graive
Posts: 4
Joined: Wed Jan 06, 2021 1:54 pm

Can't get my QT1 to heat bed

Wed Jan 06, 2021 2:44 pm

Hello, I'm having trouble getting my buildplate to heat. I have a working gcode file that does heat, but all my new files made with Simplify3D do not heat the plate.

My scripts:

T0; always home on the right extruder
M73 P0 ; Enable build progress
G162 X Y F3000 ; Home XY maximum
G161 Z F1200 ; Home Z minimum
G92 X0 Y0 Z-5 A0 B0 ; Set Z to -5
G1 Z0 ; Move Z to 0
G161 Z F100 ; Home Z slowly
M132 X Y Z ; Recall home offsets
G1 X-95 Y-70 Z30 F8000 ; Move to wait position off table
M126 S[fan_speed_pwm] ; Set fan speed
M140 S[bed0_temperature] T0 ; Heat buildplate
M104 S[extruder0_temperature] T0 ; Heat right extruder
M116 ; Wait for all temps to be reached
G130 X118 Y118 Z40 A118 B118 ; Default stepper Vrefs
G92 A0 B0 ; Zero extruders
G1 X100 Y-70 F9000 ; Move to front right corner of bed
G1 Z0.3 F6000 ; Move down to purge
G1 X-90 Y-70 E24 F2000 ; Extrude a line of filament across the front edge of the bed
G1 X-100 Y-70 F180 ; Wait for ooze
G1 X-110 Y-70 F5000 ; Fast wipe
G1 Z0.5 F100 ; Lift
G92 A0 B0
M73 P1 ; @body (notify GPX body has started)

I've tried to copy the same scripts from the working Gcode over but that didn't seem to work.
Attachments
heat-settings.jpg

S3D-Alex
Posts: 437
Joined: Thu Aug 30, 2018 1:23 pm

Re: Can't get my QT1 to heat bed

Mon Jan 11, 2021 12:29 pm

Could you post the starting script from your working gcode so we can see what code differs?

graive
Posts: 4
Joined: Wed Jan 06, 2021 1:54 pm

Re: Can't get my QT1 to heat bed

Thu Jan 14, 2021 1:08 pm

Thank you for your reply. I had a duplicate post that had that information but wasn't approved. Here is the code in the file that I use to make a temperature tower to decide on proper temperatures. This one heats the bed to 60 degrees and stays 60.

G90
M83
M73 P0 ; Enable build progress
G162 X Y F3000 ; Home XY maximum
G161 Z F1200 ; Home Z minimum
G92 Z-5 ; Set Z to -5
G1 Z0 ; Move Z to 0
G161 Z F100 ; Home Z slowly
M132 X Y Z A B ; Recall home offsets
M135 T0 ; Load right extruder offsets
G1 X-110 Y-70 Z30 F9000 ; Move to wait position off table
G130 X20 Y20 Z20 A20 B20 ; Lower stepper Vrefs while heating
M127 ; Set fan speed
M140 S60 T0 ; Heat buildplate
M134 T0 ; Stabilize bed temperature
M104 S220 T0 ; Heat right extruder
M133 T0 ; Stabilize right extruder temperature
G130 X127 Y127 Z40 A127 B127 ; Default stepper Vrefs
G92 A0 B0 ; Zero extruders
G1 X100 Y-70 F9000 ; Move to front right corner of bed
G1 Z0.3 F6000 ; Move down to purge
G1 X-90 Y-70 E24 F2000 ; Extrude a line of filament across the front edge of the bed
G1 X-100 Y-70 F180 ; Wait for ooze
G1 X-110 Y-70 F5000 ; Fast wipe
G1 Z0.5 F100 ; Lift
M73 P1 ; @body (notify GPX body has started)
G1 E-1.0000 F1200
G1 Z0.180 F1200
; process Process1

S3D-Alex
Posts: 437
Joined: Thu Aug 30, 2018 1:23 pm

Re: Can't get my QT1 to heat bed

Wed Jan 20, 2021 3:37 pm

If the second code you posted is working then it seems like this is an X3G machine. What printer are you using currently? I am personally not aware of a QT1. The M134 used for the bed heating here seems to be the main difference between the two.

graive
Posts: 4
Joined: Wed Jan 06, 2021 1:54 pm

Re: Can't get my QT1 to heat bed

Wed Jan 20, 2021 6:43 pm

Thank you. The printer I have was given to me without a lot of explanation. It says Qidi Tech on the front. When I've searched I've found the Qidi Tech 1 which seems slightly different than this model. It does not have any sign of serial number or part info that I can see. I'll see if adding that part of the code will do any good.

graive
Posts: 4
Joined: Wed Jan 06, 2021 1:54 pm

Re: Can't get my QT1 to heat bed

Thu Jan 21, 2021 8:25 pm

Thank you again for your help. After looking into it further I was using a profile that wasn't suitable for the printer. After running the setup wizard I was able to find the right profile and now the bed heats up and the prints look fabulous. Case closed!

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