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CEREC / inLab MC XL - Frank`s Hospital Workshop
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1. 111 4 20 Replacing the block fastener 113 5 Cleaning the chucks eeeeeeeeer eren nnns 116 5 1 Block chuck and block clamping nut 117 5 2 Milling instrument chucks 120 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 5 The Dental Company General information CEREC inLab MC XL Sirona Dental Systems GmbH 1 General information Service Manual CEREC inLab MC XL 1 General information Contents 1 1 General information 8 1 2 Additional information eere ree 9 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 7 Nominal line voltage ranges Wireless phone interference with medical electrical equipment ESD warning label ESD protective measures Measurements When replacing parts Disposal General information The CEREC MC XL inLab MC XL milling unit can be operated in the following nominal line voltage ranges 100 230VAC 50 60 Hz Onore To ensure safe operation of medical electrical equipment the use of mobile wireless phones in practice or hospital environments is prohibited A caution Connector pins or sockets bearing ESD warning labels must not be touched or interconnected without ESD protective measures ESD protective measures include Procedures for preventing electrostatic charge build up e g air con
2. 100 4 9 5 Final ete nna ae 101 4 10 Replacing the suction connection 101 4 10 1 Preparations 101 4 10 2Removing the chassis 102 4 10 3Replacing the suction connection 102 4 10 4Installing the chassis insert 102 4 10 5Final eme aed bee ode 102 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL Contents 4 11 Replacing the light barrier 102 4 12 Replacing the milling chamber door 103 4 13 Replacing the air pump 104 4 14 Replacing the pressure switch 105 4 14 1Water pressure 105 4 14 2Air pressure switch 105 4 14 3Air pressure sensor CEREC MC XL only 106 4 15 Replacing the fan 106 4 16 Replacing the cooling pack 107 4 17 Replacing the water pump 108 4 18 Replacing the display 110 4 19 Adjusting the plunger pin 110 4 19 1G axis and M axis plunger pin 110 4 19 2B axis plunger pin
3. yes Contact hotline no Y Readjust G M axis locking pins Contact hotline 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 47 3 Troubleshooting Sirona Dental Systems GmbH Milling instruments come loose Service Manual CEREC inLab MC XL 3 5 Milling instruments come loose Milling instruments come loose Clean instrument chuck no Y Check torque wrench no Contact hotline 61 83 292 D 3439 48 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 3 Troubleshooting Service Manual CEREC inLab MC XL Milling chamber switch 3 6 Milling chamber door switch Error message Please close door of milling chamber appears even though door is closed v Activate service software Door switch EE Test door switch and readjust if necessary Yes Disconnect plug connection of door switch cable reed contact X5 and check door switch function with multimeter resistance measuring range With the door closed the switch is closed and displays a reading of 0 ohms Yes End X5 3 X54 gt ON X5 Replace door Switch OK Yes Remove controller board and reinsert it gt End Replace controller board Contact hotline 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 49 3 Troubles
4. If a connection has been made perform network configuration according to Chapter 1 1 of the instructions Communication with the milling unit Communication possible 5 eom Contact hotline 65 3 Troubleshooting Sirona Dental Systems GmbH LAN communication problems Service Manual CEREC inLab MC XL Continued from previous page Connection present yes no Y Check LAN cable Defective yes Replace LAN cable Connection crossover present no Y Check LAN interface board and socket Check Connection interface board present no Contact hotline Communication possible If a connection has been made perform network configuration according to Chapter 1 1 of the instructions Communication with the milling unit Communication possible Contact hotline 61 83 292 D 3439 66 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 3 Troubleshooting Service Manual CEREC inLab MC XL WLAN connection occasionally interrupted 3 20 WLAN connection occasionally interrupted WLAN connection occasionally Milling dropouts interrupted t Check distance between acquisition unit AU PC and milling unit MU Place AU PC and MU yes next to each other for configuration AU PC and M far apart
5. 32 2 3 14Milling Unit Info cs itte ter eot t t 39 Troubleshooting eeeereeeneenene 42 3 1 Force measurement errors 43 3 2 Stepping motor does not move 44 3 3 Faulty locking of block chuck 46 3 4 DC motor does not lock 47 3 5 Milling instruments come loose 48 3 6 Milling chamber door switch 49 3 7 Unit switches 50 3 8 Tank switch defect 52 3 9 Edges break otf rie eres 53 3 10 Insufficient air pressure 55 3 11 Holes in restoration 56 3 12 Stepping motor cannot be controlled 57 3 13 Faulty water pressure 58 3 14 Unit cannot find starting position 60 3 15 Unit cannot be turned on 61 3 16 TOUCH GEORG ied contig idee dta 62 3 17 Service life of milling instruments too short 63 3 18 Milling unit not addressable 64 3 19 LAN communication problems 65 3 20 WLAN connection occasionally interrupted 67 3 21 WLAN communication problems 68 TTE 70 4 1 Removing attac
6. Replug connector No Y Check plug connection in DC motor Yes Replace spindle motor No Y Replug connector in DC motor Contact hotline 61 83 292 D 3439 62 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 3 Troubleshooting Service Manual CEREC inLab MC XL Service life of milling instruments too short 3 17 Service life of milling instruments too short Service life of milling instruments too short Check flow of 3 nozzles both sides check for sufficient water throughput Blocked Yes Unscrew and clean nozzle plate No Install software version 3 10 or higher Software version 3 10 ee No Calibrate the milling unit Error message after calibration Yes gt Replace spindle motor No No error message but milling instruments still logged off Activate service software Remove DC DC motors touch DC molbrand check motors speed constant for humidity load and test DC motor DC motor error during software test Replace DC motor Yes housing seals O rings Yes gt No Replace housing Contact hotline seals O rings 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 63 3 Troubleshooting Sirona Dental Systems GmbH
7. inLab MC XL Block chuck and block clamping nut 2 Push the chuck gasket onto the chuck 1 Place the block clamping nut on the block axle so that the opening in chuck A lines up with the pins of block fastener B 2 Turn the block clamping nut clockwise approx 3 rotations 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 119 5 Cleaning the chucks Sirona Dental Systems GmbH Milling instrument chucks Service Manual CEREC inLab MC XL 5 2 Milling instrument chucks Gore Once a year Clean the chucks of the milling instruments and grease the threads Y The motors are in the position for changing the milling instruments burs 1 Unscrew the chuck and remove the milling instrument 2 Clean the inside and outside of the chuck with a supplied pointed cotton swab and undiluted ethanol commercially available cleaning alcohol LU When doing this rotate the cotton swab counterclockwise in order to push the dirt out 3 Clean the thread with a clean cloth and undiluted ethanol commercially available cleaning alcohol 4 Grease the thread very lightly 5 Clean the inside of the clamping cone with a pointed cotton swab and undiluted ethanol commercially available cleaning alcohol When doing this rotate the cotton swab counterclockwise in order to push the dirt out 6 Insertthe milling instrument in the chuck and screw in the chuck by hand Screw the milling instrument tight with the torque wre
8. Apply a light coat of the Loctite sealer included in the scope of supply to the threads of the shaft fastening screws 4 Screw the motor mount onto the shaft do not tighten the screws fully when doing this 5 Screw the motor mount and mount cover together The gap closes 6 Set the torque wrench to 1 1 Nm and screw the shaft fastening screws tight with the torque wrench 7 Tighten the fastening screws of the motor mount mount cover securely If a scanner is present gt Install the scanner see Screwing on the scanner 8 87 Tests and settings See Testing and setting the DC motor s B 84 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 83 Checking DC motor s with service software Adjusting the plunger pin Calibrate the milling unit If a scanner is present Performing a milling test with Bur Set 1 Performing a milling test with Bur Set 2 if present 84 Testing and setting the DC motor s Following the replacement of the DC motor s the following checks and settings have to be performed Onore Selecting the motor set Make sure to select the right motor set for checking the DC motor before starting the corresponding test 1 Perform the Media Supply test Air noticeably escapes from every DC motor 2 Perform the DC Motor Start Warmup test V The motor starts up or the motors warm up for at least 2 minutes 3 Perform the DC Motor Touch test 4 Perform the DC Motor Speed test 5 Perfor
9. Display Lighting m m m m Passed Not passed swt so s s Switch light barrier Door switch Tank switch The current state of the door switch and tank switch can be checked via a status bar display Test course Number of test runs MNN F FR Act 1 undefined 2 undefined 3 undefined 4 undefined Switches Door and tank switch Control keys The current state of the control keys can be checked via a status bar display 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 21 2 Description of the service software Sirona Dental Systems GmbH Individual Test Points Service Manual CEREC inLab MC XL Test course Number of test runs o MENEEEEREENEEERREE 1 undefined 2 undefined Tank undefined EWETHIPTZETPHET Switches Control keys Display Illumination The selected pattern is shown on the display as a display test The Illumination button tests all colors of the milling chamber illumination white milling default color blue scanning green operation completed error Stop button pressed Test course Number of test runs Current state of the test nun Lightbarier Left Block Right Ac Mh Act Mi Max Max Slot height Door switch 1 undefined 2 undefined Tank undefined Control buttons 1 undefined 2 undefined 3 undefined 4 undefined Display Lighting
10. Milling unit not addressable Service Manual CEREC inLab MC XL 3 18 Milling unit not addressable Milling unit not addressable despite accepted IP address IP address of milling unit xxx xxx xxx 000 or XXX XXx xxx 255 Go on to troubleshooting N instructions Communication problems with LAN WLAN Yes Y Replace Phycore XC 161 microcontroller module Ref 6152040 61 83 292 D 3439 64 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 3 Troubleshooting LAN communication problems 3 19 LAN communication problems Communication problems between acquisition unit PC and milling unit Connection made with correct LAN cable crossover red sockets Check for correct Connection yes connection socket Nr resent on milling unit no no Y Y Connect Check status of corresponding LAN connection crossover cable in Windows Network Connections menu Connection present no v Switch units off amp on Connection present Click on network connection with right mouse button and deactivate activate or repair connection in Network Connections window Continued on next page 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Communication possible yes End
11. The entire LOG box can be viewed by scrolling up down 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 35 2 Description of the service software Sirona Dental Systems GmbH Individual Test Points Service Manual CEREC inLab MC XL Test sequence Diagnose Hilfe fur Service Initialization of the frame grabber Checking the RGB adjustment calibration Telecentry with covered aperture relative parallax angle Relative intensity of covered to open aperture Initializations for calibration loading standard data etc LED calibration Piezo calibration Image position calibration Plane calibration Calibration of height scale telecentry and difference image Errors can occur while you are carrying out the test steps Here it is important to follow the instructions The camera quick test also includes several Service functions which can be started in the Service menu and in the pull down menus Go Service functions can only be selected when the test run is stopped To end a service function select a button to continue the test run e g Next Service functions consist of Protocol Live image Lifting magnet e LED Slide alignment 61 83 292 D 3439 36 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 2 Description of the service software Service Manual CEREC inLab MC XL Individual Test Points Protocol Test sequence Diagnose Hilfe fur Service Initialization
