Osaki OS4000 Manuel utilisateur

OS4000Maintenance Service Manual

MODEL OS4000

Voltagespecification 110-120V

ByCustomerServiceDepartment

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TableofContents

ISpecifications .3

II. ..Appearance ofthechair .4

III . Nameandfunctions ofcomponents (remotecontroller) ...5

IV ..Malfunctioncatalog 6~8

VTroubleshootingflowchart ..9~13

VI Maintenance ofthebackrest 14~19

VII ..Maintenance oftheseatpart .20~25

VIII .Maintenance ofthefootrest ..26~29

Model OS4000

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I. Specifications

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II.Appearance ofthechair

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III.Nameand functionsofcomponents(remotecontroller)

Maincontrolbuttons

Auto-programbuttons

Angleadjustmentbutton

Lengthautoadjustment

buttonsforlegrest

Manualback

massage programs

The adjustment button

forback body

Remotecontroller

LCD

Sensorreceiver

Back speed/Air

intensity

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IV. Malfunctioncatalog

CommonTroubles andMaintenance Methods arelistedas following:

Serial

NO. Phenomenon Description Maintenance Methods Referto

01 No Function

WhenStarting.

The LCD isn tilluminating:

①Fuse(s)burnout (the one

IsinthePowerSourceBoxand

the otherone on the mainPCB).

②Powersupplycircuit poorly

connected.

③EMCBoardfails.

④mainPCBfails.

①ReplaceFuse(s).

②Replacethe powersupply

cord.

③ReplaceEMCBoard.

④ReplacemainPCB.

①Page 25/20

②(Ellipsis)

③&④

Page 23-24/18

02 No function

whenstarting.

The LCD isilluminating

①The Up orDownStroke

Photo-electricityfails.

MainPCBfails.

②Kneading ison without

pressing anykeywhen

starting and no response

bypressing otherkeys.

①Replacethe Up orDown

StrokePhoto-electricity.

②Replacethe mainPCB.

③WidthInspection Boardof

PCBfails, replaceit.

①Page 19/8

②Page

23-24/18

③Page 18/7.1

03 No Width

switchover.

①The terminalsofWidth

Inspection on mainPCB

and wiresarepoorly

connected.

②The terminalsofWidth

Inspection on massage

mechanical and wiresare

poorlyconnected.

③WidthInspection fails.

④MainPCBfails.

①&②Plug the terminal

securelyorreplacethe wires.

③ReplaceWidthInspection.

④Replacethe mainPCB.

①&②&③

Page 18/7.1

④Page

23-24/18

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04 No Rolling.

①TerminalorWirePoorly

Contacts.

②Down-strokePhoto-

ElectricitySubassemblyFails.

③Up-strokePhoto-electricity

SubassemblyFails.

④Rolling MotorFails.

⑤MainPCBFails.

①Plug the terminalsecurely

orreplacethe wires.

②ReplaceDown-Stroke

Subassembly.

③ReplaceUp-StrokeSub-

assembly.

④ReplaceRolling Motor.

⑤ReplacemainPCB.

①Page

23-24/18

②&③

Page 19/8

④Page 17/6.2

⑤Page

23-24/18

No kneading.

①The terminalson mainPCB

and wiresarepoorly

connected.

②Kneading motorfails.

③MainPCBfails.

①Plug the terminalsecurely

orreplacethe wires.

②Replacethe kneading

motor.

③ReplacemainPCB.

①&③

Page 23-24/18

②Page

16-17/6.1

06 No tapping.

①The terminalson main

PCBand wiresarepoorly

connected.

②Tapping motorfails.

③MainPCBfails.

①Plug the terminalsecurely.

②Replacethe tapping motor.

③ReplacemainPCB.

①&③

Page 23-24/18

②Page 18/6.3

No response

whenpressing

the keyson the

remote

controller.

①The terminalsand wiresare

poorlyconnected.

②The PCBinthe remote

controllerfails.

①Plug the terminalsecurely

orreplacethe wires.

②Replacethe remote

controller.

①Page 20/11

②Page 20/10

Back rest cannot

be reclined or

raised

①The terminalsof reclining

actuatorand wiresarepoorly

connected.

②The reclining actuatorfails.

③MainPCBfails.

