45 lines
No EOL
2.1 KiB
INI
45 lines
No EOL
2.1 KiB
INI
# Monitoring loop. Begins at Klipper start.
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[delayed_gcode CHECK_ALL_FANS]
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initial_duration: 1
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gcode:
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HOTEND_FAN_CHECK
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UPDATE_DELAYED_GCODE ID=CHECK_ALL_FANS DURATION=3
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# Change min_rpm and max_consecutive_stops to your desired values.
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[gcode_macro HOTEND_FAN_CHECK]
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variable_he_stop_count: 0
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gcode:
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{% set min_rpm = 3000|float %}
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{% set max_consecutive_stops = 3 %}
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{% set rpm = printer['heater_fan hotend_fan'].rpm|float %}
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{% set he_target = printer[printer.toolhead.extruder].target|float %}
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{% set he_temp = printer[printer.toolhead.extruder].temperature|float %}
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{% set fan_on_temp = printer.configfile.settings['heater_fan hotend_fan'].heater_temp|float %}
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{% set he_stop_count = printer["gcode_macro HOTEND_FAN_CHECK"].he_stop_count|int %}
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{% if (he_target >= fan_on_temp) and (rpm < min_rpm) and (he_temp >= fan_on_temp) %}
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SET_GCODE_VARIABLE MACRO=HOTEND_FAN_CHECK VARIABLE=he_stop_count VALUE={he_stop_count + 1}
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RESPOND PREFIX="HOTEND FAN CHECK:" MSG="Fan stoppage detected ({he_stop_count+1}/{max_consecutive_stops})."
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{% if printer["gcode_macro HOTEND_FAN_CHECK"].he_stop_count|int >= max_consecutive_stops-1 %}
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M400
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FAN_STOPPAGE_ROUTINE
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{% endif %}
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{% else %}
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SET_GCODE_VARIABLE MACRO=HOTEND_FAN_CHECK VARIABLE=he_stop_count VALUE=0
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{% endif %}
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# Insert the gcode that you want to run when a fan stoppage is detected.
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# This runs every ~3 seconds until the stop conditions are cleared.
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[gcode_macro FAN_STOPPAGE_ROUTINE]
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gcode:
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# If not already paused
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{% if printer['pause_resume'].is_paused|int == 0 %}
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M117 !!FAN STOPPAGE!!
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M118 FAN STOPPAGE DETECTED. PAUSING...
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PAUSE
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# Turn off the hotend.
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# !! Don't forget to turn your hotend back on before resume. !!
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# -- If using this guide's pause/resume macros (in useful_macros.html), the hotend will automatically reheat on resume
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# -- (as long as the hotend is not turned off BEFORE pause is called)
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SET_HEATER_TEMPERATURE HEATER=extruder TARGET=0
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{% endif %} |