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Summary of Contents for Cozzia 16028
- Page 1 16028 Maintenance Service Manual MODEL: 16028 By Customer Service Department...
- Page 2 CATALOG 1: Precautions for inspection and repair 2: Massage chair auto-check list 3: Common Troubles and Maintenance Methods list. 4: Tools List 5-1:Guidance of disassemble the backrest pad assy 5-2: Guidance of disassemble the backrest 5-3: Guidance of detach front cover & rear cover of backrest. 5-4: Guidance of detach up &...
- Page 3 1. Precautions for inspection and repair Inspection Verify that the power cord is tightly connected on the machine. Be careful to avoid electric shock. Repair Power off the supply before repair work begins. Keep things tidy and in order during repair work. ...
- Page 4 2:massage chair auto-check list ON/OFF: KNEAD + TAP + POWER(buttons on the controler), press and hold the three buttons in two senconds to turn on the automatic analysis system model. After activating the "auto-checking model", the display screen of the controller keeps flashing; if there is something wrong with the chair, the time area will show you the exact code of the malfunction, meanwhile the buffer will make noise.
- Page 5 broken or kneading belt is lost 1.wideth inspection board is broken 1.change wideth more than 5 2.the wire connect to the inspection board activate seconds did not wideth inspection board is 2.change backrest auto-check tested the middle disconnected wires.(black and gray) model signal 3.kneading motor is...
- Page 6 1.change the counting 1.the counting sensor of sensor of the rolling activate height counting the rolling motor is broken motor. auto-check signal error 2.backrest wire(black) is 2.check whether the model disconnected backrest wire(black) is well connected. 1.change down limit sensor can't test signal activate 1.down limit sensor is...
- Page 7 3: Common Troubles and Maintenance Methods are listed as following: Serial Phenomenon Description Maintenance Methods The LCD isn’t illuminating: ① Replace Fuse. ①Fuse melts (in the Power Source Box or on ② Replace Power Box. No Function the transformer wire). ③...
- Page 8 ①Height Inspection Terminal or wire poorly ①Plug the terminal securely or contacts. replace the wires. No Partial ②Height Counting Subassembly fails. ②Replace Height Counting Sub Function. -assembly. ①Terminal or Wire Poorly Contacts. ①Plug the terminal securely or ②Down-stroke Photo-electricity replace the wires. ②Replace Down-Stroke Sub- Subassembly Fails.
- Page 9 ①The terminals and wires are poorly ①Plug the terminal securely or No response when pressing connected. replace the wires. ②The PCB in the remote controller fails. ②Replace the remote controller. the keys on the remote controller. ①The terminals of reclining actuator and ①Plug the terminal securely.
- Page 10 ①The terminal of the snuffle valves and ①Plug the terminal securely. ②Replace the snuffle valves. wires are poorly connected. No gas charging ②The snuffle valves fail. ③Replace the inflator pump. in the foot rest. ③The inflator pump fails. ④Replace main PCB. ④Main PCB fails.
- Page 11 Tools List Tools required Screwdriver Soldering Spanner tools Kit Diagonal cutter and size 1,2,3 long nose pliers Test pen Allen Key set Ratchet Tools Set Blower Electric Driver electrical Cable Ties WIRE adhesive tape CONECTORS...
- Page 12 5-1:Guidance of disassemble the backrest pad assy. A：Unzip the zipper fixing big pillow and the backrest pad Locate the zipper Unzip the zipper B：Then discontent the hose for small pillow，remove big pillow and small pillow. (As the picture below) Remove the pillow Locate the hose Remove the pillow...
- Page 13 C:Take down the cover for small pillow Take down the cover D：Unzip the zipper of small pillow and take down the leather Unzip the zipper The leather has been taken down E: Push the paper up， unfasten the belt， discontent the hose， then we can change the air bag. Push the paper up Unfasten the belt...
- Page 14 Discontent the hose F: Unzip the zipper between backrest pad and backrest. (As the pictures below show.) Locate the zipper Unzip the zipper G: Find the other zipper between backrest pad and seat pad. Then unzip it. (As the pictures below show.) Locate the zipper Unzip the zipper...
- Page 15 Attention the colour Discontent the terminal of the heater I: Take off the backrest pad. Backrest pad has been taken off. J:At the middle of the rear of the backrest pad, we can find a sponge assy inside. (As the pictures below show) Locate the sponge Pull the sponge assy out.
- Page 16 K:Unzip the zipper， discontent the hose， then change the air bag . And discontent the terminal of the heater，then change the heater discontent the terminal of the Locate the zipper heater，then change the heater Pull out the air bag Discontent the hose then change air bag 5-2: Guidance of disassemble the backrest.
