LG Washer - PE1 Error Code
The washer detected an abnormal pressure sensor reading.
Meaning
The washer detected an abnormal pressure sensor reading.
The LG PE1 error code is a variant of the standard PE pressure sensor error. PE1 appears on newer North American LG front‑load Direct‑Drive washers when the pressure sensor reports an unexpected or unstable water‑level signal.
Symptoms
Causes
Step-by-Step Fixes
- Inspect pressure hose for blockages.
- Check wiring to pressure sensor.
- Replace pressure sensor if needed.
- Correct drain hose height.
Safety Notes
- Unplug washer before servicing.
Applicable Models
Show Models
- map[front-load direct-drive (pe1-capable models):[WM3700HWA WM3800HBA WM3900HWA WM4000HWA WM4200HWA WM4500HBA WM5000HVA WM5500HVA WM6500HWA WM6700HBA]]
Related Pages
Other LG Washer Error Codes
Show All Error Codes
- LG Washer AC/AE Error Code — Communication Error
- LG Washer AE6 Error Code — Wi‑Fi Module Communication Error
- LG Washer CE Error Code — Overcurrent Error
- LG Washer CL Indicator — Child Lock Activated
- LG Washer dE Error Code — Door Error
- LG Washer dE1 Error Code — Door Not Locked
- LG Washer dE2 Error Code — Door Open
- LG Washer dE3 Error Code — Door Lock Failure
- LG Washer dHE Error Code — Door Heating Error
- LG Washer dL Error Code — Door Lock Failure (Modern Front‑Load Models)
- LG Washer DL Error Code — Lid Lock Failure (Legacy Top‑Load Models)
- LG Washer DR Error Code — Door/Lid Open During Cycle (Legacy Models)
- LG Washer E6 Error Code — Motor Triac Error
- LG Washer E7 Error Code — Hall Sensor Signal Error
- LG Washer FE Error Code — Overflow Error
- LG Washer HE Error Code — Heater Error
- LG Washer HE1 Error Code — Heater Overheat
- LG Washer HE2 Error Code — Heater Underheat
- LG Washer IE Error Code — Water Inlet Error
- LG Washer IE1 Error Code — Water Inlet Variant
- LG Washer LE Error Code — Motor Locked
- LG Washer LE1 Error Code — Water Leak Detected
- LG Washer OE Error Code — Drain Error
- LG Washer OE1 Error Code — Drain Fault Variant
- LG Washer OE2 Error Code — Drain Pump Overrun
- LG Washer OE3 Error Code — Drain Pump Blocked
- LG Washer PE Error Code — Pressure Sensor Error
- LG Washer PF Error Code — Power Failure
- LG Washer PF1 Error Code — Power Failure Variant
- LG Washer SE Error Code — Motor Sensor Error
- LG Washer SUD Error Code — Excessive Suds
- LG Washer tCL Indicator — Tub Clean Reminder
- LG Washer tE Error Code — Thermistor Error
- LG Washer tE1 Error Code — Thermistor Short
- LG Washer tE2 Error Code — Thermistor Open
- LG Washer tE3 Error Code — Thermistor Variant
- LG Washer UB Error Code — Unbalanced Load (ThinQ Variant)
- LG Washer UE Error Code — Unbalanced Load
- LG Washer UE1 Error Code — Unbalance Variant
- LG Washer VS Error Code — Vibration Sensor Error
Model-Specific Notes
- PE1 is more specific than PE and often appears alongside OE1. - Pressure hose blockages are the most common cause.
Disclaimer
The information provided on this page is for educational and informational purposes only. Repairs involve electrical, mechanical, and water-related risks. Always follow manufacturer instructions and consider contacting a qualified technician for diagnosis or repair.