Dishwasher leaks water from underneath; puddle appears under the machine.

Safety first: Unplug the dishwasher and close the water tap immediately. Do not continue using a leaking appliance.

• Pull out the machine: Carefully slide the dishwasher out from under the counter. Have towels ready to catch any water.
• Inspect hoses and joints: Remove side panels and check all visible hoses, clamps, and joints for drips or mineral tracks indicating leaks.
• Check pump and sump: Examine the circulation pump and drain pump seals for signs of water. Look for cracks in the plastic sump or tub.
• Test with a small fill: After drying the base, run a short cycle while observing the underside to locate the leak source.
• Replace faulty components: Replace any leaking hose, clamp, pump, or sump. Structural cracks in the tub often require professional assessment or tub replacement.