If water is coming out of the bottom of a dishwasher after it has completed the cleaning cycle but before it has drained completely, there could be a few possible reasons for this issue:
Clogged Drain: One common reason for water leakage is a clogged or partially blocked drain. Over time, food particles, grease, and other debris can accumulate in the dishwasher's drain hose or filter, obstructing proper drainage. This can cause water to back up and overflow from the bottom of the dishwasher.
Drain Hose Issues: The dishwasher's drain hose may be improperly installed or damaged. Ensure that the drain hose is properly connected and secured. Check for any kinks, bends, or cracks in the hose that could impede the flow of water, leading to leakage.
Malfunctioning Check Valve: Dishwashers have a check valve or an anti-siphon valve that prevents water from flowing back into the dishwasher after it drains. If the check valve becomes faulty or stuck, it can cause water to seep back into the dishwasher and eventually leak from the bottom.
Faulty Pump or Motor: If the dishwasher's pump or motor is not functioning correctly, it may not effectively remove all the water during the drain cycle. This can result in residual water remaining in the dishwasher and eventually leaking out.
Overfilled Dishwasher: Overloading the dishwasher with too many dishes or using excessive amounts of detergent can cause excessive suds or water levels, leading to leakage. Ensure you are following the manufacturer's guidelines for loading the dishwasher and using the appropriate amount of detergent.
Defective Float Switch: The float switch is a component that detects the water level in the dishwasher. If the float switch malfunctions or gets stuck in the "up" position, it can prevent the dishwasher from draining properly, leading to water leakage.
If you are experiencing water leakage from your dishwasher, it is recommended to first check for any visible issues, such as clogs or damaged hoses. Clean or replace any obstructed parts as necessary. If the problem persists, it is advisable to consult the dishwasher's manual or contact a professional technician for further diagnosis and repair.