If your KitchenAid dishwasher won't drain at all, even when there isn't enough soap in it, there could be several potential causes for the issue. Here are some steps you can follow to troubleshoot and possibly fix the problem:
Check for Blockages: Inspect the dishwasher's drain filter, drain hose, and air gap (if applicable) for any clogs or debris. Sometimes, food particles or other objects can block the drainage system, preventing proper water flow.
Clean the Drain Filter: The dishwasher's drain filter can get clogged with food residues and debris over time. Remove the filter according to the dishwasher's user manual, clean it thoroughly, and then reinstall it.
Verify the Drain Hose: Ensure that the drain hose is properly connected and not kinked or pinched. A blocked or improperly installed drain hose can prevent the water from draining.
Check the Garbage Disposal: If your dishwasher is connected to a garbage disposal, make sure the disposal's drain port is clear and not clogged.
Test the Drain Pump: The dishwasher's drain pump might be malfunctioning, preventing the water from draining. Run a diagnostic test on the dishwasher (if available) or manually check the drain pump for any signs of damage or obstruction. If the drain pump is faulty, it may need to be replaced.
Inspect the Check Valve: The check valve prevents water from flowing back into the dishwasher after draining. If the check valve is stuck or defective, it can hinder proper drainage. Check and clean the check valve or replace it if necessary.
Reset the Dishwasher: Sometimes, electronic glitches can cause drainage issues. Try resetting the dishwasher by turning it off at the circuit breaker or unplugging it for a few minutes before plugging it back in.
Call for Professional Help: If the above steps don't resolve the problem, it's best to contact KitchenAid's customer support or a qualified appliance repair technician to diagnose and fix the issue. They will have the expertise and tools to identify any complex problems and provide appropriate solutions.
Always refer to the dishwasher's user manual for specific instructions and safety guidelines related to your model. Additionally, if your dishwasher is under warranty, it's advisable to contact the manufacturer or an authorized service center to avoid voiding the warranty.