EN - 9
WARNING
To avoid electric shock, do not plug the concentrator into an AC outlet if the concentrator cabinet is broken . Do not remove the concentrator cabinet . The cabinet
should only be removed by a qualified Drive DeVilbiss technician. Do not apply liquid directly to the cabinet or utilize any petroleum-based solvents or cleaning
agents .
CAUTION
Use of harsh chemicals (including alcohol) is not recommended . If bactericidal cleaning is required, a non-alcohol based product should be used to avoid
inadvertent damage .
TROUBLESHOOTING
The following troubleshooting chart will help you analyze and correct minor oxygen concentrator malfunctions . If the suggested procedures do not help, switch to your reserve
oxygen system and call your Drive DeVilbiss homecare provider . Do not attempt any other maintenance .
WARNING
To avoid electric shock, do not plug the concentrator into an AC outlet if the concentrator cabinet is broken . Do not remove the concentrator cabinet . The cabinet
should only be removed by a qualified Drive DeVilbiss technician.
Minor Troubleshooting Chart
SYMPTOM
POSSIBLE CAUSE
REMEDY
A . Unit does not operate . All lights are off when the
power switch is “On .” Audible alert is pulsing .
1 . Power cord not properly inserted
into wall outlet .
1 . Check power cord connection at the wall outlet . On 230 volt units, also
check the mains connection on the back of the unit .
2 . No power at wall outlet .
2 . Check your home circuit breaker and reset if necessary . Use a different
wall outlet if the situation occurs again .
3 . Oxygen concentrator circuit
breaker activated .
3 . Press the concentrator circuit breaker reset button located below the
power switch . Use a different wall outlet if the situation occurs again .
If the above remedies do not work, contact your Drive DeVilbiss provider .
B . Unit operates . Red Service Required light is
illuminated . Audible alert may be sounding .
1. Air filter is blocked.
1. Check the air filter. If the filter is dirty, wash it following the cleaning
instructions on page 8 .
2 . Exhaust is blocked .
2 . Check the exhaust area and make sure there is nothing restricting the
unit exhaust .
3 . Blocked or defective cannula, face
mask, or oxygen tubing .
3. Detach cannula or face mask. If proper flow is restored, clean or replace
if necessary . Disconnect the oxygen tubing at the oxygen outlet . If proper
flow is restored, check oxygen tubing for obstructions or kinks. Replace
if necessary .
4. Blocked or defective humidifier
bottle .
4. Detach the humidifier from the oxygen outlet. If proper flow is obtained,
clean or replace humidifier.
5 . Flow meter set too low .
5. Set flow meter to prescribed flow rate.
If the above remedies do not work, contact your Drive DeVilbiss provider .
C . Unit operates . Audible low-frequency vibration
sound is detected .
1 . Electronic Assembly Malfunction .
1 . Turn your unit “Off .” Switch to your reserve oxygen system and contact
your Drive DeVilbiss provider immediately .
D . Yellow Low Oxygen light is on .
1 . Unit in “start up” mode .
1 . Allow unit up to 15 minutes to complete start up period .
E . The yellow Low Oxygen light is on and the
intermittent audible signal is sounding .
1 . Flow meter is not properly set .
1. Ensure the flow meter is properly set to the prescribed number. (The
maximum flow meter setting is 6 LPM when an oxygen bottle is being
filled with oxygen from the auxiliary port.)
2. Air filter is blocked.
2. Check the air filter. If the filter is dirty, wash it following the cleaning
instructions on page 8 .
3 . Exhaust is blocked .
3 . Check the exhaust area and make sure there is nothing restricting the
unit exhaust .
If the above remedies do not work, contact your Drive DeVilbiss provider .
F
Red Service Required light is on and an
intermittent audible signal is sounding .
1 . Flow meter is not properly set .
1. Ensure the flow meter is properly set to the prescribed number. (The
maximum flow meter setting is 6 LPM when an oxygen bottle is being
filled with oxygen from the auxiliary port.)
2. Air filter is blocked.
2. Check the air filter. If the filter is dirty, wash it following the cleaning
instructions on page 8.
3 . Exhaust is blocked .
3 . Check the exhaust area and make sure there is nothing restricting the
unit exhaust .
If the above remedies do not work, contact your Drive DeVilbiss provider .
4. Electronic Assembly Malfunction.
4. Contact your Drive DeVilbiss provider.
G . If any other problems occur with your oxygen
concentrator .
1 . Turn your unit “Off .” Switch to your reserve oxygen system and contact
your Drive DeVilbiss provider immediately .
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