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32
Filter Change
FILTER CHANGE
If the
fi
lter is polluted or the display shows the message
Change Filter
the
fi
lter cassette must be changed.
1. To change the cassette, pull it out of the device.
2. Separate
fi
lter cassette and
fi
lter frame cover by
pulling them apart.
3. Replace the
fi
lter cassette.
4. Mount the
fi
lter frame cover onto the new
fi
lter cas-
sette. Make sure the upper part (slit) and the
fi
lter
cassette (pin) are in the correct position.
To set back the message proceed as described in the
chapter “Patient-Menu” on page 46.
NOTE:
Never operate the device without
fi
lter cassette.
Only and exclusively use original HOFFRICHTER
fi
lter cassettes. Otherwise, the warranty for the
respiratory therapy device will become extinct.
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HOFFRICHTER
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