Troubleshooting and support
Philips Sonicare DiamondClean 9000 Rechargeable Toothbrush
HX9217/81
Get the most out of your product
How to brush
Low battery sign
Selecting the intensity level
Selecting your mode
How to clean the toothbrush
How to clean the brush head
How to clean the charging glass
How to clean the charging stand
Register your product
Get your extended warranty
Register within 90 days after purchase and get an extended warranty (conditions may apply).
Manuals and Documentation
- User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - User manual PDF file, 7.0 MB
18 June 2026 - EU Declaration of conformity ZIP file, 1.3 MB
10 July 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - Important information manual PDF file, 1.3 MB
18 June 2026 - UK Declaration of conformity ZIP file, 330.8 kB
10 July 2026
Frequently Asked Questions
- How do I use my Instant Feedback: Coverage on my Next-Generation DiamondClean 9000 - 9900?
- How do I charge my Next-Generation Sonicare DiamondClean 8000 - 9900?
- How do I know when to replace my brush head on the Next-Generation DiamondClean 8000 - 9900?
- How can I see my Post-Brushing Feedback on my Next-Generation DiamondClean handle?
- How do I understand my Post-Brushing Feedback: Pressure?
- How can I view the Post-Brushing Feedback: Coverage on my Next-Generation DiamondClean 9000 - 9900?
- How do I change the modes on my Next-Generation Sonicare DiamondClean 8000-9900?
- How does the Mouth Map work on my Next-Generation DiamondClean 9000 - 9900?
- How do I choose the Instant Feedback I want on my Next-Generation DiamondClean?
- How do I activate my Instant Feedback: Pressure + SenseIQ on my Next-Generation DiamondClean 9900?
- How do I change my intensities on the Next-Generation Sonicare DiamondClean 8000 - 9900?
- What do the Post-Brushing Feedback: Duration screens indicate on my Next-Generation DiamondClean 8000 - 9990?
- How do I charge my Next-Generation Sonicare DiamondClean 8000-9900 using the travel case?
- How do I check the battery status on my Next-Generation Sonicare DiamondClean 8000-9900?
- How can I factory reset my Next-Generation Sonicare DiamondClean 8000 - 9900?
- How do I activate my Instant Feedback: Scrubbing feature?
- How do I set up my Next-Generation DiamondClean 8000 - 9900 for the first time and choose my language?
- How do I use the buttons and display on the Next-Generation DiamondClean 8000-9900?
- What are the brushing modes for my Next-Generation DiamondClean 8000-9900?
- How do I navigate the main menu on the Next-Generation DiamondClean 8000 - 9900?
- Can I use my Sonicare toothbrush without the app?
- How do I register my Sonicare toothbrush?
- Which devices are compatible with the Sonicare App/Sonicare for Kids App?
- Can I use my Philips Sonicare Toothbrush in the shower?
- Why is there a gap between my brush head and handle?
- How do I use my Sonicare toothbrush with braces?
Troubleshooting & repair
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