Oxygen Sensor - Invacare IRC5PO2 Service Manual

SECTION 24—ALARM TEST
Location of In-Line
Connector
In-Line Connector
FIGURE 24.2 High Pressure Test

Oxygen Sensor

NOTE: For this procedure, refer to FIGURE 24.3 on page 83.
Alarm sequence occurs when concentration levels fall below a preset value, typically 73%
± 3% or 85% ± 2%. This failure indicates a catastrophic failure of any component
mechanical or electrical.
1. Turn unit on ( ). Set output flow at 5 L/min.
2. Monitor the O level.
2
3. With the O level greater than 85% after five minutes, the GREEN panel indicator light
2
will remain illuminated.
™ 82
Perfecto Part No 1148070
2