Troubleshooting
35
EN
8. Troubleshooting
If faults occur which cannot be eliminated at once, contact the manufacturer, Weinmann,
or your dealer immediately to have the device repaired. Do not continue operating the
device in order to prevent even greater damage.
8.1 SOMNO
vent
CR
Fault
Cause of fault
Remedy
No running noise,
standby/operating
indicator not
illuminated.
No power supply.
Check power cord is firmly connected. If
necessary check function of socket by
connecting a different device (e.g. a lamp).
Device cannot be
switched on by taking
a breath.
Automatic on/off not
activated.
Activate automatic on/off (5.3, page 21).
Softstart cannot be
switched on
The Softstart function
is deactivated.
Clarify with your doctor whether the
Softstart function can be activated for your
therapy.
Device does not
switch off approx.
5 seconds after the
mask has been
removed.
Automatic on/off not
activated.
Activate automatic on/off (5.3, page 21).
Device runs, but does
not reach therapy
pressure.
Filter dirty.
Clean/change filter (6.4, page 31).
Mask leaking.
Adjust headgear/headband so that the
mask does not leak.
If necessary, replace defective mask.
Filter change indicator
illuminates.
Filter dirty.
Clean/change filter (6.4, page 31).
Message
Err b
,
Err d
,
Err n
,
Err r
,
Err C
or
Err E
in the
display.
Problems in the
electronics.
Disconnect the device from the power
supply and connect it again. If the fault
continues to be displayed, the device needs
to be repaired by Weinmann or an
authorized dealer as soon as possible.
