Invacare AVIVA FX Series User manual

Invacare®AVIVA™FXSeries
enPowerWheelchair
ServiceManual
PROVIDER:Keepthismanual.
TheproceduresinthismanualMUSTbeperformedbyaqualied
technician.

©2023InvacareCorporation
Allrightsreserved.Republication,duplicationormodicationinwholeorinpartisprohibitedwithoutpriorwritten
permissionfromInvacare.Trademarksareidentiedby™and®.AlltrademarksareownedbyorlicensedtoInvacare
Corporationoritssubsidiariesunlessotherwisenoted.

Contents
1General.........................................4
1.1Introduction..................................4
1.2GeneralInformation............................4
1.3SymbolsinthisManual..........................4
1.4ImagesinThisManual..........................5
2Safety..........................................6
2.1Safetyinformation..............................6
2.2SafetyandFittingInstructions.....................6
3Hygiene.........................................8
3.1HandlingofReturnedUsedProducts................8
4Setup...........................................9
4.1Generalinformationonsetup.....................9
4.2AdjustingSeatingPosition........................9
4.2.1AdjustingLowerLegLength....................9
4.2.2AdjustingSeatDepth.........................9
4.2.3AdjustingCentreofGravityofSeat...............10
4.3AdjustingSeatHeight...........................10
5Testing..........................................11
5.1TestingMotor.................................11
5.2TestingMotorBrake............................11
5.3Raintest.....................................11
5.4FieldLoadT est................................12
5.5CheckingBatteryChargeLevel.....................12
6Service..........................................14
6.1GeneralWarningInformationonInstallationWork......14
6.2TighteningTorques.............................14
6.3GlossaryofFrequentlyUsedMountingHardware.......14
6.4Troubleshooting...............................15
6.4.1OperationalFaults...........................15
6.4.2DriveFaultDiagnosis.........................15
6.4.3Chargingdevicefaultdiagnosis..................18
6.5ServicePlan(OnceaYear)........................18
6.6Shrouds.....................................21
6.6.1ReplacingRearShroud........................21
6.6.2ReplacingRearTopShroud.....................22
6.6.3ReplacingTopShroud.........................23
6.6.4ReplacingFrontShroud.......................23
6.6.5ReplacingSideShrouds.......................23
6.6.6ReplacingFender............................24
6.6.7ReplacingRimCapandInsert(DriveWheel)........24
6.6.8ReplacingRimCap(CastorWheel)...............25
6.7DriveComponents..............................25
6.7.1OverviewMotor/GearboxUnit..................25
6.7.2ReplacingMotor/GearboxUnit..................26
6.7.3ReplacingorRotatingMotor/GearboxUnitSealing
Ring.....................................28
6.7.4ReplacingMotor/GearboxClutch................28
6.7.5ReplacingEngagingLeverandCap...............29
6.7.6ReplacingRubberBumper.....................30
6.7.7ReplacingShockDamper......................30
6.7.8ReplacingSuspensionSpring....................32
6.7.9ReplacingCastorFork.........................33
6.8Wheels......................................33
6.8.1RepairInstructions...........................33
6.8.2TyrePressure...............................34
6.8.3TyreTypes.................................34
6.8.4SpecicTighteningTorques....................35
6.8.5OverviewofPowerWheelchairModelsandWheel
Types....................................35
6.8.6ReplacingDriveWheel(1–BoltInstallation).........37
6.8.7ReplacingCastorWheelsonSingle-SidedFork.......38
6.8.8ReplacingTyres.............................39
6.8.9ReplacingAnti-TipperUnit.....................42
6.8.10ReplacingAnti-TipperWheels..................42
6.9Electronics...................................43
6.9.1ReplacingPowerModule......................43
6.9.2ReplacingG-TracSensor.......................43
6.9.3ReplacingCableHarness.......................43
6.9.4UpdatingSoftware...........................44
6.10Batteries....................................44
6.10.1GeneralInstructionsonHandlingBatteries........44
6.10.2HandlingDamagedBatteriesCorrectly...........45
6.10.3ReplacingBatteries..........................45
6.10.4ReplacingBaseBatteryHarness................48
6.10.5ReplacingBatteryCables.....................49
6.10.6ReplacingCircuitBreaker.....................50
6.10.7CleaningBatteryTerminals....................51
6.10.8CheckingCables............................51
6.10.9ReplacingBatteryDoors......................51
6.11Lightingunit.................................53
6.11.1ReplacingHeadlight.........................53
6.11.2ReplacingRearLight.........................53
6.12Seating.....................................53
6.12.1ReplacingHeightAdjustmentBracket—Tiltand
Lifter-TiltModules..........................53
7MountingAdaptationKitforDahlDockingSystemsMKII
andVariodock..................................56

