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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
ALARM WHY IT HAPPENED WHAT TO DO
Malfunction code H:07 is
shown on the LCD display.
Device pressure is higher
than specification.
Contact your home care provider.
Malfunction code H:06 is
shown on the LCD display.
Device pressure is lower
than specification.
Contact your home care provider.
Malfunction code H:05 is
shown on the LCD display.
The device has
overheated.
Contact your home care provider.
Malfunction code E:01 is
shown on the LCD display
Output flow is too low. Contact your home care provider.
Malfunction code E:02 is
shown on the LCD display.
Thermistor failure. Contact your home care provider.
Malfunction code E:03 is
shown on the LCD display.
OSD sensor circuit failure. Contact your home care provider.
Power failure alarm. The device has detected
a power outage or electri-
cal supply failure.
Connect to a backup oxygen
source and contact your home
care provider.
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 WHY IT HAPPENED WHAT TO DO
The device is not working
when it is turned on, but
the LCD display is show-
ing.
Internal part failure. Contact your home care provider.
The device is not work-
ing when it is turned on
and the LCD display is not
showing or appears inter-
mittently.
The power cord is
damaged.
Check whether the power cord is
damaged.
The power cord plug is
not properly inserted into
the electrical outlet.
Make sure the device is properly
plugged in to the electrical outlet.
The oxygen concentrator
is not receiving power
from the electrical outlet.
Check your household outlet
fuse or circuit.
Internal part failure. Contact your home care provider.
Oxygen is not flowing or
the oxygen flow is limited.
The oxygen tubing is kin-
ked or blocked, stopping
the delivery of oxygen.
Unkink the oxygen tubing or
replace tubing if necessary.
The humidifier bottle is
not properly connected to
the device.
Reinstall the humidifier bottle.
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