EC-570 Maintenance Service Manual
Contents
1. Storage condition IL Appearance of the chair Remote controller Pillow Back pad Holder of remote controller Arm rest Seat pad Foot rest Side board Wrench for extending foot rest Front cover of back rest Rear cover of back rest Casto Rear cover under the seat IIL Name and functions of components remote controller LCD display Displays time and temperature THERAPY key Allows starting up automatic tapping program RELAX key Allows starting up automatic kneading program KNEADING key Full back mode intensity can be adjusted TAPPING key Full back mode intensity and width can be adjusted DUAL ACTION key Full back mode of kneading and tapping intensity can be adjusted ROLLING key Full back mode width can be adjusted HEATING key Allows starting and stopping the heating in back pad and foot rest Keys for actuators Allows adjusting the angle of back rest and foot rest SEAT key Allows starting vibrators and charging gas bags in the seat pad CALVES key Allows starting vibrators and charging gas bags in the calves rest Intensity can be adjusted at 3 levels ON OFF Allows starting and stopping the chair AIR key Allows starting up automatic charging program SPOT key Allows starting spot massage just in the current position Position can be adjusted by UP and DOWN PARTIAL key Partial massage taking the current position as the center with height 16 cm Center2. 4 Find 4 pieces of screws fixing the kneading motor to the sheet metal slacken and remove the screws with a plus screwdriver Replace a new one if it does work 6 Proceed in the reverse order of disassembly when replacing a new one Tools a plus screwdriver nipper pliers Disconnect the wires Ha Screws fixing the Tools needed and the ST5 12 kneading motor kneading motor taken off 7 2 Rolling motor DC 24V If the power of rolling motor is supplied from main PCB and the wires between main PCB and the rolling motor are OK but the rolling motor doesn t run In this situation there must be something wrong with the rolling motor or reduction box You can follow the following instruction to replace them Tools a plus screwdriver minus screwdriver nipper pliers wire cutters shifting spanner inner hexagon spanners 24VDC power supply 1 First disassemble the cover of back rest You don t need to disassemble the whole back rest from the seat part 2 Slacken and remove the screw bolts and nuts fixing the cross beam on the guide rails with a plus screwdriver 18 and a spanner Take away the cross beam 3 Slacken and remove the screw bolts and nuts on both sides fixing the plastic blocks in the guide rails with a plus screwdriver and a spanner Take away the plastic blocks Disassemble the cross beam Disassemble the plastic blocks 4 Cut the cable ties around the box of electric filter find the wires of the knea
3. And you can take out the rear cover 8 Bear in mind the connection of the teminals to avoid confusion Then pull them out 3 s u kadali i a acl F Ar Ng 3 3 F kab O Wi 8 No 28 Screws fixing the cover Terminals on the main PCB 4 Disconnet the PCB supporter locking the main PCB on the base plate with a nipper pliers then the PCB can be taken off PCB supporter Proceed in the reverse order of disassembly when replacing a new one 29 7 Disassembly and replacement of the air pump and air storage boxes 1 Disassemble the rear cover under the seat Pull out all the connectors of the air hoses coming from the air feeding box Pull out the terminals of the air pump and snuffle valves on the main PCB Slancken and remove the screws fixing the air feeding box on the basic plastic box with a plus screwdriver Then you can take the whole box out Screws fixing the air feeding box 8 Slacken and remove the screws fixing the plastic panel that tightens the air hoses Then take it away There is a rubber pad between the panel and upper cover of the air feeding box Slacken and remove the screws 11 pieces fixing the upper cover on the lower cover of the air feeding box Then you can take way the upper cover Screws fixing the plastic panel mi Screws fixing the upper cover 4 Disassemble the black belt fixing the air pump Pull out the rubber supporters fixing the air pump on the base plate with nipper plier
4. 4 Main PCB fails Height Inspection Terminal or wire poorly contacts 2 Height Counting Subassembly fails Maintenance Methods 1 Replace Fuse 2 Replace Power Box 8 Replace EMC Board 4 Replace main PCB Replace mechanical switch or it s wire 2 Replace Stroke Photo electricity 3 Replace the main PCB 4 Width Inspection Board of PCB fails replace it 1 amp Plug the terminal securely or replace the wires 8 Replace Width Inspection 4 Replace the main PCB Plug the terminal securely or replace the wires 2 Replace Height Counting Sub assembly Terminal or Wire Poorly Contacts 2 Down stroke Photo electricity Subassembly Falls Up stroke Photo electricity Subassembly Falls Rolling Motor Fails 6 Main PCB Fails 5 No Rolling No kneading 0 No tapping The terminals on main PCB and wires are poorly connected Kneading motor fails Main PCB fails 1 The terminals on main PCB and wires are poorly connected 2 Tapping motor fails 8 Main PCB fails No response The terminals and wires are poorly when pressing connected the keys onthe The PCB in the remote controller remote fails controller The terminals of reclining actuator Back rest cannot and wires are poorly connected be reclined or 2 The reclining actuator fails raised Main PCB fails The terminals of foot rest actuator Foot rest and wires are poorly con
