Troubleshooting
35
EN
8. Troubleshooting
If you are unable to remedy faults with the aid of the table, or in the event of unexpected
operation or an incident, contact your authorized specialist dealer to have the device re-
paired. Do not continue operating the device to prevent greater damage.
Fault
Cause of
fault
Remedy
No running noise,
standby/operation indi-
cator not illuminated.
No power to
device.
Check power cord firmly connected. Possibly check
function of the socket by connecting another de-
vice (e.g. a lamp) to it.
Therapy device cannot
be switched on by a
breath being taken into
it.
Auto on/off
not active.
Activate Auto On/Off (5.3, Page 21).
Softstart cannot be
switched on
Sofstart
function
locked.
Clarify with your doctor whether Softstart can be
enabled for your therapy.
Therapy device does
not switch off about
5 seconds after mask
removed.
Auto On/Off
not activated.
Activate Auto On/Off (5.3, Page 21).
Therapy device run-
ning, but does not
reach therapy pressure.
Filters dirty.
Clean/change filters (6.4, Page 32).
Mask leaking. Adjust headgear and head strap so that the mask
seals. Replace defective mask.
Message
Err d
,
ERR n
,
Err E
,
Err c
in
display.
Electronics
problems.
Disconnect the therapy device from the electricity
supply and reconnect it. Try switching on the de-
vice. If the error is still being displayed, the therapy
device must be repaired by an authorized specialist
dealer.
Err b
Battery volt-
age is too
low.
Therapy can continue without restriction. Inform
your dealer.