Warnings and troubleshooting
Page 51
heyer_LUVAR_UserManual_EN-3_CRev-1
Malfunctions Possible cause Remedy
Display is blank. The screen timeout
function is active.
Touch the display or operate
the rotary knob.
The power supply is not
connected properly.
Check the connections between
the power outlet and power
cable, power cable and power
supply unit, and power supply
unit and device.
You cannot find any
cause.
Contact your specialist dealer.
Device delivers mini-
mal air flow.
The device air inlet is
blocked.
Replace the air filter and clean
the air inlet. Make sure that the
air inlet is not clogged.
If the ramp function
is activated, it takes
some time for the initial
pressure to rise to the
therapy pressure. This is
normal.
If necessary, deactivate the
ramp function or set a shorter
ramp time.
Device delivers
incorrect therapy
pressure.
The therapy pressure
has been changed by
mistake.
Contact your physician.
Problems during therapy
Problem Possible cause Remedy
Dry, cold, runny or
stuffy nose
Irritation of nasal
mucosa due to cold,
dry therapy air.
Increase the heating level of the
humidifier.
Consult your physician and contin-
ue treatment unless the physician
suggests otherwise.
Dry mouth and
throat
The therapy air
escapes through the
open mouth.
Contact your physician.
Use a chin strap to prevent the
mouth from opening during sleep
or use a full-face mask.
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