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ENDOS AC / ACP 0051 - Frank`s Hospital Workshop

1. ILLA Schematics and drawings MEDICALI 1 7 4 9 8 9 1 I O mr sr E 4 C aaa a 556 5148 H2 ONNO a QUO Ul E ROS EZ 4558 E Q C p v RE 27 Sur E 953 me 18143 Pp MEUM Ce C39 Side o nup ug uu u PME TE T Usa rem 3 EJ
2. Connecting point to neutral conductor Connecting point to live conductor Protection ground Functional ground ON equipment connected to electricity line Permission key to exposure the permitted exposure status is displayed by switching on the corresponding green symbol Focal spot according to 336 5 emission OFF equipment not connected to electricity line ENDOS AC ACP CE 6 Rev 6 SERVICE MANUAL E VILLA Description MEDICALI 3 DESCRIPTION 3 1 Identification labels Rev 2 7 ENDOS AC ACP CE SERVICE MANUAL Description 1 ENDOS AC ACP label ENDOS xxx Line 230 V at 253 V 50 Hz MEDICALI Duty cycle 1 32 Max exposure time 3 2 s Manufactured MMMMYYYY X RAY CONTROL Model 8361306X02 S N XXXXYYYY 20090 Buccinasco MILANO ITALIA 0051 2 2 Tubehead label Tubehead label tube type X ray tube type KAILONG SISTEMI MEDICALI TUBE HOUSING ASSEMBLY Model 8461406512 S N 31XXYYYY Manufactured MMMM YYYY Output max 70 kVp 8 3 2 s 230 V SISTEMI MEDICALI TUBE HOUSING ASSEMBLY Model 8461406502 S N 31XXYYYY Manufactured MMMM YYYY Output 70 kVp 8 3 2 s 230 V X ray beam lt 6 cm at FFD 20 cm X ray beam lt 6 cm at FFD 20 cm m 0 8 IEC 336 Total filtration gt 2 mm m 0 8 IEC 336 Total filtration 22 mm Preheating time 100 ms
3. Service Manual Release 13 July 2007 Rev 6 SERVICE MANUAL Reuision historu MEDICAL Revision history Rev Date Page s Modification description 0 07 02 03 Document approval 1 11 04 03 All Introduction of KAILONG China X ray tube Introduction of remote X ray button with light signaling of Ready or Exposure in progress Ref RDM 5599 25 09 03 All Remote Timer version release 26 03 04 8 Notify body change for CE mark Ref RDM 5781 4 15 03 05 8 20 78 79 Editorial correction on Enabling Disabling the Ready key Modified the DP arm label Ref RDM 5938 RDM 6052 5 10 01 05 30 91 Dose linearity reference measurement time updated Added electrical safety NOTE Ref RDM 6164 6 13 07 07 5 6 8 Improvement of ceiling plate installation 33 34 40 41 procedure 51 110 116 Added NOTE with indication that the device is 118 supplied as unit to be installed permanently EN60601 1 paragraph 19 Spare Parts chapter update Ref RDM 6568 RDM 6620 Rev 6 ENDOS AC ACP CE SERVICE MANUAL Reuision historu THIS PAGE IS INTENTIONALLY LEFT BLANK ENDOS AC ACP CE Rev 2 SERVICE MANUAL ILLA Contents MEDTEM Contents 1 INTRODUCTION 1 1 1 aa 1 2 SAFETY ASPECTS 2 2 1 SWAIN GS UPS 3 2 2 Protection ATOM SX Taysu oed u OR ER TN to FIR EN dud ea 4 2 3 Environmental
4. Failure conditions found during X ray exposure phase can take the system to a condition where a following exposure is not allowed This type of error is shown by messages ranging from E20 to E25 NOTE Isolated error message signals ex Signals changing each time can be caused by false contacts on the flexible connection cable between the CPU board and power board Check that the flexible cable connecting the X1 power board connector to the corresponding X4 connector of the logic board CPU is connected correctly and functions well checking the total connection Replace the cable if necessary ENDOS AC ACP CE 80 Rev 3 SERVICE MANUAL Error messages and troubleshooting MEDICAL 9 1 Functional messages Line voltage lower than 12 1 Before exposure the system measures the supply line voltage and compares it to the value of the rated voltage If this value is lower than 12 1 the display will show message LLL and the green LED Ready will start flashing simultaneously To reset the condition press the INCREASE or DECREASE button A D DE lt lt 01220 Line voltage higher than 12 1 Before executing X ray emission the system measures the supply line voltage and compares it to the value of the rated voltage If this value is lower than 12 1 the display will show message HHH and the green LED Ready will start flashing simultaneously To reset the condition press t
5. E p C 3 R49 gt E Rsom 2 g EE m Ep ie ls z nE o C4 C60 Sei der 3 10 SIR 4 C m B m i Sks dat 38 Jaf EC D4 R72 C29 Er 245942 EN 220 5 El f d D x O Jam E o pgi 9g cr 5 J NIOE 88800 UD UD alli 5 E 0901900090050 155 nnnn ru 008 215008 R100 om 21 C18 RN A f 2 ESRSS R Ra R13 R14 RISE R16 R17 RIBEZ E RE ROE Qn E R 1 EE RE 15 Gi K r Logic board layout Code 58613052 53 Rev 1 Page 1 of 1 Rev 2 105 ENDOS AC ACP CE SERVICE MANUAL Spare Parts 12 SPARE PARTS 1 TIMER ENDOS AC ENDOS 2 EXTENSION ARM SCISSOR ARM 3 MOBILE STAND 4 CEILING SUPPORT 5 TUBEHEAD 6 OPTION Rev 2 107 ENDOS AC ACP CE SERVICE MANUAL Spare parts 1 TIMER ENDOS AC ENDOS Ref VSM code Description Note 1 6661301800 Frictioning mechanism assy 2 6261308300 Kit PCB ENDOS AC 6261308200 Kit PCB ENDOS ACP 3 6661303800 X ray button holder 4 6261303300 X ray push button 5 6261305100 Flat cable X1 X4 6 4291415900 ON OFF switch 7 5461305400 Keyboard for ENDOS AC 5461304100 Keyboard for ENDOS ACP 5461305800 Remote Timer front cover 8 6661310000 ENDOS AC fron
6. 1 25 1 0 75 0 5 206 218 230 242 254 Line voltage Rev 2 21 ENDOS AC ACP CE SERVICE MANUAL Technical data kV mA Method for measuring technical factors KVp value is defined as the stationary value of high voltage applied to the tube which settles on load after preheating time KV value is measured by a non invasive instrument with accuracy of over 296 to the nominal value of line voltage A direct high voltage measurement can be made only by disassembling the tubehead This operation can be executed only in the factory The anodic current value is defined as the average value of stationary current which settles on load after pre switching time The anodic current value is measured using a digital voltmeter measuring the voltage drop at the ends of the resistance from 1 kO 196 assembled on the tubehead To take this measurement remove the side plastic plug of the tube support connect the ground voltmeter terminal on the yellow green cable clamp screw and insert the positive terminal into the contact at the end of the grey cable The digital voltmeter must be selected on DC and the relation of transformation is given by 1 mA 1V Execute an exposure of at least 1 sec The exposure time value is the time during which the value of the anodic peak current exceeds 2596 of the steady state value The time taken to reach this condition is called pre heating time The measurement must be taken at n
