51714-IMG R2 Focus Service Manual Eng
ENGLISHFocusService Manual51714-IMG rev. 2
CopyrightCode: 51714-IMG rev 2Date: 28 May 2012Document code: 51714-IMG1TPH-1 rev 2Copyright 05/2012 by PaloDEx Group Oy.All rights reserved.FOCUS is a registered trademark of Instrumentarium Dental.Windows is trademark of Microsoft Corporation in the UnitedStates of America and other countries.Documentation, trademark and the software are copyrightedwith all rights reserved. Under the copyright laws thedocumentation may not be copied, photocopied, reproduced,translated, or reduced to any electronic medium or machinereadable form in whole or part, without the prior writtenpermission of Instrumentarium Dental.The original language of this manual is English.Instrumentarium Dental reserves the right to make changes inspecification and features shown herein, or discontinue theproduct described at any time without notice or obligation.Contact your Instrumentarium Dental representative for the mostcurrent information.Manufactured byInstrumentarium Dental, PaloDEx Group OyNahkelantie 160 (P.O. Box 20)FI-04300 TuusulaFINLANDTel. 358 10 270 2000Fax. 358 9 851 4048For service, contact your local distributor.
Table of Contents1Introduction. 11.1 FOCUS intraoral X-ray unit. 11.2 Scope . 11.3 Associated documentation . 21.4 Servicing warnings and precautions . 22Error messages and troubleshooting. 72.1 Error messages. 73Service mode . 93.1 FOCUS 2.0 . 93.1.1 Entering the service mode . 93.1.2 Error log, Sr 1. 93.1.3 Reset error log, Sr 2. 93.1.4 Reset the exposure counter, Sr 3 . 93.1.5 Show tube type, Sr 4. 103.1.6 Calibration procedure of the unit . 103.1.6.1 Calibration . 103.1.6.2 Calibration of AEC, Sr 6. 113.1.7 After the service . 123.2 FOCUS 3.0 . 133.2.1 Entering the service programs . 133.2.2 Service programs . 154Upgrading the firmware . 194.1 FOCUS 2.0 . 194.2 FOCUS 3.0 . 205Changing the generator board . 235.1 FOCUS 2.0 . 235.1.1 Old units, before s/n F1243. 235.1.2 Later units, after s/n F1243 . 235.2 FOCUS 3.0 . 256Changing the horizontal arm . 276.1 Removing the arm. 276.2 Attaching the arm . 276.3 Leveling the arm. 287Changing the tube head. 297.1 FOCUS 2.0 . 297.1.1 Changing the tube head (v1.6 and 2.0). 297.1.2 Upgrading the tube head (V1.3-1.5) to 1.6. 327.1.3 Reset the exposure counter, Sr 3 . 387.2 FOCUS 3.0 (tubehead v3.0). 397.2.1 Reset the exposure counter, Sr 3 . 4351714-IMG rev 2Instrumentarium Dentali
8Changing the voltage . 458.1 FOCUS 2.0 . 458.1.1 Changing of the external fuses . 468.2 FOCUS 3.0 . 478.2.1 Mains voltage: . 479Setting the show mode . 499.1 FOCUS 2.0 . 499.2 FOCUS 3.0 . 5010 After the service. 5110.1 FOCUS 2.0 . 5110.2 FOCUS 3.0 . 51iiInstrumentarium Dental51714-IMG rev 2
1 Introduction1 Introduction1.1 FOCUS intraoral X-ray unitFOCUS is a micro processor controlled intraoral X-rayunit with a HF DC generator, which produces high qualitydental images with film or digital receptors.A well balanced support arm is easy to move and verystable, keeping the unit motionless during the exposure.This manual supports two FOCUS intraoral X-ray majordesign revisions, namely version 2.0 and version 3.0. Seethe correct chapter of the manual for each revision in acase they differ. Note, that spare parts should also beordered accordingly.The correct design revision can be recognized from theserial number of the X-ray device as follows:VersionFOCUS 2.0FOCUS 3.0serial number5000 – 79998000 –1.2 ScopeThis document supplements User Manual and Installationmanual for servicing the X-ray unit. This is not a standalone manual. Refer the Associated documentation tooperate and to install the X-ray unit.Only a trained and authorized service personnel areallowed to service the unit.DisclaimerInstrumentarium Dental endeavors to produce productdocumentation that is accurate and up to date. However,our policy of continual product development may result inchanges to products that are not reflected in the productdocumentation. Therefore this document should beregarded as an infallible guide to current productspecifications.Instrumentarium Dental maintains the right to makechanges and alterations without a prior notice.51714-IMG rev 2Instrumentarium Dental1