Invacare®AVIVA™FXSeries
1General
1.1Introduction
Thisdocumentcontainsimportantinformationaboutassembly,adjustmentandadvancedmaintenanceoftheproduct.
Toensuresafetywhenhandlingtheproduct,readthisdocumentandtheusermanualcarefullyandfollowthesafety
instructions.
FindtheusermanualonInvacare’swebsiteorcontactyourInvacarerepresentative.Seeaddressesattheendofthis
document.
Invacarereservestherighttoalterproductspecicationswithoutfurthernotice.
Beforereadingthisdocument,makesureyouhavethelatestversion.YoundthelatestversionasaPDFontheInvacare
website.
Forpre-saleanduserinformation,seetheusermanual.
Formoreinformationabouttheproduct,forexampleproductsafetynoticesandproductrecalls,contactyourInvacare
representative.Seeaddressesattheendofthisdocument.
1.2GeneralInformation
Serviceandmaintenanceworkmustbecarriedouttakingthisdocumentintoaccount.
Notethattheremaybesectionsinthisdocument,whicharenotrelevanttoyourproduct,sincethisdocumentapplies
toallavailablemodels(onthedateofprinting).Ifnototherwisestated,eachsectioninthisdocumentrefersto
allmodelsoftheproduct.
Themodelsandcongurationsavailableinyourcountrycanbefoundinthecountry-specicsalesdocuments.
Itisimperativethatyouobservesafetyinformation.
Informationaboutoperationoraboutgeneralmaintenanceandcareworkontheproductshouldbetakenfromservice
manual.
Assemblyofaccessories/optionsmightnotbedescribedinthisdocument.Refertothemanualdeliveredwiththe
accessory/option.AdditionalmanualscanbeorderedfromInvacare.Seeaddressesattheendofthisdocument.
Youcanndinformationaboutorderingsparepartsinthesparepartscatalogue.
SparepartsmustmatchoriginalInvacareparts.OnlyusesparepartswhichhavebeenapprovedbyInvacare.
Theproductmayonlybemaintainedandoverhauledbyqualiedpersonnel.
Theminimumrequirementforservicetechniciansissuitabletraining,suchasinthecycleororthopedicmechanicselds,or
sufcientlylong-termjobexperience.Experienceintheuseofelectricalmeasuringequipment(multimeters)isalsoa
requirement.SpecialInvacaretrainingisrecommended.
Alterationstothemobilitydevicewhichoccurasaresultofincorrectlyorimproperlyexecutedmaintenanceoroverhaul
workleadtotheexclusionofallliabilityonthesideofInvacare.
Ifyouhaveanyproblemsorquestionscontactyourprovider .
1.3SymbolsinthisManual
Symbolsandsignalwordsareusedinthismanualandapplytohazardsorunsafepracticeswhichcouldresultinpersonal
injuryorpropertydamage.Seetheinformationbelowfordenitionsofthesignalwords.
DANGER
Indicatesahazardoussituationthatwillresultinseriousinjuryordeathifitisnotavoided.
WARNING
Indicatesahazardoussituationthatcouldresultinseriousinjuryordeathifitisnotavoided.
CAUTION
Indicatesahazardoussituationthatcouldresultinminororslightinjuryifitisnotavoided.
NOTICE
Indicatesahazardoussituationthatcouldresultindamagetopropertyifitisnotavoided.
Givesusefultips,recommendationsandinformationforefcient,trouble-freeuse.
Identiesrequiredtools,componentsanditemswhichareneededtocarryoutcertainwork.
41675507-A

General
1.4ImagesinThisManual
Thedetailedimagesinthismanualaregivenmarkstoidentifyvariouscomponents.Componentmarksintextand
operationalinstructionsalwaysrelatetotheimagedirectlyabove.
1675507-A5

Invacare®AVIVA™FXSeries
2Safety
2.1Safetyinformation
WARNING!
Theproceduresinthisservicemanual,mustbeperformedbyaspecializedproviderorqualiedservice
technician.
–Donothandlethisproductoranyavailableoptionalequipmentwithoutrstcompletelyreadingand
understandingtheseinstructionsandanyadditionalinstructionalmaterialsuchasusermanuals,installation
manualsorinstructionsheetssuppliedwiththisproductoroptionalequipment.
•TheCEmarkingisinvalidatedifcomponentsoraccessories/optionsarereplacedoraddedthathavenotbeen
approvedforthisproductbyInvacare.
•Inthiscase,thecompanythataddsorreplacesthecomponentsoraccessories/optionsisresponsibleforthe
conformityassessment/CEmarkingorforregisteringthemobilitydeviceasaspecialdesignandforthe
relevantdocumentation.
Theinformationcontainedinthisdocumentissubjecttochangewithoutnotice.
2.2SafetyandFittingInstructions
Thesesafetyinstructionsareintendedtopreventaccidentsatwork,anditisimperativethattheyareobserved.
Beforeanyinspectionorrepairwork
•Readandobservethisrepairmanualandtheassociatedusermanual.
•Observetheminimumrequirementsforcarryingoutthework(see1.2GeneralInformation,page4).
PersonalSafetyEquipment
Safetyshoes
Themobilitydevice,andsomeofitscomponents,areveryheavy.Thesepartscanresultininjuriestothefeetifthey
areallowedtodrop.
•Wearstandardizedsafetyshoesduringallwork.
Eyeprotection
Itispossiblethatbatteryacidcanbedischargedwhenworkingondefectivebatteriesorwhenhandlingbatteriesimproperly.
•Alwaysweareyeprotectionwhenworkingonanydefectiveorpossiblydefectivebatteries.
Safetygloves
Itispossiblethatbatteryacidcanbedischargedwhenworkingondefectivebatteriesorwhenhandlingbatteriesimproperly.
•Alwayswearacid-proofsafetygloveswhenworkingonanydefectiveorpossiblydefectivebatteries.
GeneralSafetyInformationandInformationAboutFitting/Removal
DANGER!
RiskofDeath,SeriousInjury,orDamage
Lightedcigarettesdroppedontoanupholsteredseatingsystemcancauseareresultingindeath,seriousinjury,
ordamage.Mobilitydeviceoccupantsareatparticularriskofdeathorseriousinjuryfromtheseresand
resultingfumesbecausetheymaynothavetheabilitytomoveawayfromthemobilitydevice.
–DONOTsmokewhileusingthismobilitydevice.
WARNING!
RiskofSeriousInjuryorDamage
Storingorusingthemobilitydevicenearopenameorcombustibleproductscanresultinseriousinjury
ordamage.
–Avoidstoringorusingthemobilitydevicenearopenameorcombustibleproducts.
CAUTION!
Riskofcrushing
Variouscomponentssuchasthedriveunit,batteries,seatetcareveryheavy.Thisresultsininjuryhazardsto
yourhands.
–Notethehighweightofsomecomponents.Thisappliesespeciallytotheremovalofdriveunits,batteries
andtheseat.
61675507-A

