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Dishwasher

Dishwasher Not Cleaning Well

Dishes come out dirty, spotted, or with residue

About This Problem

Poor cleaning results can have many causes, from water temperature to spray arm problems.

Possible Causes

  • Low water temperature
  • Clogged spray arms
  • Faulty wash motor
  • Insufficient water fill
  • Wrong detergent or too little detergent
  • Dirty filter
  • Hard water deposits
  • Improper loading blocking spray

Things to Try First

  1. 1Run hot water at sink before starting dishwasher
  2. 2Clean spray arms and clear clogged holes
  3. 3Clean filter thoroughly
  4. 4Use rinse aid for spot prevention
  5. 5Don't overload or block spray arms with large items
  6. 6Use proper amount of quality detergent

When to Call a Professional

Contact a certified technician if you experience any of the following:

  • Water isn't hot enough despite hot water at the tap
  • Spray arms don't spin freely
  • Water pressure seems weak
  • Cleaning doesn't improve after troubleshooting
  • Unit isn't filling with enough water

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