Troubleshooting; Malfunctions - Weinmann VENTIlogic BiLevel ST Description Of Unit And Operating Instructions For Patients

8. Troubleshooting

8.1 Malfunctions

Malfunction/Error
message
No running noise,
no Display
Unit cannot be
switched on by tak-
ing a breath.
Soft start will not
switch on
Soft start time can-
not be set to 30 min.
Unit runs but does
not reach the set
IPAP pressure.
Change filter!
Filter change indica-
tor illuminated
Cause
No supply voltage
available.
Auto switch-on not
activated.
Soft start function is
locked out.
TA mode is active.
Maximum soft start
time limited by
doctor.
Filter soiled.
Mask leaking.
Mask defective.
Filter soiled.
Rectification
Check connecting cord is securely con-
nected. Possibly check function of supply
socket by connecting another piece of
equipment (e.g. a lamp).
Activate auto switch-on (5.2, Page 19).
Check with your doctor whether the soft
start function can be enabled for your
therapy.
The Softstart function is not available in
TA mode. If necessary, check with your
physician whether the correct ventilation
mode is set.
Check with your doctor whether the max-
imum soft start time for your therapy can
be extended to 30 minutes.
Clean/change filter (9.2, Page 40)
Adjust headgear/headband so that the
Mask does not leak - replace if necessary
Replace mask
Press alarm ackknowledgement switch
Clean/change filter (9.2, Page 40)
Clean/change filter (9.2, Page 40)
Troubleshooting
33
EN