12. nipple for each of the 3 manifolds Then reattach the nipple holder to the manifold 11 Unscrew the 4 fastening screws from the milling machine with a 6 mm Allen key A caution Parts protruding inside Be careful not to damage any parts that protrude inside 12 Carefully lift out the milling machine and put it down in a safe place 4 8 2 Installing the milling machine A caution Parts protruding inside Be careful not to damage any parts that protrude inside 1 Insert the milling machine carefully 2 Bend the copper band on each foot over and screw the milling machine down tight using 4 screws and washers Also screw ground conductor A tight at the rear right Inserting the manifolds 61 83 292 D 3439 96 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 4 Repair Service Manual CEREC inLab MC XL Replacing the tank switch 3 Pulloffthe nipple holder from each of the 3 manifolds and insert the offset nipple with the same color in each of the hoses Then reattach the nipple holder to the manifold 4 Insert the 3 manifolds in their respective guides on the cable holder Inserting the cable harness Place the cable harness in the cable holder 7 6 Plug connector X1 into the milling chamber lighting 7 Connect reed contact connector X5 8 Plug connectors GX1 BX1 and into the respective distribution board 9 Plugin the radio module 10 Fasten the cables with cable ties 11 Install t
13. the milling unit Check if tank is properly seated in chassis insert Activate service software Light barr door switch Check tank switch function with service software Contact hotline no Y Replace tank switch 61 83 292 D 3439 52 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 3 Troubleshooting Service Manual CEREC inLab MC XL Edges break off 3 9 Edges break off Edges break off Check milling instruments Change milling Milling instruments instruments worn no Y Check block fastening block chuck for dirt contamination yes Clean block chuck no v Check fastening of spindle motor unit Activate service software light barrier door switch temp sensor motor stop pos Clamp block and activate option Adjustment Block closed Check seating of spindle motor unit with the milling chamber door open Continued on next page 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 53 3 Troubleshooting Sirona Dental Systems GmbH Edges break off Service Manual CEREC inLab MC XL Continued from previous page Tighten clamping flange with yes torque wrench 1 1Nm no Y Check tension of milling instrument axles Activate service
14. Service Manual CEREC inLab MC XL Description of the service software Contents 2 1 General information ennum nnna 13 2 2 Basic structure of test dialogs 14 2 3 Individual Test Points 19 2 3 1 Serial Communication 19 2 3 2 Media SUpply exi o pe ud e Rap d EE 20 2 3 3 Light Barriers Door Switch Temperature Sensor and Motor Stop Positions 21 2 3 4 Stepping motor 23 2 3 5 Stepping motors Single step 24 2 3 6 Stepping motor Step response 26 2 3 7 DC motors 27 2 3 8 DO motors LOUGH a e teet e cede toc 28 2 3 9 DC motors 29 2 3 10 SENSOR TOSt a La restet a rei opa cepa opa dus 30 2 3 11 Force sensor 31 2 3 12 Continuous load iiri rn hana 32 2 3 13 Camera quick 32 2 3 14 Milling Unit ITO ees 39 61 83 292 D 3439 12 D 3439 076 01 02 02 03 2008 Test requirements Service software log file Assessment scores 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 General information Requirement for all tests PC acquisition u
15. course Number of test runs 1 cmentsoteotte ttn MENNNEEEEEEEEN 1 Steps Stepping motor Step response 1 Height of step 7 to 7 Recommended setting 7 2 Response time of damping behavior in ms Procedure A test cycle is run following each start If no motor is selected the START button is not active 61 83 292 D 3439 26 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 2 Description of the service software Individual Test Points 2 3 7 DC motors Load inlet Purpose of Test This test serves to run in the DC motors and check them for proper functioning under continuous load Procedure The DC motors are tested through operation at a constant current The resulting speed provides an indication of the running resistance of the motor Test course Number of test runs 1 Cuvent stave ofthe testrun MENNEENEEEEEEEREERENI Curent E mA Test results Passed fully Stepping motors Load Run in 1 Force reference value 3 Measure of speed fluctuations 2 Actual speed The two motors left motor right motor can be selected together or separately The speed range of the DC motor can be tested selectively via the adjustable motor current If no motor is selected the START button is not active Default Both motors selected Test run The test runs in an endless loop until the Stop button is actuated The current measured values are displayed A test run cons
16. of the frame grabber Checking the RGB adjustment Camera calibration Telecentry with covered aperture relative parallax angle Relative intensity of covered to open aperture Checking the quality of the search image ight time noise with filtering 1 x 2 x 4 Initializations for calibration loading standard data etc LED calibration Piezo calibration Image position calibration Plane calibration Calibration of height scale telecentry and difference image Protocol Select Service Protocol save to create a protocol log file during the test run To view the protocol select Service Protocol Display Select Return to close the protocol log file display Live image Test sequence Diagnose Hilfe fur Service Initialization of the frame grabber Checking the RGB adjustment Camera calibration Telecentry with covered aperture relative parallax angle Relative intensity of covered to open aperture Checking the quality of the search image ight time noise with filtering 1 x 2 x 4 Initializations for calibration loading standard data etc LED calibration Piezo calibration Image position calibration Plane calibration Calibration of height scale telecentry and difference image Live image Moving grid Search image Int LED on standing grid Search image with standing grid visible grid stripes Int LED off standing grid Search image with internal LED deactivated so that objects ca
17. present gt Disconnect the scanner connectors Removing the motor 1 Remove the fastening screws of the motor being replaced 2 Pull this motor out of the motor mount 3 If necessary pull the connector strip out of the motor scanner sockets and connect it to the sockets in the milling unit Replacing the O rings p NOTE O rings Use the O rings supplied with the unit 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 79 4 Repair Sirona Dental Systems GmbH Replacing the DC spindle motors Service Manual CEREC inLab MC XL 1 Pull the mount cover off of the shaft A caution Do not damage the cables When removing the mount cover be careful not to damage any electrical connecting cables Place the sockets in the shaft 2 Pull the front O ring off of the shaft and replace it with a new one 3 Pull the O rings off of the air connector light blue and the water connector blue and replace them with new ones A O ring shaft C Air connector B Water connector 61 83 292 D 3439 80 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 4 Repair Service Manual CEREC inLab MC XL Replacing the DC spindle motors 4 2 2 2 Installation Onore Use the spare parts supplied Use the O rings screws and seals supplied with the unit Attaching the motor to the motor mount Io A O ring C Holes for air and water connections B Power cable guide D Mount cover gasket v The first O rin
18. quit without saving If Yes Quit without saving is then selected the data just measured will be lost There are three different scores which can be assigned to test results passed fully Passed fully green label passed Passed yellow label notpassed Not passed red label The area which passed may be irrelevant for a specific test In that case n a not applicable will be written to the log file for this area Oo Assessment scores Passed fully If all test results are scored Passed fully flawless operation of the system is possible Passed If the test results are scored Passed uncritical changes have occurred Not passed If the test results are scored Not passed you must find and eliminate the cause A caution Keep the cover closed If the milling unit housing is left open the temperature switch on the controller board may cut out after a short time T gt 90 C The cooling fan can work properly only with the cover closed 13 2 Description of the service software Sirona Dental Systems GmbH Basic structure of test dialogs Service Manual CEREC inLab MC XL Milling chamber Milling chamber A Scanner Bur Set 2 Scanner window Ceramic block Workpiece spindle m m B C Motor mount D Bur Set 1 Block clamping nut D6 D10 Availability of the test options Some tests e g motor set 2 are selectable only with inLab MC XL or with CEREC MC XL with a second bur se
19. stepping motors The stepping motors are tested and evaluated for this purpose In addition this test can also be used to break in the milling machine NATTENTION Blocks in the block axle Remove any blocks possibly present from the block axle It is possible to individually trigger and test the stepping motors in various combinations The stepping motors are run at various speed settings and evaluated via an acceleration table In order to satisfy different requirements for adjustment and testing purposes this test also offers the option of choosing between data summation and display of the results for individual test runs 23 D 3439 076 01 02 02 03 2008 2 Description of the service software Sirona Dental Systems GmbH Individual Test Points Service Manual CEREC inLab MC XL Test course Number of test runs 2 Current state of the test run 1 Torque Ce ES F Unregulated NO NON Stepping motor test 1 Activation of the stepping motors at a variously adjustable torque recommended setting 4 2 Longit movement linear 3 Rotary movement rotation 2 3 5 Stepping motors Single step Warning notice Caution Make sure thatthe elements in the milling chamber do nottouch each other Do not run the motors too far toward the front Warning on stepping motor test Oo Observe the warnings in the opened dialog Purpose of Test The test is used to control the motor
20. to the thread 11 Once you have adjusted the plunger pin apply one drop of Loctite 221 to the thread 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 4 Repair Service Manual CEREC inLab MC XL Replacing the block fastener 4 20 Replacing the block fastener Removing the block fastener Y The milling unit is in the Home position Y The block fastener pin is in 9 o clock position NCAUTION Do not twist the block axle The pin of the new block fastener must also be in 9 o clock position after installation When screwing the block clamping nut in and out make sure that the block axle is not twisted 1 Unscrew the block clamping nut to be replaced counterclockwise and remove it 2 Remove dirt and any possible water residue from inside the block axle e g with a swab from the cleaning set 3 Loosenthe block fastener with an Allen screw 1 3 mm counterclockwise approx 3 rotations 4 Pull out the block fastener using the flat pliers 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 113 4 Repair Sirona Dental Systems GmbH Replacing the block fastener Service Manual CEREC inLab MC XL Installing the block fastener 1 Insert the block fastener as far as it will go and tighten it 2 Check if the pin of the block fastener is in 9 o clock position A Block fastener Block axle C Pin of block fastener 3 Ensure that the block fastener is installed properly using the flat plie
21. wheel N on the stepping motors LA NS Encoder N lt 2 Ye Fasten encoder wheel OK gt Yes End d E P aii Y Check cable track No guide Qable track i V 2 falls down during rotary motion and gt Rearrange hose path of cable lt OK Yes gt End blocks longitudinal track _ movement N Contact hotline N nf 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 45 3 Troubleshooting Sirona Dental Systems GmbH Faulty locking of block chuck Service Manual CEREC inLab MC XL 3 3 Faulty locking of block chuck Error message Error closing lock Clean block chuck no Y Check B axis plunger pin for axial mobility Readjust yes B axis plunger pin no Y Replace and readjust B axis plunger pin Mount block clamping nut correctly and turn slightly Insert block and block clamping nut and screw on loosely by hand no Contact hotline 61 83 292 D 3439 46 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 3 Troubleshooting Service Manual CEREC inLab MC XL DC motor does not lock 3 4 DC motor does not lock DC motor does not lock when changing milling instruments Activate service software Motor stop positions Check stop position
22. 1 Side A flat surface Calibration Set B If Box B appears please set Calibration Set B to the 3D camera Camera calibration Camera calibration 61 83 292 D 3439 34 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 2 Description of the service software Service Manual CEREC inLab MC XL Individual Test Points Test sequence Diagnose Hilfe fur Service Initialization of the frame grabber Checking the RGB adjustment Camera calibration Telecentry with covered aperture relative parallax angle Relative intensity of covered to open aperture Checking the quality of the search image ight time noise with filtering 1 x 2 x 4 Initializations for calibration loading standard data etc LED calibration Piezo calibration Image position calibration Plane calibration Calibration of height scale telecentry and difference image Result If a yellow results box appears select the Next button to continue the sequence Test sequence Diagnose Hilfe fur Service Initialization of the frame grabber Checking the RGB adjustment Camera calibration Telecentry with covered aperture relative parallax angle Relative intensity of covered to open aperture Initializations for calibration loading standard data etc LED calibration Piezo calibration Image position calibration Plane calibration LOG box The results of the completed test steps are shown in the LOG box during the sequence