- Page 17 B: There is a hook at the bottom of the backrest. Pull the hook up then push the backrest forward. And then lay the backrest above the seat pad assy. ( As pictures below show.) Locate the hook Pull the hook as the yellow arrow show! Pull the hook up then push the The backrest has been lay...
- Page 18 E: At the front of the backrest actuator there is a bolt. The bolt fixed by a bin. Use pliers take off the bin first, Then remove the bolt. ( As pictures below show.) Locate the pin The pin has been taken out E: Hold the backrest vertically and pull it up, then we can take off the backrest.
- Page 19 C: Slacken and remove the screws which fixing the rear cover of backrest. Then take off the rear cover. Locate screws. The rear cover has been taken off D: Slacken and remove the four screws which fixing front cover to the backrest frame. Then we can take off the front cover of backrest.
- Page 20 The fabric has been detached. 5-4: Guidance of detach up & down limit sensor. A: Detach the rear cover of backrest. Then we can find up & down limit sensor. ( Refer to Guidance of detach rear cover of backrest.) Locate up limit sensor.
- Page 21 C: Use long nose pliers slacken and remove the screw nuts. Limit sensor has been detached. Remove the screw nuts. D: Use long nose pliers get ride of the glue, then disconnect the connecter. The limit sensor has been taken off. Get ride of the glue.
- Page 22 B: Take off the kneading belt first. Kneading belt has been taken off. C: Use diagonal cutter get ride of the cable ties which fasten the mechanism wires. Cable tie has been Locate cable ties. taken off. D: Use diagonal cutter peel the heat-shrinkable T bush slowly. ( As picture below show.) Be careful, don’t cut the wire Heat-shrinkable T bush has been...
- Page 23 Squeeze the close-end wire Close-end wire connecter connecter. has been removed. F: Slacken and remove the screws which fixing the kneading motor, then we can detach the kneading motor. Locate the screw. Kneading motor has been detached. 5-6: Guidance of change the counting sensor of rolling motor. A: Detach the rear cover of backrest.
- Page 24 B: Use diagonal cutter get ride of the cable ties which fasten the mechanism wires. Cable tie has been Locate cable ties. taken off. C: Use diagonal cutter peel the heat-shrinkable T bush slowly. ( As picture below show.) Be careful, don’t Heat-shrinkable T bush has cut the wire been peel off.
- Page 25 E: Use long nose pliers take off the close end wire connector of counting sensor of rolling motor. ( As pictures below show.) Close-end wire connecters have been taken off. F: Use long nose pliers get ride of the glue, and pry-out the counting sensor. Get ride of the glue.
- Page 26 5-7: Guidance of disassemble the massage mechanism. A: Detach the front cover and rear cover of backrest. ( Refer to Guidance of detach rear cover & front cover of backrest.) B: There are four screws fixing the top bar. ( As pictures below show.) C: Use a long nose pliers hold the screw nut firmly, then slacken and remove the screw.
- Page 27 E: Use diagonal cutter get ride of the cable ties which fasten the mechanism wires. Cable tie has been Locate cable ties. taken off. F: Use diagonal cutter peel the heat-shrinkable T bush slowly. ( As picture below show.) Be careful, don’t cut the wire Heat-shrinkable T bush has been peel off.
- Page 28 H: Use flat screw driver turn the rolling motor and drive the mechanism out of the guide rail. The massage mechanism has been taken off. 5-8: Guidance of change rolling motor unit. A: Detach the massage mechanism. ( Refer to Guidance of disassemble the massage mechanism.) Massage mechanism has been detached.
- Page 29 to the mechanism frame. ( As picture below show.) C: Slacken and remove the two screw which fixing the bearing cover. And then take the bearing out of the cover. ( As the picture below show.) C: Now the rolling motor unit can be taken off. 、...
- Page 30 5-9:Guidance of service the seat pad assy. A:Unzip the zipper between seet pad and backrest pad Locate the zipper Unzip the zipper B: Disconnect the air hose and the wire connecter of the seat pad. Then you can take off the seat pad.
- Page 31 5-10:Guidance of disassemble the side board. A：Detach seat pad assy.（Refer to Guidance of service the seat pad.） The spring has been taken down Seat pad assy has been detached. B：We can find two screws on each side board. Slacken and remove these two screw. Side board has been detached.
