Maytag · Dishwasher Moderate

F2E2 — User Interface Communication Error

The main control (ACU) lost or never established communication with the user interface board. Buttons may light up but won't register, or the panel goes dark mid-cycle.

Keep using it?
Yes, with caution
DIY difficulty
Moderate
Verified against
maytag.com ↗

How to fix it

  1. Power down at the breaker for 5 minutes.
  2. Pull the inner door panel and inspect the ribbon cable for kinks, breaks, or corrosion.
  3. Reseat both ends of the ribbon — UI side and ACU side.
  4. Replace the ribbon if it shows any damage.
  5. If the fault persists, swap the UI board first (less expensive); if still failing, replace the ACU.

Why it happens

Typical signs: Panel won't respond · Lights act erratic · Cycle won't start · Display goes dark

  • Failed ribbon cable between UI and ACU Cracked or corroded conductor.
  • Failed user interface board UI microcontroller faulted.
  • Failed main control board ACU comm channel dead.
  • Moisture in the door wiring channel Steam crept through the door gasket into wiring.

Parts you may need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

  • Maytag dishwasher UI ribbon cable Common replacement
    Amazon →
  • Maytag dishwasher user interface board Common replacement
    Amazon →

More Maytag dishwasher codes

All Maytag codes → All dishwasher 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: maytag.com.