Kitchenaid F04 — Refrigerator / Freezer
[ACTIVE]KitchenAid Preserva French Door & Multi-Door Refrigerator: Diagnostic code F04 indicates motorized air damper position sensor feedback switch open or shorted.
On Kitchenaid refrigerators (KitchenAid Architect Series precision sensors and dual-evaporator system): Defective microswitch inside damper housing, broken cam lobe on stepper gearbox, or wiring harness fault (coils: 200–400 Ω).
Disconnect power. Remove air distribution duct in fresh food liner. Test continuity of feedback switch while cycling door manually (0 Ω closed, infinite Ω open). Replace damper if faulty. Press and hold Max Cool and FreshFlow Filter Reset pads simultaneously for 4 seconds until the control panel beeps.



