SECTION 5—TROUBLESHOOTING AND MAINTENANCE
SOLO
2
™
18 Part No 1164898
7. Afteroxygenpurityhasbeenchecked,changesettingtopulseflow.Refertothe
TransportableOxygenConcentratorOwner’sManualforthisprocedure.
8. Afterapproximatelysixtysecondsofoperationthe“NoBreathFound”warning
screenwilldisplay(DETAIL“C”),yellowLEDwillilluminateandflashrepeatedly,
andatriplebeepwillsoundin10secondintervals.
9. Verifythatthe“NoBreathFound”alarmisoperatingasdefinedbytheTransportable
OxygenConcentratorowner’smanual.
10. ConnectanoxygencannulatotheTransportableOxygenConcentrator.
11. BreathewiththecannulatoensuretheTransportableOxygenConcentratorpulsesat
eachsetting(DETAIL“C”willdisappear).Changesettingasrequired.
12. Turnunitoffbypressingthe“ON/OFF”buttonforapproximately2‐3secondsand
unplugtheACpowercord.Leavebatteryinstalled.
13. Pressthe“ON/OFF”buttonforapproximately1second.Thedisplayshould
illuminatedisplayingthemainoperationalscreen(DETAIL“A”).
14. Turnunitonbypressingthe“ON/OFF”buttonforapproximately2‐3seconds.
Verifyunitstartsandallowunittorunfor30seconds.
15. Turnunitofftocompletetest.
Checking Outlet HEPA Filter
NOTE:Recommendedtobereplacedbetweenpatients.
1. Turnunitonbypressingthe“ON/OFF”buttonforapproximately2‐3seconds.
2. Verifyunitstartsandsetunitto3.0LPM,refertoAdjustingDCPowerLimiton
page 15.Allowunittorunforaminimumof6‐
1
/
2
minutes.
3. Attachaflowmetertopatientoutlet.
4. Measureflowfor2minutes.
•Ifflowdropsbelow2.7LPMreplaceoutletHEPAfilterandrepeatsteps1‐4.
Checking Compressor Inlet Filter
NOTE:Recommendedtobereplacedbetweenpatients.
1. Removeinletfilter.RefertoReplacingtheInletFilter
onpage 11forthisprocedure.
2. Inspectfilter,ifmediaisdiscoloredreplaceinletfilter.RefertoReplacingtheInlet
Filteronpage 11forthisprocedure.
Checking Power Loss Alarm
1. Connecttheexternalpowersupply(ACpoweradapter)tothetransportableoxygen
concentrator.
2. Turnunitonbypressingthe“ON/OFF”buttonforapproximately2‐3seconds.
Verifyunitstartsandallowunittorunfor30seconds.
3. Disconnecttheexternalpowersupplyandremovethebattery(ifinstalled).
4. Unitshouldbeepevery8secondsuntilpowerisrestored,orpowerhasbeenremoved
formorethan10minutes.