What are the common issues that can arise with an AC unit drain pan and how can they be prevented or resolved?

Common issues that can arise with an AC unit drain pan include clogs, leaks, and mold growth. To prevent these issues, regular maintenance such as cleaning the drain line and pan, checking for leaks, and ensuring proper drainage is important. If issues do occur, they can be resolved by unclogging the drain line, repairing any leaks, and cleaning the pan to prevent mold growth. Regular maintenance and prompt attention to any issues can help keep the AC unit functioning properly.