Search found 3 matches

by OniX
Tue Aug 20, 2019 6:18 pm
Forum: Geeetech A20M
Topic: LCD doesn't work, power supply is on, USB not detected from PC
Replies: 7
Views: 6778

Re: LCD doesn't work, power supply is on, USB not detected from PC

Problem solved by Geeetech support that sent to me a brand new gt2560. Thank you!
by OniX
Sat Aug 17, 2019 7:07 pm
Forum: Geeetech A20M
Topic: LCD doesn't work, power supply is on, USB not detected from PC
Replies: 7
Views: 6778

Re: LCD doesn't work, power supply is on, USB not detected from PC

only one light for me, the one 12 VB

the led on power supply is green.

I need another motherboard?
by OniX
Sat Aug 17, 2019 4:43 am
Forum: Geeetech A20M
Topic: LCD doesn't work, power supply is on, USB not detected from PC
Replies: 7
Views: 6778

LCD doesn't work, power supply is on, USB not detected from PC

Hi everybody, I was attempting to repair my A20M printer (maybe a problem on thermistore, as suggested by Geeetech support). Once i've assembled the hotend block i tried to "preheat PLA end" from lcd screen, suddenly the lcd screen has "turned off". Now i can't control the printer neither from lcd n...