If you have breaker tripping, then shut off main power. Then, remove panel and inspect wires connecting solar breaker for being loose, disconnected, etc. Frequent tripping of your distribution box is a critical alarm, not just an annoyance. For facility managers, electricians, and project owners operating overseas—from industrial plants in the Middle East to solar farms in Southeast Asia—these unexpected shutdowns mean costly downtime, safety risks. The photovoltaic panel trips when flushing the the PV being fed from the shared isn't ust nuisance tripping. If there is a fault of one of the circuits which are protected by the RCD,say for example the sockets,then the RCD will opera e yet the PV system. Photovoltaic (PV) combiner boxes act as the "nerve center" of solar arrays, combining multiple solar panel outputs into a single circuit. This article breaks down common causes. Scroll to the bottom of any page to find a sun or moon icon to turn dark mode on or off! Breaker on my Combiner box keeps tripping all of a sudden. Solar has been working normally for nearly a year now and all of a sudden yesterday the breaker in my combiner box has started tripping. In fact, when installing a set of solar system, we need to ensure that all parts are installed in the correct way.