DeVilbiss Healthcare Drvie 1025 Serie Guide D'instructions page 9

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 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 DeVilbiss technician.
Minor Troubleshooting Chart
SYMPTOM
A . Unit does not operate . All lights are off when the
power switch is "On ." Audible alert is pulsing .
B . Unit operates . Red Service Required light is
illuminated . Audible alert may be sounding .
C . Unit operates . Audible low-frequency vibration
sound is detected .
D . Yellow Low Oxygen light is on .
E . The yellow Low Oxygen light is on and the
intermittent audible signal is sounding .
F Red Service Required light is on and an
intermittent audible signal is sounding .
G . If any other problems occur with your oxygen
concentrator .
OVERVIEW OF ALARMS
This device contains an alarm system which monitors the state of the device and alerts of abnormal operation, loss of essential performance or failures . Alarm conditions are
shown on the LED display. The alarm system functions are tested at power up by lighting all visual alarm indicators and sounding the audible alarm (beep).
All alarms are Low Priority Technical Alarms .
LED
Alarm Condition Indicator
Start-up Period
Low Oxygen
Concentration at <82%
Malfunction
A-1025
POSSIBLE CAUSE
1 . Power cord not properly inserted
into wall outlet .
2 . No power at wall outlet .
3 . Oxygen concentrator circuit
breaker activated .
1 . Filter door vents are blocked .
2 . Exhaust is blocked .
3 . Blocked or defective cannula, face
mask, or oxygen tubing .
4. Blocked or defective humidifier
bottle .
5 . Flow meter set too low .
1 . Electronic Assembly Malfunction .
1 . Unit in "start up" mode .
1 . Flow meter is not properly set .
2 . Filter door vents are blocked .
3 . Exhaust is blocked .
1 . Flow meter is not properly set .
2 . Filter door vents are blocked .
3 . Exhaust is blocked .
4. Electronic Assembly Malfunction.
Visual Alarm Signal
Meaning
YELLOW
Low O LED ON
2
YELLOW
Low O LED ON
2
RED
Service Required LED ON
1-877-774-9271 | www.oxygenconcentratorstore.com
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 . Check your home circuit breaker and reset if necessary . Use a different
wall outlet if the situation occurs again .
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 DeVilbiss provider .
1. Check filter door vents and ensure that the openings are not blocked.
2 . Check the exhaust area and make sure there is nothing restricting the
unit exhaust .
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. Detach the humidifier from the oxygen outlet. If proper flow is obtained,
clean or replace humidifier.
5. Set flow meter to prescribed flow rate.
If the above remedies do not work, contact your DeVilbiss provider .
1 . Turn your unit "Off ." Switch to your reserve oxygen system and contact
your DeVilbiss provider immediately .
1 . Allow unit up to 15 minutes to complete start up period .
1. Ensure the flow meter is properly set to the prescribed number. (The
maximum flow meter setting is 3 LPM when an oxygen bottle is being
filled with oxygen from the auxiliary port.)
2. Check filter door vents and ensure that the openings are not 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 DeVilbiss provider .
1. Ensure the flow meter is properly set to the prescribed number. (The
maximum flow meter setting is 3 LPM when an oxygen bottle is being
filled with oxygen from the auxiliary port.)
2. Check filter door vents and ensure that the openings are not 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 DeVilbiss provider .
4. Turn your unit "Off." Switch to your reserve oxygen system and contact
your DeVilbiss provider immediately .
1 . Turn your unit "Off ." Switch to your reserve oxygen system and contact
your DeVilbiss provider immediately .
Audible Alarm Visual Alarm Signal
Signal Cleared by
After startup period,
No
Yes
Yes
REMEDY
Action to take
Wait for unit to finish startup
O ≥82% period, up to 15 minutes
2
Turn unit off See Troubleshooting table
Return unit to provider for
Turn unit off
service
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