1 Introduction1.3 Associated documentation 51774 FOCUS user manual (translations available)51775 FOCUS Installation manual208643 FOCUS Spare parts cataloque1.4 Servicing warnings and precautionsGeneral precautions The FOCUS intraoral x-ray unit must only beserviced and repaired by service personnel who havebeen trained and approved by Instrumentarium Dental.This manual is an aid to servicing the units and is NOTa substitute for approved Instrumentarium Dentalservice training. Before attempting to service a unit make sure that youknow how to operate the FOCUS . Read theFOCUS user's manual. Only use original Instrumentarium Dental spare partswhen repairing the unit or replacing parts.Radiation Safety Before servicing the unit familiarize yourself with localand national radiation safety standards andrequirements relating to dental x-ray equipment. If you need to take test exposures you MUST takeadequate steps to protect yourself from radiation. Usea lead apron or stand behind a suitable radiationshield. In addition, when taking exposures stand at least twometers (six feet) from the FOCUS .Mechanical safety2 Switch the power off and disconnect the unit from themain power supply before removing any covers.Disconnect the unit from the main power supply beforerepairing or replacing mechanical parts. Be careful when handling the unit not to get body partsor clothing trapped between the articulated arm. When replacing the tube head handle the articulatedare carefully as it will move suddenly when the tubehead is removed.Instrumentarium Dental51714-IMG rev 2
1 IntroductionElectrical Safety Switch the power off and disconnect the unit from themain power supply before replacing circuit boards orother electrical components. If there are capacitors ona circuit board or electrical component wait ten (10)minutes, after disconnecting the unit from the powersupply, before handling the board or component. Live electrical terminals are potentially dangerous. Make sure that main power supply is OFF beforeremoving covers or circuit boards. This equipment should be used only in areas that areprovided with a protective earth connection to ensurean equipotential ground connection. Before cleaning or disinfecting the unit switch the mainpower supply off.Electrostatic discharge51714-IMG rev 2 Electrostatic Discharge (ESD) can damage or destroyelectronic components. A static electricity charge builds up in everyone. Thebuild up is due to movement, humidity, the person'sclothing and the conductivity of the floor. If anyonecharged with static electricity touches a electroniccomponent the static electricity will discharge throughthe component and can damage or destroy it. Notethat components damaged by electrostatic dischargecan fail at a later date. When servicing the unit take proper precautions toavoid electrostatic build up and discharge (ESD). Follow the recommendations for the prevention of ESDthat are used in the country in which you are working.If no recommendations are available follow the guidelines below. Before handling any electrical parts or componentsmake sure that any static electricity charge that hasbuilt up in you body is discharged. When handling electrical parts or components use anelasticated wrist wrap which is connected to a groundpoint through a 1 Mohm current limiting cable. For aground point use water pipes, radiators or otherInstrumentarium Dental3
1 Introductionobjects that are known to be connected to the ground. Also use a cable to connect the unit to the sameground potential as the wrist wrap. If an antistatic mat is used, connect the wrist wrap tothe carpet and the carpet to the ground potential. Wash the wrist wrap and check that it is good conditionfrequently.Explosion Hazard Certain disinfectants and cleaning agents mayvaporize to form an explosive vapour. If suchchemicals are used the vapour should be allowed todisperse before switching the unit on.Operating warnings and precautions The FOCUSTM intraoral x-ray must only be used totake intraoral exposures. It must not be used for anyother