Need help with ghost thermostat

so i l still have an issue . the gage will show 200 for temp and set temp will go to 0 when i open another device to the dashboard.
so it shows fine on computer
dashboardafterbeing open
then when i open dashboard on cell phone it shows this.
and then takes about 5 minutes to update the right stuff


is this an html issue or something i am doing wrong? can it be fixed.