23. 3 2008 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 2 Description of the service software Individual Test Points H All existing data can be saved to the log file by pressing the Save button The data are appended to the previously existing log file if the current test run has not yet been saved If no data exist a message to that effect will appear confirm with OK Once a test run has been saved to the log file a new test run must be started before selecting the save function again Press Back to quit the test dialog and return to the service dialog If any data exist and have not yet been saved you will be asked whether or not the test data should be saved J Result No color No measurement available yet green Test passed fully yellow Test passed red Test not passed 2 3 Individual Test Points 2 3 1 Serial Communication The test is primarily used to measure the speed and quality of data transmission This is especially important if the system is not operated via the network cable LAN but rather via other types of connections such as e g WLAN AdHoc Infrastructure The transmission time between the beginning of transmission and the end of reception is calculated for a specific record on the PC A test run comprises one complete transmission in both directions The values thus measured are then saved to the log file Test course Number of test r
24. Attaching the motor to the motor mount A O ring in the motor mount C Holes for air and water connections B Power cable guide D Mount cover gasket v The first O ring on the shaft and the O rings of the air light blue and water blue connections have been replaced Y The upgrade kit has been installed and is complete 1 If the mount cover gasket D has become loose Remove all adhesive residue and adhere a new gasket to the mount cover 2 Replace the O ring in the motor mount A Apply a small amount of lubricant to the O ring prior to installation and make sure that it does not slip Oo Hold the motor mount in a horizontal position to prevent the O ring in the motor mount A from slipping 3 Fold the cables of the DC motor down so that the red dot points toward the motor 61 83 292 D 3439 76 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 4 Repair Service Manual CEREC inLab MC XL Replacing the spindle motors A Motor O ring D Power supply cable B Spindle motor E Hole for air connection C Bulge Grease motor O ring of the motor A and the bulge C sparingly Place the motor B in the motor mount The hole for the air connection E must lie on the O ring in the motor mount 6 Insertthe power supply cable D in the motor mount guide provided for this purpose 7T Apply a light coat of the Loctite sealer included in the scope of supply to the threads of the motor fastening screws On
25. C XL Repair Contents 4 1 Removing attaching covers eere 4 2 Replacing the DC spindle motors 4 2 1 DC motor single seessessess 4 2 2 DC motor 4 2 3 Testing and setting the DC motor s 4 2 4 Chuck of milling instrument broken 4 3 Replacing retrofitting the 4 3 1 Removal iet Re er toad eei iu 4 3 2 MNS VAIO exes t Dee Sho ead 4 3 3 Testing and setting the scanner 4 4 Replacing the controller board microcontroller module 4 5 Replacing the WLAN module es 4 6 Replacing the milling chamber lighting 4 7 Replacing stepping 4 7 1 BR stepping 4 7 2 GR MR stepping motor 4 8 Replacing the milling machine 4 8 1 Removing the milling machine 4 8 2 Installing the milling machine 4 9 Replacing the tank switch eere 4 9 1 Preparations eto 4 9 2 Removing the chassis 4 9 3 Repla
26. New as of 03 2008 CEREC inLab MC XL Service Manual English 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Contents General information nnmnnn 7 1 1 General information sssssssss 8 1 2 Additional information 9 Description of the service software 12 2 1 General information 13 2 2 Basic structure of test dialogs 14 2 3 Individual Test Points 19 2 3 1 Serial 19 2 3 2 Media supply eoe rut eet reni 20 2 3 3 Light Barriers Door Switch Temperature Sensor and Motor Stop Positions 3 ot 21 2 3 4 Stepping motor 23 2 3 5 Stepping motors Single step 24 2 3 6 Stepping motor Step response 26 2 3 7 DC motors Load inlet 27 2 3 8 DG motors TOUGH rennen inns 28 2 3 9 DC motors 29 2 3 10 Sensor test nado e eben ce dx 30 2 3 11 Force sensor 31 2 3 12 Continuous load unus f US 32 2 3 13Camera quick
27. No 61 45 853 CEREC inLab MC XL wiring diagrams Order No 61 39 278 CEREC inLab MC XL Operating Instructions CEREC MC XL Order No 61 46 885 inLab MC XL Order No 61 39 237 Documents Operating the MC XL via LAN 61 90 503 Operating MC XL via WLAN in the Ad hoc mode 61 90 545 Operating MC XL via WLAN in infrastructure mode Restoring default settings 61 90 560 Tools Allen key angled size mm 1 27 0 05 1 3 6 Open end wrench size mm 6 10 TORX screwdriver size 6 8 10 20 Phillips screwdriver size 1 Blade screwdriver insulated sizes 2 and 3 Box wrench 6mm 7mm Universal pliers Flat pliers Torque wrench 1 1 Nm Feeler gauge 0 1mm 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 9 1 General information Sirona Dental Systems GmbH Additional information Service Manual CEREC inLab MC XL Auxiliary tools amp equipment Digital Multimeter Accuracy Class 1 Soldering tool for repairing cables Diagonal nosed cutting pliers Cable ties Teflon tape Loctite 221 Calibration set supplied with unit Step Bur 12 and Step Bur 20 Torque wrench for changing the milling instruments order no 61 19 346 Fuses recommended F1 2 pcs T5H250V Order No 20 33 111 61 83 292 D 3439 10 D 3439 076 01 02 02 03 2008 3B ONE The Dental Company Description of the service software CEREC inLab MC XL 2 Description of the service software Sirona Dental Systems GmbH
28. Repair Service Manual CEREC inLab MC XL Replacing the DC spindle motors 4 Measure the test block see the dimensions given in section Performing a milling test with Bur Set 1 5 Reset the system to the right milling instruments for Bur Set 1 Onore Settings of milling instruments Milling results will be faulty if the settings of the milling instruments in the software do not match the milling instruments currently inserted into the corresponding milling set 4 2 4 Chuck of milling instrument broken Y Sometimes the chuck may break off in the area of the thread and the broken part may then remain in the hollow shaft of the DC motor gt Usea milling instrument i e Step Bur 12 or Step Bur 20 to pull screw the broken chuck out of the hollow shaft 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 85 4 Repair Sirona Dental Systems GmbH Replacing retrofitting the scanner Preparation Survey of parts based on double DC motor Unscrewing the scanner Removing mount cover with scanner 86 Service Manual CEREC inLab MC XL 4 3 Replacing retrofitting the scanner 1 Switch the milling unit off at the main switch 0 2 Open the milling chamber door Cable D Sensormounting plate Torx screw long E Bur Set 2 Torx screw short F Bur Set 1 4 3 1 Removal 4 3 1 1 Removal for replacement 1 Remove both Torx screws from the scanner 2 Carefully pull the scanner off of the sensor mounting pl
29. XL Replacing the controller board microcontroller module Removing the board 4 Loosen the knurled screw and remove the metal cover 5 Fold the two black clips outwards and pull out the controller board Replacing the controller board 1 Pull off the microcontroller module 2 Plug the microcontroller module into the new controller board Replacing the microcontroller module 1 Pull off the defective microcontroller module A caution The unit must be recalibrated Following replacement of the microcontroller module the device must be recalibrated see the chapter Calibrating the unit in the operating instructions 2 Plug the new microcontroller module into the controller board 3 After installing the controller board perform the settings as described in the subchapter Settings after replacing the microcontroller module Installing the controller board 1 Insert the controller board in the rails and fold the two black clips inwards 2 Screw the metal cover on tight with the knurled screw 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 89 4 Repair Sirona Dental Systems GmbH Replacing the controller board microcontroller module Service Manual CEREC inLab MC XL 3 Insert guide pins Z in the cover and push the cover upward until it snaps into place 4 Reinsert the drawer Settings after replacing the microcontroller module 1 Start the user software CEREC 3D inLab 3D 2 Select the menu it
30. Y Check signal strength of WLAN connection Signal strength too weak although AU Check antenna connection PC and MU next to each in AU PC and MU other Activate service SW Ser Communication and test for approx 5 min Change WLAN channel Change WLAN channel Signal strength in MU 1 or 11 in AU PC 1 or 11 very good however Ad Hoc See also screenshots in see also screenshots in iling dropouts y mode instructions instructions Communication with the Communication with the milling unit milling unit Infrastructure mode Change WLAN channel access point 1 or 11 No change required in MU and AU PC See also screenshots in instructions Communication with the milling unit Contact hotline 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 67 68 3 Troubleshooting WLAN communication problems Communication problems between AU PC and MU No WLAN bridge plugged in on rear Side no Check LEDs of RJ45 socket disconnect and replug bridge between LAN socket and WLAN Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 3 21 WLAN communication problems yes bridge v Yellow LED briefly flashes and yes green LED lit connection established Check status of corresponding WLAN connection i
31. astening screws 4 Screw the motor mount onto the shaft do not tighten the screws fully when doing this 5 Screw the motor mount and mount cover together The gap closes 6 Set the torque wrench to 1 1 Nm and screw the shaft fastening screws tight with the torque wrench 7 Tighten the fastening screws of the motor mount mount cover securely If a scanner is present gt Install the scanner see Screwing on the scanner B 87 Tests and settings See Testing and setting the DC motor s B 84 78 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 4 Repair Service Manual CEREC inLab MC XL Replacing the DC spindle motors 4 2 2 DC motor double A Fastening screws shaft D Mount cover B Fastening screws motor E Fastening screws motor mount mount cover C Motor mount 4 2 2 1 Removal Preparation 1 Check which spindle motor must be replaced 2 Switch the milling unit on The motors move into the home position 3 Switch the milling unit off at the main switch 0 4 Openthe milling chamber door If a scanner is present Remove the scanner see Unscrewing the scanner B 86 Removing the motor unit 1 Remove the fastening screws of the mount cover 2 Remove the fastening screws of the shaft 3 Pull the motor mount together with the motor off of the shaft and the mount cover At the same time unplug the power supply connectors If a scanner is
32. at the camera must be calibrated before it is used in the camera quick test This enables the test steps to produce correct results Checking the RGB adjustment is the only test step which can produce correct results without the calibration process being completed The test results are indicated in three colors Green fully passed Yellow passed Red not passed NCAUTION Failed tests may be due to a badly prepared calibration set The uniformity of the powder coating should then be checked It should also be noted that test failures may be the result of a faulty camera cable or PC slide in module In the test step labeled Entry of the header data a 4 to 6 digit number must be entered for the serial number card Carrying out the Closing the frame grabber test step involves generating a protocol log file of the completed tests to be stored as a file in the CEREC System Service Protocols folder The file name includes the date and time of the test as well as the camera serial number if this was entered in the Entry of the header data test step If a test step has been carried out several times the latest result is entered in the protocol 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 2 Description of the service software Service Manual CEREC inLab MC XL Individual Test Points 2 3 14Milling Unit Info This dialog box contains information on the connected milling unit and the milling t
33. ate and let it hang to one side from the cable NATTENTION Do not damage the cables Do not damage the cable when pulling off the scanner 3 Remove both Torx screws from the sensor mounting plate 4 Pull off the sensor mounting plate 1 Remove the motor unit see Removing the motor unit in chapter DC motor single double 2 Disconnect the scanner connectors 3 Pull the mount cover with the scanner off of the shaft 4 Replace the O rings see Replacing the O rings in chapter DC motor single double 4 3 1 2 Removal for retrofitting 1 Remove the motor unit see Removing the motor unit in the chapter DC motor single double 2 Pull the mount cover off of the shaft 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 4 Repair Replacing retrofitting the scanner 3 Replace the O rings see Replacing the O rings in the chapter DC motor single double 4 3 2 Installation Onore Supplied screws Use the screws supplied with the unit Installing mount cover with scanner Mount cover with scanner above single below double A caution Do not damage the cables Do not damage the cable when pushing the mount cover on 1 Screwing on the scanner 1 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Push the mount cover with scanner onto the shaft and let the scanner hang from the cable laterally Connect the scanner con