purpose. The unit or its accessories must not be modified,altered or remanufactured in any way. Repairing shallbe performed by Instrumentarium Dental authorizedservice only. As radiation safety and protection requirements varyfrom country to country and state to state it is theresponsibility of the operator to ensure that all localand national radiation safety and protectionrequirements are met. The use of ACCESSORY equipment not complyingwith the equivalent safety requirements of thisequipment may lead to a reduced level of safety of theresulting system. Consideration relating to the choiceshall include:- use of the accessory in the PATIENT VICINITY- evidence that the safety certification of theACCESSORY has been performed in accordance tothe appropriate IEC 601-1 or IEC 950 and/or IEC601-1-1 harmonized national standard.4Instrumentarium Dental51714-IMG rev 2
1 IntroductionUnauthorized Modifications Unauthorized changes or modifications to any part ofthe unit or its equipment can have hazardousconsequences. Changes or modifications must not be made unlessspecifically authorized by Instrumentarium Dental. When properly assembled with a compatiblebeamlimiting device, the diagnostic source assemblywill fully meet the United States of America FederalPerformance Standards for Diagnostic X-Ray Systemsand their Components (21 CFR 1020 .30-.32) providedno components or parts are removed from the unit andno unauthorized adjustments are made to the beamlimiting device or tube housing assembly. Never remove or remanufacture any part of the tubehead assembly or beam-limiting device unless underthe direction of Instrumentarium Dental or theirauthorized distributor. Never adjust any part of the beam-limiting deviceunless under the direction of Instrumentarium Dentalor their authorized distributor.Disposal At the end of the useful working life of the equipmentand/or its accessories make sure that you follownational and local regulations regarding the disposal ofthe equipment, its accessories, parts and materials. The equipment includes some or all of the followingparts that are made of or include materials that arenon-environmentally friendly or hazardous:- x-ray tube head (Pb, Be and mineral oil)- all electronic circuit boardsDisclaimer51714-IMG rev 2 Instrumentarium Dental shall have no liability forconsequential damages, personal injury, loss, damageor expense directly or indirectly arising from the use ofits products. No agent, distributor or other party is authorized tomake any warranty or other liability on behalf ofInstrumentarium Dental with respect to its products.Instrumentarium Dental5
1 Introduction6Instrumentarium Dental51714-IMG rev 2
2 Error messages and troubleshooting2 Error messages and troubleshooting2.1 Error messagesThe error messages are grouped into two categories: Usererrors (H) and system fault errors (E). User errors musteither be acknowledged or it will be removed once the erroris corrected. When system faults occur, a servicetechnician should be contacted.51714-IMG rev 2CodeError orFailureActionE1KV failureCheck the fuses.Check the cable connections.Check LA1 light on thegenerator board:ON - Change the tube headOFF - Change the generatormodule.E2MA failureCheck the fuses.Check the cable connections.Switch off and on the unit andcalibrate it.Change the tube head.E3PREHfailureCheck the cable connections.Switch off and on the unit andcalibrate it.Change the generator module.E4Tube headtoo hot ortoo coldWait for valid tube headtemperatureE5DC voltageout of rangeCheck the line voltage.Change the generator module.E6Sigma linkerror orsensor notreadyCheck Sigma-FOCUS interface cable and cableconnectionsE7EEPROMfailure1) Reset parameters (kV D)2) Change CPUNecessarywaiting timeDuty cycleWait for tube to coolH2Note: H2flashesalternatelywith ge with UP orDOWN buttonInstrumentarium Dental7
