CAIRE NewLife Elite, Technical Manual, Page: 20 / 49

MN240-1 Rev C
20
3. While the machine is still operating, disconnect from external power.
4. Verify that the power loss alarm LED illuminates on the front panel and audible
alarm activates. The audible alarm will beep approximately once every 20
seconds.
If the unit has not been used for an extended period of time, it needs to
operate for several minutes to recharge the power failure alarm.
2.3.3 General Malfunction Alarm Test
1. Disconnect the unit from external power.
2. Disconnect the compressor.
3. Connect unit to power and turn it on.
4. Verify that the general malfunction alarm LED illuminates on the front panel
and audible alarm activates after the warm-up period.
5. Turn off the unit and disconnect it from power.
6. Reconnect compressor.
7. Connect unit to power and turn it on.
8. Verify the alarm ceases once the compressor is re-connected.
2.3.4 Low O
2
Alarm Test
1. Prior to performing this test procedure, ensure the unit has been turned off for at
least 1 hour.
2. Disconnect the unit from external power.
3. Remove zip tie from inlet side of O
2
monitor assembly.
4. Disconnect inlet tubing from O
2
monitor assembly.
5. Connect unit to power and turn it on to the highest flow setting.
6. Verify that O
2
monitor LED illuminates and audible alarm activates after warm-
up period.
7. Turn off the unit and disconnect it from power.
8. Reconnect tubing and re-install zip tie on the O
2
monitor.
9. Connect unit to power and turn it on to the highest flow setting.
10. Verify the alarm ceases once the tube is re-attached.