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Error code reference

Whirlpool Washer Error Code F36

Water level sensing not functioning

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What the F36 error code actually means

Your Whirlpool washer's F36 error means the machine cannot correctly detect how much water is inside the tub. The sensor responsible for measuring water level has stopped sending a reliable signal, so the washer has shut down to avoid overfilling or running improperly. This issue needs to be diagnosed before the washer can resume normal operation.

Diagnostic procedure

The full F36 procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check wiring harness to the pressure sensor and ACU. Check the pressure hose. Check for blocked pump filter.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of F36

Ranked by how often they cause this code
  1. 1Wiring harness fault
  2. 2Kinked or blocked pressure hose
  3. 3Blocked pump filter
  4. 4Failed pressure sensor
  5. 5ACU communication fault

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Questions people ask about F36

What does F36 mean on a Whirlpool washer?
F36 indicates a water level sensing failure. The pressure sensor, which monitors how much water is in the tub, is sending no signal, a signal outside the expected range, or a zero offset that is too high. The washer stops operation to prevent overfilling or incorrect cycle behavior until the issue is resolved.
Is it safe to run my washer with an F36 error?
No, you should not attempt to run the washer while F36 is active. Without accurate water level sensing, the machine cannot regulate fill correctly, which creates a risk of overfilling and potential water damage. The washer will typically halt the cycle until the fault is cleared.
How much does it cost to repair an F36 error on a Whirlpool washer?
If only the pressure hose needs repositioning or the pump filter needs cleaning, the repair can cost little to nothing beyond your time. Replacing a faulty pressure sensor typically runs between $20 and $60 for the part. If the ACU is determined to be the root cause, board replacement or repair can range from $150 to $400 or more depending on the specific model and labor costs in your area.
Can I fix the F36 error myself?
Many F36 causes are DIY-friendly. Start by checking the wiring harness connectors at the pressure sensor and ACU for looseness or corrosion, inspect the pressure hose for kinks or blockages, and clean the pump filter. If those checks do not resolve the fault, replacing the pressure sensor is a moderately accessible repair for someone comfortable working inside a washer cabinet.
Will resetting the washer clear the F36 code?
A reset may temporarily clear the code from the display, but if the underlying problem with the pressure sensor, hose, or wiring is not fixed, the fault will return as soon as the washer attempts to sense water level again. A reset is useful for confirming whether an intermittent connection caused the fault, but it is not a repair on its own.

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