Hey @helpimlost, i manage to check this issue and found a solution.
Please check https://github.com/Duet3D/PanelDueFirmware/issues/160 for further information.
The next release candidate which i will release before the weekend will contain this patch. It would be cool if you could confirm the issue is fixed.
mfs12 created this issue in Duet3D/PanelDueFirmware closed Standyby temperatures displayed although not configured #160