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F6E1

F6E1 - No communication from HMI to ACU

Whirlpool · Diagnostic Mode

What does F6E1 mean?

The ACU (Appliance Control Unit) is not receiving communication signals from the HMI (Human-Machine Interface), which includes buttons and displays.

Common Causes

  • HMI or wiring issue
  • ACU problem

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the Human-Machine Interface (HMI) connections and functionality (Refer to TEST #2 in manual).

  2. 2

    Check ACU power (Refer to TEST #1 in manual).

Browse all codes in this manual (51)
Verified technical data. Last updated: April 2026

Related Faults

888 or 88Display Shows 888 or 88 — No Saved Fault CodesACU Power Check FailACU Power Check Failure — Power or Connection IssueClean Washer LED flashing at end of wash cycleClean Washer LED Flashing — Reminder to Run Clean Cycle
Source: Whirlpool Diagnostic Mode
Open Manual (Page 8)Search more codes in this manual