EN - 14
SE-DV57-1
TROUBLESHOOTING
WARNING
Electric Shock Hazard - Do not remove the device cabinet. There are no user-serviceable internal components.
The cabinet should only be removed by a qualified DeVilbiss provider.
Issue
Possible Cause
Remedy
Nothing shows on
the display.
1. Device is not plugged in, or the power cord
is not fully inserted.
1a. Verify that the power cord is firmly connected
to the SleepCube and the power outlet.
1b. If you are using a DC power source, make
sure the cable connections are secure. Verify that
battery is charged.
2. Optional Humidifier-The flow generator is
not fully seated on humidifier cradle.
2. Refer to assembly instructions (Fig. 1-7).
3. There is no outlet power.
3. Locate a suitable functioning power source.
The SleepCube
does not start when
breathing into the
mask.
1. The Auto-ON feature has been disabled.
1. Use the ON/OFF button to start and stop
device.
2. There is no power to the device.
2. Verify that the power cord is firmly connected to
the device and the power outlet.
3. Breath is not deep enough for the Auto-ON
feature to detect.
3. Breathe deeply in and out to start the device.
4. You are using a full face mask that has an
anti-asphyxia valve.
4. Auto-ON may not work because your exhaled
breath escapes through the open valve. Use the
ON/OFF button to start and stop the device.
5. The air supply port plug is missing or not
fully inserted.
5. Make sure the air supply port plug is fully
inserted into the unit.
6. The humidifier chamber is not fully engaged
into the cradle or is missing.
6. Slide the humidifier chamber fully into the slot.
Verify the latching lever snaps into place.
The airflow has
stopped
unexpectedly
during use or
reports mask leak.
1. The Auto-OFF feature has detected large
airflow because of loosely fitting mask.
1. Ensure you have a good mask fit; and adjust
mask and headgear.
2. During use, your mouth opens and you
begin to mouth-breathe.
2. Contact equipment provider for a chin strap or
different mask to prevent mouth-breathing.
3. The optional humidifier chamber is not fully
engaged or is missing.
3. Slide the humidifier chamber fully into cradle.
Verify the release latch clicks into place.
4. The air supply port plug is missing from the
back of the CPAP or is not fully inserted.
4. Ensure the air supply port plug is fully inserted
into the back of the CPAP.
The display shows
a device fault.
An error has occurred in the device and
requires servicing.
Contact your equipment provider for service.
Apnea symptoms
have recurred.
1. Air filter may be dirty.
1. Clean or replace the air filter and relocate
device away from drapes or other dusty surfaces.
2. Apnea condition has changed.
2. Contact your physician or equipment provider.
Skin becomes
irritated where
mask contacts face.
1. Headgear is too tight or improperly
adjusted.
1. Loosen headgear to reduce contact pressure
on face.
2. Your mask may not be sized properly or is
not the most appropriate shape for you.
2. Contact physician or equipment provider.
Dryness of throat or
nose.
Inadequate humidity.
1a. Add a DeVilbiss DV5 heated humidifier.
1b. Increase the heater setting on the humidifier.
Water condensation
collecting in the
hose causing a
gurgling sound.
1. Humidification is too high.
1. Reduce humidifier heater setting.
2. Room temperature fluctuates from higher to
lower levels throughout the night.
2. Increase room temperature.
