Oxygen Concentrator
PN 14940837 B — 27
Symptom
Possible Cause
Corrective Action
Constant
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 sup-
plied to the outlet. Replace the electrical cord if necessary.
2 Blown Fuse
Replace fuse on circuit board.
Will Not Turn
On When Power
Switch is “ON”
(I)
1 No Power Being Supplied
Verify that the electrical cord is plugged into an outlet and that there is power being sup-
plied to the outlet. Also check the household circuit breaker.
2 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 fuse on 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 sup-
plied 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 fuse on 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.