Is your Fronius Galvo, Primo, Symo or ECO solar inverter really noisy all of a sudden? The Symo and ECO inverter fans are quite loud in general when they are working hard but have you noticed that lately it has an extra loud whir or buzzing noise coming from it? If so it's quite likely that one of the inverter fans may be slightly blocked and needs attention. In this video we will look at how to check and clean the fans on the back of the Fronius inverter.
Please be advised the information shown in this video is general information only, any work carried out on a solar inverter is potentially hazardous and should be performed by a licensed electrician.
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