Error Code AE

LEAKAGE ERROR

Also displayed as: AE

What This Means

Door gasket came loose or fell off; Float assembly is stuck; Controller (Main PCB) is damaged; Seal assembly not properly connected to sump; Unit not leveled; Wrong detergent used (excess suds)

How to Fix

1. 1

   Confirm 'AE' error on display

2. 2

   Remove power cord and remove lower cover (2 screws)

3. 3

   Remove lower frame and use flashlight to identify leak location in base

4. 4

   Check flooding position: P1 (left barrier) — suspect Air Guide, Inlet Valve, Drain Hose, Casing Assembly Heater; P2 (middle barrier) — suspect Overflow, Vario Motor, Drain Hose connections, Sump gasket; P3 (right barrier) — suspect Casing Assembly Pump hoses, Steam Hose, Inlet/Drain Hoses

5. 5

   Remove water from base, reconnect power cord and operate unit

6. 6

   Check specific leak points: Air Guide gasket/cap not properly assembled — reassemble or replace; Drain Hose O-ring deformed — always replace O-ring (Loc No: A131) on reassembly; Tub seam weld damaged — replace product; Inlet Valve O-ring damaged or body cracked — replace Inlet Valve; Sump gasket damaged — replace; Blower Cover gasket damaged — reassemble or replace; Door gasket disassembled or torn — reassemble or replace; Wrong dish loading causing overflow — advise correct loading

7. 7

   Check Float Switch operation and Main PCB if leak source is not found

8. 8

   After repair, run full cycle to confirm no recurrence

This Error Applies To

LG LDPH7972S Series Dishwashers