My Multiplus fan (?) is noisy between 2200–2400 watt inverter or charger power. It’s not the airflow that I hear, but its more like whining. The Multiplus is in a separated tech room on the attic with closed door and I hear the whining in our bedroom on the first floor and woke me at 4 am (dishwash…

Mutliplus II 5000 sounds like a vacuum cleaner

lxonline (LX) 9 January 2025 05:21 2

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