DeVilbiss 525 Series Instruction Manual page 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 qualified DeVilbiss technician.
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
H Unit operates Any of the visual and audible alerts do not
function when the power switch is turned "ON "
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 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
Alert or Alarm
LED Icon
Condition
Start-up Period
Low Oxygen Output
Concentration
Device Malfunction
EN - 10
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
1 Electronic assembly malfunction
Details of Alert or
Alarm Condition
The unit has recently been started
and is in start-up period, the output panel is illuminated indicating low
flow of the oxygen is temporarily <
82%
The output flow of oxygen is
≤ 82%, which indicates the unit
may need routine servicing
The device is experiencing a
malfunction that requires servicing
to correct
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
1 Turn your unit "OFF " Switch to your reserve oxygen system and contact your
DeVilbiss provider immediately
Visual Alert or Alarm
The YELLOW LED light on the No audible alarm during start-up
O2 condition
The YELLOW LED Light on the The audible alarm is beeping
panel is illuminated, indicating a
Low O condition
2
The RED Service Required LED The audible alarm is beeping
light is illuminated
REMEDY
Audible Alarm
Wait for unit to finish start-up period, up
period
Contact your Oxygen Equipment
intermittingly Provider for assistance and to arrange
for servicing of the unit
Contact your Oxygen Equipment
intermittingly Provider for assistance and to arrange
for servicing of the unit
Action
to 15 minutes
SE-525KS-1