Geeetech

just take modified firmware by vert

put the right config... h file for your printer into the marlin directory before flashing

and enjoy

good work vert

seems to be normal that the a10 die after some month

stupid me i have ordered an A20 for replacement of my defect A10
but that can go wrong too

@ William

can you give me a link or contact for the sales support?

my thermistor cables from bed are placed in the middle of the soldered connectors

i have problem at two places
there is a wrong temp reading at both thermistors shown on lcd
both around 125 degree Celsius

i checked thermistor ...

in this case, if we have same problems with several boards it must be a trivial problem

i checked my sensors and all sensors are good
after flashing latest firmware i have also set the sensor in the code (configuration.h file)

search for sensor type 3950 and in the code you will find the ...

i have same problem with mine a10 printer, several replacement boards do not work (temperature failure)
i spent more money for replacement parts the last month as i paid for whole printer when it comes new

@william

is it possible to work with adapters or is there any kind of upgrade kit

REV B ...

Hi Stefan,

next days i get an A20 with rev3 Board, i am also interested whre to find the right connections.
Did you find a jumper or so?

Otherwise try the Marlin 2.0.xx firmware from Vertabreaker here in Forum.
You can do most settings by this firmware on lcd.

As i remind from my older A10 and ...

btw

the Rev B board seems to be a bad thing, a wide variety from good and working till broken

i compared my pre installed gt2650 Rev B with the current replacement board
bot have difference, where through hole vias are filled with solder tin or not
or if board ist cleaned up with alcohol or ...

i found the mistake


I have shortings over my pullup resistor system for Heat Sensors.
measuring form sensors connecting pins onboard R4 and R58 give wrong values

from my old board i can measure direct from onboard connectiong pin of sensor to R4 and R58 4,7K Ohm

my actual board give from pin to ...

ok found it sorry

https://www.geeetech.com/forum/viewtopi ... 18&t=62312

Hello, i need Rev. B Schematic.

I have shortings over my pullup resistor system for Heat Sensors.
measuring form sensors connecting pins onboard R4 and R58 give wrong values

from my old board i can measure direct from onboard connectiong pin of sensor to R4 and R58 4,7K Ohm

my actual board give ...