7. D beat 2 508 Q ENDOS AC ACP CE Rev 2 lt SERVICE MANUAL L MEDICALI Set up 8 1 Display and modification of parameters PO1 Selecting line voltage The selected value in this section is useful only as an internal reference for the correction of the exposure time according to the variation of line voltage The selectable values are 115Vac 120Vac 220Vac 230Vac and 240Vac always make sure that the selected value corresponds to the value of the system voltage supply as specified in the labels NOTE When the selected value of the line voltage does not correspond to the value shown on the identification label of the system the system itself cannot be defined as complying with CE 93 42 Regulation After making the suitable selection if necessary press button in this case PO1 after pressing the button the display will show intermittently the value of the line voltage currently read by the internal voltmeter precision 1 5 in this way the system enables the operator to verify possible fluctuations in the line voltage DATUM STORAGE FLASHING DIGITAL VOLTMETER The following operations make it possible to calibrate the value read by the voltmeter inside the timer using a digital multimeter DVM 1 Connect a digital voltmeter DVM which can measure actual RMS values to the supply line entry connector and select it to read in altern
8. C 70 C storage Max relative humidity for transport and 95 non condensing storage Min atmospheric pressure for storage 630hPa and transport Apparatus and detachable parts weight 30 4 kg 25 4 kg 2 9 kg Rev 2 19 ENDOS AC ACP CE SERVICE MANUAL Technical data Method for correcting exposure times This RX intraoral equipment features a special function called Computer Controlled Density which makes it possible to correct exposure time automatically when line voltage is different from its nominal voltage A change in the line voltage affects the peak voltage applied to the RX tube and the high voltage value affects the Rx spectrum very significantly This in turn affects the optical density of the image on the film The task of the correction is to achieve the same optical image density irrespective of the variations in line voltage within its permitted variation range of 1096 In short this feature makes it possible to obtain the same quality of image without having to be concerned about possible line variations which occur frequently in many areas and which are almost impossible to prevent without resorting to costly equipment Automatic exposure time correction works with the following sequence inside the timer there is a voltmeter which takes a constant reading of the line voltage while the user selects the desired exposure time After the user has chosen the exposure time he knows from experi
9. CE 46 Rev 3 SERVICE MANUAL LLA Installation MEDICAL 6 2 3 Assembling the stand arms set Assemble the scissors arm there is no extension arm in this configuration being careful to insert the spacer 1 p n61613056 into the rotation pin NOTE Keep the arm perfectly orthogonal to the pole when inserting the extension arm rotation pin Do not release the arms of the scissors arm from their sealing packing AA Figure 6 12 2 47 ENDOS AC ACP CE SERVICE MANUAL Installation 6 3 Tubehead assembly Insert the protection cover 1 into the D P arm until you can see the insertion slot of the safety elastic ring 2 Hold it up and insert the ring itself partially Insert the rotation pin of the tubehead onto the sliding contact for about half of its length and put the elastic ring 2 into the two transversal cuts NOTE The elastic ring must be inserted on the same side as the safety screw to prevent the cover from moving excessively Insert the rotation pin completely into the sliding contact fixing it with the safety ring 2 Insert the grounding clip 3 making sure that the pins enter the holes and fix it by the supplied screw 4 Lower the protection cover 1 only now is it possible to release the Scissors arms 4 Put the safety screw 5 which clamps the protection cover NOTE The function of t
10. The equipment must be used according to the procedures in the manual and never for different purposes from the ones for which it has been designed 1 1 Icons in the manual Indicates a NOTE we recommend particular attention in reading the 8 subjects identified with this icon Indicates a WARNING subjects identified with this icon concern safety aspects regarding the patient and or the operator Rev 2 1 ENDOS AC ACP CE SERVICE MANUAL Safetu aspects SAFETY ASPECTS WARNING Read this chapter very carefully Villa Sistemi Medicali designs and makes their equipment according to safety requirements moreover they supply all necessary information for appropriate use and warnings relating to dangers connected with X ray generators The manufacturer does not accept any responsibility for e Use of ENDOS AC ACP equipment for purposes other than those for which it has been designed e damages to the equipment the operator the patient caused both by wrong installations and maintenance that do not follow the procedures contained in the user manuals and the installation provided with the equipment and by wrong operating techniques e mechanical and or electrical changes made during and after installation that differ from the ones in the Service Manual Only personnel authorised by the Manufacturer may carry out technical work on the equipment Only authorised personnel can remove the tubehead
