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Thermia Itec Alarm Code

  • 30-01-2020 8:36pm
    Registered Users Posts: 33


    Getting "Alarm Comm.kit Err: 911" on my Thermia Itec heat pump.

    Still producing heat and hot water, any ideas what might be causing the issue?



  • Registered Users Posts: 11 Lightning Jack

    Bumping this as I have the same code coming up on my Thermia iTec. Anyone come across this also?

  • Registered Users Posts: 1 dmcauley

    Yes supplier replace flow sensor but problem remains

    reset but alarm return a few days later