34. by clicking the buttons in the bottom right part of the screen Operation When carrying out the test steps in the specified order which is not recommended only the next button need be used Gor In many cases clicking next is the same as pressing Return To select individual test steps either select the test step by clicking it with the left trackball button so that it is highlighted blue and then press jump or double click the test step Test steps can also be selected by choosing Next previous or repeat Select Stop to stop the process After you click Stop the button remains highlighted until the sequence has actually stopped Stop then returns to its normal shading and the sequence can be continued by selecting the corresponding buttons Select Exit to exit the test run If the test run is terminated without executingthe test step Closing the frame grabber or Service Protocol save no protocol log file is saved If a blue dialog box appears you must select next to continue the sequence after following the instructions contained in the box 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 33 2 Description of the service software Sirona Dental Systems GmbH Individual Test Points Service Manual CEREC inLab MC XL Calibration Set A If Box A appears please set Calibration Set A to the 3D camera Checking the RGB adjustment Checking the RGB adjustment
35. cing the tank switch 4 9 4 Installing the chassis insert 4 9 5 Final WOM ert ith rtr tne atten 4 10 Replacing the suction connection 4 10 1 Preparations sse 4 10 2 Removing the chassis insert 4 10 3 Replacing the suction 4 10 4 Installing the chassis insert 4 10 5 Final WOIK eR eterno cte aret 72 74 74 79 84 85 86 86 87 88 88 91 91 92 92 93 94 94 96 97 97 98 100 100 101 101 101 102 102 102 102 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 4 Repair Service Manual CEREC inLab MC XL 4 11 Replacing the light barrier esee 102 4 12 Replacing the milling chamber door 103 4 13 Replacing the air pump eene 104 4 14 Replacing the pressure switch 105 4 14 1 Water pressure switch 105 4 14 2 Air pressure switch ssssssss 105 4 14 3 Air pressure sensor CEREC MC XL only 106 4 15 Replacing the fan unit usse 106 4 16 Replacing the cooling 107 4 17 R
36. ditioning air moistening conductive floor coverings and non synthetic clothing Discharging the electrostatic charges of your own body on the frame of the unit the protective ground wire or large metallic objects Connecting yourself to ground using a wrist band Always switch off the unit before connecting the measuring instrument Select the correct current voltage type and adjust the measuring range to match the expected readings Perform continuity tests only on units which are switched off J WARNING Potentially lethal shock hazard when working near the power supply unit Disconnect from the line power supply Check for zero potential Switch the unit off and disconnect the power plug before replacing parts The article numbers for ordering spare parts can be found in the spare parts list Order No 61 45 853 The diagrams contained in the spare parts list provide a useful guide when replacing parts Before replacing the boards observe the ESD protective measures Observe the information on disposal in the relevant operating instructions 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 1 General information Service Manual CEREC inLab MC XL Additional information Installation site Observe the information on the installation site in the relevant operating instructions 1 2 Additional information In addition you also require CEREC inLab MC XL spare parts list Order
37. e the fastening screws of the shaft 3 Pull the motor mount together with the motor off of the shaft and the mount cover At the same time unplug the power supply connectors If a scanner is present Disconnect the scanner connectors 61 83 292 D 3439 74 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 4 Repair Service Manual CEREC inLab MC XL Replacing the DC spindle motors Removing the motor 1 Remove the fastening screws of the motor 2 Pull the motor out of the motor mount 3 Ifnecessary pull the plug connector strip out of the motor scanner socket and connect it to the socket in the milling unit Replacing the O rings o NOTE O rings Use the O rings supplied with the unit 1 Pull the mount cover off of the shaft A caution Do not damage the cables When removing the mount cover be careful not to damage any electrical connecting cables Place the sockets in the shaft 2 Pull the front O ring off of the shaft and replace it with a new one 3 Pull the O rings off of the air connector light blue and the water connector blue and replace them with new ones A O ring shaft C Air connector B Water connector 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 75 4 Repair Sirona Dental Systems GmbH Replacing the DC spindle motors Service Manual CEREC inLab MC XL 4 2 1 2 Installation Oo Use the spare parts supplied Use the O rings screws and seals supplied with the unit
38. eful not to brush against the milling instruments with your hand 1 Press the catch of the milling chamber door and open the door 2 Unscrew the block clamping nut to be replaced counterclockwise and remove it Removing the chuck 1 Use screwdriver to pry out the chuck gasket 2 Place the block clamping nut on a rigid support as shown and push the chuck out Cleaning and greasing 1 Cleanthe inside ofthe block axle with a cotton swab and undiluted ethanol commercially available cleaning alcohol 2 Clean the inside of the chuck with a cotton swab and undiluted ethanol commercially available cleaning alcohol 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 117 5 Cleaning the chucks Sirona Dental Systems GmbH Block chuck and block clamping nut 118 Service Manual CEREC inLab MC XL 3 Clean the inside of the blocking clamp nut with a cotton swab and undiluted ethanol commercially available cleaning alcohol 4 Grease the stop edge of the chuck and the block clamping nut lightly with the supplied grease Do this using the rounded off cotton swabs supplied for this purpose 5 Grease the thread of the block clamping nut lightly 1 Place the chuck on a rigid support as shown and push the block clamping nut on top of it until it locks in place 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 5 Cleaning the chucks Service Manual CEREC
39. em Settings Configuration Devices Wil Select milling unit 0 105 100105 Refresh status Add automatically m Add manually Configure Configuring devices 3 Note the device name and IP address of the milling unit where you replaced the microcontroller module 4 Select the milling unit in the Add Device window and click the Remove button 5 Switch the milling unit on 6 Click the Add manually button Add Device dialog box opens 61 83 292 D 3439 90 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 4 Repair Replacing the WLAN module 7 Change the Interface setting to Network 8 Enter the following IP address in the Host field 192 168 230 10 9 Confirm with the OK button A download of the current software to the milling unit then follows 10 Select the milling unit which was added and click the Configure button 11 Enter the device name Description and the IP address you noted previously and save these settings Oo Additional Documents You will find more information on network configuration in the following documents Operating the MC XL via LAN 61 90 503 Operating MC XL via WLAN in the Ad hoc mode 61 90 545 Operating MC XL via WLAN in infrastructure mode Restoring default settings 61 90 560 12 Calib
40. em from a standing start to operating speed and then measuring the relevant data e g speed and current 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 29 2 Description of the service software Sirona Dental Systems GmbH Individual Test Points Service Manual CEREC inLab MC XL 2 3 10Sensor test Purpose of Test This test serves to evaluate the functioning and accuracy of the scanner Test course Number of test runs S BAA 1 F Dark voltage LD on 2 F Dark voltage LD off 3 F Position value mm yu 1040 4 width 0525 05250525 5 F Triang angle deg 358 359 359 a F capuri renge close mm 12500 2530 1250 T Capreraneremote mn 25000000 0250000001 12500008 7 F RMS temporally 10818 RMS spatially 8 A F Peak min max spatially Test results Passed fully 5 Passed O Notpassed 0 HM Sensor test 1 Laser active signal level 6 Measuring angle 2 Laser inactive signal level 7 Dimension of noise level 3 Distance between scanner 8 This test is deactivated in and measuring point the factory setting 4 Focal size 9 Scanner 5 Selection of laser diode Procedure The various required measurements are performed with the help of the calibration phantom The functions to be tested can be selected in different variat
41. eplacing the pressure switch 4 14 1 Water pressure switch 1 Remove all covers except for the right cover Water pressure switch 2 3 4 5 6 Pull the connector off of the pressure switch Unscrew the pressure switch Seal the thread of the new pressure switch with teflon tape and screw it tight Plug the connectors into the new pressure switch Reattach all covers 4 14 2Air pressure switch 1 Remove all covers except for the right cover 9hPa inLab MC XL 9mbar 50hPa 50mbar Air pressure switch 2 3 4 Pull the connector off of the pressure switch Unscrew the pressure switch Seal the thread of the new pressure switch with teflon tape and screw it tight Plug the connectors into the new pressure switch 105 4 Repair Sirona Dental Systems GmbH Replacing the fan unit Service Manual CEREC inLab MC XL 6 Reattach all covers 4 14 3Air pressure sensor CEREC MC XL only 1 Remove all covers except for the right cover CEREC MC XL 50hPa 50mbar Air pressure sensor 2 Disconnect connector X19 3 Unscrew the pressure sensor 4 Sealthe thread of the new pressure sensor with teflon tape and screw it tight 5 Connect connector X19 6 Reattach all covers 4 15 Replacing the fan unit 1 Remove all covers except for the right cover Replacing the cooling unit 2 Unscrew the 4 screws on the rear side of the cooling pack TX 20 screwdri
42. eplacing the water 108 4 18 Replacing the display eere 110 4 19 Adjusting the plunger pin eese 110 4 19 1 G axis and M axis plunger pin 110 4 19 2 B axis plunger 111 4 20 Replacing the block fastener 113 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 71 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 4 Repair Removing attaching covers Removing attaching covers 4 1 A caution All of the unit s housing covers must always be attached during milling and scanning operations Covers 9 o t fe oO x XT XT o o zi ogo gt gt gt 6 0 8 6 D de gt D D c o gm 2 215 G S a uc olo E 810 x gt gt 12 gt 18 2 pex 61 83 292 D 3439 3439 076 01 02 02 03 2008 72 Sirona Dental Systems GmbH 4 Repair Service Manual CEREC inLab MC XL Removing attaching covers Removing the covers A caution Conductor with connector X15 on cover right When removing Remove right cover l carefully and pull off connector X15 1 Rem
43. eriod Run time Pause time Air circuit 1 Air circuit 2 Water pressure Stepping motors Motor left Motor right Speed Current Motor set 2 Motor left Motor right Speed Current Water pump Air pump Fan Continuous load 2 3 13Camera quick test The camera quick test consists of a series of individual test steps which can be carried out both in the specified order and individually Onorte Experienced service engineers Some test steps are made up of several partial steps some of which can be activated individually These functions should only be used by trained technicians 61 83 292 D 3439 32 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 2 Description of the service software Service Manual CEREC inLab MC XL Individual Test Points Test sequence Diagnose Hilfe fur Service Service Exposures Sequence Test steps Initialization of the frame grabber FS Checking the RGB adjustment Camera calibration Telecentry with covered aperture relative parallax angle Relative intensity of covered to open aperture Checking the quality of the search image Height time noise with filtering 1 2 4 grid frequency Substeps Initializations for calibration loading standard data etc LED calibration Piezo calibration Image position calibration Plane calibration Calibration of height scale telecentry and difference image Test run Diagnosis Operate
44. ers copings anatomic bridges frameworks abutments and test pieces Total number of units Total number of scan units Total milling time Total scanning time 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 The Dental Company Troubleshooting Troubleshooting Contents 3 1 Force measurement errors eere 43 3 2 Stepping motor does not MOVE 44 3 3 Faulty locking of block chuck 46 3 4 DC motor does not lock 47 3 5 Milling instruments come 48 3 6 Milling chamber door switch 49 3 7 Unit switches Off oio rtr der erp ER ga dr mex Ra R8 50 3 8 Tank switch defect ie nx as 52 3 9 Edges break Off rire reda e idee Fons 53 3 10 Insufficient air pressure eere 55 3 11 Holes in restoration ecce 56 3 12 Stepping motor cannot be controlled 57 3 13 Faulty water pressure 58 3 14 Unit cannot find starting position 60 3 15 Unit cannot be turned on sss 61 39 16 TOUGH GFTOES TERR RR LEX CE KRxN KR XA MAR 62 3 17 Service li