2 Error messages and troubleshootingCodeError orFailureActionH3Door switcherror: dooropen. Whena doorswitch isconnectedto theconnectionbox.In case a door switch is in use,close the door to enableexposure. Otherwise checkthat the dipswitch no.1 is in onposition on the connection boxboard.H4Door switcherror: dooropen. Whena doorswitch isconnectedto theremotecontrol.In case a door switch is in use,close the door to enableexposure. Otherwise checkthat the dipswitch no.2 is in onposition on the remote controlboard.H5System inServicemodeGo to the user mode bypressing two buttonssimultaneously (1).181H6CurrentSigmaclockingmode andresolutionselection donot supportAEC.Change resolution mode tominimum dose in CliniView.This error message mayappear only with CliniView 3.0or earlier.H7Exposureout ofrange,exposurecancelled.(in AECmode)Too much attenuation betweenthe sensor and the tube. Checkthat tube head and sensor arecorrectly aligned.Instrumentarium Dental51714-IMG rev 2
3 Service mode3 Service mode3.1 FOCUS 2.03.1.1 Entering the service modeSet the CPU board s Serv switch to the ON position.Press the D button on the remote control at least twoseconds until “Sr1” appears on the display.Scroll with the arrow keys until the right service codeappears on the display.3.1.2 Error log, Sr 1Press kV button to get in Sr1.You can view last ten error/multification messages bybrowsing with arrow keys.3.1.3 Reset error log, Sr 2Press kV button when “Sr 2” is selected in order to clearerror log.3.1.4 Reset the exposure counter, Sr 3Each unit has the counter which counts the number of theexposures. The counter should be reset if the tube headhas been changed. Enter the service mode.Scroll with the arrow keys until “Sr3” appears on thedisplay.Press kV button. The unit beeps twice when the counter isreset.51714-IMG rev 2Instrumentarium Dental9
3 Service mode3.1.5 Show tube type, Sr 4Scroll with arrow keys until “sr 4” appears on the display.Press kV button to enter the program. Tube type is shownon the screen.3.1.6 Calibration procedure of the unit3.1.6.1CalibrationThe unit must be calibrated always after the tube head,CPU board, EPROM microchip or the voltage setting hasbeen changed. By calibration the tube current and preheatare adjusted into the limits.The calibration is performed with the nominal voltage (115V or 230 V).Scroll with the arrow keys until the “Sr5” appears on thedisplay.Press the kV button once until “Ca1” appears on thedisplay. Unit is ready for tube current (7mA) calibration.Press the exposure button until the unit beeps twice and“Ca2” appears on the display. You may need to press theexposure button several times until the calibration issucceeded.Unit is ready for 60kV preheat calibration.Press the exposure button until the unit beeps twice and“Ca3” appears on the display. You may need to press theexposure button several times until the calibration issucceeded.Unit is ready for 70 kV preheat calibration.Press the exposure button until the unit beeps three timesand “Sr5” appears on the display. You may need to pressthe exposure button several times until the calibration issucceeded.10Instrumentarium Dental51714-IMG rev 2
3 Service modeThe unit is now calibrated.3.1.6.2Calibration of AEC, Sr 6NOTE! This service program is used in units from s/n 2141and in units with FOCUS AEC kit installed.In this service p
51714-IMG rev 2 Instrumentarium Dental 1 1 Introduction 1.1 FOCUS intraoral X-ray unit FOCUS is a micro processor controlled intraoral X-ray unit with a HF DC generator, which produces high quality dental images with film or digital recept
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51774-IMG rev 13 Instrumentarium Dental 1 1 Introduction 1.1 FOCUS FOCUS is a microprocessor controlled intraoral x-ray unit with a HF DC generator. FOCUS produces high quality dental images with film or digital sensors. The well-balanced support arm is easy to move and very
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F FOCUS ON PHOTOGRAPHY: A CURRICULUM GUIDE Focus Lesson Plans and Actvities INDEX TO FOCUS LINKS Focus Links Lesson Plans Focus Link 1 LESSON 1: Introductory Polaroid Exercises Focus Link 2 LESSON 2: Camera as a Tool Focus Link 3 LESSON 3: Photographic Field Trip Focus Link 4 LESSON 4: Discussing Images/Developing a Project Theme Focus Link 5 LESSON 5: Creating Images/Point-of-View Activity
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