5. assembling the rear cover 14 3 Disassembly of the back rest 1 Release the stopper at the bottom of back rest turn down the back rest forward 2 Slacken and remove the screws fixing the rear cover of seat part Pull out the rear cover Disconnect the connector of back rest on the main PCB And slacken and remove the screw fix the ground wire Turn down the back rest forward Screws fixing the rear cover of seat part 8 Remove split pin draw out flat head rivet securing the link rod and Y type joint with nipper pliers to separate the reclining actuator from the back rest 4 Raise the back rest to the upright position then pull it up to separate the back rest Tool nipper pliers Flat head rivet securing the link rod and Y type joint Raise the back rest to the upright position 15 4 Disassembly and replacement of the front cover of the back rest If disfiguring damage or crack happened or the inside cloth is damaged you can proceed as follow 1 After disassembling the rear cover you can find 6 pieces of screws fastening the front cover to the back frame 2 Slacken and remove the screws with a plus screwdriver Screws tightening the front cover 8 Then the front cover can be removed 4 You should proceed in the reverse order of above operation if replacement needed Tool a plus screwdriver The top screws Separate the front cover from the frame 5 Disassembly of the electri
6. new one es Nylon clamp Terminal of the remote controller 35 IX Maintenance of the foot rest 1 Find the zip connecting the seat pad and the outer coating of the foot rest then upzip 2 Slacken and remove the screw bolts and nuts fixing the foot rest to the base frame with shifting spanner and inner hexagon spanner As you can see the iron cable and gas hose are still connecting to the seat part If the outer coating needs replacement the gas hoses should be disconnected from the joints under the seat Take care not to lose the sleeves with different color Joints connecting the gas Slacken and remove the screw hoses under the seat bolts and nuts 8 Slacken and remove the screws fixing the guard pad at the bottom of foot rest with a plus screwdriver Then the guard pads can be removed Screws fixing the guard pad 36 4 Find the zip on the outer coating then unzip There are 4 ropes inside the outer coating untie them then you can take off the outer coating Screws fixing the rear cover Rear cover taken down 6 You can find 4 pieces of screws fixing the front cover at the back of the side air bags Slacken and remove them then the front cover can be removed Screws fixing the front cover 7 You can find an air cylinder fixing on the foot rest Air cylinder al 8 Slacken and remove the screws 4 pieces fixing the air cylinder on the iron tube Slacken the nut fixing th
7. one Then tighten the screw bolt 34 13 Disassembly of the side board 1 Disassenmle the whole backrest and the seat pad including the wood board 2 Find 4 pieces of nuts tightening the side board to the base frame then slacken and remove them with a shifting spanner There are 4 pieces of plain washers under the nuts too 8 Remove the cover under the seat then you can find a piece of screw fixing the side board to the iron tube beside the castor Slacken and remove the screw If it is not easy to operate you should take away the base plate 4 If the inside and outside board need being separated slacken and remove the screws tightening them You can find the screws in the holes on the inside board You can do what is needed after separating them Screw fixing the side board to the iron tube There is a mechanical control system of the foot rest in the right side board After disassembling the whole side board a steel cable is still linking the board and seat part If one part of the control system fails you can disassemble the side board and handle the problem r Mechanical control system Outside board taken apart 14 Replacement of the remote controller 1 Remove the seat pad disconnect the terminal of the remote controller 2 Slacken and remove the screws tightening the nylon clamps then the remote controller can be removed 8 Proceed in the reverse order of disassembly when replacing a