Safety
CAUTION!
Injuryhazardifthemobilitydevicestartsmovingunintentionallyduringrepairwork
–Switchthepowersupplyoff(ON/OFFkey).
–Engagethedrive.
–Beforeliftingup,securethemobilitydevicebyusingchockstoblockthewheels.
CAUTION!
Fireandburnhazardduetoelectricalshort-circuit
–Themobilitydevicemustbecompletelyswitchedoffbeforeremovalofvoltage-carryingcomponents!To
dothis,removethebatteries.
–Avoidshort-circuitingthecontactswhencarryingoutmeasurementsonvoltage-carryingcomponents.
CAUTION!
Riskofburnsfromhotsurfacesonthemotor
–Allowthemotorstocooldownbeforecommencingworkonthem.
CAUTION!
Injuryhazardandriskofdamagetomobilitydeviceduetoimproperorincompletemaintenancework
–Useonlyundamagedtoolsingoodcondition.
–SomemovingpartsaremountedinsocketswithPTFEcoating(Teon™).Nevergreasethesesockets!
–Neveruse"normal"nutsinsteadofself-lockingnuts.
–Alwaysusecorrectly-dimensionedwashersandspacers.
–Whenreassembling,alwaysreplaceanycabletieswhichwerecutduringdismantling.
–Aftercompletingyourwork/beforerenewedstart-upofthemobilitydevice,checkallconnectionsfor
tighttting.
–Aftercompletingyourwork/beforerenewedstart-upofthemobilitydevice,checkallpartsforcorrectlocking.
–Onlyoperatethemobilitydevicewiththeapprovedtyrepressures(seetechnicaldata).
–Checkallelectricalcomponentsforcorrectfunction.Notethatincorrectpolaritycanresultindamage
tothecontrolsystem.
–Alwayscarryoutatrialrunattheendofyourwork.
CAUTION!
Riskofinjuryanddamagetoproperty,ifthemaximumspeedreductiononawheelchairwithalifterdoes
notfunctioncorrectly
Thewheelchair’scontrolunitmustreducethemaximumpossiblespeedassoonasthelifterisraised.
–Testthemaximumspeedreductionforcorrectfunctionafteranymaintenanceworkormodicationstothe
wheelchair.
CAUTION!
Anychangestothedriveprogramcanaffectthedrivingcharacteristicsandthetippingstabilityofthe
mobilitydevice
–ChangestothedriveprogrammayonlybecarriedoutbytrainedInvacareproviders.
–Invacaresuppliesallmobilitydeviceswithastandarddriveprogramex-works.Invacarecanonlygivea
warrantyforsafemobilitydevicedrivingbehavior-especiallytippingstability-forthisstandarddriveprogram.
CAUTION!
RiskofInjury
Adaptionstothemobilitydevicecaninuencetheperformance.
–Whenadaptionswiththirdpartyproductsaremade,thisisonlyallowedwithinthescopeofavalid
combinationagreement.
–Themaximumvaluesandrestrictionsofbothproductsshallbeobserved.
–Machining,bending,welding,orbracingonanysafetyrelevantcomponentsisnotallowed.
Markallcurrentsettingsforthemobilitydevice(seat,armrests,backrestetc.),andtheassociatedcableconnecting
plugs,beforedismantling.Thismakesreassemblyeasier .Allplugsarettedwithmechanicallockswhichprevent
releaseoftheconnectingplugsduringoperation.Toreleasetheconnectingplugsthesafetylocksmustbepressed
in.Whenreassemblingensurethatthesesafetylocksarecorrectlyengaged.
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Invacare®AVIVA™FXSeries
3Hygiene
3.1HandlingofReturnedUsedProducts
Whenreconditioningorrepairingreturnedmobilitydevices:
•Takeprecautionsforyourselfandtheproduct.
•Useprotectionequipmentasspeciedlocally.
BeforeTransport(AccordingtoBiologicalAgentsOrdinance)
Treatproductaccordingtofollowingprocesssteps:
ProcessStepComponentApplicationConditioning
technique
WorkStation
ManualcleaningSurfaceofuseddeviceBeforerepairor
reconditioning
Usesaturatedtowel
toapplycleaning
detergentandremove
residuesafterimpact.
Cleaningand
disinfection
DisinfectionSurfaceofuseddeviceBeforerepairor
reconditioning
Usesaturated
disinfectantwipes
andclean*thedevice
surface.
Cleaningand
disinfection
*Invacareusesdetergent"Nücoseptspecial"1.5%inwaterml/ml
DisinfectionTools
•Disposablewipes(eece)
•Brushestocleanareasdifculttoaccess
FurtherInformation
FormoreinformationcontactyourInvacareservicedepartment.
81675507-A

