What to check first
Stop normal operation while this warning is active. Follow only the documented safe checks or protective-drain instructions for the exact model.
Basic checks
- Stop the cycle if safe.
- Unplug only if it is safe and dry to do so.
- Check the model manual before retrying controls.
- Look for water rising higher than normal; if the tub or tray overfills, stop the cycle before another retry.
- Check visible hose routing for unusual siphoning; if water level changes unexpectedly, stop retries.
- Restart only after the visible water level looks normal; if the code returns, leave sensor checks to service.
Applicability
Regional guidance · LG washers covered by the cited U.S. top-load and front-load PE support articles · United States
This scope follows LG's U.S. top-load and front-load support articles; exact PE display behavior and reset timing can vary by washer family and model.
Reset or retry steps
- If the model guidance suggests a brief unplug reset, retry once and stop if PE returns.
When to call a technician
- Call LG service if PE returns after a safe reset.
- Call service for suspected sensor, wiring, or control faults.
Before approving a paid visit, check warranty status and reviewquestions to ask before repair.
Can I keep using it?
Stop normal use when water is visible or a leak warning is active. Stay clear if water could reach wiring or controls.
- Safe next step
- Follow the code-specific shutdown or protective-drain instructions, turn off water when appropriate, and avoid repeated resets. Do not interrupt a documented protective-drain sequence just to clear the display.
- Stop when
- Water is near wiring, cabinetry is getting wet, the leak returns, or the source is not safely visible.
Do not keep using the appliance if the code points to voltage, wiring, control power, burning smell, smoke, or a possible miswired supply.
- Safe next step
- Use only safe owner-level power checks, then involve a qualified technician or electrician when the source points to wiring or supply voltage.
- Stop when
- Breakers trip, lights dim, the appliance smells hot, wiring may be miswired, or the warning returns after a safe reset.
Safety boundaries
Safe first
- Match the exact brand, appliance type, and displayed code first.
- Use the model manual as the final authority for access steps.
- Disconnect power before any service-access step.
Do not do this
- Do not continue normal cycles while this code is active; any protective-drain sequence must follow the exact model instructions.
- Do not bypass locks, float switches, leak sensors, or other safety systems.
Common causes include
- Water level sensor malfunction
- Sensor wiring or control issue
- Moisture-related sensing issue on some models
FAQ
What does LG Washer code PE usually mean?
Usually indicates a water level sensor problem. Model context matters: LG's U.S. top-load and front-load error-code articles both include PE for water-level or pressure-sensor detection, but the display wording and reset timing can differ by washer family.
Can I keep using the washer with code PE?
Stop normal operation until the issue and safety warnings have been addressed. Follow only the documented safe checks or protective-drain instructions for your model. Disconnect power before service access.
When should I call a technician for LG PE?
Call LG service if PE returns after a safe reset. A qualified technician may check Water level sensor, Sensor harness, and Control board against the model's service information before treating any part as failed.