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LG Washer PE Error Code

Water level sensor problem. What it means, which models show it, and how to clear it, easiest fix first.

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PE
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.

Compatible models

LG doesn't publish a model list for this code; it appears on LG washers with a digital display. Check your owner's manual.

Also shown as

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

Difficulty

Start with the safe checks below; a worn part may need replacing.

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

  1. Reset the washer

    Unplug the washer, wait about 5 minutes, then plug it back in and try a cycle.

  2. 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.

  3. 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 linked to PE

These are the parts most often behind this code. Tap one to see what it does and the signs it is failing.

Order parts by your full model number so they fit.

Frequently asked questions

What does PE mean on a LG washer?

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.

Which LG models show the PE code?

LG doesn't publish a model list for this code; it appears on LG washers with a digital display. Check your owner's manual.

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.

Other LG washer codes

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

Sources we checked