F6E0 — Communication lost (control to UI)
The main appliance control and the user-interface board lost data communication. The oven can't take input or report status reliably.
- Keep using it?
- Limited use only
- DIY difficulty
- Hard
- Typical cost
- $20-50
- Verified against
- appliancepartspros.com ↗
The fix
Wiring harness
Communication error between boards
Diagnose first: Unplug for 5 minutes first to reset. If error returns, inspect ribbon cables between user interface and main control before replacing boards.
Find this part on Amazon →Didn't resolve it? Next suspect: Electronic control board ($150-400)
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How to fix it
- Disconnect power at the breaker for at least 1 minute, restore, and watch for the code.
- If F6E0 returns, kill power again and access both the UI board (behind the keypad) and the main control board.
- Reseat the ribbon/harness between them at both ends; check for crushed pins.
- Inspect each board for burn marks, swollen capacitors, or scorched traces.
- Replace whichever board shows damage. If neither shows damage, the tech sheet sequence is to replace the user interface board first, then the main appliance control if that doesn't resolve it.
- After replacement, run a bake test to confirm normal communication and operation.
Why it happens
Typical signs: F6E0 on display, sometimes with display going dark intermittently · Buttons unresponsive · Code may clear briefly then return
- Loose or damaged ribbon between UI and main control Vibration or a bad seat at a ZIF socket interrupts the data line.
- Failed user interface board The UI/display board has lost its communications chip or its power rail.
- Failed main appliance control (oven appliance manager) The other end of the bus has died and stops responding.
Other parts sometimes needed
If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.
More Whirlpool oven codes
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: appliancepartspros.com.