- Page 32 5-11: Guidance of disassemble main PCB. A：Slacken and remove the screws which fixing the PCB box cover. Then take off the main PCB box cover. Locate the screws that fixing the PCB box cover. Slacken and remove the screws that fixing the PCB box. Pull the PCB box cover out.
- Page 33 C: Use long nose pliers grip the head of PCB surpporter. Then use fingers lift the PCB up, then we can separate PCB from PCB surpporter. ( As the pictures below show.) Locate PCB surpporter. PCB has been separated from PCB supporters. 5-12: Guidance of disassemble the Transformer.
- Page 34 ( As picture below show.) Locate cable ties that fixing the transformer wires. D：Disconnect all the transformer connecters that connect to the main PCB. Then we can take off the transformer. ( As the pictures below show.) Locate of transformer wire（When 2 locate of transformer connecters.
- Page 35 5-13: Guidance of disassemble the Air valve. A: Take off the PCB box cover. And we can see air valve. ( Refer to GUIDANCE OF CHANGE MAIN PCB.) Locate air valve. B：Slack and remove the screws fixing the air valve Locate the screws fixing air valve.
- Page 36 E：The air valve has been taken down The air valve has been taken down 5-14: Guidance of disassemble Inflator Pump. A: Take off the PCB box cover. And we can see Inflator Pump. ( Refer to GUIDANCE OF CHANGE MAIN PCB.) Locate Inflator Pump.
- Page 37 C：Discontent the air hose Locate the air hose D: Slacken and remove the screws which fix the inflator pump belt. Locate screws. E: With help of long nose pliers we can pull the 4 inflator pump supporter out of the baseboard.
- Page 38 B：Cut the cable tie fixing the remote control wire. Cut the cable ties. The backrest has been detached. C: Get ride of the insulation tape. Then disconnect the connecter. Now the remote control has been detached. Remote control has been detached.
- Page 39 5-16: Guidance of disassemble actuator ， Detach the backrest assy. (Refer to Guidance of disassemble the backrest.） A． Detach the backrest pad assy and seat pad assy. (Refer to Guidance of disassemble backrest pad. Refer to Guidance of service the seat pad.) Backrest has been detached, seat pad has been detached, backrest pad has been detached.
- Page 40 F: At front and rear of footrest actuator there are bolt which fix the footrest actuator to the frame. Bolt at front of the footrest actuator. Bolt at rear of the footrest actuator. G: Remove these two bolts and we can detach the footrest actuator. The footrest actuator has been detached.
- Page 41 The backrest actuator has been detached. J：Remove the board below footrest，so that we can change ZERO-G actuator easily Slack and remove the 4 screws The board has been removed and remove the board Slack and remove the 4 screws Slack and remove the 4 screws The board has been removed...
- Page 42 K：Remove the bolt which fix the rear of the ZERO-G actuator.（Attention the frame drop，so first you must take something hold the frame） Hold the frame Bolt at rear of the footrest actuator. Bolt at rear of the footrest actuator. ZERO-G has been taken down 5-17: Guidance of change the lower side board.
- Page 43 C: Detach the backrest assy. ( Refer to Guidance of disassemble backrest.) D: Detach the side board. (Refer to Guidance of disassemble the side board.) E: Detach the main PCB box cover. ( Refer to Guidance of disassemble main PCB.) F: Slacken and remove the screws that fixing rear inner side board.
- Page 44 C：Disconnect footrest air hose, then cut the cable tie which fasten footrest air hose together. ocate air hose connecter. Locate cable tie. D: Find the bolt which joint the footrest and connecting rod together. Locate the bolt. E: Use pliers remove the bin first, then remove the bolt. Remove the pin by pliers.
- Page 45 D: Find two screws which fixing the footrest onto the chair. E: Slacken and remove the screw nut, then remove the screw. ( As picture below show.) F: After the two screws have been removed, then we can detach the footrest. G: Slacken and remove the screws which fixing the footrest supports.
- Page 46 H: Find the zipper heads of the footrest cover. And unzip the zipper. (As pictures below show.) The zipper has been Locate zipper heads. unzipped. I: Now we can remove the footrest cover. Footrest cover has been removed. J: Find connecters of air bag and disconnect it, Then we can take off the air bag and change a new one.
- Page 47 6: Main PCB connecter diagram. Backrest motors (tapping, kneading, rolling) Transformer output ～20.5V Z-G actuator (DC24V) Footrest actuator (DC24V) Transformer output ～20.5V Backrest actuator (DC24V) Seat pad vibration (DC12V) Remote control DC 5V to up & down 2units air valve limit sensor, counting sensor of rolling motor Inflator pump...