8. reduction gear box with a plus screwdriver Slacken and remove the screws 4 Remove the width detection board and a new one can be replaced Proceed in the reverse order of disassembly when assembling Tool a plus screwdriver Attention In order to operate conveniently you can disassemble the massage mechanism first then the width inspection board 9 Replacement of up or down stroke photo electricity assembly 1 Disassemble the rear cover of the back rest 2 Pull out the terminal of the wire 8 Slacken and remove the screw bolts tightening the PCB of up or down stroke photo electricity assembly to the sheet metal with a plus screwdriver and nipper pliers 4 Proceed in the reverse order of disassembly when replacement needed Tools a plus screwdriver and nipper pliers Up stroke photo Terminal of the electricity assembly wire 26 VIII Maintenance of the seat part 1 Disassembly of the cover under the seat 1 Pull out the power cord release the stopper at the bottom of back rest turn down the back rest forward 2 Slacken and remove the screws 4 pieces fastening panel switch and the cover with a plus screwdriver 8 You can find 2 holes on the cover slacken and remove the screws inside then the cover can be removed 4 Proceed in the reverse order of disassembly when assembly Screws fastening panel switch and the cover 2 Disassembly and replacement of the panel switch After r
9. washers and so on to release all static of the body 1 No function when starting Is the LCD T Is the fuse melted illuminating N Replace fuse Y N Replace power Is the power cord Are the terminals of Up cord open circuit and Down Stroke Connect Subassembly connected N securely securely The switches of Up and Down Y The EMC Board Y eplace it Stroke Subassembly fail or not fails or not Is kneading on without pressing any N key when starting Width Inspection Replace Width Board fails or not Inspection Board N Replace main PCB 2 No width switchover Are the terminals of Width Inspection Board and main PCB connected securely Y Width Inspection Board fails or not N Replace main PCB 3 No function fixed spot or partial Are the terminals of Height Inspection Board and main PCB connected securely N Replace Main PCB 4 No rolling Are the terminals of rolling motor wire and main PCB connected securely Rolling motor fails or not Up stroke Photo electricity subassembly fails or not Y Y N Down stroke Photo electricity subassembly fails or not N N Replace main PCB Replace it Connect securely Replace it Connect securely Connect securely Y Replace the motor Y 5 No kneading Are the terminals of kneading motor wire and main PCB connected securely Y Y Kneading motor
10. 8 3 Disassembly of the universal rod 1 Slacken and remove the screw bolts 3 pieces tightening the sheet metal to the plastic swinging arm with a plus screwdriver 2 Remove the plastic cover so you can separate the universal rod form the winging arm 8 Slacken and remove the screw bolt fixing the universal rod Slacken and remove the screw bolts to bearing block with a plus screwdriver and a shifting spanner 4 Then the universal rod can be removed Tools a plus screwdriver shifting spanner The parts taken down 8 4 Disassembly of the holder of knead ball 1 It is unnecessary to disassemble the massage mechanism to disassemble the holder of knead ball just disassemble the rear cover of the back rest 2 Slacken the screw bolt tightening the holder to the swinging arm with a hexagonal socket wrench 10 mm and a shifting spanner Pull the screw bolt out and the holder can be removed 8 Remove the tension spring and a new holder can be replaced if needed 4 Proceed in the reverse order of disassembly when replacing a new one Tools hexagonal socket wrench 10 mm a shifting spanner Slacken the screw bolt The parts taken down tightening the holder and the tools 23 8 5 Disassembly of width inspection board Disassemble the rear cover of the back rest 2 Pull out the terminal of width inspection board 8 Slacken and remove the screws tightening the width inspection board to the
11. BRAK ERSEPAL nm p28 BRIDLE IAS Xiamen Comfort Science amp Technology Group Co Ltd EC 570 Maintenance Service Manual Model EC 570 Sereies Voltage 220 240VAC By Customer Service Department h BKA UU GRP eee FA Aa BPRS Ps Maintenance Service Manual Contents a CCG TIS AAKALA ae Il cn Appearance Or the Chait aegris o aE aE AA AG II Name and functions of components remote controller IV e Ma ie AA V Troubleshooting flow Chart 22 2m s s sse cer eee cee ee cee cee ene cee eae ara Vie Ferminals Om the nan PCB a ses be nev Giese ceed AA settee aes VIL Maintenance of the back resler 3G tea we tii des one nee eee ste ee VIII Maintenance of the seat part smx mm mms sees eee cee cee eee see way eee cee en b Saree Maintenance Ol ie TOOL TES aa eed tee ots ee aos alak X Blectrical wiring diagram s s s us cee cee cee cee eee cen eee awa way eee es XI Schematic diagram of the main PCB sss ses ses ces eee cee cee cee cee eee 13 14 27 36 39 40 4 I Specifications Rated frequency When packing 1205x780x840 mm Dimensions Length x width x height When reclined 2000x750x700 mm When not reclined 1360 750x1150 mm N W 65kg Weight G W 83kg Remote controller 1 m Line length Power cord 2 2 m Temperature 10 40 C Humidity 30 85 RH Temperature 20 60 C Humidity 30 85 RH Safeguard Over current protector Usage condition