Setup
4Setup
4.1Generalinformationonsetup
Thetasksdescribedinthischapterareintendedtobeperformedbytrainedandauthorizedservicetechniciansforinitial
setup.Theyarenotintendedtobeperformedbytheuser.
4.2AdjustingSeatingPosition
Adjustingtheseatingpositioninordertoadaptthemobilitydeviceoptimallytotherequirementsoftheuser,we
recommendthatyouaskyourauthorisedInvacareprovidertoadjustseatdepthindividually.Adaptingtheseattothe
user'sseatingpositiondependsontheseatthathasbeentted,andshouldbecarriedoutinthefollowingsequence.
1.Adjustingthelowerleglengthandseatdepth.See4.2.1AdjustingLowerLegLength,page9and4.2.2Adjusting
SeatDepth,page9.
2.Adjustingthecenterofgravityoftheseatframe.See4.2.3AdjustingCentreofGravityofSeat,page10.
3.Checkingthattheswivelcastorscanmovefreely.
4.Repetitionofsteps2to4,ifnecessary.
WARNING!
Riskofinjuryaftertiltingofmobilitydevicecausedbyblockedsteeringwheels
–Alwayschecktheseatdepthsettingsforbothforwardandreversemovement.Makesurethatsteeringwheels
canrotatefreelyandhavenotcontacttoanyxedmobilitydevicecomponent.
WARNING!
Anychangestothedriveprogramcanaffectthedrivingcharacteristicsandthetippingstabilityofthe
mobilitydevice
–ChangestothedriveprogrammayonlybecarriedoutbytrainedInvacareproviders.
–Invacaresuppliesallmobilitydeviceswithastandarddriveprogramex-works.Invacarecanonlygivea
warrantyforsafevehicledrivingbehavior-especiallythetippingstability-forthisstandarddriveprogram.
WARNING!
Riskofcrushing
Theseatisveryheavy.Riskofinjurytohandsandfeet.
–Payattentiontothehandandfeet.
–Useproperliftingtechniques.
CAUTION!
Riskoftippingover
Anychangeintheseatingpositioncannegativelyinuencethestabilityofthemobilitydevice.
–Alwaysmakesurethatthemobilitydeviceisstableandwillnottipover,afteradjustingseatingposition.
4.2.1AdjustingLowerLegLength
Invacareoffersarangeoflegrestswhichcanbeadjustedindividually.Seeusermanual.
4.2.2AdjustingSeatDepth
A:Seatdepth
B:Centreofgravityoftheseat/seatposition
ModuliteSeat
TheseatdepthAcanbeadjustedbymovingthepositionofthebackrestinrelationtotheseatsurface.Seeuser
manualofModulite.
1675507-A9

Invacare®AVIVA™FXSeries
UltraLowMaxxSeat
TheseatdepthAcanbeadjustedbymovingthepositionofsiderailswithfrontseatplatesinrelationtothebackrest.See
usermanualofUltraLowMaxx.
4.2.3AdjustingCentreofGravityofSeat
Thecentreofgravityofseat(CoG)canbeadjustedbymountingseatframefarthertowardsfrontortherearofseat.
CAUTION!
Theseatingsystemofthemobilitydeviceisdeliveredexworkswithastandardadjustmentofcentreof
gravity(CoG),whichmeets80%–90%ofuserrequirements.CoGcanbeadjustedindividually.However,any
changeinthisadjustmentsettingcannegativelyinuencethestabilityofthemobilitydevice.
–Youmustperformanindividualriskanalysiseverytimeyouchangethecentreofgravityoftheseating
position,inordertoensurethesafetyandstabilityofthemobilitydevice.
A:Seatdepth
B:centreofgravityoftheseat/seatposition
Theuserweightandseatdepthhavestronginuencesonthechoiceofthecentreofgravity(CoG).Iftheuseris
heavyandtheseatdepthisgreater,thefocusshouldbethefartherback.Forbestpossibledrivingcharacteristicsof
rear-wheeldrivemobilitydevices,theweightshouldbedistributed:30%–40%frontand60%-70%rear.For
centerwheeldrivestheweightshouldbedistributed25%front,50%centerand25%rear .
CAUTION!
Riskofdamageduetocollisionsofthelegrestswithotherpartsofthemobilitydevice
–Setthelegreststothesmallestanglebeforeadjustingtheseatcentreofgravity.
–Payattentionwithadjustingseatcentreofgravitythatlegrestsdonottouchanyotherpartsofmobility
device.Thisensuresthatthelegrestscannotcollidewithotherpartsofmobilitydevice.
4.3AdjustingSeatHeight
Howyouadjusttheseatheightdependsontheseatingsystemandthetiltmechanism,see6.12.1ReplacingHeight
AdjustmentBracket—TiltandLifter-TiltModules,page53.
101675507-A