45. fe of milling instruments too short 63 3 18 Milling unit not addressable 64 3 19 LAN communication problems 65 3 20 WLAN connection occasionally interrupted 67 3 21 WLAN communication problems 68 61 83 292 D 3439 42 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 3 Troubleshooting Service Manual CEREC inLab MC XL Force measurement errors 3 1 Force measurement errors Error message Milling unit force measurement error Please try again Perform calibration no Y Check distrib board Swap G axis distribution board left with M axis distribution board right Replace Faultmoved defectivedistribution board too yes Check interior of DC motor for humidity Replace spindle motor yes DC motor housing seals O rings Humidity present Spindle motor yes defect Replace DC motor no gt housing seals O rings Contact hotline 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 43 3 Troubleshooting Sirona Dental Systems GmbH Stepping motor does move Service Manual CEREC inLab MC XL 3 2 Stepping motor does not move Error message A stepping motor is not movin
46. g 8 Tum the motor so that the holes of the motor mount line up with the holes of the motor 9 Screw the motor mount and motor together Installing the motors in the unit 1 Push the mount cover onto the shaft as far as it will go Go Do not damage the cables Be careful not to damage any electrical connecting cables when pushing the mount cover onto the shaft Place the sockets in the shaft for this purpose 2 Push the motors along with the motor mount onto the shaft 61 83 292 D 3439 82 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 4 Repair Service Manual CEREC inLab MC XL Replacing the DC spindle motors 3 Connect the power supply connectors e g using a pair of tweezers Onore Proper connection of the power supply Take care not to confuse the power supply cables for the two DC motors The cable for Bur Set 1 is labeled with a red dot on the socket while the cable for Bur Set 2 has a blue dot The DC motor that is installed on the scanner side must be connected to the cable for Bur Set 1 The colored dots on the sockets must be on the same side when connected A BurSet2 C Scanner attachment B Bur Set 1 If a scanner is present gt Connect the scanner connectors Installing the motor unit 1 Push the motor mount onto the shaft until it locks in place 2 Push the mount cover onto the motor mount as far as it will go A gap remains between the mount cover and the motor mount 3
47. g v Confirm error message by restarting OK Immediate action by user No Y Activate service e M software stepping motor single step Switch off the unit carefully withdraw the axles by hand Y switch the unit on if problems occur repeatedly please contact Manually test stepping your dealer motors in single step mode and extend axles y Move to home position Reproduce error case mark position of the milling instrument at transition to chuck with a waterproof pen loosen chuck with torque wrench and try to press the TOM c gut milling instrument further into the chuck if marking Law disappears milling instrument has moved out Y A7 oe Check firm fit of milling ge A ee i instrument di s milling instrument loose Replace chucks torque wrench Ye gt if necessary Yes Continued on next page 61 83 292 D 3439 44 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 3 Troubleshooting Service Manual CEREC inLab MC XL Stepping motor does move Continued from previous page Ed 3 10 higher _ bw e e E Ng gt P d S SN EARN E N Software version gt v Install software version 3 10 or gt lt OK Yes gt End No Y Check encoder
48. g motor A caution Be sure to mark the gear wheels BEFORE unscrewing the stepping motor clean the gear wheels and mark two aligned teeth of the clamping wheel and the gear wheel 1 Pull off connectors X5 and X6 2 Pullthe milling unit to the edge of the table and unscrew the 4 fastening screws on the BR stepping motor from below TX10 3 Pull out the stepping motor with the toothed roller downwards Installing the stepping motor 1 Turn the gear wheels so that the previously marked teeth are aligned and push the stepping motor with the toothed roller upward 2 Screw the stepping motor tight with 4 screws 3 Plugin connectors X5 and X6 Final work 1 Screw the metal bracket back on again 2 Reattach all covers 4 7 2 GR MR stepping motor Preparations 1 Remove all covers except for the left right cover depending on which stepping motor is defective 2 Loosen the 2 screws of the metal cover and lift it out TX 20 screwdriver 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 93 4 Repair Sirona Dental Systems GmbH Replacing the milling machine Service Manual CEREC inLab MC XL Removing the stepping motor NCAUTION Be sure to mark the gear wheels BEFORE unscrewing the stepping motor clean the gear wheels and mark two aligned teeth of the clamping wheel and the gear wheel 1 Pull off connectors X5 and X6 2 Unscrew the 4 fastening screws from the stepping motor TX 10 3 Pull out the stepping
49. g on the shaft and the O rings of the air light blue and water blue connections have been replaced Y The upgrade kit has been installed and is complete 1 If the mount cover gasket D has become loose Remove all adhesive residue and adhere a new gasket to the mount cover 2 Replace the O ring in the motor mount A Apply a small amount of lubricant to the O ring prior to installation and make sure that it does not slip Gor Hold the motor mount in a horizontal position to prevent the O ring in the motor mount A from slipping 3 Fold the cables of the DC motor down so that the red dot points toward the motor 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 81 4 Repair Sirona Dental Systems GmbH Replacing the DC spindle motors Service Manual CEREC inLab MC XL A Motor O ring D Power supply cable B Spindle motor E Hole for air connection C Bulge Grease motor O ring of the motor A and the bulge C sparingly Place the motor B in the motor mount The hole for the air connection E must lie on the O ring in the motor mount 6 Insertthe power supply cable D in the motor mount guide provided for this SAS purpose X sme 7 Applya light coat of the Loctite sealer included in the scope of supply to b ro the threads of the motor fastening screws VAL A UU ui Go Press the motor slightly from the rear until you have securely screwed it onto the motor mount This prevents the O ring from slippin
50. he DC motors see chapter Replacing the DC motors Installation Installing the motor unit 4 9 Replacing the tank switch 4 9 1 Preparations Remove all covers Pull out the tank Pull out the drawer on the left and on the right Unscrew both drawers 4 screws each using a TX 9 screwdriver Bou 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 97 4 Repair Replacing the tank switch Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 98 4 9 2 Removing the chassis insert 1 Unscrew the 4 screws on the rear side of the cooling pack TX 20 screwdriver 2 Take out the fan unit and the cooling pack gt iy i 22 3 Openthe hose clip at the suction end of the water pump and pull the hose Taking out the chassis insert 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 4 Repair Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL Replacing the tank switch 4 Insert the hose toward the front and carefully pull the chassis insert forward until you can see the suction connection in space A Rotating the suction connection 5 Place the door switch solenoid cable to one side and rotate the suction connection clockwise until the hose with the suction connection can be pulled out underneath the metal bracket 6 Unscrew the rear rubber metal mountings B and slide the rails toward the rear TX 10 screwdriver 7T Disconnect the plug connection of the tank sw
51. hing covers 72 4 2 Replacing the DC spindle motors 74 4 2 1 DC motor 5 0 74 4 2 2 DC motor double 79 4 2 3 Testing and setting the DC motor s 84 4 2 4 Chuck of milling instrument broken 85 4 3 Replacing retrofitting the scanner 86 2 3 POBSTHOVOl tec trt oda festes tone 86 43 2 Installations etenim 87 4 3 3 Testing and setting the scanner 88 4 4 Replacing the controller board microcontroller module 88 4 5 Replacing the WLAN module 91 4 6 Replacing the milling chamber lighting 91 4 7 Replacing stepping motors 92 4 7 1 BR stepping 92 4 7 2 GR MR stepping 93 4 8 Replacing the milling machine 94 4 8 1 Removing the milling machine 94 4 8 2 Installing the milling machine 96 4 9 Replacing the tank switch 97 4 9 1 Preparations 97 4 9 2 Removing the chassis insert 98 4 9 3 Replacing the tank switch 100 4 9 4 Installing the chassis insert
52. hooting Sirona Dental Systems GmbH Unit switches off Service Manual CEREC inLab MC XL 3 7 Unit switches off Unit switches off after several minutes of milling Check air outlet area at rear for required distances yes Check air outlet area bottom for required distances no Ensure sufficient OK yes air exhaust no Y Ensure sufficient air intake Activate service software Media supply Unit fan Continued on next page 61 83 292 D 3439 50 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 3 Troubleshooting Service Manual CEREC inLab MC XL Continued from previous page Disconnect plug connection X8 of fan supply line and measure 24V supply voltage a 24V Em lt present after power ese A rad No Pull out the controller board and plug it in again Replace controller board X a lt OK e No gj Contact hotline s gt 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Unit switches off Yes v Check for complete assembly of unit covers Yes Replace fan Yes E No Attach unit covers 51 3 Troubleshooting Sirona Dental Systems GmbH Tank switch defect Service Manual CEREC inLab MC XL 3 8 Tank switch defect Error message The tank is not inserted in
53. ill with water necessary no Check mobility of suction connection valve in chassis insert Replace Defective yes chassis insert suction connection no Y Activate service software Media supply a Continued on next page 61 83 292 D 3439 58 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 3 Troubleshooting Service Manual CEREC inLab MC XL Faulty water pressure Continued from previous page Water pump current too low or no water pump noise yes Replace water pump no Change pressure switch water Run up time too long and water present no Check hoses Check nozzle plate Run up time 0 ose e in flow circuit for clogging and maximum run on time Contact hotline 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 59 3 Troubleshooting Sirona Dental Systems GmbH Unit cannot find starting position Service Manual CEREC inLab MC XL 3 14 Unit cannot find starting position Unit cannot find its starting position Check contact of controller board replug it if necessary No Y Activate service software Stepping motors single step Travel of stepping motors in single step check light barrier detection Stepping motor doesn t travel Contact hotline Yes No Light barrier
54. imes of the burrs Milling unit info Valuename EiIdent Extended Type SSNPage0 SerialNumber 100132 MachineType 48 SSNPType HW Configuration 3 Machine DataType WaterTime 1 Time M2 Time G1 Time G2 Time M1 Counter M2 Counter G1 Counter G2 Counter InlayCounter CrownCounter VeneerCounter CopingCounter BridgeCounter FrameWorkCounter AbutmentCounter SampleCounter UnitCounter ScanCounter MillTime ScanTime 4oo0o0o00005055 0 0 Read Save data Milling Unit Info 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 39 2 Description of the service software Sirona Dental Systems GmbH Individual Test Points Service Manual CEREC inLab MC XL SerialNumber MachineType HW configuration Water Time M1 Time M2 Time G1 Time G2 Time M1 Counter M2 Counter G1 Counter G2 Counter InlayCounter CrownCounter VeneerCounter CopingCounter BridgeCounter FrameWorkCounter AbutmentCounter SampleCounter Unit Counter ScanCounter MillTime ScanTime 40 Serial number of milling unit Machine type 32 CEREC MC XL 48 inLab MC XL Hardware configuration inLab MC XL 4 CEREC MC XL 5 CEREC MC XL scanner 6 CEREC MC XL 4 motors 7 CEREC MC XL scanner 4 motors Time since last water change Milling time of DC motor referenced to burr right Milling time of DC motor referenced to burr left Number of units referenced to burrs used Number of inlays crowns vene
55. ions If no function is selected the Start button is not active Default setting Test all functions 61 83 292 D 3439 30 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 2 Description of the service software Individual Test Points 2 3 11Force sensor test Purpose of Test This test serves to check the static functioning of the force sensor Test course _ Number of test runs Current state of the test run i Motor set 1 ei 2500 1 Mi 2 500 Motor set 2 Test results Passed fully 33 Force sensors 1 Voltage measured by the measuring bridge Procedure A voltage is applied to test the force sensor The the voltage returned by the measuring bridge is measured The motors can be selected either together or separately ATTENTION Motors The motors must be freestanding before you perform this test Move to the home position for this purpose If no motor is selected the START button is not active 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 31 2 Description of the service software Individual Test Points Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 2 3 12 Continuous load Purpose of Test This test serves to simulate a maximum load for the power supply and intentionally heat up the entire system All loads can be operated simultaneously Continuous load Renewed exposure Separate Test p