11. 4 Rev 2 65 ENDOS AC ACP CE lt SERVICE MANUAL L D 8 SET UP When replacing the timer electronics or the tubehead ENDOS AC ACP requires an updating of the configuration parameters achieved by carrying out the PARAMETER SET UP procedure NOTE During the SET UP procedure the LEDs of the keyboard are not activated Starting from OFF STATUS switch the unit on pressing the main switch I O the lower part of the timer and wait completion of the initial check procedure While the system displays the software version for instance 4 00 press simultaneously keys increase Ve and decrease 4 for about 5 seconds until the words PrO are displayed for about 2 seconds After 2 seconds the words disappear and the first programmable arameter is shown on display p WARNING N During each step of the Set up procedure storage of the selected parameter is carried out by pressing the key System enabling After pressing this key system stores the current displayed value and moves to the next parameter to be edited NOTE 9 m change made to the selected parameter must be confirmed within 5 seconds of selection and the change of the parameter itself If the change is not confirmed during this period the system will return to the phase previous to the change itself without storing the changed value displaying again the number of parameter that must be
12. FIXING TEMPLATES 121 This publication can only be reproduced transmitted transcribed or translated into any human or computer language with the written consent of the Manufacturer This Manual is the English translation of the Italian original version ENDOS AC ACP CE ii Rev 2 SERVICE MANUAL LLA Introduction SISTEM 1 INTRODUCTION NOTE This manual is updated to the product status it is sold with to guarantee the user an adequate reference for equipment use and any aspect connected with use safety The manual may not reflect any product variation without impact on operating procedures and use safety The intraoral radiographic ENDOS AC ACP produces high quality intraoral X rays thanks to reduced exposure times and the small dimensions of the focal spot ENDOS AC ACP is exclusively intended for the execution of intraoral X rays The equipment has the following features e Very good quality X rays pictures e user friendly e ergonomic design The equipment is controlled by a microprocessor that makes it possible to reproduce exposure times and is composed of the following parts e Timer ENDOS AC or ENDOS ACP equipped with wall plate e Extension arm 30 cm 60 cm or 80 cm for wall version e Scissors arm DP Tubehead 70 kV 8 mA X ray tube with grid The purpose of this manual is to provide the user with instructions that will allow him to run the equipment safely and efficiently
13. X ray button 1 A door bell X ray button can be installed following the instruction here below NOTE The connecting cable between Timer and Remote X ray button passing into the wall or external must always be put into a metal conduct to avoid any kind of disturbance to the signals passing through the cable The cable can be a maximum of 15 meters long and consequently the distance between Timer and X ray button must be shorter than this length The connecting cable must have a 1mm minimum section and must be connected to the X12 and X13 connectors on the logic board CPU The remote X ray button not provided by Villa Sistemi Medicali must be connected to the timer Safety regulations stipulate that a button enabled by an appropriate safety key must be used NOTE ENDOS AC ACP is equipped with an exposure enabling key In spite of this we suggest you set up an external X ray button enabled by an appropriate safety device key 2 The kit P N 6661309500 provides a way to install remotely a small group that resembles the front panel of the timer This panel give also visibility of the status of the timer by two LED s signalling the READY and EXPOSURE IN PROGRESS status NOTE The connecting cable between Timer and Remote panel passing through the wall or external must always be put inside a metal conduct to avoid any disturbance to the signals passing through the cable ENDOS AC ACP CE
14. and exposure This is the maximum time seconds available to the operator between enabling obtained pressing key and starting the exposure This parameter varies from 10 to 30 seconds 1 second a step The preset value is 15 seconds and can be modified using the increase or decrease keys Press button to proceed to the following step ENDOS AC ACP CE 74 Rev 3 SERVICE MANUAL E Set up P11 Selecting the tubehead version Parameter not to be changed This value makes it possible to select the suitable value according to the high voltage value of the connected tubehead The preset value is 70 ENDOS NOTE To guarantee compliance with CE 93 42 Regulation the selected value must conform to the one defined above P12 Press button to proceed to the following step Enabling digital radiology This selection makes it possible to activate digital X ray mode which if enabled automatically selects reduced exposure times useful in the digital mode This reduction is used together with key The digital selection mode is d 0 disabled so touching the digital key described above does not produce any effect On the contrary if you select d 1 the digital X ray mode is activated After making this selection the system will adjust the exposure time of Anatomic selections to the digital acquisition mode multiplying the exposure time set
