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Maintenance and Servicing
The device has no user-serviceable parts, and must only be serviced by an authorized
EN
provider.
4. ALARM AND TROUBLESHOOTING GUIDE
The guide below lists alarms and common problems, as well as why they happened and
what you can do to resolve them. If you are unable to resolve a problem or if you experi-
ence an issue that is not listed below, please contact your home care provider.
ALARMS
Malfunction code H:07 is
shown on the LCD display.
Malfunction code H:06 is
shown on the LCD display.
Malfunction code H:05 is
shown on the LCD display.
Malfunction code E:01 is
shown on the LCD display
Malfunction code E:02 is
shown on the LCD display.
Malfunction code E:03 is
shown on the LCD display.
Power failure alarm.
TROUBLESHOOTING GUIDE
The guide below lists common problems, as well as why they happened and what you can
do to resolve them. If you are unable to resolve a problem, or if you experience an issue
that is not listed below, please contact your home care provider.
PROBLEM
The device is not working
when it is turned on, but
the LCD display is show-
ing.
The device is not work-
ing when it is turned on
and the LCD display is not
showing or appears inter-
mittently.
ALARM
WHY IT HAPPENED
Device pressure is higher
than specifi cation.
Device pressure is lower
than specifi cation.
The device has
overheated.
Output fl ow is too low.
Thermistor failure.
OSD sensor circuit failure.
The device has detected
a power outage or electri-
cal supply failure.
WHY IT HAPPENED
Internal part failure.
The power cord is
damaged.
The power cord plug is
not properly inserted into
the electrical outlet.
The oxygen concentrator
is not receiving power
from the electrical outlet.
Internal part failure.
Contact your home care provider.
Contact your home care provider.
Contact your home care provider.
Contact your home care provider.
Contact your home care provider.
Contact your home care provider.
Connect to a backup oxygen
source and contact your home
care provider.
Contact your home care provider.
Check whether the power cord is
damaged.
Make sure the device is properly
plugged in to the electrical outlet.
Check your household outlet
fuse or circuit.
Contact your home care provider.
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WHAT TO DO
WHAT TO DO
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