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
No running noise,
standby/status display
not illuminated.
Unit is running but does
not reach CPAP pressure
level selected.
Error message
"Err E", "Err b", "Err c",
"Err A", "Err H" or
"Err S" in display.
There is no pressure or
incorrect pressure to the
mask.
Cause
No supply voltage
available
Filter soiled
Mask not airtight
Problems with electronics
or program "crashed"
Water in the pressure
measurement port
The pressure
measurement tube is
incorrectly fitted in the
upper part.
No mains voltage
available at the therapy
unit.
Rectification
Check power supply cable is securely connected.
Check function of outlet by connecting another
piece of equipment (e.g. a lamp).
Clean/change filter (5.2, page 26).
Adjust headgear so that mask is airtight.
Replace mask if defective.
Disconnect power and reconnect.
Dry the pressure measurement line, see page 29.
Push the pressure measurement tube on to the
correct connecting piece, see 5.3.
Check mains cable is securely connected. Check
function of outlet by connecting another piece of
equipment (e.g. a lamp).
Malfunctions and Rectification
EN
35