9. Cleaning and maintenance
WARNING
• Do NOT clean the sleep aid in the washing machine or dishwasher. Do not use any
chemical or abrasive cleaning agents for cleaning.
• Clean the sleep aid with a slightly damp cloth. If it is very dirty, you can also mois-
ten the cloth with a mild soapy solution.
10. Troubleshooting
Problem
Device will not switch on
Sounds are very difficult to hear
The device will not switch on
although new batteries have been
inserted
Possible cause
Flat batteries
Batteries almost flat
The device is faulty
28
Solution
Insert new batteries
Insert new batteries
Contact Customer
Services