Testing
5Testing
5.1TestingMotor
•Phillipsscrewdriver,size2
•Digitalmultimeterwithresistancemeasurement
1.Removeshroudthatcoverspowermodule.See6.6
Shrouds,page21.
2.UnplugcableofmotorAfrompowermodule.
3.ConnectmultimeterBtomotorplugcontactsCandD
andmeasureresistancebetweencontacts.
Aresistanceofbetween0.5ohmsand5ohms
indicatesamotorreadyforoperation.A
resistanceofbetween15ohmsandinnity
indicatesadefectivemotor.Highresistancesare
normallycausedbybadconnectionsorworn
carbonbrushes.
Fig.5-1DuraWattmotorservesasanexample.
5.2TestingMotorBrake
Thistestshouldonlybecarriedoutonmobilitydevicewithconventionalmotor-gearboxunits.
CAUTION!
Riskofdamagetopowermoduleduetoshortsinmotorbrake
–NEVERconnectashortedmotorbraketoanintactpowermodule.
–Alwaysreplaceshortedbrakesimmediately.
Adefectivemotorcandamagethepowermodule,butadefectivepowermodulecannotdamagethemotor.
•Phillipsscrewdriver,size2
•Digitalmultimeterwithresistancemeasurement
1.Removeshroudthatcoverspowermodule.See6.6
Shrouds,page21.
2.UnplugcableofmotorAfrompowermodule.
3.ConnectmultimeterBtomotorplugcontactsEandF
andmeasureresistancebetweencontacts.
Aresistanceofbetween40ohmsand80ohms
indicatesanintactbrake.Aresistanceof0ohms
oraveryhighresistance(mega-ohmsorinnity)
indicatesashort-circuit,abadconnectionora
defectivebrake.
4.Ifthereisadefect,replacemotorandsenditto
InvacareServiceforinspectionorrepair .
Fig.5-2DuraWattmotorservesasanexample.
5.3Raintest
•Checktoensurethattheblackbatteryterminalcapsaresecuredinplace,gaiterisnottornorcrackedwherewater
canenterandthatallelectricalconnectionsaresecureatalltimes.
•Donotusethemobilitydeviceifthegaiteristornorcracked.Ifthegaiterbecomestornorcracked,replace
immediately.
1675507-A11

Invacare®AVIVA™FXSeries
5.4FieldLoadTest
Oldbatteriesloosetheirabilitytostoreandreleasepowerduetoincreasedinternalresistance.Inthisprocedure,batteries
aretestedunderloadusingadigitalvoltmetertocheckbatterychargelevelatthechargerconnector.Thechargerconnector
islocatedontheremote.Whenvoltageattheoutputdrops1.0voltsunderload(2.0voltsforapair),replacethebatteries.
Readtheseinstructionscarefullyandthemanufacturer’sinstructionsonthedigitalvoltmeterbeforeproceeding.
•Voltmeter
WARNING!
–Whenperformingthefollowingsteps,ensureyourfeetareclearfromcastersandwall,otherwiseinjury
mayresult.
1.SwitchelectronicsOFFonremote.
2.Makesurebatteryisfullycharged.Anextremely
dischargedbatterywillexhibitthesamesymptomsasa
badbattery.
3.Removefootboard/legrestsfrommobilitydevice.
4.ConnectvoltmeterleadstochargerconnectorAon
mobilitydevice.MostdigitalvoltmetersBarenot
affectedbypolarity.However,analogmeters(meters
withswingingneedles)canbeandshouldbeused
carefully.
Agoodmeterreadingshouldbe25.5VDCto
26.0VDCwiththechairinneutral.
5.SwitchelectronicsONonremote.
6.Ensuethatyourfeetareclearfromcastersandwall.
7.Runmobilitydeviceinneutralforatleast2minutes.
8.Sitinmobilitydeviceandplaceyourfeetagainstadoor
jam,workbenchorotherstationaryobject.
9.Carefullygiveforwardcommand,tryingtodrivethe
mobilitydevicethroughthestationaryobject.Theload
shoulddrawbetween30ampsto40ampsfromthe
batteriesfor0.3seconds.
Performingthisstepputsaheavyloadon
thebatteriesastheytrytopushthroughthe
stationaryobject.Ifthewheelsspin,havetwo
individuals(oneoneacharm)applyasmuch
downwardpressureaspossibleonthearmsof
themobilitydevice.
10.Readmeterwhilemotorsarestrainingtodetermine
voltageunderload.
Ifthevoltagedropsmorethan2.0voltsfrom
apairoffullychargedbatteriesduringthe0.3
seconds,theyshouldbereplacedregardlessof
theunloadedvoltages.
Fig.5-3
5.5CheckingBatteryChargeLevel
Thefollowing“Dos”and“Don’ts”areprovidedforyourconvenienceandsafety.
DON’TDO
Don’tperformanyinstallationormaintenancewithoutrst
readingthismanual.
Readandunderstandthismanualandanyservice
informationthataccompaniesabatteryandchargerbefore
operatingthepersonaltransporter .
Don’tperforminstallationormaintenanceofbatteriesin
anareathatcouldbedamagedbybatteryspills.
Movethepersonaltransportertoaworkareabefore
cleaningterminals,oropeningbatterybox.
Don’tmakeitahabittodischargebatteriestothelowest
level.
Rechargeasfrequentlyaspossibletomaintainahigh
chargelevelandextendbatterylife.
121675507-A

