Instruction Manual

EN - 10
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 qualied DeVilbiss technician.
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 DeVilbiss provider
B Unit operates Red Service Required light is illuminated
Audible alert may be sounding
1 Filter door vents are blocked 1. Check lter door vents and ensure that the openings are not blocked.
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 ace mask. I proper fow is restored, clean or replace i
necessary. Disconnect the oxygen tubing at the oxygen outlet. I proper fow is
restored, check oxygen tubing for obstructions or kinks Replace if necessary
4. Blocked or deective humidier bottle. 4. Detach the humidier rom the oxygen outlet. I proper fow is obtained, clean or
replace humidier.
5 Flow meter set too low 5. Set fow meter to prescribed fow rate.
If the above remedies do not work, contact your 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
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 fow meter is properly set to the prescribed number. (The maximum
fow meter setting is 3 LPM when an oxygen bottle is being lled with oxygen rom
the auxiliary port.)
2 Filter door vents are blocked 2. Check lter door vents and ensure that the openings are not blocked.
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 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 fow meter is properly set to the prescribed number. (The maximum
fow meter setting is 3 LPM when an oxygen bottle is being lled with oxygen rom
the auxiliary port.)
2 Filter door vents are blocked 2. Check lter door vents and ensure that the openings are not blocked.
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 DeVilbiss provider
4 Electronic Assembly Malfunction 4 Turn your unit “OFF ” Switch to your reserve oxygen system and contact your
DeVilbiss provider immediately
G If any other problems occur with your oxygen
concentrator
1 Turn your unit “OFF ” Switch to your reserve oxygen system and contact your
DeVilbiss provider immediately
H Unit operates Any of the visual and audible alerts do not
function when the power switch is turned “ON ”
1 Electronic assembly malfunction 1 Turn your unit “OFF ” Switch to your reserve oxygen system and contact your
DeVilbiss provider immediately
OVERVIEW OF ALARMS AND SERVICE INDICATORS
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 unctions are tested at power up by lighting all visual alarm indicators and sounding the audible alarm (beep).
All alarms are Low Priority Technical Alarms
Alert or Alarm
Condition
LED Icon
Details of Alert or
Alarm Condition
Visual Alert or Alarm Audible Alarm Action
Start-up Period
The unit has recently been started
and is in start-up period, the output
fow o the oxygen is temporarily <
82%
The YELLOW LED light on the
panel is illuminated indicating low
O2 condition
No audible alarm during start-up
period
Wait or unit to nish start-up period, up
to 15 minutes
Low Oxygen Output
Concentration
The output fow o oxygen is
≤ 82%, which indicates the unit
may need routine servicing
The YELLOW LED Light on the
panel is illuminated, indicating a
Low O
2
condition
The audible alarm is beeping
intermittingly
Contact your Oxygen Equipment
Provider for assistance and to arrange
for servicing of the unit
Device Malfunction
The device is experiencing a
malfunction that requires servicing
to correct
The RED Service Required LED
light is illuminated
The audible alarm is beeping
intermittingly
Contact your Oxygen Equipment
Provider for assistance and to arrange
for servicing of the unit
A-5 25D S