Most likely causes
- 1.Evaporator fan motor failed (no air movement to the fresh-food side)
- 2.Defrost system stuck — frost-coated evaporator coil blocking airflow
- 3.Condenser coils caked with dust (compressor overheating)
- 4.Damper between freezer and fridge stuck closed
- 5.Door gasket failing — warm air leaking in
- 6.Bad start relay or capacitor on the compressor
- 7.Sealed-system leak (refrigerant) — needs EPA-certified tech