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7 TROUBLESHOOTING AND MAINTENANCE
Part No 1176122
25
Invacare® Solo2™ Portable Oxygen Concentrator
7.4
Checking Power Loss Alarm
1.
Connect the external power supply (AC power adapter) to the transportable oxygen concentrator.
2.
Turn unit on by pressing the "ON/OFF" button for approximately 2-3 seconds. Verify unit starts and allow unit to run for 30 seconds.
3.
Disconnect the external power supply and remove the battery (if installed).
4.
Unit should beep every 8 seconds until power is restored, or power has been removed for more than 10 minutes.
7.5
Troubleshooting Alarms
The Transportable Oxygen Concentrator has numerous alarms that are being monitored on a continuous basis. Some of these alarms have multiple
sub-codes available to the service technician that can be used to help diagnose the problem.
The alarms that carry sub-codes are:
•
Compressor Alarm: This alarm group centers on the compressor operation. These are alarms for which there is no corrective action available
to either the patient or the provider.
•
System Alarm: This alarm group centers on internal software monitors. These are alarms for which there is no corrective action available to
either the patient or the provider.
•
Operating Alarm: This alarm group centers on internal pressures. These are alarms for which there is no corrective action available to either the
patient or the provider.
•
O2 Sensor Fail Alarm: This alarm centers on failure of the O2 sensor. This alarm has no corrective action available to either the patient or the
provider.