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Johnson Health Tech. Co., Ltd.

b. Confirm if the power supply and EMC filter board are normal. Measure if AC110V

(AC220V in mainland China) power supply of output end of EMC board is normal

Possible cause: EMC board fuse damage, EMC board damage or poor contact of

connecting line

4-1.

Fail to start

Fail to start

Turn off the

power supply

Remove four set screws (red arrow),

Remove power supply cover (blue arrow)

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Summary of Contents for J-6800

Page 1: ...Johnson Health Tech Co Ltd J 6800 MASSAGE CHAIR SERVICE MANUAL 2014 02 26 Version 1...

Page 2: ...3 8 E1 E2 4 Common troubleshooting 4 1 Fail to start 4 2 Pushrod motor 4 3 Speaker 4 4 Single air bag 4 5 All air bags 4 6 Warm 4 7 Machine core 4 8 Failure of armrest keyboard shortcuts 4 9 Chair bac...

Page 3: ...n body electrostatic discharge ground wire if it is required to directly contact the baseplate when performing operations or touch the ground wire ground wires of fridges washing machines etc with bar...

Page 4: ...Johnson Health Tech Co Ltd 1 Product Specifications...

Page 5: ...Johnson Health Tech Co Ltd 1 Product Specifications...

Page 6: ...d manual controller is not yet actuated press fixed point fixed point and warm warm on the manual controller at the same time for 5 seconds and the controller will display 2 Then press whole body whol...

Page 7: ...ion use up up and down down again to select the element to be controlled such as A0 A5 7 After element selection use massage intensity strong and weak to adjust the element speed and the intensity wil...

Page 8: ...t forward or reverse if such element has no forward and reverse states it will be in motion state 9 After entering the mode press emergency stop emergency stop key to return to the previous layer of m...

Page 9: ...ion Air bag strength strong weak Select ok and the air bag moves or motor rotates forward Power switch Exit engineering mode Air bag strength panel Speed selection 3 high 2 medium 1 low Key operation...

Page 10: ...ng mode P7 Automatic testing mode P8 Life testing mode PU Software version check 2 Engineering mode introduction Engineering mode introduction P0 Manual controller testing mode P1 Motor testing mode P...

Page 11: ...A4 Kneading Forward and reverse rotation of machine core A3 Front and back movement of machine core A2 Up and down movement of chair back A1 Up and down movement of foot machine Motor test mode is ma...

Page 12: ...ck C1 Up and down movement of foot machine Sensor testing is mainly used to test and indicate limits and counts When operating motor in this mode LCD time window will display the digit returned by the...

Page 13: ...machine core C0 rises When the upper limit light is it means that the machine core is unable to move upward when the lower limit light is on the machine core is unable to move downward The lamp signa...

Page 14: ...chair back Current testing is mainly used to test if the motor current is too high When the returned number exceeds 100 the carrying digit will display massage intensity 100 500 D3 is a major test ite...

Page 15: ...ag works normally the inflation rate is normal there is leakage etc It can also distinguish the position of the air bag to be tested via the pattern on the manual controller 2 4 Engineering mode P4 6...

Page 16: ...Johnson Health Tech Co Ltd 2 4 Engineering mode P4 Shoulder Waist Arm Hip Thigh side Thigh Upper leg Lower leg instep Calf...

Page 17: ...ction and the time window displays U0 to enter manual controller software version check function c Press air pressure strength key and the time window displays in a jumping loop of v1 04 v1 04 indicat...

Page 18: ...es will appear on the machine s manual controller and the machine will stop Maintenance personnel can judge the fault conditions and anticipate maintenance materials based on the error code reported b...

Page 19: ...the machine is normal 3 Replace the lower panel and then confirm if the machine is normal 4 Ask for assistance of original factory 90 Communication error Communication timeout between manual controlle...

Page 20: ...ntermeasures A0 Kneading seized After the software gives an instruction the kneading sensor of machine core does not return signal 1 Check if the connecting line contacts poorly 2 Check if the sensor...

Page 21: ...ized After the software gives an instruction the up and down sensor of machine core does not return signal 1 Check if the connecting line contacts poorly 2 Check if the sensor works normally and code...

Page 22: ...en the machine core moves up and down safety switch is triggered 1 Except in Japan this anomaly code is shielded in the software while only keeping hardware structure updating software can eliminate t...

