![So, not seeing a whole lot of change here doing the PID Autotune. Do I need to swap out the mainboard, or is a +/- 4 degree variance acceptable? : r/ender5 So, not seeing a whole lot of change here doing the PID Autotune. Do I need to swap out the mainboard, or is a +/- 4 degree variance acceptable? : r/ender5](https://preview.redd.it/rfhn66bw8ty61.jpg?width=640&crop=smart&auto=webp&s=14091b8ce76f84dad8f13ab0a62e030078f3f6c6)
So, not seeing a whole lot of change here doing the PID Autotune. Do I need to swap out the mainboard, or is a +/- 4 degree variance acceptable? : r/ender5
![bugfix-2.0.x] PID Autotune failed! timeout + bed failure error · Issue #12265 · MarlinFirmware/Marlin · GitHub bugfix-2.0.x] PID Autotune failed! timeout + bed failure error · Issue #12265 · MarlinFirmware/Marlin · GitHub](https://user-images.githubusercontent.com/7789642/47789490-c9fdf080-dd68-11e8-91b0-a9c0ffb71e3a.jpg)
bugfix-2.0.x] PID Autotune failed! timeout + bed failure error · Issue #12265 · MarlinFirmware/Marlin · GitHub
![Bugfix 2.0.x] Bed Heating Fails when attempting PID Autotune · Issue #13007 · MarlinFirmware/Marlin · GitHub Bugfix 2.0.x] Bed Heating Fails when attempting PID Autotune · Issue #13007 · MarlinFirmware/Marlin · GitHub](https://user-images.githubusercontent.com/6380390/52343320-57428800-29dd-11e9-86ab-d17ac72e2f51.png)