15. cables and clean the surface where the membrane was attached NOTE d Do not use solvent but only alcohol Attach the new membrane restoring connections 10 4 Replacing the scissors arm Follow instructions in the spare arm kit ENDOS AC ACP CE 92 Rev 3 SERVICE MANUAL lt LLA Schematics and drawings MEDICAL 11 SCHEMATICS AND DRAWINGS 1 ENDOS ACP General connection diagram 2 ENDOS ACP General connection diagram for mobile 3 ENDOS AC General connection diagram 4 ENDOS AC General connection diagram for mobile 5 Power board layout 6 Logic board layout Rev 2 93 ENDOS AC ACP CE SERVICE MANUAL Schematics and drawings THIS PAGE IS INTENTIONALLY LEFT BLANK ENDOS AC ACP CE 94 Rev 3 SERVICE MANUAL Schematics and drawings Co 6 j PULSANTE RAGGI X RAY BUTTON cl BA Ld COLLEGARE I FLAT DELLA TASTIERA AL CONNETTORE XI PIN 2 90 E PIN 15 91 DELLA SCHEDA LOGICA THE FLAT CABLES FROM THE KEYBOARD HAS 0 BE CONNECTED TO pin 2 32 AND pin 19 31 OF CPU BOARD A m nig DISPOSITIVO PULSANTE Tg HT RAGGI REMOTO OPZIONALE gt A DATENT REMOTE BUTTON DEVICE X a SCHEDA POTENZA OPTIONAL Z g m TACTOA POWER BOARD M HEDA OG
16. diameter at the exit of the cone The tubehead is connected to the arm by a guide which allows 360 horizontal rotation and 290 vertical rotation Two alternate X ray tubes can be used both have the same characteristics and provide the same performance The tubehead assembled with different X ray tubes are interchangeable so long as preheating time is set to the proper value indicated on the tubehead label see chapter 8 Rev 2 9 ENDOS AC ACP CE SERVICE MANUAL Description 3 2 3 Timer The name of ENDOS AC ACP depends on the type of timer in use ENDOS ACP ENDOS ACP is a digital timer with microprocessor where exposure times can be selected both manually and automatically With automatic selection there is a choice of 30 pre set times depending on the patient s size small medium or large and the type of tooth and acquisition mode film digital There are 33 fixed manual selection times that vary from a minimum of 0 02 seconds to a maximum of 3 20 seconds The main feature of this timer is that it has an automatic exposure time compensation for drift of nominal voltage within 10 ENDOS AC ENDOS AC has the same features as the ENDOS ACP timer excluding automatic and digital anatomic selection It has manual exposure time selection only NOTE A remote X ray button configuration can be made outside the exam room This can be a pure door bell X ray button or a device which also show status of t
17. the flexible cable between the two boards or its correct connection If the cable is broken or damaged replace it otherwise replace the two timer boards X rays button Main X ray button closed at start up Check if the X ray button is closed and replace it if it is otherwise replace the two timer boards Remote X ray button closed at start up Check if the X ray button is closed and replace it if it is otherwise replace the two timer boards Both X ray buttons closed at start up Check if both X ray buttons are closed and replace them if they are otherwise replace the two timer boards Ready button pressed at start up e Check that the keyboard cable is perfectly connected to the X1 logic board connector The flexible cable must be connected to the connector of the logic board nearest to the board itself while the short connector must be connected so that it ends at pin 31 Replace keyboard if necessary Replace the two timer boards if necessary ENDOS AC ACP CE 84 Rev 3 SERVICE MANUAL Error messages and troubleshooting DISPLAY signalling ANOMALY type Digital Mode Button DIX pressed at start up 3 Checks and operations to execute The same as error E06 above Increase button pressed at start up The same as error E06 above Decrease button pressed at start up The same as error E06 above Rev 2 85 ENDOS AC ACP C
18. the keyboard if necessary Replace the two timer boards if necessary ANATOMIC The same as Error E11 above selection key pressed at start up ENDOS AC ACP CE 86 Rev 3 SERVICE MANUAL Error messages and troubleshooting 9 4 DISPLAY signalling ANOMALY type X ray relay does not close within a prefixed time Errors during X ray exposure Checks and operations to execute Check that the keyboard cable is perfectly connected to the X1 logic board connector The flexible cable must be connected to the connector of the logic board nearest to the board itself while the possible short connector must be connected so that it ends at pin 31 Replace the keyboard if necessary otherwise replace the two boards of the timer X ray relay does not open within a prefixed time 50 msec Serious failure of safety devices Switch the timer off immediately as there may be X ray emission Check that the keyboard cable is perfectly connected to the X1 logic board connector The flexible cable must be connected to the connector of the logic board nearest to the board itself while the possible short connector must be connected so that it ends at pin 31 Replace the keyboard if necessary otherwise replace the two boards of the timer The triac controlling X ray emission does not close within a prefixed time 50 msec Check that the keyboard cable is perfectly connected to the X1 logic board connector T
19. the radiation which reaches the device before the anodic current is 2596 of its maximum value e Then you subtract this offset time from all the device measurements and you proceed with comparing the time measurements displayed by the timer ENDOS AC ACP CE 24 Rev 3 SERVICE MANUAL Technical data Curves tube features 4 4 OCX 70 G Feature of emission 70 kV 1 HELLO I jueJ1n 5ipoue filament voltage filament voltage Load gt 2ipoue 0 10 sec 0 1 exposure time ENDOS AC ACP CE 25 Rev 2 lt SERVICE MANUAL LLA MEDLEM Technical data Curve anode cooling 150 W 120 W kJ Curve tubehead cooling 160 120 E kJ 80 gt 5 gt gt gt gt gt gt gt 100 200 300 400 time min ENDOS AC ACP CE 26 Rev 3 SERVICE MANUAL lt LLA Technical data MEDLEM KL16 0 8 70G Feature of emission dA Va 65kV s 10 Ro R 2xxko eA ella tical NP 7 s I RR tT AA BERI 8 FET Ze est lee SLT eee 25 3 35 4 V as ET 22 Z EIS 29 HE Filament characte
