Working as a tech you see so many things that ask the question, what were they thinking??
I get it. It’s Hot outside. You have been on a roof all day and the job is almost finished. But why did you forget to plug in the panel? Why didn’t you label these wires correctly? Forget to seal this water-tight connection?
Whatever the reason is, The Solar Panel Doctors can fix it. Whether your system is 6 months or 6 years old, it needs to be checked for proper performance.
Central Inverters, Optimizers and Micro-inverters usually always carry some type of warranty to protect the consumer. If you feel there is an issue contact a professional.