Communication to Sunrise failed

s owhat did you do so far?

did you try rebooting?

did you try to login and switch to KRF mode?

It's a little bit hard to make a diagnosis only with the attached pics.You 'd better make a KRCDiag file,in which there're more information included and then provide the file to local KUKA hotline for help. May this do help to you !

Try re-installing the station. Found in stationsetup.cat and installation.

Did you solve the problem?

Once i had a program that continuously invoked the method isCloseTo(Frame) from any class that inherits from Frame. Took around 4-10 minutes for sunrise to crash, both UI and controller became extremely unresponsive and crashed.

Check your program for anything that you do continuously, also check background tasks. Remove some code and try again until you isolate the class and methods responsible for this

Just in case this might help you out,

Most of the time that I've experienced the same error, was caused by unstable connection through KLI.
If you try your RJ45 connector on KLI in and out for few times, you will see that error.
- I am quite sure it should be categorized as a "bug", anyhow it has been there since Sunrise.OS 1.3, the first version I've worked with.
So, unless you are getting this error by manually doing what I've described, there might be some cases as below I guess.

1. Somethings wrong with your background task or especially -if any- network program as NullReference has referred.

Quote from NullReference

Check your program for anything that you do continuously, also check background tasks. Remove some code and try again until you isolate the class and methods responsible for this

2. Somethings wrong with your cable or network itself.
And there goes the 3rd, somethings wrong with your cabinet with its internal network -> ask for KUKA support