Lg Dishwasher Error PE

⚡ Quick Answer: The LG dishwasher PE error indicates a pressure or water level sensor issue, often preventing proper drainage and causing the unit to display this err... ✅ DIY Fixable

What Does Error PE Mean?

The LG dishwasher PE error indicates a pressure or water level sensor issue, often preventing proper drainage and causing the unit to display this error message. Symptoms include the PE code on the control panel, continuous running attempts to drain, and cycles that may not advance as expected. Common causes are a faulty pressure sensor or a blocked pressure hose.

Common Symptoms:

  • Dishwasher displays PE on control panel
  • Dishwasher may run continuously or attempt to drain repeatedly
  • Cycle may not advance or start normally

Possible Causes

  • Faulty or malfunctioning pressure/water level sensor (medium)
  • Blocked pressure hose or misalignment of sensor (medium)

How to Fix Error PE

DIY Fix Basic checks and resets

  1. Turn off and disconnect power to the dishwasher for several minutes, then reconnect to see if error clears
  2. Ensure dishwasher is correctly installed and level
  3. Check for obvious water supply or drainage obstructions

Technician Only Inspect and test pressure/water level sensor and related components

  1. Access the pressure sensor and its hose beneath the unit
  2. Inspect pressure hose for blockages, kinks, or disconnection
  3. Test pressure sensor continuity and alignment; replace if defective
  4. Verify wiring connections between sensor and main control board

Parts needed: Pressure/water level sensor, Pressure hose, Sensor wiring harness

🛑 When to Call a Pro:
  • Error persists after basic reset and visual checks
  • Dishwasher continues to display PE and does not run cycles normally
  • Pressure sensor component testing indicates failure

Technical Specifications

wattage 40W
component Drain Pump
resistance 10-30 ohms
part_number LG 4681EA2001T
voltage_rating 120V AC

Common Questions

What does PE error mean on LG dishwasher?

The PE error indicates a pressure or water level sensor issue, leading to drainage problems.

Can I fix LG dishwasher PE error myself?

Yes, you can perform basic checks like resetting the appliance and ensuring proper installation and drainage.

How much does it cost to fix PE error?

Repair costs range from $50 to $200+, depending on parts and labor needed.

When should I call a technician for PE?

Call a technician if the error persists after basic checks or if sensor testing indicates failure.

Sources & References

Data last verified: 2026-01-10

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