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Error code reference

Whirlpool Washer Error Code F71

Dryer communication failure from UIC to dryer CCU

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What the F71 error code actually means

Your Whirlpool combo washer/dryer is showing F71 because the two main control boards inside the unit have stopped talking to each other. When this happens, the machine locks out cycle selection and disables the display until the problem is fixed. This usually points to a wiring or connection issue between the boards, or a failed control board.

Diagnostic procedure

The full F71 procedure

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1
Confirm the fault
Power cycle the unit: switch off the breaker for 60 seconds, then restore power. If the code returns, the fault is persistent and the procedure below isolates the cause.
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Most common causes of F71

Ranked by how often they cause this code
  1. 1Loose or disconnected wiring connector
  2. 2Corroded or damaged connector pins
  3. 3Damaged wiring harness
  4. 4Failed User Interface Control (UIC) board
  5. 5Failed dryer Central Control Unit (CCU)

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Questions people ask about F71

What does F71 mean on a Whirlpool washer?
The F71 code indicates a communication failure between the User Interface Control (UIC) and the dryer Central Control Unit (CCU). The CCU is not receiving signals from the UIC, which causes the unit to disable cycle selection and the price display. The fault will persist until the communication issue is resolved and the error is manually cleared.
Is it safe to keep using my washer with an F71 error?
While the F71 error itself does not indicate a fire or water hazard, the unit will disable cycle selection and the price display while the fault persists, meaning you cannot run normal cycles. Continued use is not possible in this state, and the underlying wiring or board issue should be addressed before attempting to operate the machine.
Will resetting my Whirlpool washer clear the F71 error?
A power reset may clear the F71 code temporarily from the display, but it will not fix the underlying communication problem. If the wiring fault or failed board is still present, the code will return once the control attempts communication again. The error must be manually cleared after the root cause is actually repaired to prevent it from coming back.
Can I fix the F71 error myself?
Some causes of F71 are DIY-friendly, such as reseating a loose wiring connector or cleaning corroded pins. However, diagnosing a broken harness or a failed control board requires continuity testing with a multimeter and some familiarity with appliance wiring. If you are not comfortable working with internal wiring, a qualified technician should handle the diagnosis.
How much does it cost to repair a Whirlpool F71 error?
Repair costs vary depending on the root cause. If the fix is simply reseating a connector, there may be no parts cost at all. A replacement wiring harness typically runs in the range of $20 to $80 in parts, while a replacement UIC or CCU board can cost anywhere from $80 to $250 or more depending on the model. Adding a technician labor rate will increase the total.

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