Page 23: ...ized 2 Replace machine core B3 Up and down overload Up and down motor current is too high 1 Check if the machine core structure is seized 2 Replace machine core C0 Abnormal heating Abnormal heater ban...

Page 24: ...k users to place their backs to the massaging balls as closely as possible When the massaging balls move forward for detecting push backward as strongly as possible Aged mechanical structures of the f...

Page 25: ...ont and back count After the software gives an instruction the front and back sensor of machine core does not return signal 1 Check if the connecting line contacts poorly 2 Check if the sensor works n...

Page 26: ...3 Use spare parts to connect the main board to confirm if chair back pushrod is damaged 4 Replace main board E2 Foot machine count anomaly After the software gives an instruction foot machine pushrod...

Page 27: ...late when performing operations or touch the ground wire ground wires of fridges washing machines etc with bare hands to discharge the static electricity of the human body before carrying out operatio...

Page 28: ...eset the power led turns on and then off immediately the circuit system may be short circuited and requires attention It is recommended to ask the personnel with electronic background to check and rep...

Page 29: ...AC110V AC220V in mainland China power supply of output end of EMC board is normal Possible cause EMC board fuse damage EMC board damage or poor contact of connecting line 4 1 Fail to start Fail to st...

Page 30: ...e power is off measure if the fuse is damaged The main purpose is to measure if the input end voltage has output voltage AC110V or AC220V after passing through the filter if there is no voltage check...

Page 31: ...pply is normal Measure transformer output end voltage no load AC24 28V AC12 15V AC15 18V Possible cause the fuse inside the transformer is damaged replace the transformer AC12V AC15V AC24V AC24V 4 1 F...

Page 32: ...again and observe if the indicator light of the master control flashes normally Please refer to 5 2 Software Update e Change to the spare manual controller for operation If it operates normally repla...

Page 33: ...tor which does not work and replace with spare pushrod motor or replace with the electric pushrod which works normally on the machine for testing Replace master control panel Replace pushrod Still doe...

Page 34: ...r audio small board connecting line are poorly connected amplifier board is damaged single speaker connects or works poorly audio small board is damaged stereo headphone line is damaged The unclear so...

Page 35: ...iagram Check if the solenoid valve works normally Check if each air channel connector leaks air pipes are compressed and shut off connect and fasten again replace aged air pipes 4 4 Individual air bag...

Page 36: ...udge whether the air pump works or not by listening to its sound c Check if the solenoid valve works normally No Check air valve connecting line or replace master control panel No check air pump power...

Page 37: ...Johnson Health Tech Co Ltd Treatment a Check if the connecting line terminal connection is normal 4 6 Abnormal warming function Abnormal warming function Old version New version...

Page 38: ...ance value Shoulder strap warming piece normally about 17 and about 34 in case of unilateral damage Check connecting line replace warming piece Measure the resistance values of front and back sections...

Page 39: ...tor which is easily short circuited causing measurement difficulty it is recommended to connect the spare directly and then observe if the warming function is restored The easy contact with the shell...

Page 40: ...le warming piece normally about 48 and about 96 in case of unilateral damage Check connecting line replace warming piece Measure the resistance values of black and red pins 4 6 Abnormal warming functi...

Page 41: ...normal warming function Abnormal warming function c Measure if the master control panel has DC24V 30V output if not replace the master control panel These two pins are foot warming voltage These two p...

Page 42: ...g to the poor motor triggers the limit For example when the front and back machine core motors cannot move forward it is required to note that if the front limit lamp signal is triggered when the fron...

Page 43: ...triggered for example at C3 it represents that the lower control panel thinks that the machine core is at its foremost position and cannot go more forward When the lamp signal is on it represents the...

Page 44: ...utput 24V no check motor power line power line PASS replace master control panel 24V yes replace machine core or replace machine core motor kneading motor is not suitable for field replacement refer t...

Page 45: ...ate the software and then confirm b Check if the connecting line is normal c Check if the armrest s shortcut keys and manual controller s rubber keys are normal Wipe or replace them 4 8 Abnormal armre...

Page 46: ...high replace the armrest If the frequency is low press the keys to return to the original state and then observe b Check if the manual controller s keys are seized 4 9 The chair back reclines once Th...

Page 47: ...cannot go up but cannot go up Abnormal condition Normally it can come down but cannot go up the condition also includes that it can go up but cannot come down Treatment Check the appearance of upper a...

