FixByModel
F6E1

KitchenAid F6E1: User interface to main control fault

F6E1 indicates the user interface and main control board are not communicating. A power reset sometimes clears it, but a wiring or board fault usually requires service.

May need a technician

By the FixByModel editorial team · Verified 2026-09 · Researched against manufacturer support & repair references (below)

Most likely causes

  1. Temporary control glitch after a power event
  2. Loose or damaged cable between the interface and main board
  3. Failed user interface control
  4. Failed main control board
Before you start — unplug the appliance and turn off the water supply. You'll be working near water and electrical parts, and drained water can be hot. If a step involves the pump, wiring, or opening the cabinet and you're unsure, stop and call a qualified technician.

Step-by-step fix

1Reset powerUnplug or switch off the breaker for 30 seconds, then restore power.
2RetestStart a cycle to see whether the code returns.
3Inspect connectionsA technician can check the harness between the interface and main board for loose or damaged connectors.
4Replace the faulty partIf communication cannot be restored, the interface or main control board typically needs replacement.

Still showing F6E1?

If you’ve worked through every step and F6E1 keeps returning, an internal part likely needs testing and replacement. That’s a job for a qualified appliance technician, who can measure the suspect part against the service-manual spec before replacing it.

Which models this applies to

KitchenAid dishwashers. KitchenAid dishwashers on the Whirlpool F#E# control platform (2010s-present)

FAQ

What does KitchenAid F6E1 mean?

User interface to main control fault. F6E1 indicates the user interface and main control board are not communicating. A power reset sometimes clears it, but a wiring or board fault usually requires service.

What causes KitchenAid F6E1?

The most likely cause is temporary control glitch after a power event. Other causes include Loose or damaged cable between the interface and main board; Failed user interface control; Failed main control board.

Can I fix KitchenAid F6E1 myself?

Some checks are DIY, but this code often points to an internal component, so it may need a qualified technician.