34
Malfunctions and Rectification
EN
7. Malfunctions and Rectification
Malfunction
Cause
Rectification
No running noise,
standby/ status dis-
play not illuminated.
No supply voltage
available.
Check power supply cable is securely
connected. Possibly check function of
outlet by connecting another piece of
equipment (e.g. lamp).
Unit cannot be
switched on by
breathing.
Automatic switch-on
/ off not activated.
Activate automatic switch-on / off (4.2,
page 18).
From software ver-
sion 6.0: setting for
exhalation relief can-
not be changed.
Setting lockout acti-
vated.
Clarify with your doctor whether the setting
for your therapy can be changed or adjust-
ment activated.
Softstart will not
switch on.
The (Soft)start function
is locked out.
Check with your doctor whether the
softstart function can be enabled for your
therapy.
Unit does not switch
off after approx. 5
seconds once mask
is removed.
Automatic switch-on
/ off not activated.
Activate automatic switch-on / off (4.2,
page 18).
Device runs, but
does not reach
lower pressure limit.
Filter soiled.
Clean / change filter (8.2, page 37).
Mask not airtight.
Adjust headgear so that mask is airtight.
Mask defective. Replace defective mask.
Filter change indica-
tor
illuminated.
Filter soiled.
Clean / change filter (8.2, page 37).
Error message
Err b
,
Err d
,
Err
P
,
Err S
,
Err (
or
Err E
in display.
Problems with
electronics.
Unit must be checked or serviced by
Weinmann or a dealer as soon as possi-
ble.
Service indicator
illuminated.
Maintenance
required.
Unit must be checked or serviced by
Weinmann or a dealer as soon as
possible.
