Warnings and troubleshooting
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heyer_LUVAR_UserManual_EN-3_CRev-1
Warning Cause Remedy
Change filter The service life for the
current air filter has been
exceeded.
Replace air filter and reset filter
life.
SD card full No free memory on SD
card.
Replace SD card or delete data.
SD card access Read or write error when
accessing the SD card.
Re-insert SD card or replace if
necessary.
Service The defined blower ser-
vice life has been exceed-
ed.
Contact your specialist dealer
and have the device checked.
System error A bug in the operating
system.
Restart the device. If the error
occurs again, make a note of
the error code and contact your
specialist dealer to have the
device checked.
Troubleshooting
The following charts list common problems that may occur while using the device
along with possible solutions.
Device malfunctions
Malfunctions Possible cause Remedy
Device cannot be op-
erated after booting.
The SD card is being
read.
Wait a moment until the device
has read the SD card.
Therapy does not
start.
The device is faulty. Contact your specialist dealer.
Therapy cannot be
started by taking a
breath.
The “Automatic start”
comfort function is not
activated.
Activate the “Automatic start”
function.
Therapy is not termi-
nated after the mask
has been taken off.
The “Automatic stop”
comfort function is not
activated.
Activate the “Automatic stop”
function.
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