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wait 15 minutes before starting the device aer
recommended environmental conditions are
restored.
Charger Combi BTE 2 is classied as IP22.
This means that the charger is protected from
vertically falling drops of water when the
charger is tilted up to 15 degrees from the
horizontal. IP22 is satised when the charger
lid is closed.
Power Pack storage for a year or longer:
to prevent damage to the battery cell the
maximum temperature range should be -20 to
+25 °C (-4 to +77 °F) and the battery cell should
be discharged and recharged a minimum once
every three months.
18. Care and maintenance
Expected service life:
The hearing aids and the compatible chargers
have the expected service life of ve years. The
devices are expected to remain safe for use for
this duration.
Commercial service period:
Routine and diligent care of your hearing aids
and charger will contribute to the outstanding
performance for the duration of the expected
service life of your devices.
Sonova AG will provide a minimum ve year
repair service period aer the respective
hearing aid, charger and essential components
have been phased out of the manufacturer's
product portfolio.
Please use the following specications as a
guideline.