The pipe [insulation/finishing] tape and the drain hose may spontaneously be changed of colors, loosened or
torn by sunlight or wind over time.
If damaged are is limited, the cooling capabilities are not affected.
Try this
Pipe insulation/finishing tape is available at hardware store, or tool store, and you can repair it by yourself.
This guide was created for all models, so the images or content may be different from your product.