Testing
DON’TDO
Don’tusechargersorbatteriesthatarenotappropriate
forthechair.
Followrecommendationsinthismanualwhenselecting
abatteryorcharger .
Don’tputnewbatteriesintoservicebeforecharging.Fullychargeanewbatterybeforeusing.
Don’ttiportiltbatteries.Useacarryingstraptoremove,moveorinstallabattery.
Don’ttaponclampsandterminalswithtools.Pushbatteryclampsontheterminals.Spreadclampswider
ifnecessary.
1675507-A13

Invacare®AVIVA™FXSeries
6Service
6.1GeneralWarningInformationonInstallationWork
CAUTION!
Riskofinjuryanddamagetoproperty,ifthemaximumspeedreductiononamobilitydevicewithalifterdoes
notfunctioncorrectly
Themobilitydevice’selectronicsmustreducethemaximumpossiblespeedassoonasthelifterisraised
above100mm.
–Testthemaximumspeedreductionforcorrectfunctionafteranymaintenanceworkormodications
tothemobilitydevice.
6.2TighteningTorques
CAUTION!
Riskofdamagetomobilitydeviceduetoimproperlytightenedscrews,nutsorplasticconnections.
–Alwaystightenscrews,nutsetc.tothestatedtighteningtorque.
–Onlytightenscrewsornutswhicharenotlistedherengertight.
Thetighteningtorquesstatedinthefollowinglistarebasedonthethreaddiameterforthenutsandboltsforwhichno
specicvalueshavebeendetermined.Allvaluesassumedryandde-greasedthreads.
ThreadTighteningTorqueinNm±10%
M43Nm
M56Nm
M610Nm
M825Nm
M1049Nm
M1280Nm
M14120Nm
M16180Nm
6.3GlossaryofFrequentlyUsedMountingHardware
Somemountinghardwaremaybedifculttoidentifyinthedrawingswithinthisdocument.Foreasieridentcation,seethe
followingtableforcommonmountinghardwaredeliveredwithourmobilitydevicesandspareparts.
WedgelockwasherSLretainerclip
T-nutFeatherkey
ShaftretainingringSetscrew
Cone-shapedpin
141675507-A

Service
6.4Troubleshooting
6.4.1OperationalFaults
Proceedasfollowsifyouhaveanyproblems:
1.Firstassessthepossiblecauseoftheproblemusingthefollowingtable.
2.Checktheremotestatusdisplay.Evaluatetheasherrorcode.
3.Carryoutthenecessarychecksandrepairsasrecommendedinthefollowingtable.
Thevariouspowermodulescanbettedinconnectionwithdifferentremotesinthemobilitydevice.Recticationof
operationalfaultsdependsonthepowermoduletted.Thepowermodulesusedaredescribedinthecorresponding
controlsmanual.
Thetablesforrecticationofoperationalfaultslistedinthefollowingchaptersareonlyanexcerptfromtheoriginal
manufacturer'smanuals.YoucanobtaintheoriginalmanualsfromInvacare.
6.4.2DriveFaultDiagnosis
ProblemOthersymptomsPossiblecauseSolutionDocumentation
Theremotestatus
displayilluminates
normallyandshows
anerrorcode.
Drivemotors
disengaged
Engagedrivemotors.Seeusermanual.
BatteriesdefectiveReplacebatteries.See6.10Batteries,
page44.
Completelydischarged
battery
Pre-chargebatteries.Seeusermanual.
Checkstatusofcircuit
breaker .
Seeusermanual. Powersupplyto
remoteinterrupted
Checkcablesbetween
modulesforloose
connectionsor
damage.
See6.10.8Checking
Cables,page51.
Remotestatusdisplay
doesnotilluminate
RemotedefectiveReplaceremote.See6.9.1Replacing
PowerModule,page
43.
Mobilitydevicewill
notstart
Remotestatusdisplay
ashing
VariouscausesAssesserrorcode.Seeremotemanual.
Batteriesdefective
(unstablevoltage)
Replacebatteries.See6.10Batteries,
page44.
Mobilitydevice
juddersindrivemode
None
Drivemotor(s)
defective
Replacemotor(s).See6.7.2Replacing
Motor/GearboxUnit,
page26.
NoneDrivemotorsrunning
asymmetrically
Changeprogramming
tosynchronisemotors.
SeeLiNXservice
manual.
Mobilitydevicepulls
toleftorright
TyrevisiblydentedNotenoughtyre
pressure
Checktyrepressure,
replaceinnertube
and/orvalveif
necessary.
BadconnectionsCheckallconnecting
cables.
See6.10.8Checking
Cables,page51.
Errormessagedoes
notdisappear
None
MotorbrakedefectiveMeasureinternal
resistanceofbrakes,
replacemotorif
defective.
See5.2TestingMotor
Brake,page11
and6.7.2Replacing
Motor/GearboxUnit,
page26.
1675507-A15