56. ists of one part run time and one part pause for each motor 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 27 2 Description of the service software Sirona Dental Systems GmbH Individual Test Points Service Manual CEREC inLab MC XL 2 3 8 DC motors Touch Purpose of Test This test is used to check the two DC motors for proper functioning in the Low speed mode Procedure The DC motors are tested by adjusting them to the touch speed in the relevant directions of rotation Then the relevant data are determined Test course Number of test runs Current state of the test run Motor left Motor right Min Max Act Min Max Act Motor right Act Min DC motors Touch 1 Measure of speed fluctuation 2 Pulse width modulation The possible motors can be selected either together or separately If no motor is selected the Start button is not active Default Both motors selected 61 83 292 D 3439 28 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 2 Description of the service software Individual Test Points 2 3 9 DC motors Speed Purpose of Test This test is used to check the two DC motors for proper functioning in the High speed mode DC motors Speed 1 Measured speed 3 Measured motor current 2 Fluctuation of speed 4 Fluctuation of motor current Procedure The DC motors are tested by accelerating th
57. itch and carefully pull out the chassis insert 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 99 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 4 Repair Replacing the tank switch 4 9 3 Replacing the tank switch Replacing the tank switch 1 Unscrew the defective tank switch 2 Screw on the new tank switch 4 9 4 Installing the chassis insert 1 Insert the chassis insert carefully 2 Insert the rails toward the front and screw on the rear rubber metal mountings B 61 83 292 D 3439 100 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 4 Repair Replacing the suction connection Taking out the chassis insert 3 8 Push through the hose with the suction connection underneath the metal bracket and rotate the suction connection counterclockwise until the suction connection with hose can be laid to the rear in space A Then run the door switch solenoid cable back into space A Reconnect the plug connection of the tank switch Plug the hose into the suction end of the water pump and fasten it with the hose clip Insert the cooling pack Insert the fan unit so that the embossed arrows on the fan point upward and to the rear Screw on the fan unit with the 4 screws 4 9 5 Final work m op m Screw on both drawers 4 screws each using a TX 9 screwdriver Pull out the drawer on the left and o
58. lunger pin 1 Switch the milling unit and the PC on 2 Start the service software and start the test step Light barriers door switch temperatur sensor motor stop position 3 Select the Adjustment option button 4 Click the Adjustment button The motors move to the adjustment position of the plunger 61 83 292 D 3439 110 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 4 Repair Service Manual CEREC inLab MC XL Adjusting the plunger pin 5 Open the milling chamber door Plunger pin 6 Turn the DC motor manually in such a way that the plunger pin does not contact the center but instead the external areas of the snap on lid Unscrew plunger pin A with an open end wrench 6 mm wide so that there is contact between the locking knob and the snap on lid Turn the DC motor by hand and check if it slips with light pressure by the locking knob 4 19 2B axis plunger pin Checking the plunger pin 1 BON 61 83 292 D 3439 Switch the milling unit and the PC on Open the milling chamber door Insert the calibration phantom with calibration protection Start the service software and start the test step Light barriers door switch temperatur sensor motor stop position Select the Adjustment option button Click the Block closed button Click the Adjustment button Open the milling chamber door 111 D 3439 076 01 02 02 03 2008 4 Repair Adjusting the
59. m the Power Sensor test For further information about these tests please refer to the service manual Adjust the plunger pin as described in the repair instructions or the service manual Calibrate the milling unit and Bur Set 2 if present as described in the operator manual Remove the calibration pin and the calibration block Return them to the appropriate system drawer gt Testthe scanner and calibrate it as described in Testing and setting the scanner B 88 Y Bur Set 1 has the following inserts Step Bur 12 and Cyl Pointed Bur 12 1 Load a test block Test Patient gt Pyramid 2 Insert a CEREC Block 110 3 Mill the pyramid test block and measure it The edge length must equal 4 90mm to 5 03mm The difference between the edge lengths must be less than 0 05mm the height of the pyramid must equal 5 20 to 5 35mm The milling unit prioritizes Bur Set 1 order to mill the pyramid test block with Bur Set 2 inthe milling unit set the software settings for Bur Set 1 to long milling instruments Step Bur 20 and Cyl Pointed Bur 20 Y Bur Set 2 has the following inserts Step Bur 12 and Cyl Pointed Bur 12 1 Setlong milling instruments Step Bur 20 and Cyl Pointed Bur 20 inthe software for Bur Set 1 2 Insert a CEREC Block 110 3 Repeatthe milling of the pyramid test block with Bur Set 2 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 4
60. mj mi w utg Adjustment Home lop set 1 Adjustment Stop set 2 Block open Block closed Test results Passed fully Passed Not passed Switches Display Illumination Adjustment NATTENTION Open block Close block Place a block in the block axle to test the Open block Close block function The motors are moved to these positions to test the motor stop positions Depending on which button is selected the motors move to the corresponding position and stop there The motors can be reset to their home positions by pressing the Home button 61 83 292 D 3439 22 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL Purpose of Test Procedure Display of test results 61 83 292 D 3439 2 Description of the service software Individual Test Points Test course Number of test runs Current state of the test run Light barrier F Left Block 5 Right Ad Mn t Mn Ma At Door switch 1 undefined 2 undefined Tank undefined Control buttons 1 undefined 2 undefined 3 undefined 4 undefined _ Adjustment Switches Adjustment A Home position D Stop position for tool change set 2 B Stop position for tool E Open block change set 1 Aux position for replacing F Close block components 2 3 4 Stepping motor test This test serves to evaluate the functioning of the
61. motor with the toothed roller Installing the stepping motor 1 Turn the gear wheels so that the previously marked teeth are aligned and push the stepping motor with the toothed roller in 2 Screw the stepping motor tight with 4 screws 3 Plug in connectors X5 and X6 Final work 1 Reinsert the metal cover and screw it tight 2 Reattach all covers 4 8 Replacing the milling machine 4 8 1 Removing the milling machine 1 Remove all covers 2 Dismantle the DC motors see chapter Replacing the DC motors Removal Preparation and Removing the motor unit 3 Pull off the radio module 61 83 292 D 3439 94 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 4 Repair Replacing the milling machine Milling machine 4 61 83 292 3439 3439 076 01 02 02 03 2008 Pull connectors GX1 BX1 and MX1 off of the respective distribution board Disconnect reed contact connector X5 Pull connector X1 off of the milling chamber lighting Cut open the cable ties on the cable harness Take the cable harness out of the cable holder At the same time tilt the cable holder backwards slightly 95 4 Repair Sirona Dental Systems GmbH Replacing the milling machine Service Manual CEREC inLab MC XL Pulling off the manifold 9 Pull the air and water manifolds out of the cable holder 10 Pull off the nipple holder and pull out the offset angled
62. n Windows Network Connections menu WLAN connection not listed no Replace interface board Insert network yes card in AU PC WLAN not listed no no Y Y Check distance between AU PC and MU Place AU PC and AU PC and MU MU next to each far apart yes other for configuration yes no Y Check signal strength of WLAN connection Signal strength too weak although Check antenna AU PC and MU next to yes connection in AU PC each other and MU 1 If a connection has been made perform network configuration according to Chapter 1 2 of the instructions Communication with the milling unit Communication possible Contact hotline m yes yes Check WLAN bridge in MU connect input of WLAN bridge directly to AU PC and activate WLAN browser for configuration see also Chap 2 5 3 of instructions Communication with the milling unit LAN browser addressable no Y Perform reset of WLAN bridge see also Chap 2 1 Subitem 4 of the instructions Communication with the milling unit WLAN browser addressable Replace WLAN bridge WLAN listed Contact hotline 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 The Dental Company Repair CEREC inLab M
63. n only be seen when they are illuminated externally 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 37 2 Description of the service software Individual Test Points Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL Lifting magnet 38 The lifting magnet is attracted approximately every 3 sec for a period of approx 1 sec A clicking sound can be heard LED and slide alignment are not required in the camera quick test The camera quick test sequence comprises the test steps functions listed below Test sequence Diagnose Hilfe fur Service Service Exposures Sequence Test steps Initialization of the frame grabber Checking the RGB adjustment Camera calibration Telecentry with covered aperture relative paralla angle Relative intensity of covered to open aperture Checking the quality of the search image Height time noise with filtering 1 x 2 4 grid frequency Substeps Initializations for calibration loading standard data etc LED cali Piezo ca Image position calibration Plane calibration Calibration of height scale telecentry and difference image Corresponding test functions Camera calibration data obtained from successfully completed tests are saved and used in the following camera quick test These data are not used for camera operation outside the service program so that the recording process is not affected by the program This also means th
64. n the milling chamber door securely 103 4 Repair Sirona Dental Systems GmbH Replacing the air pump 104 Service Manual CEREC inLab MC XL 7 Close the milling chamber door 8 Check to make that the milling chamber door engages and automatically opens when the catch is pressed 9 Reattach all covers 4 13 Replacing the air pump Preparations 1 Remove all covers except for the right cover 2 Unscrew the fan unit and take it out of the cooling pack 3 Cutopen the cable tie on the cable harness Onote To obtain more space you can pull off connector GX1 Removal Replacing the air pump 1 Unscrew the air pump mount 3 screws TX20 2 Unscrew the air pump from the mount 3 screws TX10 3 Disconnect power supply connector X6 4 Remove the 2 hose clips and pull off the hoses Installation 1 Slide both hoses onto the new air pump and secure them with the two hose clips 2 Screw the air pump onto the mount with 3 screws 3 Screw on the air pump mount with screws 4 Connect power supply connector X6 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 4 Repair Replacing the pressure switch Final work 1 If necessary plug connector GX1 back in and refasten the cables with a cable tie Screw the fan unit and the cooling pack back on Reattach all covers 4 14 R
65. n the right Reinsert the tank Reattach all covers 4 10 Replacing the suction connection 4 10 1Preparations Pens Remove all covers Pull out the tank Pull out the drawer on the left and on the right Unscrew both drawers 4 screws each using a TX 9 screwdriver 101 4 Repair Sirona Dental Systems GmbH Replacing the light barrier Service Manual CEREC inLab MC XL 4 10 2Removing the chassis insert The removal of the chassis insert is described in the preceding chapter Replacing the tank switch see Removing the chassis insert B 98 4 10 3Replacing the suction connection Replacing the suction connection 1 Unscrew the hose nipple with the hose open end wrench 10 mm A F 2 Remove the shaft lock down device and pull out the suction connection toward the front 3 Insert the new suction connection and fasten it with the shaft lock down device 4 Sealthe thread with teflon tape and screw the suction connection tight again 4 10 4Installing the chassis insert The installation of the chassis insert is described in the preceding chapter Replacing the tank switch see Installing the chassis insert B 100 4 10 5Final work Screw on both drawers 4 screws each using a TX 9 screwdriver Pull out the drawer on the left and on the right Reinsert the tank Reattach all covers Bow wr 4 11 Replacing the light barrier Light barrier B axis 1 Remove the rear panel cover and the i
