RE: "Paused Thermal Anomaly" and "Some problem encountered, Z-leveling enforced" wombo combo
It wasn't a waste of money. It actually fixed my problem. I've put 50-60 days of print time on the printer and I have yet to see that error message once since the replacement
The problem is the new "thermal model" does not work well, and is too picky for the real world. Yes, some people have "fixed" it by replacing parts, but there was nothing wrong with your previous parts so you likely wasted your money. All these years we never had a "thermal model" and the world was fine, so there is no sudden need for it now. Its a solution for a problem that doesn't exist.
RE: "Paused Thermal Anomaly" and "Some problem encountered, Z-leveling enforced" wombo combo
Hey there, here were the messages from the live support chat:
"Looking at your second message where you mentioned that the board beeps above 140C and doesn't heat past 160C, it would be an issue with the Einsy board - the MOSFET on it is damaged I'm afraid, not really a hotend issue."
"So aside from replacing the board, there isn't much else the could be done for this as mosfet repair isn't really possible here."
"It is possible to disable thermal model by issuing commands via serial port so you don't get the message (we don't really recommend this, just letting you know that such an option exists), but it won't fix the main problem."
"realistically only a board replacement would resolve this. If you could get your hands on a multimeter you could double-check the voltages on the PSU and on the heater if they are still OK."
I finally tested with the multimeter the heater while the temperature was going up and there was no issue with the voltage until the thermal model cut everything thus the voltage went from 23.3 to 0, end of story. But I don't get how this can is a test to prove there's a faulty/broken mosfet: a mosfet acts to stabilize the current, there was no oscillation till 140 celsius, and then the firmware cut everything so the voltage dropped to 0.
Does anyone have another explanation, and possibly a solution that does not involve changing the board?
RE: "Paused Thermal Anomaly" and "Some problem encountered, Z-leveling enforced" wombo combo
I don't have an "explanation" and you have likely read what I think of the "thermal model" but I will say a "damaged MOSFET" is a hardware problem. The "thermal model" is Prusa's firmware update to better regulate the hotend temperature, and fixes a "problem" that never existed. In other-words, if its a hardware problem, there is no firmware fix for it, you need to replace the hardware. Period. If deactivating the "thermal model" fixes the problem, then there is no hardware problem. I think you understand that, right? If firmware 3.11.0 "fixes" the problem, then its not a hardware problem. If not, then you DO have a hardware problem.