How do I fix error code PE on a LG washers?

1. undefined: Confirm PE error is displayed. 2. undefined: Check pressure sensor connector for damage or looseness — reconnect or repair. 3. undefined: Measure resistance of pressure sensor from pin 1 to pin 3 (should be 21-23 Ohm ±10%). If out of range, replace pressure switch. 4. undefined: Check if air chamber and tube are clogged — fix and remove foreign material. 5. undefined: If all above pass, replace MAIN PWB Assembly.

LG Washers2015–present

Error Code PE

Pressure Sensor Error — pressure sensor assembly out of order; water level frequency consistently below 10 kHz or over 30 kHz

Moderate

Address soon - your appliance may not work properly

What This Means

Pressure sensor connector broken or loose; Pressure sensor resistance out of range (pin 1 to pin 3 should be 21-23 Ohm ±10%); Air chamber and tube clogged; MAIN PWB Assembly defective

How to Fix

1
Confirm PE error is displayed.
2
Check pressure sensor connector for damage or looseness — reconnect or repair.
3
Measure resistance of pressure sensor from pin 1 to pin 3 (should be 21-23 Ohm ±10%). If out of range, replace pressure switch.
4
Check if air chamber and tube are clogged — fix and remove foreign material.
5
If all above pass, replace MAIN PWB Assembly.

This Error Applies To

LG WM9000H Series Washers (2015) (2015–present)

Service manual exact match: WM9000HVAService manual exact match: WM9000HWA

Related Error Codes

Water Inlet Error

EEPROM Error — EEPROM is out of order

Power Failure — power supply interrupted while washing machine was working

WiFi Error — WiFi modem self-check function error

dE2

Door Open Error (variant) — door lock switch assembly failure

Overflow Error — water is overflowing; water level frequency is over 21.3 kHz

dE1

Door Open Error — door not fully closed or door switch fault

Locked Motor Error

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