Oxygen Concentrator
25
Symptom
Possible Cause
Corrective Action
Intermittent
Audible Buzzer
With Red Light
(Alarm Code:
AL-P02)
1 Power Failure
Verify that the electrical cord is plugged into an outlet and that there is power being
supplied to the outlet. Replace the electrical cord if necessary.
2 Blown Fuse
Replace circuit board.
1 No Power Being Supplied
Verify that the electrical cord is plugged into an outlet and that there is power being
supplied to the outlet. Also check the household circuit breaker.
Will Not Turn
On
When
On W
hen
Power Switch is
"ON" (I)
Power Switch Malfunction
Verify that the power switch is plugged into to the main circuit board. Replace the
power switch if necessary.
3 Electrical Cord Malfunction
Verify that the electrical cord is plugged into to the main circuit board. Replace the
electrical cord if necessary
4 Blown Fuse
Replace circuit board.
LED Lights Will
Not Illuminate
1 No Power Being Supplied
Verify that the electrical cord is plugged into an outlet and that there is power being
supplied to the outlet.
2 Circuit Board Malfunction
Verify that all connections to the circuit board are intact. Replace the main circuit
board if necessary.
3 Blown Fuse
Replace circuit board.
Audible Alarm
Does Not Sound 1 Circuit Board Malfunction
Verify that all connections to the circuit board are intact. Replace the main circuit
board if necessary.
4 Defective Power Switch
Replace power switch.