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  1. ๐Ÿช›๐Ÿ”ง Technical | Faults | How-to's โ“โ„น
    When I press the power button, I hear a slight buzzing sound, but nothing else happens. The display does not work and there are no other controls here. What can be done, how can I fix it? Apparently the boiler is humming and heating up a little, and sometimes one of the valves is triggered.
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