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Troubleshooting
7. Troubleshooting
7.1 Malfunctions
Malfunctions/
Malfunction
message
Cause
Rectification
No operating
sound,
Nothing on the
display
No supply voltage
available.
Check that power supply and power
supply cables are securely connected.
Check outlet is working by connecting
another piece of equipment (e.g. a lamp).
Unit cannot be
switched on by
breathing.
Auto switch-on not
activated
Activate auto switch-on (4.2, page 20).
Soft start cannot be
switched on
The Soft start function
is disabled
Check with your doctor as to whether the
Soft start function can be enabled for
your treatment.
Soft start time cannot
be set to 30 minutes
Maximum Soft start
time has been
limited by the doctor
Check with your doctor whether the
maximum Soft start time for the current
therapy session can be extended to 30
minutes.
Unit is running but
does not reach
selected IPAP
pressure level.
Filter soiled.
Clean/change filter (8.2, page 39)
Mask not airtight.
Adjust the headgear so that the nasal mask
fits snugly, or replace it if necessary
Nasal mask is
defective.
Replace nasal mask
Please change the
filter!
Filter soiled.
Press the alarm acknowledgement key,
Clean/change filter as quickly as
possible (8.2, page 39)
Filter change
indicator
appears
Clean/change filter as quickly as
possible (8.2, page 39)
Содержание BiLevel ST 22
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