Search found 29 matches

by alfvv12
Mon Aug 22, 2022 9:12 pm
Forum: Geeetech A20M
Topic: temperature jumping again..
Replies: 0
Views: 3056

temperature jumping again..

hi. A20M suddently stopping the print with error "thermal runaway" i see the temperature in display are jumping some times up to 40 degrees C. 215 deg.C keeps many minutes, but then suddendly jumping from 215 deg. to 195 then to 240 deg. C, then back to right 215 deg. what idea? thermal sensor seems...
by alfvv12
Mon Aug 22, 2022 9:04 pm
Forum: Geeetech A20M
Topic: A20M hotend temperature too high ... 345 deg. celsius
Replies: 1
Views: 2454

Re: A20M hotend temperature too high ... 345 deg. celsius

hi.
problem caused myself.
i used a screw who are too long to fix the housing of the hotend.
so the screw hits the hotend board and produces a short circuit with permanent heating the heater...

stupid i was... sy.
by alfvv12
Sat Jul 30, 2022 1:48 am
Forum: Geeetech A20M
Topic: A20M hotend temperature too high ... 345 deg. celsius
Replies: 1
Views: 2454

A20M hotend temperature too high ... 345 deg. celsius

hello. big problem: during printing an object suddenly the hotend increases the temperature over the printing temperature (220deg.C) up to 345 degrees celsius. the two heater keeps always active and are permanently heating, also after stop of printing. i'm afraided a burning printer... after stop of...
by alfvv12
Fri Jan 21, 2022 10:21 pm
Forum: A20T
Topic: A20T - T-series - please improve MIXER RATIO
Replies: 0
Views: 3253

A20T - T-series - please improve MIXER RATIO

hello. ok, i know, there is a program named color-mixer. but the mixer function in the T-models are not user friendly and incomplete. in M-series (2 colors) each mixer ratio E0 to E1 is selectable. 2:98, 15:85 etc. in T-series (3 colors) it is NOT possible to set the ratio for EACH extruder, E0, E1,...
by alfvv12
Fri Jan 21, 2022 10:20 pm
Forum: A20T
Topic: A20T - T-series - please improve MIXER RATIO
Replies: 0
Views: 2830

A20T - T-series - please improve MIXER RATIO

sorry, twice.
by alfvv12
Fri Jan 21, 2022 10:10 pm
Forum: A20T
Topic: A20T - suggestion to a better hotend
Replies: 0
Views: 2882

A20T - suggestion to a better hotend

hello. the hotends of the M series (2 colors) and T series (3 colors) are not really good an often clocking and blocking filaments... the reason is the change of filament flox of 90 degrees twice in the heatblock until the filament is coming out to the nozzle. for A20M the solution could be the A30M...
by alfvv12
Fri Nov 26, 2021 7:38 pm
Forum: A20T
Topic: A20T board V4.1b with A4988 - flashing problem - lcd down
Replies: 0
Views: 1558

A20T board V4.1b with A4988 - flashing problem - lcd down

hi. 1) i cannot flash with usb. using cura no flashing is possible, the printer is not found. (other geetech printers no problem.) only this. 2) lcd is down. no signs are shown. only empty lighted screen.... questions: a) any idea? b) is flashing firm with sd card impossible with geeetech printers? ...
by alfvv12
Thu Nov 18, 2021 2:37 am
Forum: A20T
Topic: nozzle temp always 133/134 deg. C
Replies: 1
Views: 1938

nozzle temp always 133/134 deg. C

hi. A20T gt2560 V4.1. nozzle temp. in Display shows 133 to 134 deg celsius. always. if the hotend cable is unplugged or temp. sensor is broken, the temp. on display normally shows -14 deg. C on other geeetech printers. this one always same temp 134 deg. i changed nozzle sensor, the same result. any ...
by alfvv12
Sat Jul 17, 2021 6:08 pm
Forum: Geeetech A20M
Topic: printing stopped at 97 to 98 % before end of process
Replies: 2
Views: 3590

printing stopped at 97 to 98 % before end of process

hi.

i use cura 4.9.1. and geeetech A20m.

the prints are stopped shortly befor the print is completed. mostly 97 to 98 finished.....

i found no solution...

any idea??

thx
by alfvv12
Fri Apr 02, 2021 9:22 pm
Forum: Geeetech A20M
Topic: A20M - runout sensor not working with marlin 2.0 - pls. help
Replies: 6
Views: 5972

Re: A20M - runout sensor not working with marlin 2.0 - pls. help

hi.
no success.....
runout sensors not working with marlin 2.0.... with A20M and A20T and A10T

und niemand scheints zu interessieren.... sollte doch nicht so schwer sein für leute die dauernd damit arbeiten....

vg.