Invacare IRC5PO2 Manuale Utente

SECTION 24—ALARM TEST

4. Slowly adjust flow beyond maximum rated flow until you can achieve a concentration 

level greater than 75% but less than 84%. Within 30 minutes the YELLOW panel 
indicator light will illuminate and the unit will continue to run.

5. Clamp off the 1/8‐inch oxygen sensor tubing between the oxygen sensor and the 

product tank regulator.

 WARNING

Use care not to cut oxygen sensor tubing when clamping the oxygen sensor tubing. 

6. Within 30 minutes, the Oxygen Sensor Alarm should activate and the RED panel light 

indicator will illuminate. The compressor will shut down with the alarm.

FIGURE 24.3   Oxygen Sensor

SENSO

2

 ALARM THRESHOLD

LABEL 

SYMBOL

STATUS

INDICATOR LIGHTS

SYSTEM OKAY
O

2

 over 85% (± 2%)

GREEN Indicator Light

O

2

 Between 73% (± 3%) 

to 85% (±2%)

YELLOW Indicator light
A. YELLOW Solid
B. YELLOW Flashing Sensor Failure
Call a qualified technician.

SYSTEM FAILURE 
O

2

 Below 73% (±3%)

RED Indicator light
Continuous Audible Alarm Sieve-GARD™Compressor 
Shutdown
Call a qualified technician

1/8-inch I.D. Oxygen Sensor Tubing 

(Clamp Off Flow)

O

2