Amana F09 — Refrigerator / Freezer
[ACTIVE]Amana Temp Assure Side-by-Side & Bottom-Mount Refrigerator: Diagnostic code F09 indicates user interface (UI) display board communication timeout; control panel keys fail to respond.
On Amana refrigerators (Amana Temp Assure and Jazz electronic control platform): Severed serial data wire in door hinge, water intrusion into dispenser PCB, or corrupted UART transceiver on main PCB (12V DC bus).
Disconnect power. Remove hinge cover and inspect harness for pinched conductors. Test 12.0V DC supply and 0.5–4.5V DC data pulse with multimeter. Repair wire or replace UI module. Press and hold Refrigerator Temp and Freezer Temp adjustment buttons simultaneously for 3 seconds to reset Jazz board.



