DeVilbiss 525DS-Q - Troubleshooting; Minor Troubleshooting Chart

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 qualied 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 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.
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 DeVilbiss provider.
B. Unit operates. Red Service Required light is
illuminated. Audible alert may be sounding.
1. Air lter is blocked. 1. Check the air lter. If the lter 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 ow is restored, clean or replace
if necessary. Disconnect the oxygen tubing at the oxygen outlet. If
proper ow is restored, check oxygen tubing for obstructions or kinks.
Replace if necessary.
4. Blocked or defective humidier
bottle.
4. Detach the humidier from the oxygen outlet. If proper ow is obtained,
clean or replace humidier.
5. Flow meter set too low. 5. Set ow meter to prescribed ow 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 ow meter is properly set to the prescribed number. (The
maximum ow meter setting is 3 LPM when an oxygen bottle is being
lled with oxygen from the auxiliary port.)
2. Air lter is blocked. 2. Check the air lter. If the lter 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 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 ow meter is properly set to the prescribed number. (The
maximum ow meter setting is 3 LPM when an oxygen bottle is being
lled with oxygen from the auxiliary port.)
2. Air lter is blocked. 2. Check the air lter. If the lter 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 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.
SE-525K4