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LG Washing Machine Error Code PE

Medium Severity 🔧🔧 Moderate DIY

Water level pressure sensor error

The pressure sensor measuring the water level in the drum has failed or is reading incorrectly. The washer cannot safely control fill without this sensor.

💰 DIY cost: $20–$55 👨‍🔧 Pro cost: $150–$280 Save $130+ by doing it yourself

What Does Error Code PE Mean on a LG Washing Machine?

Water level pressure sensor error.

The pressure sensor measuring the water level in the drum has failed or is reading incorrectly. The washer cannot safely control fill without this sensor.

What Causes Error Code PE?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

  1. 1
    Pressure sensor failure 55% of cases
  2. 2
    Pressure hose kinked or disconnected 30% of cases
  3. 3
    Control board pressure input failure 15% of cases

How to Fix LG Washing Machine Error Code PE

🔧🔧 Moderate DIY Est. time: 30–60 min
Safety first: Unplug the appliance before opening any panels or touching internal components.
  1. 1

    Check pressure hose

    Locate the small hose running from the tub to the pressure sensor. Check for kinks or disconnection.

  2. 2

    Blow test the sensor

    Disconnect the hose from the sensor. Gently blow — you should hear audible clicks.

  3. 3

    Replace pressure sensor

    If sensor doesn't click, replace it.

    🔩 LG pressure sensor ($20–$55)

How to Reset Error Code PE

After repair, restart cycle.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

When to Call a Professional

If new sensor and clear hose don't resolve PE, the control board pressure input has failed.

Average professional repair cost for this issue: $150–$280

Related Error Codes

Same Code on Other Brands

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Find Replacement Parts

Use these links to find the exact replacement parts for your LG Washing Machine:

External links — ApplianceErrors.com is not affiliated with these retailers.

Frequently Asked Questions

What does error code PE mean on a LG Washing Machine? +
Water level pressure sensor error
How do I fix error code PE on my LG Washing Machine? +
Start by Locate the small hose running from the tub to the pressure sensor. Check for kinks or disconnection.. If that doesn't resolve it, work through each step in the fix guide above.
How do I clear or reset error code PE? +
After repair, restart cycle.
Is error code PE serious? +
Medium severity. The appliance may still operate but the issue should be resolved to prevent further damage.