CodeRegistry
Brands
  1. Home
  2. Whirlpool
  3. Diagnostic Mode
  4. F1E2
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

F1E2

F1E2 - MCU over- or under-voltage error

Whirlpool · Diagnostic Mode

What does F1E2 mean?

The Main Control Unit (MCU) is experiencing voltage that is too high or too low. This could be an issue with the household power supply.

Common Causes

  • Incorrect household voltage
  • Motor circuit issue

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the household voltage.

  2. 2

    Check the motor circuit (Refer to TEST #3 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