12. ad and wooden plate under it cut the cable ties fixing the wire of the actuator then pull out the terminal Proceed in the reverse order when replacing Obviously it is time consuming Cable ties tightening the Pull out the terminal with red sleeve wire Of actuators 6 Proceed in the reverse order of disassembly when assembly 32 10 Disassembly of the foot rest actuator 1 Raise the foot rest to the extreme position then you can find one end of the actuator is fixing on the U stay fork There are two plastic bush rings in the hole 2 Romove split pin draw out flat head rivet securing the foot rest actuator on the U stay fork and remove the flat head rivet Disassemble and remove the whole backrest then one end with a motor of the actuator can be found Romove split pin draw out flat head rivet securing the foot rest actuator on the base frame and remove the flat head rivet Take care not forget the bush ring Flat head rivet securing the foot Flat head rivet securing the foot rest actuator on the base frame rest actuator on the U stay fork 4 Then two methods can be followed A Cut the wire of the actuator take a new one and cut the wire too Then connect the wire of the new one turn on the power to check the connection is right or not If not exchange the wires Then put on a line insulator and tighten it This method is faster it is suitable for the skillful maintenance men B Cut the cable tie
13. ard on the base plate with a plus screwdriver Pull out the teminals on the PCB bear in mind the connection of the teminals to avoid confusion You can connect one teminal to a new PCB just when it s disconneted from the failed one 8 At late don t forget to tighten the screws 28 Screws fixing the wave filter PCB ST4 2 10 2PCS In out wires Screws fixing the pinboard ST4 2 10 2PCS Terminals on the pinboard 6 Disassembly and replacement of the main PCB Tips The main PCB is of great importance in the control part of a massage chair Controlled by the microcomputer the external equipment of the computer system is more stable than the control circuit So when one part is non functional first we should check the voltage is supplied by the main PCB or not Reasoning should be applied and check all the parts concerning the failure then you may find out the reason for the failure As a matter of fact you should find the problem of the chair then repair it It is inconsiderable to replace all the parts concerned when on part fails although it will have the job done But lots of manpower and material resources will be wasted You should learn the principle of the chair then will find the reason more quickly W Pull out the power cord connector release the stopper at the bottom of back rest turn down the back rest forward 2 Slacken and remove the screws 6 pieces fixing the rear cover under the seat
14. c filter of the motor 1 Release the stopper at the bottom of back rest turn down the back rest forward Disassemble the rear cover 2 You can find a box of the filter at the bottom of the massage mechanism Cable ties tightening the wires 8 Cut the cable ties tightening the wires on the sheet metal with wire cutters 4 Slacken and remove the screws tightening the upper and lower cover of the box Screws tightening the upper and The PCB and 1 fixed to the sheet metal The and lower cover are fixed to the sheet meta lower cover ST3 8 4PCS with 2 pieces of screws Slacken and remove the screws 16 6 If the PCB fails cut the wires and cable ties tightening the wires then replace a new one Then connect the wires and secure it with line insulators Proceed in the reverse order of disassembly when assembly Tool a pl dri 001 a plus screwdriver The PCB and lower cover are fixed to the sheet metal 6 Disassembly of mechanical main unit Attention This method can be applied when the rolling motor is OK If the rolling motor fails you can refer to 7 2 mentioned below 1 Slacken and remove the screw bolts 8 pieces fixing the cross beam on the guide rails with a plus screwdriver 2 Cut the cable ties around the box of electric filter find the wires of the kneading motor rolling motor and height inspection Screw bolts fixing the cross bang o beam remove the line insulators with nipper
15. can be adjusted by UP and DOWN DOWN key Mechanical main unit will run down by holding down it UP key Mechanical main unit will run up by holding down it INTENSITY adjust key Massaging intensity can be adjusted at 3 levels Only limited to KNEADING TAPPING SWEDISH DUAL ACTION RELAX THERAPY AIR WIDTH adjust key Width between knead balls can be adjusted at 3 levels Only limited to TAPPING ROLLING FEET key Allows charging gas bags in the foot rest Intensity can be adjusted at 3 levels Nf PAUSE key All the action will be broken off by this key IV Malfunction catalog Common Trouble and processing Methods are listed as follow Serial NO Phenomenon No Function No function when starting No Width switchover No Partial Function When Starting Description The LCD isn t illuminating Fuse melts in the Power Source Box or on the main PCB 2 Power supply circuit poorly connected EMC Board fails 4 main PCB fails The LCD is illuminating Mechanical switch fails or it s wire is opened 2 Up or Down Stroke Photo electricity fails 8 Main PCB fails 4 Kneading is on without pressing any key when starting and no response by pressing other keys 1 The terminals of Width Inspection on main PCB and wires are poorly connected The terminals of Width Inspection on massage mechanical and wires are poorly connected 8 Width Inspection fails
