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Bed not heating to displayed temperature.  

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austin.d7
(@austin-d7)
New Member
Bed not heating to displayed temperature.

I have had my Prusa I3 MK3S for 4 months now and have had issues with bed adhesion this whole time. I have been primarily been using PLA and about a spool of PETG, and I am using the textured sheet. I have had many successful prints but failures due to bed adhesion have been becoming more and more of a problem (2 out of 3 prints have been failing for about a month now). I have done PID calibration many times and everything comes back fine. I have had to start printing at 70 degrees to get the bed to 58-60 degrees. I have 2 infrared thermometers and a heat probe and No matter what temp I print at the bed temp is always about 80%-85% lower than the displayed temperature. I have disassembled and inspected this printer a dozen times and I can find no issues. Does anyone have any suggestions?

Posted : 12/01/2020 11:20 pm
rmm200
(@rmm200)
Noble Member
RE: Bed not heating to displayed temperature.

Wash your print sheet with detergent and water, use brims - and get a smooth sheet for PLA.

Posted : 12/01/2020 11:56 pm
karl-herbert
(@karl-herbert)
Illustrious Member
RE: Bed not heating to displayed temperature.
Posted by: @austin-d7

I have had my Prusa I3 MK3S for 4 months now and have had issues with bed adhesion this whole time. I have been primarily been using PLA and about a spool of PETG, and I am using the textured sheet. I have had many successful prints but failures due to bed adhesion have been becoming more and more of a problem (2 out of 3 prints have been failing for about a month now). I have done PID calibration many times and everything comes back fine. I have had to start printing at 70 degrees to get the bed to 58-60 degrees. I have 2 infrared thermometers and a heat probe and No matter what temp I print at the bed temp is always about 80%-85% lower than the displayed temperature. I have disassembled and inspected this printer a dozen times and I can find no issues. Does anyone have any suggestions?

The bed temperatures are lower than shown on the lcd. I tested this also with an infrared thermometer on my bed . There was sometimes a difference about 15 degree. Raise the temperature and try again.

Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen.

Posted : 14/01/2020 7:30 pm
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