Whirlpool Washer F6 E3 Error Code: Motor Communication Fault

Quick Answer

F6 E3 is a board-to-board communication fault. The main control board and the MCU exchange data constantly during a cycle. When that communication link breaks, the machine faults with F6 E3.

F6 E3 is a board-to-board communication fault. The main control board and the MCU exchange data constantly during a cycle. When that communication link breaks, the machine faults with F6 E3. The cheapest first step is a 60-second power reset, which resolves a surprisingly large percentage of F6 E3 occurrences caused by transient voltage glitches. If the code persists, inspect the wiring harness between the two boards for damage. If wiring is intact, replace the MCU first since it fails more often and costs less than the main board. Replace the main board only if the code persists after a confirmed good MCU.

WhirlpoolWasherSeverity: highDifficulty: advanced72% DIY Success

Time to Fix

45–150 min

Difficulty

advanced

Parts Cost

$120 – $350

Tools Needed

Multimeter, Torx T20 screwdriver

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motor communication fault

MaytagF6 E3

What Does the F6 E3 Code Mean?

Main board and MCU lost communication. Power reset first. If persistent, inspect wiring then replace MCU.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Transient voltage glitch causing communication dropout (30%)40%

Failed MCU board (30%)24%

Failed main control board (15%)22%

Damaged wiring harness between boards (25%)14%

Symptoms You May Notice

F6 E3 displayed during agitation or spin
Machine stops immediately and will not restart
Code appears repeatedly even after power resets

Can you reset a Whirlpool washer to clear the F6 E3 code?

Unplug for 60 seconds minimum. After board replacement, plug back in and run an empty test cycle on a short wash setting to confirm communication is restored before loading laundry.

Tools Required for Diagnosis

MultimeterTorx T20 screwdriver1/4 inch nut driverWiring diagram

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

Unplug the washer from the wall outlet

Unplug the washer from the wall outlet. Wait a full 60 seconds, then plug back in and start a cycle. A transient fault will clear with this reset.

Unplug the washer

Inspect the MCU board visually for burned spots

If F6 E3 persists after MCU replacement

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name	OEM Number	Estimated Price
Motor Control Unit (MCU)W10756692 · $120–$200	W10756692	$120 – $200
Main Control BoardW10756697 · $200–$350	W10756697	$200 – $350

Verify part fitment for your Whirlpool model

Repair vs. Replace Calculator

Appliance Age (Years)7 Yrs

Labor Approach

Our Verdict

BORDERLINE

Estimated Cost: $235 (Parts) vs $700 (New Machine)

Frequently Asked Questions

Is F6 E3 worth repairing on an older Whirlpool washer?

The MCU alone is $120-200. If the main board also needs replacement, total parts cost approaches $320-550. For a washer over 10 years old, compare this against replacement cost ($500-900 for a comparable machine) and the overall condition of the tub and motor.

Can a power surge cause F6 E3?

Yes. Power surges can damage the MCU, the main board, or corrupt the communication protocol between them. If F6 E3 appeared immediately after a storm or power event, inspect both boards for burn marks and consider testing with a new MCU first.

Related Whirlpool Washer Error Codes

Code: F7 E1Whirlpool Washer F7 E1 Error Code: Drive Motor Fault Code: RESETHow to Reset a Whirlpool Washer

Same Fix on Other Brands

Maytag washerF6 E3: Maytag Washer F6 E3 Error Code

Same Fix Works on These Brands

Whirlpool shares the same hardware platform with these brands. The diagnosis and repair steps are identical.

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Models Known to Experience F6 E3 Errors

This repair applies to most Whirlpool washers with this error code. Common model numbers include:

WTW4816FW, WTW5000DW, WTW7000DW, WTW4850HW

Last verified for technical accuracy on March 14, 2026