16. ding motor rolling motor and height inspection remove the close end wire connectors with nipper pliers disconnect the wires Bear in mind the connection of the wires to avoid confusion The wires with blue sleeves is connecting to kneading motor and the red to rolling motor Pull out the terminal of the width inspection cut the cable ties tightening the wires Cut the wire leading to the electric filter with wire cutters Make sure that there is no resistance when we pull out the mechanical main unit with wheels Close end wire connectors 5 Slacken and remove the screw bolts fixing the cover of the rolling motor on the reduction box with a inner hexagon spanner then the cover can be removed Screw bolts fixing the cover Pry the L shaped sheet metals L shaped sheet metal 19 7 Turn the motor shaft in counter clockwise direction then the mechanism main unit will run up When the pinions on both side un gear with the teeth bars you can pull out the mechanism main unit Lay a piece of clear cloth on the working table then put it on Mechanism main unit Rolling motor without cover 8 After taking out the mechanism main unit pull out the wheel on the rolling motor side Pull out the wheel 9 Slacken and remove the screw bolts fixing the reduction box on the sheet metal with a screwdriver If they are so tight that can not be slackened you can follow the second picture below to increase the lever of force Sc
17. e screw bar on the sheet metal Slacken and remove the screws fixing the plastic setting Then the air cylinder can be replaced Nuts fixing plastic setting 9 Tf one of the air bag or gas hose is damaged it should be replaced The air bags are fixed on the front cover with screws Slacken and remove them The joints of the gas hoses are tightened with cable ties Disconnect the connector then you can replace the air bag Joints of the gas hoses 10 Proceed in the reverse order of disassembly when assembly Warning As the voltage specification is 220 240VAC please make sure the plug is removed from outlet before processing operations above Because of the complex structure only professional maintenance man can be approved to do the repair work to avoid damage to the product 38 X Electrical wiring diagram UWeISeIp Juu pupa HOLS parog Ajro1n09 3 0j0yd ayons dn pigoq Ayo 1y09 3 0j0yd 3405s UMog pigog Sugunoo WSO preog uonoodsur ppm Y oe XI Schematic diagram of the main PCB sanoo J I sayovg JO JoleN oy UONEIQLA HAEA IY yen T Li aig tel ae Ta IHI PE THE e ih T ww wi aes eta m bY Wi i Pin a a ha ik myw indde ci k ri A ai nunan ant Lbk p m 4 ni i as ie TEUS EL Sanayan E JOJOW BU1 OY SLAW SOH6OIN LT ama ae 40 XII Contact us Please contact us if you have any questions The cu
18. e terminals of snuffle Are the terminals of snuffle Connect Connect valve for bags in the seat pad and main PCB connected securely valve for bags in the Foot securely Rest and main PCB connected securely securely Y l Y l Snuffle valve fails Snuffle valve fails or not or not N N Are the terminals of Connect Are the terminals of inflator Connect inflator pump and main securely pump and main PCB connected securely PCB connected securely securely X pa Y Y Inflator pump falls or not Inflator pump fails or not N N Replace main PCB 11 No Heating in the back pad and foot rest The power is supplied to the The connectors of the Y heating leaf or not heating are connected Replace the heating leaf securely or not N Connect them securely The terminal of the heating leaf on the l N Connect it securely main PCB is connected securely or not Y Replace the main PCB Common trouble about electric control and processing methods of EC 570B are mentioned above It is for indication only 12 VI Terminals on the main PCB Terminal of width Terminal of remote Terminal of Height inspection controller Inspection i al Terminal of 5 5 Terminal of up and vibrators a down stroke photo Winne m electricity Terminal of a snuffle valves SS Terminal of PEN a a Gay snuffle valves Terminal of the foot rest actuato
19. emoving the cover you can find the panel switch is fixing on the base plate with two screws Slacken and remove them 2 Cut the outlet of the panel switch with wire cutters if the panel switch needs replacement 8 Take a new one connect the wires and cover them with close end wire connector At last tighten the screws Screws fixing the panel switch Cut the wires of the switch 3 Replacement of power supply fuse 1 Turn OFF the power supply and remove the power cord plug 2 Turn the fuse holder in the counterclockwise direction with a finger nail or a minus screwdriver 3 Take out the fuse from the fuse holder and replace with a new one 4 Put in the holder and turn the fuse holder in the clockwise direction then it will be fixed Attention Make sure to use a glass tube fuse the same type 2 Make sure to turn OFF the power supply and remove the power cord plug of the main unit from the receptacle Take out the holder The fuse holder Al 4 Replacement of the wave filter After taking off the cover slacken and remove the screws fixing the wave filter PCB on the base plate with a plus screwdriver 2 After disconnecting a wire of the failed PCB connect it to the new one immediately with a electric iron Until all the wire are transplanted to the new one 8 At last tighten the screws 5 Replacement of the pinboard After taking off the cover slacken and remove the screws fixing pinbo