66. na Dental Systems GmbH Basic structure of test dialogs Service Manual CEREC inLab MC XL Example Total test Test course Number of test runs Current state of the test run Test type Ser Communication m Media supply Light barriers i Stepping motors i DC motors Touch i DC motors Speed Sensor test D Options Options of the single tests All options E Test results Passed fully Passed Not passed c c o o oo o Total test A Number of test runs completed since the last time the Start button was actuated Progress bar for test currently being run C Check boxes for selecting activating deactivating the tests available in this test dialog D Check box for selecting the options possible in this test dialog Number of test results since the last start Passed fully Passed Not passed F Pressing the Start button starts the test run with the selected settings The test run is repeated until it is cancelled by pressing the Stop button The test run counter is then reset to 0 Once started the test run can be halted only with Stop No other inputs are possible during the test run G The test is canceled as soon as possible with the Stop button The test in progress at the time of cancellation is not counted All inputs are now possible again 61 83 292 D 3439 18 D 3439 076 01 02 02 0
67. nch 7T Repeat these steps until you have cleaned all of the milling instrument chucks 61 83 292 D 3439 120 D 3439 076 01 02 02 03 2008 We reserve the right to make any alterations which may be required due to technical improvements Sirona Dental Systems GmbH 2008 Sprache englisch Printed in Germany D 3439 076 01 02 02 03 2008 109 494 SSS SSS SSS Hl Sirona Dental Systems GmbH in the USA FabrikstraBe 31 Sirona Dental Systems LLC Order No 61 83 292 D 3439 64625 Bensheim 4835 Sirona Drive Suite 100 Germany Charlotte NC 28273 Www sirona com USA
68. nectors Install the motor unit see Installing the motor unit in chapter DC motor single double Place the sensor mounting plate on the motor mount so that the beveled sides lie on top of each other Fasten the sensor mounting plate securely with two Torx screws Push the scanner onto the pins of the sensor mounting plate 87 Sirona Dental Systems GmbH 4 Repair Replacing controller board microcontroller module Service Manual CEREC inLab MC XL Onore Different screws for the scanner The two Torx screws for the scanner vary in length The shorter screw is used at the top left and the longer one is used at the bottom right see illustration 4 Screw the scanner onto the sensor mounting plate 4 3 3 Testing and setting the scanner Following the replacement or retrofitting of the DC motor s or the scanner the scanner must be tested and calibrated Testing the scanner function with the Perform the Sensor test as described in the service manual service software Calibrating the scanner Calibrate the scanner as described in the operator manual 4 4 Replacing the controller board microcontroller module Removing the controller board 1 Pull out the drawer on the right 2 Press the catches Y slightly toward the unit and pull the cover downward 3 Reinsert the drawer 61 83 292 D 3439 88 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 4 Repair Service Manual CEREC inLab MC
69. nit is switched on and ready for operation PC acquisition unit and milling unit are interconnected via network cable or WLAN The door of the milling chamber must remain closed as long as any motors or the water pump are running If the door of the milling chamber is opened during the test all motors and the water pump will switch off immediately same function as pressing the STOP button The tools burrs must be installed already during operation of the water pump During operation of the water pump the air pump mustalways be running to protect the DC motors against water damage i e the air pump is started first If the air pressure switch detects no air pressure an error message will appear and the test cannot be performed The Service software generates a log file for all tests performed This log file is located in the folder on delivery c programme Cerec System Service Protocols and is named Testdatei_XXXXXXXXXXXX TXT The Xs here denote the serial no of the milling unit Each time the service software is started a confirmation query appears asking whether this file if it already exists should be deleted If No do not delete is selected the tests subsequently performed will be appended to the ones previously saved Each test is labeled with a starting and ending date The test file can be viewed with the editor at any time If the user quits a test without saving it he will be asked if he really wants to
70. not detected Replace light Yes barrier Contact hotline 61 83 292 D 3439 60 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 3 Troubleshooting Service Manual CEREC inLab MC XL Unit cannot be turned on 3 15 Unit cannot be turned on Unit cannot be turned on Display is blue when switched on after releasing the start button everything turns off again Was Press ON button the ON button pressed for Yes onager too short a time 9 No Is the Check Is display completely Yes connection with the connection Yes Replace display dark display OK No v Plug in the connector No Display Replace blue without Yes microcontroller Yes characters module Contact hotline 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 61 3 Troubleshooting Sirona Dental Systems GmbH Touch errors Service Manual CEREC inLab MC XL 3 16 Touch errors Error message An error occurred during the touch process the spindle motor cannot be adjusted Install software version 3 10 or higher Software version 3 10 Xam No Activate service SW DC motors touch and DC motors speed Yes Replace spindle motor No Y Check plug on distribution board Plug loose Yes
71. ntermediate cover 2 Unscrew the metal bracket 2 screws TX 20 screwdriver 3 Disconnect light barrier connector X10 61 83 292 D 3439 102 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 4 Repair Service Manual CEREC inLab MC XL 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 o xo Replacing the milling chamber door Pull the milling unit to the edge of the table and unscrew the defective light barrier from below TX 10 Screw on the new light barrier Connect connector X10 Screw the metal bracket back on again Reattach all covers G axis and M axis light barriers PS 01 Use the service software to determine which light barrier is defective Remove all covers except for the left right cover depending on which light barrier is defective Disconnect light barrier connector X10 Unscrew the defective light barrier TX 10 Screw on the new light barrier Connect connector X10 Reattach all covers 4 12 Replacing the milling chamber door Remove all covers Open the milling chamber door Unscrew the two fastening screws of the milling chamber door Carefully pull out the milling chamber door Place the new springs on holder A and in guide B of the milling chamber door on both sides as shown Insert the milling chamber door so that the flattened side of holder A faces toward the front and fits snugly on the cast part Use the two fastening screws to screw o
72. ore Press the motor slightly from the rear until you have securely screwed it onto the motor mount This prevents the O ring from slipping 8 Turn the motor so that the holes of the motor mount line up with the holes of the motor 9 Screw the motor mount and motor together Installing the motor in the unit 1 Push the mount cover onto the shaft as far as it will go A caution Do not damage the cables Be careful not to damage any electrical cables when pushing the mount cover onto the shaft Place the socket in the shaft 2 Push the motor along with the motor mount onto the shaft 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 77 4 Repair Replacing the DC spindle motors Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL Onore Proper connection of the power supply Make sure to connect the socket for the power supply of the DC motor to the cable for Bur Set 1 The socket for Bur Set 1 is labeled with a red dot The red dots on the connectors must be on the same side when connected 3 Connect the power supply connectors If a scanner is present gt Connect the scanner connectors Installing the motor unit 1 Push the motor mount onto the shaft until it locks in place 2 Push the mount cover onto the motor mount as far as it will go remains between the mount cover and the motor mount 3 Apply a light coat of the Loctite sealer included in the scope of supply to the threads of the shaft f
73. ove the covers in the following order A gt F gt G gt gt B gt E gt C 2 To remove covers G and E press the catches Y slightly toward the unit and pull the cover downward Attaching covers A caution Conductor with connector X15 on cover right When attaching Plug in connectorX15 and carefully slide on the right cover I 1 Attach the covers in the following order C gt E gt B gt gt G gt F gt A 2 attach covers G and E insert guide pins Z in the cover and push the cover upward until it snaps into place Onore Make sure that the gap is even When attaching the left and right covers make sure that an even i e uniform gap results 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 73 4 Repair Sirona Dental Systems GmbH Replacing the DC spindle motors Service Manual CEREC inLab MC XL 4 2 Replacing the DC spindle motors 4 2 1 DC motor single A Mountcover D Fastening screws motor mount mount cover B Motor mount E Fastening screws shaft C Fastening screws motor 4 2 1 1 Removal Preparation 1 Switch the milling unit on The motors move into the home position 2 Switch the milling unit off at the main switch 0 3 Open the milling chamber door If a scanner is present gt Remove the scanner see Unscrewing the scanner B 86 Removing the motor unit 1 Remove the fastening screws of the mount cover 2 Remov
74. plunger pin 112 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL Measuring the distance 9 Measure the distance between the plunger pin and the block clamping nut using a 0 1 mm feeler gage This distance must not exceed 0 1 mm Only a slight touching noise should be audible when the block clamping nut is running At the same time the block clamping nut must not engage Adjusting the plunger pin Y A C 10 If the distance between the plunger and the block clamping not is not 0 1 mm you must adjust the plunger pin Click the Block open button Take out the calibration phantom Unscrew the block clamping nut Adjust the plunger pin with a socket wrench 6mm A F Insert the calibration phantom with calibration protection Screw open the block clamping nut Click the Block closed button Click the Adjustment button Measure the distance between the plunger pin and the block clamping nut using a 0 1 mm feeler gage This distance must not exceed 0 1 mm Only a slight touching noise should be audible when the block clamping nut is running At the same time the block clamping nut must not engage Repeat these steps until the distance between the plunger pin and the block clamping nut does not exceed 0 1 mm A caution Plunger pin blocking hazard Make sure that the moving parts of the plunger pin do not come into contact with Loctite Loctite 221 may only be applied
75. rate the unit see the chapter on Calibrating the unit in the operating instructions 4 5 Replacing the WLAN module 1 Remove all covers except for the left cover and the cover of the left drawer 2 Pull the WLAN module off toward the rear 3 Disconnect the power supply cable and the network cable of the WLAN module 4 Install and configure the new WLAN module as described in the instructions supplied 4 6 Replacing the milling chamber lighting Open the milling chamber door Pull out the tank Unscrew the front cover Unscrew the key mount 5 screws gv om Mm oL Use a small screwdriver to pry out the milling chamber lighting PC board on both sides Pull off connector X1 Plug connector X1 into the new PC board Insert the new PC board on both sides until it locks into place 9 Fasten the key mount tight using the 5 screws you removed earlier 10 Screw on the front cover 11 Reinsert the tank 12 Close the milling chamber door 91 4 Repair Sirona Dental Systems GmbH Replacing stepping motors Service Manual CEREC inLab MC XL 4 Replacing stepping motors Overview of stepping motors 4 7 1 BR stepping motor Preparations 1 Remove all covers 2 Unscrew the metal bracket 2 screws TX 20 screwdriver 61 83 292 D 3439 92 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 4 Repair Service Manual CEREC inLab MC XL Replacing stepping motors Removing the steppin
76. rs to check whether it can be pulled out The distance between block fastener and the outer edge of the block axle must be 5 7 mm 4 Clean and grease the block chuck and block clamping nut as described under Clean chucks 8 116 5 Liftthe chuck gasket with a screwdriver and insert the new chuck gasket supplied with the unit If there is a D10 block clamping nut replace the chuck gasket there as well 1 Place the block clamping nut on the block axle so that the opening in chuck A lines up with the pins of block fastener B 2 Turn the block clamping nut clockwise approx 3 rotations 61 83 292 D 3439 114 D 3439 076 01 02 02 03 2008 The Dental Company Cleaning the chucks 5 Cleaning the chucks Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 5 Cleaning the chucks Contents 5 1 Block chuck and block clamping nut 117 5 2 Milling instrument CHUCKS 120 61 83 292 D 3439 116 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 5 Cleaning the chucks Service Manual CEREC inLab MC XL Block chuck block clamping nut 5 1 Block chuck and block clamping nut Gor For CEREC MC XL every 3 months For inLab MC XL after approx 50 milled restorations or every 2 weeks clean andlubricate the block chuck and block clamping nut Removing the block clamping nut LNWARNING Risk of injury on milling instruments burs Be car