Invacare®AVIVA™FXSeries
ProblemOthersymptomsPossiblecauseSolutionDocumentation
Motorsstopandstart
again
NoneVoltagedeclineStopdrivingandallow
electronicstocool
down.
Motorrunsbutloses
power
NoneHighmotorload
allowspowermodule
tolowervoltage
Stopdrivingandallow
electronicstocool
down.
NoneHighmotorload
allowspowermodule
tolowervoltage
Leavemobilitydevice
switchedonand
letpowermodule
operate.Charge
batteriesovernight
withelectronics
turnedon.
NoneCircuitbreaker
switchedoff
Checkcablingand
switchoncircuit
breaker .
See6.10.8Checking
Cables,page51and
usermanual.
NoneMotordefectiveMeasureinternal
resistanceofmotor,
replacemotorif
defective.
See5.1Testing
Motor,page11
and6.7.2Replacing
Motor/GearboxUnit,
page26.
Motorsstopanddo
notstartagain
NonePowermodule
defective
Replacepower
module
See6.9.1Replacing
PowerModule,page
43.
Motorslosepower
whiledriving
NoneBadconnectionsTurnoffelectronics,
wait10seconds,turn
onelectronics.Check
allcabling.
See6.10.8Checking
Cables,page51.
Clutch(es)defectiveReplaceclutch.See6.7.2Replacing
Motor/GearboxUnit,
page26.
BearingdefectiveReplacemotor .See6.7.2Replacing
Motor/GearboxUnit,
page26.
Motorjuddersorruns
irregularly,oronly
onemotorruns
None
CollectordefectiveMeasureinternal
resistanceofmotor,
replacemotorif
defective.
See5.1Testing
Motor,page11
and6.7.2Replacing
Motor/GearboxUnit,
page26.
BadconnectionsCheckallcabling.See6.10.8Checking
Cables,page51.
Circuitbreaker
switchedoff
Checkcablingand
switchoncircuit
breaker .
See6.10.8Checking
Cables,page51and
usermanual.
BatteriesdefectiveReplacebatteries.See6.10Batteries,
page44.
Cablingtopower
moduleorremote
defective
Checkcabling.See6.10.8Checking
Cables,page51.
None
Powermodule
defective
Replacepower
module.
See6.9.1Replacing
PowerModule,page
43.
Motorsdonotrun
CorrodedcontactsContactsdefectiveCheckcabling,replace
ifnecessary.
See6.10.8Checking
Cables,page51.
161675507-A

Service
ProblemOthersymptomsPossiblecauseSolutionDocumentation
Clutch(es)defectiveReplaceclutch.See6.7.2Replacing
Motor/GearboxUnit,
page26.
BearingdefectiveReplacemotor .See6.7.2Replacing
Motor/GearboxUnit,
page26.
Motormakesclicking
noise
None
CollectordefectiveMeasureinternal
resistanceofmotor,
replacemotorif
defective.
See5.1Testing
Motor,page11
and6.7.2Replacing
Motor/GearboxUnit,
page26.
Clutch(es)defectiveReplaceclutch.See6.7.4Replacing
Motor/GearboxClutch,
page28.
BearingdefectiveReplacemotor .See6.7.2Replacing
Motor/Gearbox
Unit,page26and
6.7.4Replacing
Motor/GearboxClutch,
page28.
Scrapingnoiseor
motorblocked
None
GearboxdefectiveReplacegearbox.See6.7.2Replacing
Motor/Gearbox
Unit,page26and
6.7.4Replacing
Motor/GearboxClutch,
page28.
GearboxdefectiveReplacegearbox.See6.7.2Replacing
Motor/Gearbox
Unit,page26and
6.7.4Replacing
Motor/GearboxClutch,
page28.
Gearboxmakes
clickingnoise
None
DrivewheellooseTightendrivewheel,
secureboltswith
threadlocking
adhesiveifnecessary.
See6.7.2Replacing
Motor/GearboxUnit,
page26.
GearboxlosesoilNoneSealingringondrive
shaftdefective
Replacegearboxif
sealingringdefective.
See6.7.2Replacing
Motor/Gearbox
Unit,page26and
6.7.4Replacing
Motor/GearboxClutch,
page28.
IrregularrunningNoneDriveshaftmovable
orbent
Checkdriveshaft,
replacegearbox,if
defective.
See6.7.2Replacing
Motor/Gearbox
Unit,page26and
6.7.4Replacing
Motor/GearboxClutch,
page28.
Circuitbreaker
defective
Checkcircuitbreaker.See6.10.6Replacing
CircuitBreaker,page
50.
CabledefectiveCheckcabling.See6.10.8Checking
Cables,page51.
None
BatteriesdefectiveReplacebatteries.See6.10Batteries,
page44.
Batteriesnotbeing
charged
LEDsashingon
charger
ChargerdefectiveReplacecharger.Seechargeruser
manual.
1675507-A17

