DeVilbiss DV55 Bilevel Series - Page 25

25
A-DV56
EN
troublesHooting
Problem Probable Cause Remedy
The airow has
stopped
unexpected
during use.
1. The Auto-OFF feature has
detected large airow because
of loosely fitting mask.
2. During use your mouth opens
and you begin to mouth
breathe.
1. Ensure you have a good mask fit;
adjust the mask and headgear as
needed.
2. Contact your home care provider for
a chin strap or different mask which
will help prevent mouth breathing.
If problem is not resolved with above
remedies, disable Auto-OFF feature in
Advanced Menu options.
The display
shows a device
fault.
An error has occurred in the
device and requires servicing.
Contact your home care provider for
service.
Symptoms of
OSA have
recurred.
1. Air filter may be occluded.
2. Sleep apnea condition has
changed.
1. Clean or replace the air filter and
relocate device away from drapes
and other dusty surfaces.
2. Contact your physician.
Your skin
becomes
irritated where
the mask
touches your
face.
1. Headgear is too tight or
improperly adjusted.
2. Your mask may not be
properly sized or is not the
most appropriate shape for
you.
1. Loosen the headgear to reduce the
contact pressure on your face.
2. Contact your physician or home care
provider.
Dryness of
throat or nose.
Inadequate humidity. 1. Add a DeVilbiss DV5 Heated
Humidifier.
2. Increase the heater setting on the
humidifier.
Condensation of
water is
collecting in the
hose causing a
gurgling noise.
1. Your humidification setting is
too high.
2. The room temperature
uctuates from higher to
lower levels through the
night.
Reduce the humidifier heater setting
and/or increase the temperature of the
room.