Importance of Filter Cleaning
Why Regular Filter Cleaning is Essential:
- Prevents food particles from redepositing on dishes
- Maintains optimal washing performance
- Extends dishwasher lifespan
- Reduces energy and water consumption
- Prevents unpleasant odors
- Ensures hygienic cleaning results
Consequences of Neglected Filters
- Poor Cleaning Results: Food residue remains on dishes and glassware
- Clogged Spray Arms: Reduced water pressure affects cleaning performance
- Drainage Issues: Water may not drain properly from the tub
- Unpleasant Odors: Trapped food particles decompose causing bad smells
- Motor Strain: Pump works harder, potentially leading to premature failure
- Increased Energy Use: Longer cycle times and higher electricity consumption
Filter Components
| Main Filter | Fine mesh filter that catches small food particles |
| Coarse Filter | Larger filter for bigger food debris and particles |
| Micro Filter | Ultra-fine filter for very small particles |
| Filter Assembly | Complete filter unit including all components |
| Filter Lock | Mechanism that secures filters in place |
| Drain Pump | Connected system that works with clean filters |
Filter Types by Bosch Series
- Standard Filters: Basic filtration for entry-level models
- AquaStop Filters: Enhanced filtration with leak protection
- Professional Filters: Advanced multi-stage filtration for premium models
- EcoSilence Filters: Specialized filters for quiet operation series
For specific filter replacement parts, contact Bosch Customer Service at 1-800-944-2904 or visit Bosch-home.com
Cleaning Procedure
Preparation Steps
Ensure dishwasher is cool and disconnected from power. Remove bottom rack to access filter assembly. Have cleaning brush and container ready.
Filter Removal
Turn filter assembly counterclockwise to unlock. Lift straight up to remove. Handle carefully to avoid damaging filter components.
Cleaning Process
Rinse filters under warm running water. Use soft brush to remove stubborn debris. Never use abrasive cleaners or sharp objects.
Reassembly
Ensure all components are completely dry. Align filter assembly properly and turn clockwise until it clicks into locked position.
Step-by-Step Cleaning Guide
Step 1: Safety First
Turn off dishwasher and ensure it's completely cool before starting
Step 2: Access Filter
Remove lower rack and locate filter assembly at bottom of tub
Step 3: Remove Filter
Turn filter lock counterclockwise and lift assembly straight up
Step 4: Clean Components
Rinse under warm water, use soft brush for stubborn particles
Step 5: Dry Thoroughly
Allow all components to air dry completely before reassembly
Step 6: Reinstall
Align properly and turn clockwise until secure lock click is heard
Maintenance Schedule
| Maintenance Task | Frequency | Importance Level |
|---|---|---|
| Quick Filter Rinse | After each use | Recommended |
| Thorough Filter Cleaning | Every 2-4 weeks | Essential |
| Complete Filter Inspection | Every 3 months | Important |
| Filter Replacement | Every 2 years or as needed | As Required |
| Professional Service | Annual check-up | Recommended |
Maintenance Tips
- Pre-rinse Dishes: Scrape off large food particles before loading
- Use Recommended Detergent: Bosch-approved detergents work best with filters
- Check Spray Arms: Ensure they rotate freely after filter cleaning
- Monitor Performance: Notice changes in cleaning results as maintenance indicator
- Keep Records: Note cleaning dates for consistent maintenance schedule
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Dishwasher won't start | Filter improperly installed, door not closed | Check filter alignment, ensure proper installation |
| Poor cleaning results | Clogged filter, wrong detergent | Clean filter thoroughly, use recommended detergent |
| Water not draining | Filter blockage, drain hose issues | Clean filter, check drain hose for kinks |
| Unusual noises | Foreign objects in filter, pump issues | Clean filter, check for foreign objects |
| Water remains in tub | Filter clogged, drain pump issues | Clean filter, check drain pump operation |
| Error codes displayed | Filter-related sensor issues | Clean filter, reset dishwasher |
Common Error Codes
- E15: Water drainage issue - Check filter and drain system
- E09: Water intake problem - Check filter and water supply
- E02: Water detection error - Check filter installation
- E24: Drainage timeout - Clean filter and check drain hose
- E21: Water overflow - Check filter and water inlet
- E14: Heating issue - May be related to water flow through filter
Manual Downloads
Current Model Manuals
SMS6ZB126G
Bosch 800 Series Dishwasher
SMS8ZHV126G
Bosch 800 Series with CrystalDry
SMS4HMW126G
Bosch 500 Series Dishwasher
SMS2HMW126G
Bosch 300 Series Dishwasher
Popular Previous Models
SMS63L08GC
Bosch 100 Series Dishwasher
SHS63VL6UC
Bosch 500 Series with Bar Handle
SMS68L04GC
Bosch 800 Series Stainless Steel
SHS53VL6UC
Bosch 300 Series Bar Handle