No curves are displayed on HMI

Problem:

Graph remains grey and shows no curves at all.

Possible Causes & Resolutions:

Avoid very fast switching between pages. This causes overloading of the browser.

Close alle open browser connection (HMI app) and wait for >2 min.
Now you should be able to open the HMI without error message.

 

Close HMI app on iPads with home button:

  1. Double-click the Home button to show your most recently used apps.
  2. Swipe right or left to find the app that you want to close.
  3. Swipe up on the app’s preview to close the app.

 

Close HMI app on newer iPads without home button:

  1. From the Home Screen, swipe up from the bottom of the screen and pause in the middle of the screen.
  2. Swipe right or left to find the app that you want to close.
  3. Swipe up on the app’s preview to close the app.

 


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