Malfunctions and Rectification 35
7. Malfunctions and Rectification
If there are defects that cannot be rectified at once, please contact Weinmann or
your dealer immediately to have the unit repaired. To prevent greater damage,
stop using the unit.
7.1 CPAP 20e
Malfunction Cause Rectification
No running noise,
standby/status display
not illuminated.
No supply voltage
available
Check power supply cable is securely connected.
Check function of outlet by connecting another
piece of equipment (e.g. a lamp).
Unit is running but does
not reach CPAP pressure
level selected.
Filter soiled Clean/change filter (5.2, page 26).
Mask not airtight
Adjust headgear so that mask is airtight.
Replace mask if defective.
Error message
“Err E“, “Err b“, “Err c“,
“Err A“, “Err H“ or
“Err S“ in display.
Problems with electronics
or program “crashed”
Disconnect power and reconnect.
There is no pressure or
incorrect pressure to the
mask.
Water in the pressure
measurement port
Dry the pressure measurement line, see page 29.
The pressure
measurement tube is
incorrectly fitted in the
upper part.
Push the pressure measurement tube on to the
correct connecting piece, see 5.3.
No mains voltage
available at the therapy
unit.
Check mains cable is securely connected. Check
function of outlet by connecting another piece of
equipment (e.g. a lamp).
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