Print paused by external trigger



  • Hello to all
    0_1557758492865_Capture.PNG
    a week ago I decided to put on a filament sensor with a switch at the E1 and the next line M581 E1 T1 S1 C0 to config.g . For a week it was working normally now its starting to pause at random times with this message <Print paused by external trigger>.I have change E1 to E0 same problems, i have to change switch I thought but the same result, what can happen and do that?
    thank you in advance !


  • administrators

    As you are using S1 in the M581 command, I presume the switch is closed when filament is present. Three likely possibilities;

    1. Bad switch contact
    2. Bad crimp connection at one end of the cable.
    3. If the switch wires run right next to a stepper motor cable over a substantial distance, and they are not twisted pair, then it's possible that they are picking up inductive interference from the stepper motor current.


  • so after a lot of tests I did not do anything , I put a third switch and I check the cable pins with polymer even the same problems.
    I changed the M581 to M591 D0 P1 C3 S1 but same , I crazy I do not know what else to do.
    forgot to say i have try both of extruder endstop E0, E1.


  • administrators

    @akisjon said in Print paused by external trigger:

    so after a lot of tests I did not do anything , I put a third switch and I check the cable pins with polymer even the same problems.
    I changed the M581 to M591 D0 P1 C3 S1 but same , I crazy I do not know what else to do.
    forgot to say i have try both of extruder endstop E0, E1.

    See #3 in my previous reply then. BTW filament monitor are normally configured using M591 in recent firmware versions, instead of using M281 triggers.



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