This system should still be covered under Apple warranty as it was just released. Are you sure you picked the correct system? To be sure plug in your systems S/N here [https://everymac.com/ultimate-mac-lookup/|EveryMac - Lookup] see what it tells you, the newer models won’t report correctly, even still let us know.
As to your problem, did you have a liquid spill (or get it wet) or damage the system in someway?