77. s file 16 The tog file to be newly created already exsts CAProgramm e CEREC CEREC System ACEREC System service Protocols Test fle_000000100105 t0 Should the old loq Se be deleted Click the Yes button The old file is then deleted and a new log file is created Click the No button The old file is then not deleted and the data from the new test run is appended to it 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 2 Description of the service software Service Manual CEREC inLab MC XL Basic structure of test dialogs Test selection dialog box Test selection Selected milling unit latz 2 S Nr 000000100105 tee amp Total test Serial communication Media supply C Light barriers door switch temperature sensor motor stop position Stepping motors test Stepping motors single step Stepping motor step response DC motors Load inlet DC motors Touch DC motors Speed Sensor test Force sensor test Continuous load Sensor adjustment A Camera adjustment and acceptance Camera quick test Milling unit info A Tests performed only at the factory In the Test selection dialog box you can select atestforthe complete milling unit Total test or anindividual test The selected test dialog box then opens if you click OK 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 17 2 Description of the service software Siro
78. s individually in case of malfunction Procedure Using the Technique buttons you can move the individual motors in the longitudinal and rotary directions 61 83 292 D 3439 24 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 2 Description of the service software Individual Test Points 3 YY eh Pp d e dem Dh 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Light barriers Nominal position Actual position Motor positioning Steps Technique Longitudinal axis tolerance control Grind Set value 3000 Technique Motor position Grind left Mill right Under the option Longitudinal axis tolerance control the Grind Block and Mill axles can be extended by a permanently set value This specific feed supports servicing e g when replacing a DC motor or cleaning the block chuck It is activated by double clicking the corresponding activation button we Left Block Grind One longit step L equals 6 25 um 6 25 um 6 25 um One rotational step R equals approx approx approx 0 01 0 6 0 06 3 6 0 01 0 6 25 2 Description of the service software Sirona Dental Systems GmbH Individual Test Points Service Manual CEREC inLab MC XL 2 3 6 Stepping motor Step response Purpose of Test This test serves to detect the damping behavior of the stepping motors Test
79. software light barrier door switch temp sensor motor stop pos L Clamp block and activate option Adjustment Block closed Manually check milling instrument axles for firm seating with milling chamber door open Adjust tension of yes milling instrument axles gear wheel tension Contact hotline 61 83 292 D 3439 54 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 3 Troubleshooting Service Manual CEREC inLab MC XL Insufficient air pressure 3 10 Insufficient air pressure Error message Insufficient air pressure Activate service software Media supply Air pump Replace air current too low or no Yes gt Run up time Pressure switch Replace Yes M too long incorrect or defective pressure switch No Pull of air hoses threaded Run on time nipple on bearing of too long Yes instrument axle and check for escaping air Run on time OK Contact hotline Yes No Y No Check air channels for clogging Contact hotline 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 55 3 Troubleshooting Sirona Dental Systems GmbH Holes in restoration Service Manual CEREC inLab MC XL 3 11 Holes in restoration Error message The force sensor is not
80. ssword the system date set on the computer The dialog for setting the system time can be called up in all Windows operating systems by double clicking the time displayed in the systray 1 Open the Service menu as follows CEREC MC XL Start Programs CEREC Service inLab MC XL Start Programs inLab Service Service Login dialog box then opens for password entry SERVICE Improper use of service functions may result in damage Qo For this reason only specially trained personnel are allowed to use Service only the service functions Are you sure that you want to use the service functions Password No Maintenance only 2 Enter the password and confirm your entry with the ves button 15 2 Description of the service software Basic structure of test dialogs Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL Onore Select the milling unit If there is no data link between the milling unit and the acquisition unit PC or several milling units are connected the Select milling unit dialog box will open Establish a data link if necessary gt Clickthe Add automatically button acquisition unit PC installs the milling unit gt Select the relevant milling unit and confirm your choice with the OK button Log file If a log file with the name of the milling unit you have selected already exists you will be asked if you want to delete thi
81. t optional 2 2 Basic structure of test dialogs Onore Damage to system The Service functions may be used only by authorized service engineers who have been trained by Sirona Password The service software test dialogs are protected by a password to prevent manipulations by unauthorized users The password has four digits It changes daily and is generated from the system date of the computer according to the following scheme Password Generated from number 1 2 number of the current month 61 83 292 D 3439 14 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 2 Description of the service software Basic structure of test dialogs Opening the Service software 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Password Generated from number 2 1 number of the current month 3 2 number of the current day 4 1 number of the current day Example 02 28 2007 becomes 2082 A caution Do not disclose the password scheme Do not disclose the password creation scheme to others Before entering the password always determine the date as inconspicuously as possible Since the password is always valid for one single day only it can be passed on to the user in exceptional cases e g to provide immediate telephone support Password input errors If the commands are not enabled after you enter the password check the following correct entry of the pa
82. the air pump mount 3 screws TX20 Water pump 4 Unscrew the water pump 4 screws 7 mm torque wrench 5b Pullthe water pump out through the side opening just far enough so that the hose clips are accessible 61 83 292 D 3439 108 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL 4 Repair Replacing the water pump Water pump in opening 6 Remove the 2 hose clips and pull off the hoses 7 Remove the water pump through the side opening and insert the new one 8 Slide on both hoses and secure them with the two hose clips 9 Screw on the water pump with 4 screws 10 Screw on the air pump mount with 3 screws 11 Connect power supply connector X10 12 Reinstall the milling machine as described in the chapter Installing the milling machine 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 109 4 Repair Sirona Dental Systems GmbH Replacing the display Service Manual CEREC inLab MC XL 4 18 Replacing the display yy Replacing the display 1 Remove all covers except for the left cover 2 Pull off connector X15 3 Unscrew the defective display Onote Display is deforming If you tighten the screws too tightly on one side the display deforms gt Turn the screws carefully in a diagonal sequence 4 Screw on the new display 5 Plug in connector X15 6 Reattach all covers 4 19 Adjusting the plunger pin 4 19 1 G axis and M axis p
83. uns 55 creo MENEEREEREEEERENI Effective data transfer time Current BEEN m AON Serial Communication 1 Result of last test run 3 Average measured transmission time 2 Minimum measured 4 Maximum measured transmission time transmission time 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 19 2 Description of the service software Individual Test Points Typical values Sirona Dental Systems GmbH Service Manual CEREC inLab MC XL LAN 200 400 ms WLAN 300 600 ms 2 3 2 Media supply Purpose of Test To check the media supply air water fan for proper functioning and test the pressure switches and the function of the pump Procedure The pumps and the fan are switched on by nominal select control depending on selection The motor currents and the condition of the pressure switches are registered The points of time when the pressure detectors respond are measured After approx 5 sec the pumps are switched off and the time required until the pressure switch responds is measured and evaluated Save Save stores the measured values to the log file under the heading of Media supply Test course Number of test runs 1 Current state of the test run gt Water pump Act Run up time Run on time Current consumption Air pump Run up time Run on time Current consumption Air pressure gt Unit fan Current consumption Test results Passed full
84. ver 3 Take out the fan unit and disconnect connector X8 61 83 292 D 3439 106 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 4 Repair Service Manual CEREC inLab MC XL Replacing the cooling pack Connect connector X8 of the new fan unit Insert the fan unit so that the embossed arrows on the fan point upward and to the rear Screw on the fan unit with the 4 screws Reattach all covers 4 16 Replacing the cooling pack 1 Remove all covers except for the right cover Replacing the cooling pack 2 8 9 Unscrew the 4 screws on the rear side of the cooling pack TX 20 screwdriver Take out the fan unit Unscrew the cooler holder by removing the 4 screws from the cooling pack TX 20 screwdriver Open the 2 hose clips and pull off both hoses Slide both hoses onto the new cooling pack and secure them with the hose clips Screw the cooler holder onto the cooling pack with the 4 screws Insert the fan unit so that the embossed arrows on the fan point upward and to the rear Screw on the fan unit with the 4 screws 10 Reattach all covers 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 107 4 Repair Sirona Dental Systems GmbH Replacing the water pump Service Manual CEREC inLab MC XL 4 17 Replacing the water pump 1 Remove the milling machine as described in the chapter Removing the milling machine 2 Disconnect power supply connector X10 3 Unscrew
85. working properly Holes in restoration Wide stripes in Error message during milling process Stepping motor cannot be moved restoration v Check instrument chuck Defective yes gt Clean instrument chuck Replace milling instruments no ii mo ow v Check block chuck no Y Defective yes Clean block chuck no no Y Replace block chuck Contact hotline 61 83 292 D 3439 56 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 3 Troubleshooting Service Manual CEREC inLab MC XL Stepping motor cannot be controlled 3 12 Stepping motor cannot be controlled Error message Stepping motor cannot be controlled Remove controller board and reinsert it No Y Replace controller board Contact hotline 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 57 3 Troubleshooting Sirona Dental Systems GmbH Faulty water pressure Service Manual CEREC inLab MC XL 3 13 Faulty water pressure Error message Insufficient water pressure Error message The water pressure is not sufficient Please fill the water tank and check the hose connection Y Check water level and condition of filter Clean filter Defective yes replace if Ref
86. y 1 Not passed Media supply Deviations of measurements Deviations may occur During the first test run if any air is still in the water circuit Ifthe amount of water in the water tank is insufficient After filing the water tank 20 61 83 292 D 3439 D 3439 076 01 02 02 03 2008 Sirona Dental Systems GmbH 2 Description of the service software Service Manual CEREC inLab MC XL Individual Test Points 2 3 3 Light Barriers Door Switch Temperature Sensor and Motor Stop Positions Purpose of Test This test serves to evaluate the safe functioning of the light barriers and check the door switch the temperature sensor and the motor stop positions Light barrier When the end position is located the slot of the gear is measured via the width and height at which the stepping motor positions are registered with the flanks The light barriers to be tested can be selected in all variations If no light barrier is selected the Start button is not active Default setting All light barriers selected Test course Number of test runs css MEEREEEEEEEE Light barrier P Left 5 Block Right Act Min Max Min Act Min sow n E EHE oe NUS 1459 Siotheiht GENE Door switch 1 undefined 2 undefined Tank undefined Control buttons 1 undefined 2 undefined 3 undefined 4 undefined
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