Heatit Z-TRM3 connection problems

Situated in Norway. I try to connect Heatit z-TRM3 to homey pro 2023. Heatit confirms it found the homey with “erl”. After some more minutes waiting for the configuration to finish I get a message that “something went wrong during communication” and the process stops. How can I successfully connect?

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[APP][Pro] Heatit Controls app [v3.6.2]

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A post was merged into an existing topic: [APP][Pro] Heatit Controls app [v3.5.0]