"Heatbed Thermal Runaway" then MINTEMP. Connected errors?
 
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"Heatbed Thermal Runaway" then MINTEMP. Connected errors?  

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Scandiravian
(@scandiravian)
New Member
"Heatbed Thermal Runaway" then MINTEMP. Connected errors?

I've been printing nonstop for a couple of days without problems, except for the table my printer was standing on not being stable. I therefore moved the printer, calibrated and put on a new job. When I checked on it 30 minutes later it made a 'overshot' on the y-axis for part of the print and was displaying a "Heatbed Thermal Runaway" error.

I reset the printer but it is now displaying a MINTEMP error for the heatbed because of a loose connection for the thermistor. I think I can fix the thermistor replacing the wire, but I'm curious if the same wire would have caused the first error as well or there is an underlying issue, that I am missing. Any advice would be appreciated :).

Posted : 26/07/2017 11:32 am
henrik.w
(@henrik-w)
Estimable Member
Re: "Heatbed Thermal Runaway" then MINTEMP. Connected errors?

Hello Christian!

I think that the termal runaway error was simply the rambo board not being able to sense the temperature and after a specified time limit assumed that the heatbed was hotter than hot. When you after that got a mintemp error the heatbed wasn't warm - so it displayed another error for the same hardware error. Does that make sense?

/Henrik

Posted : 01/09/2017 3:07 pm
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