20. the terminal board of the timer using a bipolar cable plus ground section 1 5 mm 16 AWG finishing off the cable towards the timer with the provided prod terminals Fix the cable to the terminal board following the positions as shown line N neutral Ground yellow green cable The conductors must be clamped to the timer base using the provided clip Connect the cable of the tubehead to the power board wiring the cables to the provided terminals and following the positions as in the table Tubehead wires Tubehead wires Power board colour identification cw X3 L2 Black or White X4 N2 Yellow Green Ground Ground X3 L2 e X4 N2 cables must be fastened together near the corresponding faston moreover it is necessary to prevent the same cables from passing between the two boards and as a consequence the surplus part of the cables must be secured to the top of the timer with a suitable loop Figure 6 15 Rev 2 53 ENDOS AC ACP CE SERVICE MANUAL Installation Electrical connection for versions equipped with Remote Timer Make the connection between the general switch and the terminal board of the timer using a bipolar cable plus ground section 1 5 mm 16 AWG finishing off the cable towards the timer with the provided prod terminals Fix the cable to the terminal board following the positions as shown line N neutra
21. 2 117 ENDOS AC ACP CE SERVICE MANUAL Spare parts 6 OPTION Ref VSM code Description Note 1 6661309500 Remote X ray button with light indicators 2 8161301002 Remote Timer kit 3 6160462003 Rectangular beam limiting device 45x35mm 4 6161405000 Extension cone for SFD 300mm 5 5661307900 Counterplate 6 6661209900 Allen wrenches kit ENDOS AC ACP CE 118 Rev 6 SERVICE MANUAL lt ME THIS PAGE IS INTENTIONALLY LEFT BLANK Rev 2 119 ENDOS AC ACP CE SERVICE MANUAL Spare parts THIS PAGE IS INTENTIONALLY LEFT BLANK ENDOS AC ACP CE 120 Rev 2 SERVICE MANUAL Fixing templates 13 FIXING TEMPLATES The system is equipped with a set of templates composed of the following elements Code Description 39619100 Template for standard and remote version 39609197 Template for ceiling suspension version Rev 2 121 ENDOS AC ACP CE SERVICE MANUAL Fixing templates THIS PAGE IS INTENTIONALLY LEFT BLANK ENDOS AC ACP CE 122 Rev 2 Cod 6961901603_Rev 6 0051 VILLA SISTEMI MEDICALI S p A Via Delle Azalee 3 20090 Buccinasco MI ITALY Tel 39 02 48859 1 Fax 39 02 4881844 e DEL MEDICAL SYSTEMS GROUP
22. 2 UNE 8 Fe 3 Y y to XT 16 X6 92 DISPOSITIVO PULSANTE T EH c a ose RAGGI REMOTO OPZIONALI REMOTE X RAY BUTTON DEVICE OPTIONAL 2 sl INTERRUTTORE BIPOLARE POWER SWITCH X0 No Ki T 5 NERO BLACK DAV X o cus CUYO gt L BLU CHIARO LIGHT BLUE SN A P O COMMON READY N 3 1 ENDOS General connection diagram Code 39619004 Rev 1 Page 1 of 1 Rev 2 99 ENDOS AC ACP CE SERVICE MANUAL Schematics and drawings PULSANTE RAGGI X RAY BUTTON A COLLEGARE IL FLAT DELLA TASTIERA AL CONNETTORE XI PIN 25 31 DELLA SCHEDA LOGICA THE FLAT CABLES FROM THE KEYBOARD HAS TO BE CONNECTED TO pin 29 31 OF CPU BOARD Rev 2 DISPOSITIVO PULSANTE S a RAGGI REMOTO OPZIONALE E CHENA POT mcd BUTTON DEVICE SCHEDA ENZA T POWER BOARD CAVO COLLEGAMENTO SCHEDA LOGICA POTENZA LOGICA Eq E POWER CPU CABLE CPU BOARD HELL MWe sik l CAVO COLLEGAMENTO x J 27 LOGICA POTENZA 3 CPU POWER CABLE NEUTRO NI NEUTRAL LINEA 12 LINE Fe C NI o m 6 94 ISPOSITIVO PULSANTE X RAGGI REMOTO OPZIONALIL REMO
23. 34 6 INSTALLATION 35 6 1 Wall installatioft u sassa leche na gti bas 35 6 1 1 Timer set up standard configuration 36 6 1 2 Wall support set up Remote Timer configuration 38 6 1 3 Timer set up Remote Timer Dental Chair and Ceiling configuration 39 6 1 4 Ceiling plate 40 6 1 5 Assembling the mobile stand and timer installation 42 LO X ray pullon oss Py e teres RA a En REIR RR ERES 43 Rev 2 i ENDOS AC ACP CE SERVICE MANUAL ad Contents 6 2 Assembling the scissors aETIE oo eds HI et RO REN RE QN didus 44 6 2 1 Assembling the scissors arm DP arm sese 44 6 2 2 Assembling the ceiling arms set uuu uui a 46 6 2 3 Assembling the stand arms 47 6 3 uibehead assembIy u ab e oco dot da 48 6 4 Installation of the optional Parts siss 49 6 4 1 Counterplate iie v ep tes 49 6 4 2 Remote X ray DUttON ree ayasa pe eee nenne ep nne 50 6 4 3 Installation of chemical screws 51 6 5 Ilecitical conrnectloti uve QU I ORA AEN HA NU QNIN OO E PER 52 6 5 1 Electrical connection for standard versions 53 6 5 2 Electrical connection for versions e
24. 50 Rev 3 SERVICE MANUAL Installation ME To install the cable inside the metal conduit it is easy to start the insertion from the remote button location inserting the female spade connector The cable provided in the kit must be used each wire is labelled and must be connected to the proper spade connector of the logic board so X12 to X12 X13 to X13 and so on The panel has to be fixed on the wall using the fisher type screws provided 6 4 3 Installation of chemical screws You are recommend to use chemical screws when installing the equipment on hollow bricks Rev 6 51 ENDOS AC ACP CE SERVICE MANUAL LLA MEDLEM Installation 6 5 Electrical connection WARNING For all versions the tubehead must be connected to the supply board exactly as shown so that the equipment can deliver the nominal values Connection errors give an abnormal absorption of current producing a slump in the tubehead performance and in some cases cause the line fuses to trip NOTE In Remote Timer Ceiling and Dental Chair versions where you need to put a connecting extension not supplied by Villa Sistemi Medicali the maximum distances between timer and arm must be less than 12mt and the connecting cable must be 2 5mm 14 AWG ENDOS AC ACP CE 52 Rev 3 SERVICE MANUAL Installation 6 5 1 Electrical connection for standard versions Make the connection between the general switch and
