Part fan won't run when printing



  • If MatterControl is loaded and the part cooling fan is turned on, the part cooling fan runs as expected. When a part is printing, the fan does not run even though all fan settings are set to 100%. Even more interesting is that once a print is finished, the part fan can no longer be turned on with the part cooling fan control.

    0_1610289510602_Fan Settings.png

    What am I missing?


  • MatterHackers

    This does not sound like the expected behavior. If you can upload your profile, a description of what you're seeing, and any other information that might be helpful to GitHub, we will investigate the issue.

    Thank you for taking the time to report this. We are always looking for ways to improve matter control.



  • Here is the latest file in the appdata/local/mattercontrol/profiles/guest/ folder. Additional info:
    If I use the terminal, the M106 and M107 commands turn the fan on and off as expected (if mattercontrol was loaded and has not yet printed). But if something is printed, those commands no longer work until I reload mattercontrol.
    [0_1610402339307_8e2ea508-3152-4a0c-ab30-12cc5533379a.printer](Uploading 0%)



  • It looks like the file did not actually upload, so here it is in text mode.

    {
    "DocumentVersion": 201606271,
    "ID": "8e2ea508-3152-4a0c-ab30-12cc5533379a",
    "StagedUserSettings": {
    "support_air_gap": "0.4"
    },
    "Macros": [],
    "OemLayer": {
    "make": "Prusa Research",
    "model": "i3 MK2",
    "created_date": "2018-08-27T22:29:46.960Z",
    "baud_rate": "115200",
    "windows_driver": "MHSerial.inf",
    "calibration_files": "Calibration - Box.stl",
    "start_gcode": "M104 S[temperature]\nM140 S[bed_temperature]\n\nG28 W ; Home without mesh level\nG80 ; Probe\nG1 Z5 F5000 ; lift nozzle\n\nM117 Heating\nM109 S[temperature]\nM190 S[bed_temperature]\nM117 Printing",
    "filament_diameter": "1.75",
    "layer_height": "0.2",
    "first_layer_height": "0.2",
    "infill_speed": "60",
    "perimeter_speed": "40",
    "external_perimeter_speed": "25",
    "support_material_speed": "40",
    "bed_size": "250,210",
    "print_center": "125,105",
    "build_height": "200",
    "bed_temperature": "40",
    "top_solid_infill_speed": "35",
    "bridge_speed": "20",
    "cancel_gcode": "G91\nG0 Z10 F5000\nG90\nG0 X5 Y205 F[travel_speed]\nM107\n\nM117 Canceled",
    "support_air_gap": "0.28",
    "has_hardware_leveling": "1",
    "resume_first_layer_speed": "11",
    "resume_position_before_z_home": "10,0",
    "manual_probe_paper_width": "0.11",
    "slicing_engine": "MatterSlice",
    "travel_speed": "80",
    "nozzle_diameter": "0.4",
    "has_sd_card_reader": "1",
    "active_quality_key": "39c0d0c3-713b-4151-bbe1-67b891d91c41",
    "slowdown_below_layer_time": "15",
    "active_theme_name": "Blue - Dark",
    "boolean_operations": "(0) ",
    "additional_args_to_process": " -m "1,0,0,0,0,1,0,0,0,0,1,0,130,105,0,1" "C:\Users\Print Services\AppData\Local\MatterControl\Library\Assets\883D95FE64234C9B3DB3DB52DE61135DF79901B6.stl" ",
    "write_regex": ""^G28$","G28 W"",
    "end_gcode": "; Retract and move away\nG91\nG1 E-[retract_length] F[retract_speed]\nG90\nG0 X5 Y205 F[travel_speed]\n\nM104 S0 ; turn off temperature\nM140 S0 ; turn off heat bed\nM106 S0 ; turn off layer fan\n\nM84 ; disable motors\n\nM117 Finished",
    "pause_gcode": "G91\nG1 Z10 E-5.0 F12000\nG90\n\nM117 Paused",
    "progress_reporting": "M117",
    "resume_gcode": "G91\nG0 Z-10 F1800\nG1 E2 F1800\nG90",
    "include_firmware_updater": "Simple Arduino",
    "has_z_probe": "1",
    "max_acceleration": "1500",
    "jerk_velocity": "10",
    "g0": "1",
    "unload_filament_length": "100",
    "load_filament_length": "80",
    "load_filament_speed": "40",
    "top_solid_layers": "0.8mm",
    "bottom_solid_layers": "0.8mm",
    "perimeter_start_end_overlap": "70",
    "first_layer_speed": "20",
    "raft_print_speed": "40",
    "bridge_over_infill": "1",
    "min_skirt_length": "5",
    "skirt_distance": "3",
    "create_raft": "0",
    "raft_air_gap": "0.25",
    "create_brim": "0",
    "brims": "8mm",
    "support_material_interface_layers": "1mm",
    "support_material_xy_distance": "2",
    "support_material_spacing": "3",
    "retract_length": "0.8",
    "retract_before_travel": "1",
    "retract_speed": "35",
    "retract_lift": "0.6",
    "min_extrusion_before_retract": "0.05",
    "min_print_speed": "15",
    "oem_profile_token": "ag9zfm1hdHRlcmNvbnRyb2xyQwsSCUFmZmlsaWF0ZRiAgKDK9byHCwwLEgZEZXZpY2UYgICAgICAgAoMCxINRGV2aWNlUHJvZmlsZRiAgICAgPKICgw"
    },
    "ActiveQualityKey": "39c0d0c3-713b-4151-bbe1-67b891d91c41",
    "MaterialSettingsKeys": [
    "b88fb525-f51c-4e78-964c-742ec987888a"
    ],
    "UserLayer": {
    "printer_name": "Prusa Research i3 MK2 (1)",
    "active_theme_name": "Blue - Light",
    "MYLAPTOP_com_port": "COM3"
    },
    "MaterialLayers": [
    {
    "layer_name": "ABS",
    "layer_id": "b08458b6-afd7-412b-9e4e-ba6caf28e150",
    "bed_temperature": "95",
    "first_layer_bed_temperature": "95",
    "first_layer_temperature": "235",
    "temperature": "235",
    "filament_density": "1.04"
    },
    {
    "layer_name": "PLA",
    "layer_id": "b88fb525-f51c-4e78-964c-742ec987888a",
    "bed_temperature": "55",
    "first_layer_bed_temperature": "0",
    "first_layer_temperature": "210",
    "temperature": "205",
    "filament_density": "1.24",
    "filament_cost": "20",
    "min_fan_speed_layer_time": "180",
    "max_fan_speed_layer_time": "60",
    "slowdown_below_layer_time": "30",
    "support_air_gap": "0.6"
    }
    ],
    "QualityLayers": [
    {
    "layer_name": "Coarse",
    "layer_id": "72dfb5e8-4b70-45bd-940f-1e79a43bf358",
    "layer_height": "0.3"
    },
    {
    "layer_name": "Fine",
    "layer_id": "c450d51d-a7db-4566-b5bb-843aa268061c",
    "layer_height": "0.1"
    },
    {
    "layer_name": "Standard",
    "layer_id": "39c0d0c3-713b-4151-bbe1-67b891d91c41",
    "layer_height": "0.2"
    }
    ]
    }


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