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Whirlpool Washer F6E1 — Serial Communication Error

Editorial & technical review
  • Written by ApplianceWorth Editorial Team
  • Technically reviewed by Victor — appliance technician
  • Last reviewed 2026-07-01
  • Applies to Whirlpool washers
  • Confidence medium
  • Sources Manufacturer service documentation and field-repair experience · Methodology · Report a correction

What this code means

Communication between the central control and motor-control unit was interrupted.

Most likely causes

  • Loose harness connection
  • Grounding or electrical noise
  • Failed CCU or MCU

Safe checks for the owner

  1. Disconnect power for five minutes.
  2. Arrange service if the code returns.

Estimated U.S. repair cost

$250–$750, depending on model, access, parts availability and local labor.