20. fails or not N Width Inspection Board fails or not Y N Replace main PCB 6 No tapping Are the terminals of tapping motor wire and main PCB connected securely Y Tapping motor fails or not N Replace main PCB 7 Remote controller doesn t work Are the terminals of remote controller wire and main PCB connected securely hd The conductive rubber fails or not N Replace the remote controller 10 Connect securely Replace the motor Replace it Connect securely lt Replace the motor N Connect securely Replace it 8 Actuator doesn t work Are the terminals of Are the terminals of foot rest D Connect Connect reclining actuator and main actuator and main PCB securely securely PCB connected securely connected securely The reclining actuator Y Y Replace it The foot rest actuator Replace it fails or not fails or not N N Replace main PCB 9 No vibration Are the terminals of print Are the terminals of motors in the calves rest print motors in the seat Connect and main PCB connected Connect pad and main PCB securely securely securely connected securely Are the connectors in Connect Are the connectors in Connect the middle of the wire securely the middle of the wire securely connected securely connected securely Y Y Y Y N N Replace main PCB 11 10 No gas charging Are th
21. irst slacken and remove the screws fixing the valve on the holder cut the wires remove the iron clamp pull out the air hose then pull out the U sheet metal connecting two plastic pipe joints with nipper pliers Then the valve can be removed Proceed in the reverse order when replacing a new one Screws fixing the valve U sheet metal on the holder 31 9 Disassembly of the reclining actuator 1 Raise the foot rest to the extreme position then release the stopper at the bottom of back rest turn down the back rest forward 2 Romove split pin draw out flat head rivet securing the reclining actuator on the U stay fork and remove the flat head rivet 8 Remove the guard cloth under the foot rest then one end with a motor of the actuator can be found Romove split pin draw out flat head rivet securing the reclining actuator on the base frame and remove the flat head rivet Take care not forget the bush ring Flat head rivet securing the reclining Flat head rivet securing the reclining actuator on the base frame actuator on the U stay fork 4 Then two methods can be followed A Cut the wire of the actuator take a new one and cut the wire too Then connect the wire of the new one turn on the power to check the connection is right or not If not exchange it Then put on a line insulator and tighten it This method is faster it is suitable for skillful maintenance men B Remove the seat p
22. lator pump fails 4 Main PCB fails 1 The terminal of the heating and main PCB are poorly connected 2 The connectors of heating on the top of the back rest are poorly connected Heating leaf fails 4 Main PCB fails 1 The terminal of the heating and main PCB are poorly connected Heating leaf fails Main PCB fails Replace the print motor 2 Plug the terminal securely or replace the wires 3 Replace main PCB Replace the print motor 2 Plug the terminal securely or replace the wires Replace main PCB Plug the terminal securely 2 Replace the snuffle valves 3 Replace the inflator pump 4 Replace main PCB Plug the terminal securely 2 Replace the snuffle valves 3 Replace the inflator pump 4 Replace main PCB Plug the terminal securely Connect the connectors securely 3 Replace the heating leaf 4 Replace main PCB 1 Plug the terminal securely 2 Replace the heating leaf 3 Replace main PCB V Troubleshooting flow chart Notes for repairing chair or replacing parts 1 Make sure the power is OFF before tearing down the wires moving terminals or replacing parts Semiconductors such as IC and others are very easy to be damaged by static so when you touch the PCB please make sure your body 1s grounding by wearing a girding static ring or your hands are touching with earthing grip household electrical appliances putting to earth such as fridges
23. nected 1 cannot be raised The foot rest actuator fails or lowered Main PCB fails O NI Plug the terminal securely or replace the wires 2 Replace Down Stroke Sub assembly 3 Replace Up Stroke Sub assembly 4 Replace Rolling Motor Replace main PCB Plug the terminal securely or replace the wires 2 Replace the kneading motor 3 Replace main PCB Plug the terminal securely 2 Replace the tapping motor Replace main PCB Plug the terminal securely or replace the wires 2 Replace the remote controller Plug the terminal securely 2 Replace reclining actuator Replace main PCB Plug the terminal securely 2 Replace foot rest actuator Replace main PCB No vibration by the motors in the seat pad No vibration by the motors in the Foot Rest No gas charging in the seat pad No gas charging in the foot rest No heating in the back pad No heating in the foot rest Print motors fail The terminals and wires are poorly connected or the wires fall 3 Main PCB fails Print motors fail 2 The terminals and wires are poorly connected or the wires fail Main PCB fails 1 The terminal of the snuffle valves and wires are poorly connected 2 The snuffle valves fail The inflator pump fails 4 Main PCB fails 1 The terminal of the snuffle valves and wires are poorly connected 2 The snuffle valves fail The inf
