Printing issue on a job for 3hrs+

minhchaunycminhchaunyc Posts: 7Member
I see this error pop up and my print completely stop and wasted 3hours of it because it is no incomplete.

Getting the following error: 
Send: N105527 G1 X85.579 Y125.877 E9336.11514*81
Recv: Error:Thermal Runaway, system stopped! Heater_ID: 0
Recv: Error:Printer halted. kill() called!
Changing monitoring state from "Printing" to "Error: Thermal Runaway, system stopped! Heater_ID: 0 - Printer halted. kill() called!"
Send: M112
Send: N105528 M112*26
Send: N105529 M104 T0 S0*27
Send: N105530 M140 S0*87
Changing monitoring state from "Error: Thermal Runaway, system stopped! Heater_ID: 0 - Printer halted. kill() called!" to "Offline (Error: Thermal Runaway, system stopped! Heater_ID: 0 - Printer halted. kill() called!)"
Connection closed, closing down monitor

Comments

  • Samuel PinchesSamuel Pinches Posts: 2,597Administrator
    edited May 5
    > Recv: Error:Thermal Runaway, system stopped! Heater_ID: 0
    This error means there was a malfunction detected in the bed heating and temperature sensing system. This error detection is part of the printers' safety system to prevent burning down your home.
    Post edited by Samuel Pinches on
  • minhchaunycminhchaunyc Posts: 7Member
    How do we work around this? I currently have bed set to S100. Should it be lower?
  • Stephen ToddStephen Todd Posts: 281🌟 Super Member 🌟
    edited May 5
    100c is pretty much the upper limit for the bed - but the fault is more likely to be loss of electrical connection to the thermistor that is soldered to the underside middle of the heated bed - i.e. loose plug and socket, or broken/intermittent wires - if the controller board loses contact with the thermistor, it shuts down

    There is a connection plug - the one on the underside of the bed - that is what I would suspect - the plug and socket itself, or broken/intermittent wires directly connected to the plug  - maybe even torn pads on the bed itself if the socket has been banged

    Otherwise, maybe the bed thermistor plug and socket where it plugs into the controller board

    The thermistor itself could be open circuit - it should measure 100k ohms at 20c using the resistance scale of a multimeter

    A meter is the best bet - you can test from the board connector - should read 100k at that plug

    Post edited by Stephen Todd on
  • Samuel PinchesSamuel Pinches Posts: 2,597Administrator
    If you're printing in pronterface or octoprint, you should be able to look at the temperature graph to see what readings occurred recently?
  • minhchaunycminhchaunyc Posts: 7Member
    I am printing of octoprint and the graph has not spiked for both bed or tool. It stays at the consistent temperation I have set it.
  • minhchaunycminhchaunyc Posts: 7Member
    I tried a few more time. After about 90 minutes, it will fail with this error Thermal Runaway, system stopped! Heater_ID: 0




    This is a new printer that I just got two days ago and initial print of smaller items where fine when it ran under 1 hour. Is there an easy way to fix this or I have to return this printer.

  • Samuel PinchesSamuel Pinches Posts: 2,597Administrator
    edited May 6
    Looks like there's some severe dips in temperature on the nozzle. Could the fan be blowing on the part and the air stream hitting the nozzle? Maybe try to turn fan speed down to 50%? Or an intermittent connection somewhere at the head?

    (also, PLA is better at 210C)
    Post edited by Samuel Pinches on
  • Stephen ToddStephen Todd Posts: 281🌟 Super Member 🌟
    As we are now talking about the hot end temperature, and not the bed temperature - I'd check that the thermistor is fully inside the hot end block, and not moving around

    There may be a thermistor lead plug and socket inside the black pipe - if so, worth checking it is connected firmly

    Otherwise, bad wiring connections elsewhere in the system is likely
    Thanked by 1Samuel Pinches
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