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Error code reference

Kenmore Washer Error Code F9

Door switch error

Kenmore codesKenmore washer codes
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What the F9 error code actually means

Your Kenmore washer is showing an F9 error because it detected a problem with the door switch, either the door was never opened between three wash cycles in a row, or the washer's computer thinks the door latch is locked but the door switch is not sending the right signal back. This is a safety feature that stops the washer from running when it cannot confirm the door is properly closed and latched. In most cases, the fix involves checking the wiring connections at the door lock or replacing the door lock assembly itself.

Diagnostic procedure

The full F9 procedure

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First diagnostic step
Unplug washer or disconnect power; check wire harness connections to door lock and CCU.
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Most common causes of F9

Ranked by how often they cause this code
  1. 1Loose or corroded wire harness connections
  2. 2Failed door lock assembly
  3. 3Door not opened between cycles
  4. 4Damaged wiring harness
  5. 5Faulty Central Control Unit (CCU)

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Questions people ask about F9

What does F9 mean on a Kenmore washer?
The F9 code on a Kenmore washer indicates a door switch error. It appears when the door has not been opened for three consecutive cycles or when the door switch reads as open while the door lock is engaged for more than 5 seconds. The washer halts operation because it cannot confirm a safe door state. The fault typically points to a wiring issue or a failed door lock assembly.
Is it safe to use my Kenmore washer when the F9 code is showing?
No, you should not continue running the washer while the F9 code is active. This error indicates the control board cannot confirm whether the door is properly latched, which is a safety-critical function. Running the washer in this condition risks the door opening during a cycle, especially during high-speed spin. Resolve the fault before resuming normal use.
How much does it cost to repair a Kenmore washer F9 error?
Repair costs depend on which component is at fault. If the issue is only a loose or corroded wire harness connection, there may be no parts cost at all. A replacement door lock assembly typically ranges from $30 to $80 in parts, plus labor if a technician performs the work. A CCU replacement is more expensive, with parts alone often ranging from $100 to $250, making professional diagnosis worthwhile before replacing it.
Can I fix the F9 error on my Kenmore washer myself?
Yes, many cases of the F9 error can be resolved without professional service. Start by unplugging the washer and inspecting the wire harness connectors at the door lock assembly and the CCU for looseness or corrosion. If reconnecting the harness does not resolve the fault, the door lock assembly can be replaced as a DIY repair on most Kenmore washer models. If both components check out, a technician should evaluate the CCU.
Will resetting the washer clear the F9 error code?
A power reset by unplugging the washer or disconnecting it from power may temporarily clear the F9 code, but it will return if the underlying cause is not fixed. If the fault is due to a loose harness connector that reseats during the reset process, the repair may hold. However, a failed door lock assembly or damaged wiring will trigger the code again once the washer runs through a cycle.

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