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A:The main relay that disconnects the PV form the Classic will click on and off a fair amount in the morning as the sun comes up, in the evening when the sun goes down and during cloudy conditions. Please note the clicking should NEVER be fast, it should have a 5-10second delay between clicks.
Other times if AUX 1 relay is being used, it can make a light audible click when it opens and closes.
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