Liebherr Dishwasher Error E15

DIY Fix Immediate safety and basic checks

1. Turn off and disconnect power to the dishwasher (unplug or switch off breaker).
2. Shut off the water supply to the dishwasher.
3. Pull unit out and check underneath for visible water accumulation.
4. Dry any standing water in the base pan with towels.
5. Check around door seals, hoses, and connections for obvious leaks.

DIY Fix Basic troubleshooting to clear E15

1. Remove bottom dish rack and clean filters.
2. Inspect and clear any clogs in drain hoses.
3. Ensure the dishwasher is level; adjust feet as needed to prevent water pooling.
4. Check that the float/safety switch moves freely and is not obstructed.

Technician Only Technician‑level leak diagnosis and repair

1. Inspect door seals, tub gaskets, and hoses for microscopic leaks using dye or pressure testing.
2. Access and test float/safety switch circuit for correct operation.
3. Trace internal plumbing and sump assembly for cracks or pinhole leaks.
4. Replace faulty drain pump, float switch, or sealing components as needed.

Parts needed: Float/safety switch, Door and tub seals, Drain hoses, Drain pump