” or “auto home failed”. Drives Z1 and Z2 are connected, the guides are more or less even. If you manually turn the screws, it goes from top to bottom freely,
but he can’t do it on his own.
There are no noticeable mechanical distortions in the structure.
The Z-axis position sensor is connected at the factory and the connector is taped and looks reliable.
What could be the problem?

and bonus question, how do you route the cable from the control unit to the heating bed? as a result of transportation, he assumed such a position,
that touches the edge of the bed when it moves, and will fray during operation.
New users are not allowed to upload photos >.<

The cable goes above the frame, this could be your issue.
Print this piece to keep it out of the way.

Heatbed Cable Support for SOVOL SV06 / SV06+ 3d printer

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oh, ready solution, thanks.
All that remains is to make it work as a whole. As for the mechanics and connectors, everything seems to be normal. could it be a software problem? firmware 1.1.5.

If you level the Z Axis, will it complete…??

I think yes. when starting calibration the problem is with the Z axis

so I tried updating the firmware. I formatted the flash drive in FAT 32, uploaded the file to it that they gave me in support SV06 Plus main board firmware 23th Feb 2023.bin. I inserted the flash drive and turned on the printer. The tutorial says “wait until the menu interface appears on the screen.” how long should I wait? I’ve been waiting for 20 minutes already,
the screen displays this (if the photo is not inserted: just the Sovol logo without progress). Flashing obviously shouldn’t take that long. Right now I turned off the printer, took out the card and turned it on again, it boots again, but autoleveling still does not work. The firmware version remained the same as it was (1.1.4 and 2.0.9.2). update the firmware only on the touchscreen,
I think it’s useless?
What am I doing wrong? or what’s wrong with this device?

oh, I was allowed one photo…


do you really have such a problem with spam here