LG Dishwashers2017–present

Error Code AE

Leakage Error — internal water leak detected by float/safety switch in base

Moderate

Address soon - your appliance may not work properly

What This Means

Door gasket came loose or fell off; Float assembly (safety switch) stuck; Controller (main PCB) damaged; Seal assembly on sump not properly connected; Unit not leveled correctly; Wrong detergent used (non-dishwasher detergent causing sudsing); Door opened during cycle

How to Fix

  1. 1

    Check if water is flooded in the base; if yes, tilt machine and drain water from base

  2. 2

    After draining, inspect drain hose sealing, pump casing assembly, and vario motor for source of leak

  3. 3

    If leak source found, reassemble or replace the leaking part

  4. 4

    Check if safety switch assembly is stuck; if yes, replace safety switch assembly

  5. 5

    Check if door gasket came loose or fell off; if yes, replace door liner assembly

  6. 6

    Verify machine is leveled properly using a digital level; adjust leveling feet if needed

  7. 7

    Confirm customer is using dishwasher-specific detergent (not hand dishwashing liquid)

  8. 8

    Confirm door was not opened during cycle

  9. 9

    Check if there is too much water in tub (overfill); if yes, replace inlet valve or air guide

  10. 10

    If float switch stuck in triggered position with no water in base, replace main PCB assembly

  11. 11

    For AE report: document unit level, mounting bracket condition, detergent type, cycle history, water supply temperature, and whether door was opened

This Error Applies To

LG LDT7808ST Series Dishwashers (2017) (2017–present)

Service manual exact match: LDT7808STService manual exact match: LDT7808BBService manual exact match: LDT7808WWService manual exact match: LSDT9908STService manual exact match: LSDT9908SSService manual exact match: LSDF9897STService manual exact match: LSDF9897SSService manual exact match: LDT7797ST+2 more

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