Checking Outlet Hepa Filter; Checking Compressor Inlet Filter; Checking Power Loss Alarm - Invacare Solo2 TPO100B Service Manual

SECTION 5—TROUBLESHOOTING AND MAINTENANCE
7. After oxygen purity has been checked, change setting to pulse flow. Refer to the
Transportable Oxygen Concentrator Owner's Manual for this procedure.
8. After approximately sixty seconds of operation the "No Breath Found" warning
screen will display (DETAIL "C"), yellow LED will illuminate and flash repeatedly,
and a triple beep will sound in 10 second intervals.
9. Verify that the "No Breath Found" alarm is operating as defined by the Transportable
Oxygen Concentrator owner's manual.
10. Connect an oxygen cannula to the Transportable Oxygen Concentrator.
11. Breathe with the cannula to ensure the Transportable Oxygen Concentrator pulses at
each setting (DETAIL "C" will disappear). Change setting as required.
12. Turn unit off by pressing the "ON/OFF"
unplug the AC power cord. Leave battery installed.
13. Press the "ON/OFF"
illuminate displaying the main operational screen (DETAIL "A").
14. Turn unit on by pressing the "ON/OFF"
Verify unit starts and allow unit to run for 30 seconds.
15. Turn unit off to complete test.

Checking Outlet HEPA Filter

NOTE: Recommended to be replaced between patients.
1. Turn unit on by pressing the "ON/OFF"
2. Verify unit starts and set unit to 3.0 LPM, refer to Adjusting DC Power Limit on
page 15. Allow unit to run for a minimum of 6‐
3. Attach a flowmeter to patient outlet.
4. Measure flow for 2 minutes.
• If flow drops below 2.7 LPM replace outlet HEPA filter and repeat steps 1‐4.

Checking Compressor Inlet Filter

NOTE: Recommended to be replaced between patients.
1. Remove inlet filter. Refer to Replacing the Inlet Filter on page 11 for this procedure.
2. Inspect filter, if media is discolored replace inlet filter. Refer to Replacing the Inlet
Filter on page 11 for this procedure.

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"
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.
™
SOLO
2
button for approximately 2‐3 seconds and
button for approximately 1 second. The display should
button for approximately 2‐3 seconds.
button for approximately 2‐3 seconds.
button for approximately 2‐3 seconds.
18
1
/ minutes.
2
Part No 1164898