Whirlpool Washer Error Code F6 E3: Communication Failure

Quick Answer

The F6 E3 code means your washer's internal computers are not talking to each other. In most service calls, this is caused by a loose wiring harness or a failed main control board that can no longer send signals to the display panel.

F6 E3 is basically your washer's two brains refusing to talk to each other. If you ignore it, it won't fix itself. I've seen boards sit like this for weeks before the owner called me, and by then moisture had crept into the connector and made the whole repair way more expensive. Nine times out of ten it's a connector that vibrated loose or a board that got fried by a surge. Catch it early and you might be looking at a 10-minute fix.

WhirlpoolWasherSeverity: highDifficulty: intermediate85% DIY Success

Time to Fix

30–90 min

Difficulty

intermediate

Parts Cost

—

Tools Needed

Phillips #2 screwdriver, Quarter-inch nut driver

What Does the F6 E3 Code Mean?

OK so here's the deal with F6 E3. It's a communication timeout. The user interface board sent a message to the main control board and never heard back. Could be a loose wire, could be a dead board. Parts run $50 to $400 depending on which board gave up, and I see this one pretty regularly on Whirlpool front-loaders that are 3 to 7 years old.

Most Likely Causes

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

Loose or damaged wiring harness45%

Main control board (ACU) failure40%

User interface (UI) board failure10%

External electrical noise or surges5%

Symptoms You May Notice

The display freezes mid-cycle and won't respond to any button presses, like the whole thing just locked up completely.
F6 E3 flashing on screen, sometimes with all the indicator lights blinking at once.
Door stays locked even after the cycle fails and you can't get your clothes out.
Start button does absolutely nothing, like the washer doesn't even know you pressed it.
Washer stops 10 or 15 minutes into a wash cycle and won't restart.

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

Unplug the washer completely and wait five minutes. Plug back in. On most Whirlpool front-loaders, turn the cycle selector to NORMAL, then rotate counter-clockwise one click and clockwise three clicks to re-initialize the boards. Wait for all LEDs to cycle through. If the code clears, run a short rinse-only cycle to confirm the boards are communicating normally before you call it fixed.

Tools Required for Diagnosis

Phillips #2 screwdriverQuarter-inch nut driverDigital multimeterElectrical contact cleaner sprayWork glovesFlashlight or headlamp

Service / Diagnostic Mode

Turn selector dial to NORMAL. Rotate counter-clockwise 1 click, then clockwise 3 clicks, then counter-clockwise 1 click, then clockwise 1 click. All LEDs should flash and the display should show 888 to confirm you're in diagnostic mode.

Diagnostic Checklist

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

ComponentComponent Under Test

Expected Range0–2 ohms

ConditionIf Open (OL) or infinite, replace component.

Frequently Asked Questions

Can I still use my washer with an F6 E3 code?

Nope. Once F6 E3 fires, the washer locks up completely. It won't start a new cycle and it usually won't release the door either because the safety interlock between the boards can't complete its handshake. Don't try to force it. You need to fix the communication issue before it'll run again, full stop.

Is the F6 E3 code caused by a bad motor?

Not directly, but kind of. The E3 part of the code specifically points to the communication link between the boards, not the motor itself. But here's where it gets complicated: a shorted motor control unit can drag down the voltage rail and starve the data circuit, which causes F6 E3 as a side effect. So if you've replaced the main board and still have the error, check the motor control unit too.

How much does it cost to fix an F6 E3 error?

Depends on where the fault is. Loose connector? Costs you nothing but 20 minutes. A new wire harness runs about $30 to $60. A user interface board is usually $80 to $150. The main control board is the expensive one, $150 to $400 depending on the model. Labor on top of parts runs $100 to $200 if you hire a tech. Most of the time I can diagnose and fix these in under an hour.

Why did my washer start showing this after a storm?

Power surges are brutal on these communication circuits. The main board runs both high-voltage and low-voltage circuits, and a surge can nail the low-voltage data path while leaving the motor and heating circuits totally fine. That's why the machine seems like it's getting power but still can't communicate. Cheap surge protector on your washer outlet, seriously, buy one.

How do I know if it's the main board or the UI board that's bad?

If your buttons were getting flaky or unresponsive in the weeks before the error showed up, bet on the UI board. If the error just appeared suddenly out of nowhere, especially right after a storm or power event, the main control board is more likely. The UI board is usually cheaper, so if you're guessing, start there.

What part numbers should I look for when ordering a replacement board?

You have to match your exact model number, don't guess on this. Common ACU part numbers for Whirlpool front-loaders include W10480185 and WPW10189966, but your specific model might be different. Check the sticker on the inside of the door jamb for your full model number before you order anything. Wrong board won't work and most suppliers won't take returns on installed parts.

Models Known to Experience F6 E3 Errors

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

WFW5000DW0, WFW9290FW0, WFW86HEBW0, WFW92HEFW0, WFW94HEXW0, WFW8500DC0, WFW75HEFW0, WFW9150WW0

Written by

Mike Sullivan

Lead Appliance Repair Technician · 20 years experience

Last verified for technical accuracy on March 17, 2026