25. ATCHED IN THE FACTORY DO NOT REPLACE ONLY ONE OF THESE BOARDS SINCE THIS COULD AFFECT ON HOW THE SYSTEM FUNCTIONS The timer switch does not come on Line voltage is not present check the main line switch The timer switch does come on but there are no messages on the display Check LED H1 on the lower right part of the power board 1 If LED H1 is on check that fuse F4 630mA is working If the fuse is burnt replace it Otherwise check the flexible cable connecting the power board and the logic board CPU Check that it is connected correctly or if there are any broken cables replace the cable if necessary 2 If LED H1 does not come on this means that the main fuse F2 6 3A 250V is disconnected replace it If fuse F4 continues disconnecting replace the timer Main fuse F2 continues to disconnect This means that there is an anomalous absorption of current the possible cause of which may be a cable reversal connecting the tubehead or the presence of a short circuit Check that the correct cables are connected to terminals X3 and X4 i e the ones with corresponding labels see paragraph 6 5 ENDOS AC ACP CE 88 Rev 3 SERVICE MANUAL LLA Error messages and troubleshooting MEDICAL e Check if there is a short circuit on the boards 1 Disconnect the tubehead cable removing the cables marked L2 X3 and N2 X4 from the corresponding X3 and X4 connectors on the power board 2 If possible connect a te
26. Be careful of the board connection cables 4 Fixthe timer to the wall using the relevant screws 4 aN N I M NS xN Q C A MT Figure 6 1 Later start assembling the extension arm following the instructions as follows ENDOS AC ACP CE 36 Rev 3 SERVICE MANUAL lt Installation MEDICAL 1 Insert the extension arm into the arm support block which is an integral part of the wall support plate NOTE You must keep the arm orthogonal to the plate to be able to insert the shaft into the bush placed inside the support 2 Check that the arm is level using a bubble level if it is not level it is better to release the mounting screws on the wall plate and make the necessary adjustments 3 The horizontal check must be performed in the three orthogonal positions arm parallel to the wall on the right on the left and perpendicular to the wall itself 4 Atthe end of the above operations assemble the extension arm frictioning mechanism block 1 this frictioning mechanism is supplied separately 5 Assemble the arm rotation stop screw 2 in the hole provided on the shaft this screw is supplied with the frictioning mechanism NOTE The purpose of the frictioning mechanism and the rotation stop pin is to prevent the extension arm from becoming detached Figure 6 2 Rev 2 37 ENDOS AC ACP CE SERVICE MANUAL L MED
27. E lt SERVICE MANUAL LLA MEDICAL Error messages and troubleshooting 9 3 Errors that can be reset during the start up phase During the start up phase the system executes a series of tests to ensure that the equipment is functioning correctly if during this phase conditions that do not concern timer safety factors are found the timer itself may continue working even with reduced functions The error signal is displayed on the display until either the Increase or Decrease key is pressed and all error conditions have been displayed This operation brings the system into IDLE ON condition and the display will show the default exposure time NOTE If more errors have been found in the same phase the errors can be displayed in sequence by pressing the Increase or Decrease key The system will reach the working condition IDLE ON after displaying the last error message EXAMPLE SIZE selection and TOOTH ANATOMIC selection pressed during the start up phase will give the following display E 12 Nasa Xr IDLE ON DISPLAY signalling ANOMALY type Checks and operations to execute PATIENT S SIZE Check that the keyboard cable is perfectly key pressed at connected to the X1 logic board connector The start up flexible cable must be connected to the connector of the logic board nearest to the board itself while the possible short connector must be connected so that it ends at pin 31 Replace
28. ICE MANUAL E L LA 1 5 Selection of manual exposure base time This selection no more significant in the current software release sets the default value of nominal exposure time Leave the default configuration Press button to proceed to the following step 1 6 Zero setting of the exposure counter This operation resets the internal exposure counter to zero As a first step the system displays the figures relevant to thousands then it displays the figures relevant to values from 0 to 999 To reset the counter proceed as follows 1 Press the exposure button and check that the displayed number on the display flashes 2 Within 5 seconds press the exposure button again and check that the display stops flashing and the figures displayed are This shows that the figures of the thousands have been set to zero 3 Press the decrease button and repeat the above procedure for the other figures Press button to proceed to the following step Rev 2 77 ENDOS E SERVICE MANUAL LLA MEDICALI Set up P17 Enabiing Disabling the READY button The value of the parameter must be A 1 1 READY button enabled If P17 is configured at 0 the exposure enabling is prevented and the system is always ready for emission the ready for X ray LED is always on NOTE When the Ready button is disabled the display will show the corrected exposure time
29. ION 6 1 Wall installation ENDOS AC ACP intraoral X ray equipment is shipped pre assembled in sub assys Mechanical assembly work consists solely in assembling these units All the mechanical components are therefore adjusted before delivery not only is there no need to carry out any adjustment on these parts but it would also cause the equipment to malfunction any adjustment must be carried out by authorised personnel only Rev 2 35 ENDOS AC ACP CE SERVICE MANUAL MEDICAL Installation 6 1 1 Timer set up standard configuration 1 To be sure that the equipment is in the correct position we recommend you put the provided template 3 code 39619100 in the requested position in this way identifying the requested wall mounting position Considering the overall dimensions of the equipment put the top part of the template at 1450 mm from the floor WARNING The plate must be placed so that the entry hole of the supply cables corresponds with the point from which these cables exit the wall The installer will assess the consistency of the wall taking into consideration the screw extraction load specified in paragraph 5 1 2 Mark the mounting points and make the respective holes with a diameter corresponding to the chosen screws 3 Remove the plastic timer cover 1 loosening the two sealing screws 2 placed on the lower part and lifting the cover from the bottom to the top to let the upper clamps out
