AE
What code AE means on a LG washing machines, what causes it, and which part to check first.
● SEVERITY: HIGH
LG AE means: Anti-flood error water detected in the machine base. The documented cause is: Water has entered the base tray of the machine, triggering the flood protection float switch. Possible internal leak sources include a failed door seal, cracked internal hose, leaking pump, or failing inlet…
What AE means
Anti-flood error water detected in the machine base
The display shows AE and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by whitegoodshelp.co.uk
| DOCUMENTED CAUSE OR CHECK |
|---|
| Water has entered the base tray of the machine, triggering the flood protection float switch |
| Possible internal leak sources include a failed door seal, cracked internal hose, leaking pump, or failing inlet valve |
| Over-sudsing on some models can trigger AE |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine and close the water tap before removing any panel. Water and mains electricity sit centimetres apart inside a washing machine. If the drum still holds water, drain it from the filter first — it can be scalding.
What to check, in order
From the quickest check to the one that needs a technician.

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Frequently asked questions
What does AE mean on a LG?
Anti-flood error water detected in the machine base The documented cause is: Water has entered the base tray of the machine, triggering the flood protection float switch. Possible internal leak sources include a failed door seal, cracked internal hose, leaking pump, or failing inlet valve. Over-sudsing on some models can trigger AE.
Can I fix AE myself?
It depends on the part involved: Water has entered the base tray of the machine, triggering the flood protection float switch. Possible internal leak sources include a failed door seal, cracked internal hose, leaking pump, or failing inlet valve. Over-sudsing on some models can trigger AE. 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 23 other codes for LG on this washing machines. 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.

