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How to Fix a Dishwasher Leaving White Residue

Quick Answer

Use a rinse aid, adjust the detergent amount, and descale the dishwasher.

How to troubleshoot a Dishwasher Leaving White Residue

White residue on dishes is caused by hard water or detergent issues. This guide covers removing and preventing white residue.

Step-by-Step Fix

  1. Check the rinse aid dispenser and fill it.
  2. Use the correct amount of detergent for your water hardness.
  3. Run the dishwasher on a hot cycle with a dishwasher cleaner.
  4. Use a water softener if you have very hard water.
  5. Check the salt dispenser and refill if needed.

Common Error Codes

CodeMeaningResolution
White filmHard water depositsUse a rinse aid and descale the machine.
Chalky residueToo much detergentReduce the amount of detergent.

Frequently Asked Questions

Why is my dishwasher leaving white residue?

Hard water, too much detergent, or not enough rinse aid.

How do I descale my dishwasher?

Use a commercial dishwasher descaler or vinegar.