Skip to main contentGet Started
Error code reference
Whirlpool Washer Error Code F7
Serial communication error
Avg. service call
$285
National average. Trip fee plus diagnostic plus labor. Before parts.
MyPros+ 3-day pass
$9.95
Same diagnostic steps, on your phone. Start now.
You keep in your pocket
~$275
Even before you buy the part.
Skip the service call. Fix it yourself.
Full procedure unlocks instantly.
What the F7 error code actually means
Your Whirlpool washer is showing an F7 error because its two main computer boards have stopped communicating with each other. Think of it like a phone call that keeps dropping. The washer cannot run safely until that connection between the boards is restored.
Diagnostic procedure
The full F7 procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Unplug washer or disconnect power; check that power cord terminals are connected at the right position to the RFI filter (white-Neutral/black-Line).
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock F7 procedure $9.95
Or subscribe: $29/month for unlimited access to all codes plus Max AI diagnostics.
Most common causes of F7
Ranked by how often they cause this code
- 1Incorrect power cord wiring at RFI filter
- 2Loose or disconnected wiring harness connectors
- 3Damaged wiring harness between CCU and UI board
- 4Failed User Interface Board
- 5Failed Central Control Unit (CCU)
Most DIYers save hundreds by diagnosing before ordering parts.
Get Started
$29/month · Cancel anytime · Or $9.95 3-day pass
Questions people ask about F7
What does F7 mean on a Whirlpool washer?
F7 signals a serial communication error between the Central Control Unit (CCU) and the User Interface Board (UI). The two boards are unable to exchange data correctly, which prevents the washer from operating. The fault can stem from incorrect power cord wiring at the RFI filter, loose harness connectors, damaged wiring, or a failed control board.
Is it safe to keep using my washer when F7 is displayed?
No. An F7 error means the control boards cannot communicate reliably, so the washer cannot monitor or manage its cycles correctly. Continuing to run it in this state could lead to unpredictable behavior. Power the unit down and diagnose the fault before attempting to run a wash cycle.
How much does it cost to repair a Whirlpool washer F7 error?
Repair costs depend on which component has failed. Correcting a wiring connection at the RFI filter costs nothing beyond your time. A replacement wiring harness typically runs in the range of $20 to $60 for parts. A new User Interface Board generally costs between $80 and $200, and a Central Control Unit can range from $150 to $350 or more. Labor charges will add to these figures if a technician is hired.
Can I fix the F7 error myself without replacing parts?
In many cases, yes. Start by unplugging the washer and checking that the power cord wires are connected correctly at the RFI filter, with white on Neutral and black on Line. Also inspect the wiring harness connectors between the CCU and UI board for looseness or corrosion. These no-cost checks resolve the error in a meaningful number of cases.
Will resetting the washer clear the F7 error code?
A power reset by unplugging the washer for a few minutes may temporarily clear the code, but if the underlying wiring or board fault is still present, F7 will return. A reset is a useful first step to rule out a transient glitch, but a persistent F7 requires a proper diagnostic inspection of the wiring and control boards.
78,000+ service manuals · 160,000+ error codes · 55+ brands
Get Started$29/month · Cancel anytime · Or $9.95 3-day pass