FixByModel
F2E2

Maytag F2E2: Main control communication error

The user-interface board and the main control board are not communicating correctly. The dishwasher may fail to start or ignore button presses.

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
  2. Loose or damaged ribbon/harness between the interface and main board
  3. Failing user-interface board
  4. Failing 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

1Power resetDisconnect power for 30 seconds by unplugging the unit or switching off its breaker, then restore power.
2Retry a cycleCheck whether the dishwasher now responds to buttons and starts normally.
3Note if it repeatsA returning F2E2 points to a wiring or board fault rather than a one-time glitch.
4Call for serviceHave a technician inspect the harness between the boards and replace the interface or main control if needed.

Still showing F2E2?

If you’ve worked through every step and F2E2 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

Maytag dishwashers. Maytag F#E# platform dishwashers (MDB-series), roughly 2015-present

FAQ

What does Maytag F2E2 mean?

Main control communication error. The user-interface board and the main control board are not communicating correctly. The dishwasher may fail to start or ignore button presses.

What causes Maytag F2E2?

The most likely cause is temporary control glitch. Other causes include Loose or damaged ribbon/harness between the interface and main board; Failing user-interface board; Failing main control board.

Can I fix Maytag F2E2 myself?

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