How to Clean a Dishwasher
Learn how to clean a dishwasher by clearing the filter, wiping seals, checking spray arms, running a cleaner cycle, avoiding mistakes, and fixing odors.
Quick Answer
To clean a dishwasher, remove food debris, clean the filter, wipe door seals and edges, check spray arm holes, run a hot cycle with dishwasher cleaner or a manufacturer-approved method, and leave the interior dry. Check your manual before using vinegar, bleach, or special cleaners.
Supplies Required
- Dishwasher manual
- Soft brush
- Microfiber cloth
- Dishwasher cleaner
- Gloves
- Toothpick optional
- Towel
Safety Precautions
- Check the manual before removing parts or using cleaners.
- Do not mix bleach with vinegar or ammonia.
- Use only dishwasher-safe cleaners.
- Avoid forcing spray arms or filters.
Step-by-Step Instructions
- Step 1
Empty dishwasher
Remove dishes, racks if needed, and visible debris.
- Step 2
Clean filter
Remove the filter according to the manual, rinse, and brush gently.
- Step 3
Wipe seals and edges
Clean the door gasket, bottom edge, and detergent area.
- Step 4
Check spray arms
Look for clogged holes and clear gently if the manual allows.
- Step 5
Run cleaning cycle
Use a dishwasher cleaner or approved method on a hot cycle.
- Step 6
Clean exterior
Wipe controls and handle with a suitable cloth.
- Step 7
Prevent buildup
Scrape plates, clean filter regularly, and use the right detergent amount.
Practical Example
Example: Dishes smell musty. You clean the filter, wipe the gasket, clear a clogged spray arm hole, and run a hot cleaner cycle.
Common Mistakes
- Ignoring the filter
- Mixing chemicals
- Using regular dish soap
- Forcing parts
- Skipping door edges
- Assuming cleaner tablets replace filter cleaning
Troubleshooting
Dishwasher smells bad
Clean filter, seals, and hidden food debris before running cleaner.
Dishes are gritty
Clean filter and spray arms, and avoid overcrowding.
Water remains at bottom
Check filter and drain area; call service if drainage fails.
White buildup appears
Check hard water, detergent, rinse aid, and manufacturer guidance.
Helpful Internal Links
FAQs
How often should I clean the dishwasher filter?
It depends on use, but frequent cleaning helps prevent odor and poor washing.
Can I use vinegar?
Only if your manufacturer allows it. Some parts may not tolerate repeated vinegar use.
Can I use dish soap in a dishwasher?
No. Regular dish soap can cause excessive suds.
Why does my dishwasher smell?
Food debris, dirty filters, seals, and standing water are common causes.
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