①Plug the terminalsecurely.

②Replacereclining actuator.

③ReplacemainPCB.

①&②Page

22/15

②Page 23-24

/18

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Foot rest cannot

be raised or

lowered.

①The terminalsoffootrest

actuatorand wiresare

poorlyconnected.

②The footrest actuatorfails.

③MainPCBfails.

①Plug the terminalsecurely.

②Replacefootrest actuator.

③ReplacemainPCB.

①&②Page

22-23/16

②Page 23-24

/18

10 No gascharging

intheseat-pad.

①The terminalof the snuffle

valvesand wiresarepoorly

connected.

②The snufflevalvesfail.

③The inflatorpumpfails.

④MainPCBfails.

①Plug the terminalsecurely.

②Replacethe snufflevalves.

③Replacethe inflatorpump.

④ReplacemainPCB.

①&②&③

Page24/19

④Page

23-24/18

11 No gascharging

inthefootrest.

①The terminalofthe snuffle

valvesand wiresarepoorly

connected.

②The snufflevalvesfail.

③The inflatorpumpfails.

④MainPCBfails.

①Plug the terminalsecurely.

②Replacethe snufflevalves.

③Replacethe inflatorpump.

④ReplacemainPCB.

①&②&③

Page24/19

④Page

23-24/18

No gascharging

intheveil

forbackrest

①The terminalof the snuffle

valvesand wiresarepoorly

connected

②The snufflevalvesfail

③The inflatorpumpfails

④MainPCBfails

①Plug the terminalwell

②Replacethe snufflevalves

③Replacethe inflatorpump

④ReplacemainPCB

①&②&③

Page24/19

④Page

23-24/18

No extending

Orshrinking

of the calves-rest

①The terminalsand wiresare

poorlyconnected

②The output voltage isnot

24VAC

③The limit sensorfail

④Motorfails

①Plug the terminalwell

②Replacethe mainPCB

③Replacethe limitsensor

④Replacethe motor

①Page 25/22

②Page

23-24/18

③Page 27/24

④Page 26~27

/23

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V.Troubleshootingflowchart

Notesforrepairingchairorreplacingparts:

①Makesurethe powerisOFF beforetearingdownthe wires,movingterminalsorreplacingparts.

②Semiconductors(suchasICandothers)areveryeasytobedamaged bystatic,sowhen youtouch

the PCB,pleasemakesureyourbodyisgrounding(bywearingagirdingstaticring),oryourhandsare

touchingwithearthinggrip(householdelectricalappliancesputtingtoearth,suchasfridges,washers

and soon)toreleaseall staticofthe body.

1. Nofunctionwhenstarting.

否

是N

否

IstheLCD

illuminating? Isthefusemelted?

Replacefuse.

(Page 25/20)

AretheterminalsofUp

and DownStroke

Subassemblyconnected

securely?

Isthepowercord

open-circuit?

TheswitchesofUpandDown

StrokeSubassemblyfail ornot?

TheEMCBoard

failsornot?

Replace thepower

supplycord.

Replace it. (Page

23-24/18)

Connect

securely.

Replace them.

(Page 19/8)

Iskneadingonwithoutpressingany

keywhenstarting?

WidthInspection

Boardfailsornot?

Replace mainPCB.

(Page 23-24/18)

Replace Width

InspectionBoard.

(Page 18/7.1)

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2. Nowidthswitchover.

3. Nofunction fixed-spotorpartial）

4. Norolling

AretheterminalsofWidthInspectionBoardandmain

PCB connectedsecurely? Connectsecurely.

WidthInspectionBoardfailsornot? Replace it.

(Page 18/7.1)

Replace mainPCB.

(Page 23-24/18)

AretheterminalsofmainPCB connected

securely?

Connectsecurely.

Replace MainPCB.

(Page 23-24/18)

Aretheterminalsofrollingmotorwireand

mainPCB connectedsecurely? Connectsecurely

Rollingmotorfailsornot

Replace themotor

(Page17/6.2)

UpstrokePhoto-electricitysubassemblyfailsornot Replace it

(Page

)

DownstrokePhoto-electricitysubassemblyfailsornot

Replace it

(Page19/8)

Replace mainPCB

(Page 23-24/18)

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