PE
What code PE means on a LG dishwashers, what causes it, and which part to check first.
● SEVERITY: MEDIUM
LG PE means: Water level (pressure) sensor fault. The documented cause is: Pressure sensor or its hose
What PE means
Water level (pressure) sensor fault
The display shows PE and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by faultcodedatabase.com
| DOCUMENTED CAUSE OR CHECK |
|---|
| Pressure sensor or its hose |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine and close the water tap before removing any panel. The heating element and the wash water can stay hot long after the cycle ends.
What to check, in order
From the quickest check to the one that needs a technician.
Find a specialist
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Frequently asked questions
What does PE mean on a LG?
Water level (pressure) sensor fault The documented cause is: Pressure sensor or its hose
Can I fix PE myself?
It depends on the part involved: Pressure sensor or its hose Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Does LG use other codes on this appliance?
Yes: we document 7 other codes for LG on this dishwashers. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.