I have an anycubic I3 mega. Its been working fine for the last week and Ive done a dozen or so prints. No out of the blue its started having an issue.
when printing from the computer the bed and extruder heat up to temp. but as soon as the print starts the extruder stops heating. on the printers display during the preheat it show the target temp of the extruder as 235 but once the print starts it goes to zero.
I'm not sure why this is happening. Is there a setting that I inadvertently changed that could have caucused this?
Update: I reset all the settings in simplify and started from square one again. this didn't fix the issue. Everything preheats fine. But as soon as the print starts the target temp of the bed and extruder reset to zero (monitored in the printers screen) as soon as this happens temps start falling to room temp.