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

1. undefined: If connector is disconnected: Reconnect or repair the connector 2. undefined: If resistance is out of 21-23 Ohm +/-10% range: Replace the pressure switch 3. undefined: If air chamber or tube is clogged: Fix the air chamber and remove foreign material 4. undefined: If all above check out: Replace the main PCB assembly

LG Washers2015–present

Error Code PE

Q: What does error code PE mean on a LG washers?

Pressure Sensor Error - Water level pressure sensor fault Pressure sensor connector disconnected; Pressure sensor resistance out of range; Air chamber or pressure tube clogged; PCBA fault

Pressure Sensor Error - Water level pressure sensor fault

Moderate

Address soon - your appliance may not work properly

Also displayed as: PE

What This Means

Pressure sensor connector disconnected; Pressure sensor resistance out of range; Air chamber or pressure tube clogged; PCBA fault

How to Fix

1
If connector is disconnected: Reconnect or repair the connector
2
If resistance is out of 21-23 Ohm +/-10% range: Replace the pressure switch
3
If air chamber or tube is clogged: Fix the air chamber and remove foreign material
4
If all above check out: Replace the main PCB assembly

This Error Applies To

LG WT7700H Series Washers (2015) (2015–present)

Service manual exact match: WT7700HKAService manual exact match: WT7700HWAService manual exact match: WT7700HVA

Related Error Codes

Door Lock Failure - Lid lock mechanism failed to lock

Drain Error - Water not draining

LE1

Motor Obstruction Error - Foreign object caught between wash plate and basket

Inlet Error - Water not filling or filling too slowly

Over Flow Error - Water level too high

Door/Lid Lock Error - Lid lock failed to detect closed position

Unbalance Error - Load is unbalanced during spin

Thermistor Error - Water temperature sensor fault

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