AirSep MN165-1 B User Manual
Page 14

11
MN156-1 rev B
08/11
7.0 Troubleshooting
If your concentrator fails to operate properly, consult your Equipment Provider, and refer
to the troubleshooting chart on the following pages for probable causes and solutions.
Do not attempt any maintenance other than the possible solutions listed
below.
If the unit has not been used for an extended time period, it needs to
operate for several minutes before power failure alarm can become
activated.
Problem
Probable Cause
Solution
Unit does not operate. Power
failure condition causes an
alarm to sound.
The power cord is not
connected to the
electrical outlet.
No power at the
electrical outlet.
Circuit breaker on
concentrator unit is
activated.
Check power cord at
the electrical outlet for a
proper connection.
Check power source,
wall switch, in-house
fuse or circuit breaker.
Press (do not hold in)
the circuit breaker reset
button in the front of the
unit.
If the circuit breaker
trips again or the alarm
continues to sound after
the unit is turned on,
contact your Equipment
Provider.
Limited or no oxygen flow.
Dirty or obstructed
humidifier bottle, or leak
present.
Defective nasal cannula,
or other oxygen
accessories, i.e. oxygen
tubing.
Cannula tubing loose.
Other leak or restriction.
Remove the humidifier
bottle, and if flow is
restored, clean or
replace the humidifier
bottle.
Remove and check
accessories for kinks or
obstructions. Replace if
needed.
Check cannula tubing
connection at control
panel.
Contact your Equipment
Provider