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- Thu Jun 23, 2022 8:58 am
- Forum: Geeetech A20M
- Topic: New Geeetech A20m user problem
- Replies: 3
- Views: 5143
Re: New Geeetech A20m user problem
Hi, I have exactly the same problem......as I am investigating it, in my case I suspect a fault within the control board (GT2560 V4.1B). In fact the motor stepper driver chips (HR4988SQ) located just under the motor connectors are all five burned. It is visible with naked eyes, but better with a mag...