
Cirrus 5 User Manual
16
The other fuse is located at the intake of internal power line. Follow above instructions to
replace.
Figure 15
12 Troubleshooting
If your concentrator fails to operate properly, please refer to the troubleshooting chart on the
following pages for probable causes and solutions. If problems with the equipment
continue, please contact your Equipment Provider.
NOTE: If the unit has not been used for an extended time period, it needs to operate for
several minutes before power failure alarm will become activated.
No.
Trouble
Causes
Solution
1
No operation after power
connected and the P.F. lamp is
lit with audible alarm.
1. No connection between circuit of
oxygen concentrator and power
2. Blown fuse.
3. No power supply.
1. Check all power
connections.
2. Replace the fuse.
2
No oxygen flow out of
flowmeter or low outtake flow.
1. Crimped or occluded tubing.
2. Filter clogged.
3. Humidifier leaking.
1. Check for crimped or
occluded tubing.
2. Check Air intake filter.
3. Ensure Humidifier
connections/lid are properly
connected.
3
No exhaust sound
1. Defective air controller.
2. Defective electrical control
board.
1. Turn off the oxygen
concentrator and consult your
Equipment Provider.
2. Turn off the oxygen
concentrator and consult your
Equipment Provider.