24. ping motor 3 Loosen the kneading belt pull out the terminal of width inspection board 4 Slacken and remove the screw bolts 4 pieces fixing the massage mechanism on the frame with a screwdriver There are 4 pieces of spring washers too Terminal of width inspection board Turn the kneading belt pulley to adjust the width between knead balls then you can take off the massage mechanism Tools a plus screwdriver nipper pliers Screw bolts fixing the massage mechanism M5 12 4pcs 8 2 Disassembly of the swinging arm and universal rod assembly 1 Slacken the hexagon check nut tightening the swinging arm to eccentric shaft with a hexagonal socket wrench 1 2 2 Remove the hexagon check nut and washer 8 Slacken the hexagon check nut tightening the universal rod assembly to eccentric shaft with a hexagonal socket wrench 1 2 Slacken the hexagon 4 Remove the hexagon check nut and washer so you can separate check nut the swinging arm and universal rod from the massage mechanism Remove the tension spring and further disassembly can be done Tool hexagonal socket wrench 1 2 Attention When slackening the hexagon check nut tightening the universal rod assembly to eccentric shaft you can t loosen it for the rotating shaft The parts taken So the eccentric shaft should be fixed What you should do is J own inserting an iron rod into the hole of the shaft to stop its rotating 24
25. pliers disconnect the wires Bear in mind the connection of the wires to avoid confusion The wires with blue sleeve is connecting to kneading motor and the red to rolling motor 3 Pull out the terminal of the width inspection cut the cable ties tightening the wire Cut the wire leading to the electric filter with wire cutters l l l E l The cross beam is removed 4 Find the wires of the rolling motor connect to the wiring terminal of 24VDC a little lower can be accepted power supply Turn on the power to elevate the mechanical main unit until it runs out of the guide rails Then you can do what you want to the mechanical main unit 6 Proceed in the reverse order of disassembly when assembly Tools a plus screwdriver nipper pliers wire cutters 24VDC power supply Close end 17 7 Replacement of the kneading tapping and rolling motors Attention The voltage of this massage chair is high and the motors are rotating in high speed so make sure the power is OFF before disassembly For safety you should remove plug from outlet 7 1 Kneading motor DC 24V 1 Disassemble the rear cover of the back rest and find the belt at top of the massage mechanism then loosen the belt as shown in the picture 2 Find the wire of kneading motor and cut the cable ties Loosened belt tightening the wire with wire cutters 8 Remove the line insulator covering the wires with nipper pliers then disconnect the wires
26. position Then you can put on the outer side of the reduction box This side faces to the free end of the shaft The gear inside 17 Proceed in the reverse order of disassembly when assembly One thing needs to be mentioned When the mechanism main unit has been assembled connect the rolling motor wires to 24VDC power supply power off put the lower wheels of mechanism main unit into the guide rails and the pinions on the end of the teeth bars Turn on the power then it will run down If the running direction 1s opposite exchange the wires of rolling motor connecting to power supply 7 3 Tapping motor DC 24V 1 Disassemble the rear cover you can find the tapping belt at the bottom of the massage mechanism 2 Loosen the tapping belt 8 Cut the wire connecting the tapping motor and the electric filter 4 Slacken and remove the screws fixing the tapping motor Then the motor can be removed a new one can be replaced if needed 6 Proceed in the reverse order of disassembly when replacing a new motor Tools a plus screwdriver nipper pliers Slacken and remove the screws fixing the tapping motor Attention You don t have to disassemble the massage mechanism before disassembling the tapping motor 23 8 Maintenance of the massage mechanism 8 1 Disassembly of the whole massage mechanism 1 Disassemble the rear cover cut all the cable ties tightening the wires 2 Cut the wire of the tap
