Troubleshooting Alarms - Invacare Solo2 TPO100B Service Manual

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.
• O Sensor Fail Alarm: This alarm centers on failure of the O
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has no corrective action available to either the patient or the provider.
Accessing Alarm Codes
To access the Alarm codes, the unit first has to be in an alarm condition with the red LED
illuminated.
While in this condition:
1. Push the ON/OFF
• Six numbers will display at the bottom of the screen, refer to FIGURE 5.2 on
page 19. The first is the total number of errors occurring, the second number is the
error sequence (current error displayed beginning with "0"), and the last four
numbers are the error codes. Refer to Error Codes on page 20.
• If more than one error occurs use the Return/Highlight
each error. Once the unit is turned off, the alarm codes will reset. All the alarms
should be reset and the unit turned back on to see if the unit can self‐correct the
problem.
NOTE: If the alarm persists, please contact your nearest Invacare repair center.
Part No 1164898
SECTION 5—TROUBLESHOOTING AND MAINTENANCE
and Up/Increase
1 0
# of Errors Error
Sequence
FIGURE 5.2 Accessing Alarm Codes
19
flow setting buttons simultaneously.
button to cycle through
3330
Error Code
sensor. This alarm
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SOLO
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