30. LA MEDICALI Set up P04 Booster Time Parameter not to be changed The value must be 0 04 1 NOTE Selecting a different value from the one shown will change the working conditions of the system and relevant selection data For this reason parameter 4 must not be changed Press button to proceed to the following step P05 Minimum exposure time This selection allows the choice of the minimum exposure time expressed in seconds The minimum exposure time can be chosen from the following times 0 02 0 04 0 06 0 08 0 10 0 12 0 14 0 16 0 18 0 20 The minimum exposure time is 0 02 seconds Press button to proceed to the following step P06 Maximum exposure time This parameter makes it possible to limit the value of the maximum exposure time settable by the user up to a value of 2 seconds selecting E 0 all exposure times shown in the following table are settable by the operator e selecting 1 1 the maximum exposure time value is 2 seconds 0 02 0 04 0 06 0 08 0 10 0 12 0 14 0 16 0 18 0 20 0 23 0 25 0 30 0 32 0 36 0 40 0 45 0 50 0 54 0 60 0 63 0 70 0 80 0 90 1 00 1 25 1 30 1 40 1 60 2 00 2 50 3 00 3 20 Press button to proceed to the following step ENDOS AC ACP CE 72 Rev 3 SERVICE MANUAL Set up MEDICAL P07 Selecting the compensation factor value of exposure times T
31. LEM Installation 6 1 2 Wall support set up Remote Timer configuration 1 To be sure that the equipment is in the correct position we recommend you put the provided template 3 code 39619100 in the requested position in this way identifying the requested wall mounting position Considering the overall dimensions of the equipment put the top part of the template at 1450 mm from the floor WARNING N The plate must be placed so that the entry hole of the supply cables corresponds with the point from which these cables exit the wall The installer will assess the consistency of the wall taking into consideration the screw extraction load specified in paragraph 5 1 2 Mark the mounting points and make the respective holes with a diameter corresponding to the chosen screws 3 Remove the plastic timer cover 1 loosening the two sealing screws 2 placed on the lower part and lifting the cover from the bottom to the top to let the upper clamps out 4 Fix the timer to the wall using the relevant screws 4 Figure 6 3 5 Remove the plug 5 positioned in the hole for the extension arm and put it on the Remote Timer box Later start assembling the extension arm following the instructions at paragraph 6 1 1 ENDOS AC ACP CE 38 Rev 3 SERVICE MANUAL Installation 6 1 3 Timer set up Remote Timer Dental Chair and Ceiling configuration 1 To be sure that t
32. N A A CPU BOARD Ss pon 52010 zu 24 les gt Xl CAVO COLLEGAMENTO ace LOGICA POTENZA E CPU POWER CABLE I NEUTRO NEUTRAL n UNA 12 UN X8 m L e y Nl EM 5 X3 h E 7 gt 2 Ez 15 7 XT X16 X6 lt 4 DISPOSITIVO PULSANTE E Xi 92 RAGGI REMOTO 0 ES REMOTE X RAY BUTTON DEVICE z OPTIONAL A sl INTERRUTTORE BIPOLARI POWER SWITCH X0 J M Ki NE 5 BLACK XQ t COMMON X RAY ON 12 J Q9 L 2 BLU CHIARO LIGHT BLUR o M 2 220 230 240Vac 17 j CBAR READY 50 6011 D COWON NI 1 ENDOS General connection diagram Code 39619003 Rev 1 Page 1 of 1 Rev 2 95 ENDOS AC ACP CE SERVICE MANUAL O NO Schematics and drawings M 2 3 5 7 8 TN N B COLLRGARE I FLAT DELLA TASTIERA AL CONNETTORE X RAY BUTTON XI PIN 2 32 E PIN 15 31 DELLA SCHEDA LOGICA ra THE FLAT CABLES FROM THE KEYBOARD HAS TO BE CONNECTED TO X1 pin 2 32 AND pin 15 31 OF CPU BOARD DISPOSITIVO PULSANTE RAGGI REMOTO OPZIONALE 28 a fa mes 1 BUTTON DEVICE y S SCHEDA POTENZA ZL d 4 dE POWER BOARD SCHEDA Logica 3E CPU BOARD ae M c ee Xl CAVO COLLEGAMENTO 3 y LOGICA
33. POTENZA a CPU POWER CABLE NEUTRO NEUTRAL LINEA 12 UNE 2 N Y 3 s jle I p 25 2 ISPOSITIVO PULSANTE Ta oF RAGGI REMOTO OPZIONALE S REMOTE X RAY BUTTON DEVICE OPTIONAL 22 51 INTERRUTTORE BIPOLARE POWER SWITCH x 0 L 4 7 5 NERO BLACK C I 1 D O COMMON K RAY ON 12 ALIMENTAZIONE SUPPLY 220 230 240Nac 50 60 2 BLU CHIARO LIGHT BLUE rena s K2 O COMMON READY ENDOS ACP General connection diagram for mobile Code 39619007 Rev 1 Page 1 of 1 Rev 2 97 ENDOS AC ACP CE SERVICE MANUAL ILLA Schematics and drawings SISTEMI PULSANTE RACCI N B COUGAR IL FLAT DELLA TASTIERA AL CONNETTORE X RAY BUTTON PIN 25 31 DELLA SCHEDA LOGICA ra THE FLAT CABLES FROM THE KEYBOARD HAS TO BE CONNECTED TO X1 pin 25 31 OF CPU BOARD g DISPOSITIVO PULSANTE RAGGI REMOTO OPZIONALE MS E E AER QE Y t BUTTON DEVICE y SCHEDA POTENZA E 7 i COUENA TACTIC POWER BOARD CAVO COLLEGAMENTO SCHEDA LOGICA POTENZA LOGICA em ras POWER CPU CABLE CPU BOARD y A uo ke CAVO COLLEGAMENTO LOGICA POTENTA 2 MEI CPU POWER CABLE NEUTRO NI NEUTRAL E R L
34. Preheating time 100 ms X RAY TUBE OCX 70 6 X RAY TUBE KL16 0 8 70G Manufacturer CEI Bologna Italy Manufacturer KAILONG China Serial Number Serial Number 20090 Buccinasco 20090 Buccinasco MILANO ITALIA MILANO ITALIA DP arm Extension arm Collimator 30 cm optional label label SISTEMI MEDICALI label BEAM LIMITING DEVICE Model 61614050 Model 8161200602 Model 8161200X02 Diameter lt 6 cm at FFD 30 cm S N 40 S N 10 S N 13XXYYYY Manufactured MMMM YYYY 20090 Buccinasco MILANO ITALIA ENDOS AC ACP CE 8 Rev 6 SERVICE MANUAL Description 3 2 3 2 1 Functions Models and Versions ENDOS AC ACP intraoral radiographic equipment is composed of the following parts Extension arm and scissors arm It is composed of a double articulated joint arm enabling extension horizontally and vertically The tubehead is balanced in all positions NOTE The scissors arm is designed to work correctly at a max angle of 160 so its use requires a flare angle of less than 160 3 2 2 Moreover a horizontal extension arm can be added available in various sizes to meet all requirements Tubehead The 70 kVp voltage the 8 mA current and the use of a tube with grid reduce exposure times and the quantities of X rays absorbed by the patient The radiogenic equipment is provided with a collimator with 20 cm focus skin distance and a 6 cm X ray emission
