- Spray arms not rotating or clogged
- Old, too much or too little dishwasher detergent
- Lack of rinse aid
- Wrong wash program selected
- Dishwasher not loaded properly
- Clogged filters or drain
- Diverter not working
- Dishes are not clean after running the dishwasher
- Only the dishes in the bottom rack are clean, upper rack still dirty
- Dishes not clean in the upper rack
- How to fix dishwasher that is not cleaning dishes
- Gritty or sandy residue on dishes after wash program complete
- Do dishes need to be rinsed before putting them in the dishwasher?
Steps to Verify Issue:
- Check to make sure the dishes are clean of large, caked-on food particles before placing them in the dishwasher.
- Verify water is entering the dishwasher and water to the unit is turned on.
- Use only fresh, unscented, granular automatic dishwashing detergent.
- Purchase smaller boxes to avoid clumping.
- See Cove Dishwasher Detergent Suggestions.
- Make sure to fill the rinse aid compartment.
- Use a heavier program better suited for the load when needed.
- Heavier programs are longer and use higher temperatures for dirtier loads.
- See Cove Dishwasher Wash Cycles.
- Verify proper dishwasher loading.
- Do not cover dishes with large bowls or other containers.
- Do not place tall glassware in the corners of the baskets.
- Make sure dishes do not block the spray arms.
- Verify nothing is blocking the detergent dispenser door.
- Verify the filters are clean and secured properly and the drain is clear.
- Improperly placed filters can also lead to spray arms clogging.
- See Cove Dishwasher Clean Filter.
- Clean the dishwasher if it has not been done recently. See How to Clean a Dishwasher.
- Check the inlet hose for kinks or sharp bends.
- Verify the dishwasher is level in the installation.
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