Page 48: ...al is triggered if the limit lamp signal is triggered when the machine core does not touch the upper lower limit it represents SENSOR anomaly or poor contact of the signal line 4 10 Machine core can c...

Page 49: ...ore s old connector is used with a new signal line or when the connector is plugged inversely this phenomenon will also occur old new Mixing prohibited 4 10 Machine core can come down Machine core can...

Page 50: ...nal Line Correct Connection Diagram Incorrect sequence may cause that the machine core can come down but cannot go up red black black red 4 10 Machine core can come down Machine core can come down but...

Page 51: ...o the replacement method is the same the only difference exists in outer shell disassembly sequence Prepare materials as follows Prepare tools screw driver cable tie diagonal cutting plier and needle...

Page 52: ...y and remove the outer shell s 4 screws 4 screws indicated by red solid lines 2 Remove the upper back cover because the tenon is barbed it is recommended to use a flathead screwdriver to help the remo...

Page 53: ...core Replace machine core 3 Enter the engineering mode A0 refer to 2 1 elevate the machine core to the proper height and cut the cable tie fixing the signal line 4 Use Phillips screwdriver to loosen...

Page 54: ...ore 5 Loosen the set screws of rear cover side plate 2 screws in blue circles 6 Loosen the left and right set screws of rear cover side plate to avoid screw breakage when the upper back side plate is...

Page 55: ...8 Use the manual controller to operate the machine core refer to 2 1 to adjust the position 9 Move the machine core roller to the upper position to prepare for removal 5 1 Replace machine core Replac...

Page 56: ...t assist with hands 8 Make the rollers on the upper sides off the rails 9 Utilize the gap of the rear cover side plate 5 1 Replace machine core Replace machine core Slightly pull the side cover outwar...

Page 57: ...h Co Ltd 10 Elevate until breaking away from rack engaging state 11 Unplug the power line and signal connecting line 12 Use both hands to remove the disengaged machine core 5 1 Replace machine core Re...

Page 58: ...lastic gaskets are needed for the right side roller of the new machine core and such materials can be obtained from the old core 14 It should be noted that spring and metal gaskets are needed for the...

Page 59: ...not locked 17 And use the cable tie to fix the connecting line on the machine core metal plate If the tie specification is small use two or more ties for fixing There are holes for fixing the ties in...

Page 60: ...rm that the sensor works normally and adjust the metal plate properly to the center position about 2 cm from both sides 19 Lower the machine core to the lower limit and confirm that the sensor works n...

Page 61: ...e jconsole bin B Lower control panel application software jfitness bin It is recommended to install the software in the flash drive below 8GB to avoid that the lower control panel cannot read the flas...

Page 62: ...ine power switch press the manual controller power switch continuously d Then you will see the pounding lamp is on Press the power key continuously and then you will see that the pounding lamp keeps f...

Page 63: ...to the half height and confirm that the chair back is empty or not loaded any load will affect the numerical value Proper height is indicated by the green portion in the picture the cushion or leather...

Page 64: ...to make the machine core move forward At this time a number will appear and confirm that the number is not greater than 30 5 If it is greater than 30 adjust through the following steps if it is smalle...

Page 65: ...ear cover 2 Enter the engineering mode A0 refer to Page 10 to elevate the machine core to the proper height Prepare tools 3mm Allen key 7mm open end wrench screwdriver and flathead screwdriver 5 3 Adj...

Page 66: ...the other 3 screws A total of 4 screws require the adjustment 7 After the adjustment enter the engineering mode D3 to check if the number is lowered to below 30 8 If the number is lower than 50 the ad...

Page 67: ...Tech Co Ltd Right armrest Manual controller Foot machine unit Chair back unit Cushion Machine core unit Lower control panel unit Left armrest 5 4 Complete machine breakdown drawing Chair back pushrod...

Page 68: ...Co Ltd Up and down motor Front and back motor Kneading motor Upper and lower limits and upper and lower numbers Advance and retreat sensor Adapter board Kneading sensor Pounding motor 5 5 Machine cor...

Page 69: ...Johnson Health Tech Co Ltd Air valve 5 6 Lower control panel breakdown drawing Air pump Transformer Lower control panel...

Page 70: ...Johnson Health Tech Co Ltd Johnson Wellness Support Nicholas Beese p 1 877 217 2862 Email Nicholas Beese JHTNA com...

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