Invacare®AVIVA™FXSeries
ProblemOthersymptomsPossiblecauseSolutionDocumentation
ShortchargingperiodNoneOneofthebatteries
couldbedefective
Replacebatteries.See6.10Batteries,
page44.
RemotedefectiveReplaceremote.See6.9.1Replacing
PowerModule,page
43.
Mobilitydeviceruns
tooslowly
None
BatteriesdefectiveReplacebatteries.See6.10Batteries,
page44.
6.4.3Chargingdevicefaultdiagnosis
SymptomPossiblecauseSolution
NoLEDsilluminatingonbatterychargerChargingdevicenotconnectedto
mainssupply.
Ensurethatthebatterychargerhas
beenpluggedin.
NomainssupplyCheckthemainssupplywitha
voltmeter .
Defectivemainssupplycable.Checkthemainssupplycable.Replace
damagedcablesorsendthebattery
chargertoInvacareServiceforrepair .
LEDsareburntoutSendthebatterychargertoInvacare
Serviceforrepair .
Aninternalfusemightbeburntout.SendthebatterychargertoInvacare
Serviceforrepair .
BatteriesdonotchargeFuseonmobilitydevicehasburntout.Checkmobilitydevicefuses.See“Main
fuse”.
Batterychargernotconnectedto
mobilitydevice.
Ensurethatthebatterychargerhas
beenconnectedtothemobilitydevice.
NomainssupplyCheckthemainssupplywitha
voltmeter .
Defectivemainssupplycable.Checkthemainssupplycable.Replace
damagedcablesorsendthebattery
chargertoInvacareServiceforrepair .
Batterychargercouldbedefective.Useabatterychargerwhichyouknow
isworkingproperlytochargethe
batteries.Sendthedefectivebattery
chargertoInvacareServiceforrepair .
Batteryvoltageistoolowtooperate
mobilitydevice.
Replacethebatteries.See“Removing
batteries”
6.5ServicePlan(OnceaYear)
CAUTION!
Riskofinjuryanddamagetoproperty,ifmaximumspeedreductiononwheelchairwithlifterdoesnot
functioncorrectly
Thewheelchair’selectronicsmustreducethemaximumpossiblespeedassoonasthelifterisraised.
–Testthemaximumspeedreductionforcorrectfunctionafteranymaintenanceworkormodicationstothe
wheelchair.
ComponentCheckRemedyNotes
Damagetoposture
belt
Replacebeltif
damaged
SeeReplacingPostureBeltin
servicemanualofseatingsystem.
Posturebelt
BeltlockfunctionReplacebeltif
damaged
SeeReplacingPostureBeltin
servicemanualofseatingsystem.
181675507-A

Service
ComponentCheckRemedyNotes
DamagetoarmrestsReplacecoverif
damaged
Armrests
ArmrestxingsTightenscrews
DamagetofenderReplacefender Fender
FenderxingsTightenscrews
PoweredtiltTighttofSLretainer
clip
ReplaceSLretainer
clip,ifnecessary
Poweredrecline(if
tted)
Damagetobackrest
Seams
Fixing
Checkcable
Checkfunction
Replacepartsif
damaged
Tightenscrews
Replacecableormotor
ifnecessary
Frames(chassis)/
batterymounting
Checkxings,welded
seamsandbattery
mounting
Tightenscrews
Replacecomponentsif
necessary
Checkdrivewheelsfor
tighttandsideplay
Adjust,replacewheel
hubs
See6.8Wheels,page33.
Checkcastorsfortight
t,oatandsideplay
Replacewheels,castor
forksorwheelbearings
See6.8Wheels,page33.
TyresRepairorreplaceif
damaged
See6.8Wheels,page33.
ChecksuspensionRepairorreplaceif
damaged
See6.8Wheels,page33.
Wheelsuspensionand
wheels
CheckstraightrunningReplacewheels,castor
forksorwheelbearings
See6.8Wheels,page33.
MotorsTestmotorsSee5.1TestingMotor,page11.
Driveunits,clutch
mechanismCheckfunctionsin
driveandpushmodes
Checkclutch
mechanism
Checkcarbonbrushes,
replaceifnecessary
(notwithlifetime
brushes)
Replacemotorif
necessary
Tightenscrews/nuts,
adjustorreplaceif
necessary
See6.7DriveComponents,page
25.
BrakesCheckmotorbrakeTestmotorbrakeSee5.2TestingMotorBrake,page
11.
LegrestsCheckweldedseams,
interlocking,screws,
footplates
Tighten,replaceif
necessary
Powerlegrests(if
tted)
Checkcable
Checkcontacts
Checkfunctions
Replacecableif
necessary
Lighting(iftted)Checkcable
Checkfunction
Replacelamporcable
ifnecessary
See6.11Lightingunit,page53.
BatterymountingCheckbatterysupport
andmountingbeltsfor
damage
Replaceifnecessary
1675507-A19

Invacare®AVIVA™FXSeries
ComponentCheckRemedyNotes
Checkbatteriesfor
damage
Replacebatteriesif
necessary
See6.10Batteries,page44.
CheckbatteryvoltageChargebatteriesSeeusermanual.
Batteries
Checkcontactsand
terminals
Cleancontactsand
terminals
See6.10Batteries,page44.
Remote,statusLED
ashing
Evaluateerror/ash
code
See6.4Troubleshooting,page15.
FixingsTightenxings,replace
ifnecessary
Cablesandconnecting
plugs
Replacedamaged
cablesandtighten
connectingplugs,if
necessary
Replacejoystickknob
ifnecessary
Joystickfunction
Replaceremoteif
necessary
Remote/power
module
PowersupplyReplacedamaged
cablesandtighten
connectingplugs,if
necessary
ChaircongurationCheckchair
congurationversion
Updatesoftware
ifnewerversion
available
SeeLiNXservicemanual.
Screws(every6
months)
Checkscrewsfortight
t
Tightenscrewsif
necessary
201675507-A