9. Maintenance and safety checks
9.1 Intervals
We recommend having servicing, safety checks and repair work carried out only by
the manufacturer, Weinmann, or by a specialized dealer expressly authorized by
the manufacturer.
Check both filters regularly for dirt.
• The coarse dust filter and the fan filer should be cleaned once a week and
changed no later than every 6 months.
• The fine filter must be changed after no more than 1000 operating hours (filter
change symbol appears in the display).
For hygiene reasons, we recommend replacing the following parts at the intervals
specified.
9.1.1 Leakage ventilation
• Pressure measuring tube every 6 months - earlier if dirty
• Clean the patient/ventilator interface in accordance with the relevant
instructions for use
• Clean the exhalation system in accordance with the relevant instructions for use
• If necessary, other accessories in accordance with the associated operating
instructions
9.1.2 Valve ventilation
• The patient circuits with patient valve should be replaced in accordance with the
relevant instructions for use
• Clean the patient/ventilator interface in accordance with the associated
instructions for use
• If necessary, other accessories in accordance with the associated instructions for
use