It can be a screw connection, wire nut, spring pressure, or crimp, but if for any reason it has a high resistance it can overheat the connection itself and wire running several inches from the connection. The problem will be worse if the wire is already carrying close to its rated amperage.
If above is correct - I would suggest that the solar pv breaker is seperated from the main consumer unit. Get a small garage board fitted connecting directly into the tails prior to the consumer unit via a henley block. This is isolate the tripping problem from the household circuits.
Cracking in the back sheet of the panel can cause moisture ingress and panel failure. Hotspots in cells can lead to burn marks and potential fire hazards. Shattered glass in panels can be caused by hotspots or impacts. Moisture ingress and delamination of back sheets can cause leakage and inverter trips.
The most common cause of low power output in solar panels is obstructions or shadows on the array. Checking Voc (voltage open circuit) and Isc (current short circuit) measurements can help diagnose panel issues. Loose connectors and improperly seated terminals can cause low voltage or current output.
The Dirt: Just as plants need clean leaves to photosynthesize effectively, your solar panels need clear surfaces to catch the sun's rays. Dirt, dust, leaves, or even bird droppings acting like a layer of shade could be the culprit. Shades: Ever noticed how plants lean towards the light?
Here are some common reasons your solar panels might be underperforming: The Dirt: Just as plants need clean leaves to photosynthesize effectively, your solar panels need clear surfaces to catch the sun's rays. Dirt, dust, leaves, or even bird droppings acting like a layer of shade could be the culprit.
Green means good, just like a green light at a traffic stop. If it's blinking red or showing an error message, it's like your solar system's way of saying, “I'm not feeling too hot.” Sometimes, all tech needs a good ol' off-and-on-again trick. Safely switch off the inverter, wait a few minutes, and switch it back on.