I keep getting this error on my Eustathios Spider V2. Is this a thermistor issue or do I need a new heated bed? If I M999 a couple times I can get it to heat up and print something.
Recv: ERROR: MINTEMP or MAXTEMP triggered on BED. Check your temperature sensors!
One other thing is in Octoprint, the bed temp doesn’t show up under the temperature tab like the extruder does. Under terminal I can see the temperature still.
One option is to measure the heated bed thermistor resistance with a multimeter (disconnected fry the printer). There are temp tables you can Google, and compare temp to resistance. It might give you a clue if it is failing. Also, as always, check your wiring for potential issues.
I’m always printing in the garage where it’s currently cold. Could that have anything to do with it?
I will try what you suggested. Isn’t the thermistor built into the heated bed? Would I need to purchase an entire new heated bed and thermistor from AliExpress?
I had one of my earlier their thermistors go bad on one of my earlier heated beds, that’s why now I recommend putting a hole in the middle of the heated bed so you can attach it through the pad directly into the aluminum below but be able to easily replace it. You can remove the heated bed pad if you’re really careful and then apply a thermistor underneath and then reattach the pad with some 3M 468MP high temp double sided tape.