[Read the Important Safety Rules section before operating this equipment.]
16
MN165-1 Rev G
5.0
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 within the manual
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.
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.