27. r ji 12VDC voltage Terminal of the pe a L AN JN jana input terminal reclining actuator Terminal of inflator pump 23VAC voltage Terminal of rolling input terminal kneading and tapping motors 24VDC voltage input terminal Warning please make sure the massage chair is POWER OFF before maintenance and repair As the voltage is 220 240VAC please make sure the plug is removed from outlet for safety before processing operations as follow VII Maintenance of the back rest 1 Disassembly of the back pad 1 You can find a zip of the back pad on the top of the back rest 2 Unzip and disconnect the connector of heating leaf then the back pad can be removed 8 If it s damaged a new one should be replaced If the heating leaf fails you can replace it too 4 Proceed in the reverse order of disassembly when replacing a new one Zip of the back pad Connector of heating leaf Heating leaf 2 Disassembly and replacement the rear cover of the back rest If disfiguring damage or crack happened you can proceed as follow 1 Find 4 pieces of screws fixing the rear cover 2 Slacken and remove them with a plus screwdriver 8 Then the rear cover can be removed 4 If it s damaged a new one should be replaced Screws tightening the rear cover Apcs Attention Take care not to damage the rear cover to avoid bad external appearance Proceed in the reverse order of disassembly when
28. rew bolts fixing the reduction box Increase the lever of force 20 10 Slacken and remove the screws 6 pieces fixing the upper and lower cover of bearing block with a plus screwdriver Screws fixing the upper cover Screws fixing the lower cover 11 Then you can pull out the shaft subassembly though the sheet metal as you can see in the following picture 12 Slacken and remove the screw bolt and nut fixing the pinion on the shaft with a screwdriver and nipper pliers Pull out the shaft subassembly Disassemble the pinion 13 Pull the pinion out of the shaft Slacken and remove the screws fixing the inner side cover on the outer side cover with a screwdriver Pull out the pinion Screws fixing the inner side cover 21 14 Then the outer side of the box and the rolling motor can be removed Pull the inner side cover to another side Remove the outer side washer Ai y Remove the outer side cover and motor Remove the washer 15 Push the gear wheel to the inner side the bearing side then can find the flat key in the shaft you can pull it out Flat key Pull out the flat key 16 Then you can tap out the gear wheel Put on the new gear wheel it should be surpass the hole of the flat key Take care that the right side of the gear wheel The following picture shows the outer side so it will face to the free end of the shaft Then put the flat key in the hole of the shaft Push the gear wheel on the right
29. s Pull out the connector of gas hose connecting the inflator and snuffle valves Then the whole pump can be removed Then the air pump can be replaced if needed Black belt fixing the air pump Rubber supporters 30 If the white gas storage boxes need to be replaced just slancken and remove the screw fixing then and disconnect the connectors of the air hoses Arr storage boxes with air hoses 6 Proceed in the reverse order of the disassembly when replacing a new one Screw fixing the air storage boxes Attention When fixing the pump you should insert the rubber poles into the hole of the base plate then pull them though with nipper pliers then the rubber poles are locked in the hole 8 Disassembly and replacement of the snuffle valves 1 After disassembling the upper cover of the air feeding box you can find the snuffle valves 2 Pull out the rubber supporters fixing the sheet metal of snuffle valves on the lower cover with nipper pliers Cut the cable ties tightening the wire of snuffle valves 8 Disconnect all the R clamps tightening the air hoses pull out the air hoses You had better pull out one hose then put it on the new snuffle valves immediately to avoid confusion Then assemble the R clamps Then you should take out the rubber supporters and assemble them on the new snuffle valves subassembly R clamps Snuffle valves subassembly If just one of the snuffle valves needs replacement f
30. s fixing the wire of the actuator then pull out the terminal Take a new one connect the terminals and tighten the cable ties Proceed in the reverse order of disassembly when assembly Don t forget the bush ring in both ends 33 11 Disassembly and replacement of the seat pad 1 Find the zip connecting the seat pad and the outer coating of the foot rest then upzip 2 Raise the seat pad you can find two gas hoses and a wire there Raise the seat pad Disconnet the gas hoses and pull out the terminal of the wire then the seat pad can be removed Proceed in the reverse order of disassembly when replacing a new one DOO If the outer coating needs replacement only cut the cable tie tightening the zip after the seat pad is separated Then unzip and take off the outer coating Don t forget to tighten the cable tie after putting on the new outer coating 6 You can slacken and remove the screws fixing the wood board on the base frame if the board needs being taken away Cut the cable tie Slacken and remove the screws fixing the wood board 12 Disassembly and replacement of the arm rest W Find a hole in the rear side of the arm rest then slacken and remove the screw bolt inside whit a plus screwdriver Push the arm rest forward then it can be removed Screw bolt a AN lt Push the arm rest forward 8 Lock the sheet metal in the front side to the hole of the side board when replacing a new
31. stomer service department Xiamen Comfort Science amp Technology Co Ltd CSC Address 18 LONGSHAN SOUTH ROAD XIAMEN 361009 CHINA Tel 86 592 5511161 Fax 86 592 5564013 E mail server easepal com cn Website www easepal com cn 4
Download Pdf Manuals
Related Search