LG Washer PE Error Code

Water level sensor problem. Here is what it means and how to clear it, easiest fix first.

Moderate DIY

The washer's pressure sensor, which measures how much water is in the tub, is giving readings the control doesn't trust. Excess suds from too much detergent or softener can confuse it, as can a blocked sensor hose or a failing sensor.

Listed for both front-load and top-load models.

Safety first: unplug the washer (or switch off its breaker) before touching filters, hoses or panels. If you smell burning or gas, or see water near the outlet, stop and call a professional.

How to fix LG PE

Reset the washer
Unplug the washer, wait about 5 minutes, then plug it back in and try a cycle.
Cut back on detergent and softener
Use only HE detergent and measure carefully, since oversudsing can upset the pressure reading. Skip extra softener until the problem clears.
Run a Tub Clean cycle
Run a Tub Clean cycle with a washer cleaner, such as an Affresh tablet, to clear built-up residue.

When to call a technician

If the code continues after cleaning and a reset, have a technician check the pressure sensor and its small air hose.

Parts that commonly cause PE

water level (pressure) sensor
pressure sensor hose

Order parts by your exact model number so they fit.

Other LG washer codes

Frequently asked questions

What does PE mean on a LG washer?

Can I fix LG PE myself?

Often. The first steps above are safe checks a homeowner can do. If they don't clear PE, the cause is likely a worn part that needs replacing.

What if PE keeps coming back?

A code that returns after a reset and the checks above usually means a part is wearing out. Note when PE appears (which cycle, how often) and have your model number ready; it helps a technician bring the right part on the first visit.

Last reviewed 2026-10-19. Codes and steps can vary by model; check your owner's manual.

References