PE — Water Level Sensor Fault
PE (Pressure Error) means the water level (pressure) sensor is reading out of range, so the washer cannot tell how full the tub is.
- Keep using it?
- Yes, with caution
- DIY difficulty
- Moderate
- Typical cost
- $25-55
- Verified against
- lg.com ↗
The fix
Pressure sensor / water level sensor
Pressure sensor error
Diagnose first: Sensor itself fails, or the clear air hose from tub to sensor is kinked, clogged with detergent residue, or off.
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How to fix it
- Unplug the washer and locate the pressure sensor (usually top of the tub).
- Clear the sensor hose of clogs.
- Replace the sensor if it remains out of range.
Why it happens
Typical signs: Washer over- or under-fills · Cycle stops · PE on the display
- Clogged pressure sensor hose The small hose to the sensor traps water/debris.
- Faulty pressure sensor The sensor itself has failed.
More LG washer codes
Frequently asked questions
What does the PE code mean on a LG washer?
PE (Pressure Error) means the water level (pressure) sensor is reading out of range, so the washer cannot tell how full the tub is.
What causes the PE code on a LG washer?
Clogged pressure sensor hose: The small hose to the sensor traps water/debris. Faulty pressure sensor: The sensor itself has failed.
Is it safe to keep using a LG washer with a PE error?
Yes, with caution. This is rated a moderate-severity fault.
How do I fix PE on a LG washer?
Unplug the washer and locate the pressure sensor (usually top of the tub). Clear the sensor hose of clogs. Replace the sensor if it remains out of range.
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: lg.com.