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- Fri Jun 12, 2020 8:30 pm
- Forum: Geeetech A20M
- Topic: A20M control knob
- Replies: 2
- Views: 4322
A20M control knob
The selector knob next to the lcd display only works sometimes when scrolling up or down. Where to buy a replacement part to solder on board or replace the control board. Need help.