What to check first
Can I keep using it?
Electrical warning: stop and verify
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 keep running the appliance while this code is active.
- 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
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.
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.
FAQ
What does LG Washer code PE usually mean?
Usually indicates a water level sensor problem.
Can I keep using the washer with code PE?
Do not keep using the appliance until the visible issue has been checked and the relevant safety warnings have been addressed. Disconnect power before service access.
When should I call a technician for LG PE?
Call LG service if PE returns after a safe reset. Call service for suspected sensor, wiring, or control faults.