35. TE X RAY BUTTON DEVICE OPTIONAL 51 INTERRUTTORE DIPOLARE POWER SWITCH 2 O NO o co XRAY ON 2 ALIMENTAZIONE lt TM SUPPLY 2 Ca iy J BLU CHIARO LIGHT BLUR MEM O NO p 220 230 240Vac 1 READY 50 CD 2 COMMON X CES 1 ENDOS AC General connection diagram for mobile Code 39619008 Rev 1 Page 1 of 1 101 ENDOS AC ACP CE SERVICE MANUAL Schematics and drawings 123 X13 X12 se ppp Gen x10 EN A N ENDOS Power board layout Code 58603652 Rev 1 Page 1 of 1 Rev 2 103 ENDOS AC ACP CE A SERVICE MANUAL
36. any part of the equipment Any instrumentation or equipment for professional use located near ENDOS AC ACP must conform to Electromagnetic Compatibility regulations Non conforming equipment with known poor immunity to electromagnetic fields must be installed at a distance of at least 3m from ENDOS AC ACP and supplied by a dedicated electric line ENDOS AC ACP must be turned off when using electro cautery or similar equipment in the vicinity of the equipment itself The equipment is not designed to be used in the presence of anaesthetic mixtures inflammable with air oxygen or nitrous oxide WARNING For safety reasons it is forbidden to overload the extension arm or the scissors arm in an anomalous way for instance by leaning on it Rev 2 3 ENDOS AC ACP CE SERVICE MANUAL Safetu aspects 2 2 Protection from X rays Although dosage given by modern X ray equipment is low on average during the execution of the exposure the operator must take all precautions to protect the patient and himself in compliance with the regulations in force WARNING N Protection from X ray radiation is regulated by law The equipment must be used by specialised personnel only a b c d e The film or the digital sensor must be put into the patient s mouth manually or using the appropriate supports If possible it must be held by the patient himself During X ray exposure the operator must not come int
37. ate voltage AC 2 Press simultaneously keys Ve and 42 for at least two seconds This operation resets any offset values already in the system to zero ENDOS AC ACP CE 70 Rev 3 SERVICE MANUAL lt LLA 3 Press of keys Ve and or 4 so that the readings of the two voltmeters the internal one to the system and DVM are the same 4 When the requested value is reached press button to confirm the datum At this point the display will go to the second step of the set up procedure displaying the message P02 P02 Selecting the tubehead supply method Parameter not to modify The value must be P 1 Selecting a different value from the one shown will change the working conditions of the system and relevant selection data For this reason parameter 2 must not be changed Press button to proceed to the following step P03 Pre heating time This parameter is reported on the label of the tubehead it is important to verify that the value in set up is exactly the same reported on the tubehead label The value must be 0 1 0 seconds NOTE In order to guarantee that the system functions correctly and observation of CE 93 42 Regulations parameter must be the value reported on the tubehead label a pre heating time Press button to proceed to the following step Rev 2 71 ENDOS AC ACP CE lt SERVICE MANUAL L
38. checked edited This condition is shown by the letters PXX ENDOS AC ACP CE 66 Rev 3 SERVICE MANUAL lt Set up Within the Set up program the procedure to access and edit the value of the selected parameter is the following 1 When the display shows the message PXX press one of the keys increase or decrease to activate editing of the parameter 2 To edit the selected parameter press one of the two keys increase or decrease again until the display shows the requested value of the parameter itself Example selection of the line voltage 2 seconds Line voltage 3301 c 288 If only few parameters must be modified press more times key until the parameter you want to modify is displayed without selecting any value of the intermediate parameters Example 1 Activation of the cooling break PO9 2 Correction factor film sensitivity P13 The two following pages show the sequence of actions necessary to modify the programming of the two parameters PO9 and P13 without displaying the other parameters QUICK PROGRAMMING SEQUENCE WW 0228119007 0 0 Rev 2 67 ENDOS SERVICE MANUAL VILLA MEDICALI Set up it continues on the following page ENDOS AC ACP CE 68 Rev 3 SERVICE MANUAL Set up 2 gt rc E 215 hp Er PIS gt gt
39. e cool down is over the device goes back to the IDLE state CAE Ga DI clase Before starting a new exposure replace the film to avoid double exposure with meaningless diagnostic results Rev 2 83 ENDOS AC ACP CE SERVICE MANUAL Error messages and troubleshooting 9 2 Errors during start up phase WARNING N THE TWO TIMER BOARDS CPU AND POWER ARE MATCHED IN THE FACTORY DO NOT REPLACE ONLY ONE OF THESE BOARDS SINCE THIS COULD AFFECT ON HOW THE SYSTEM FUNCTIONS DISPLAY signalling ANOMALY type Checksum error of memories EEPROM EPROM or RAM test 1 Checks and operations to execute This means there is a serious error in the system memories so data may not be valid e Switch the system off and switch it on again pressing button Ready and X ray button together This operation resets the system to pre set values If the error condition remains replace the two timer boards NOTE After a reset you must execute a full system set up X ray relay closed at start up Serious failure of safety devices Check the possible disconnection of the flexible cable between the two boards or its correct connection If the cable is broken or damaged replace it otherwise replace the two timer boards Tubehead supplied during start up Switch the system off immediately as X ray emission may be present Check the possible disconnection of
40. e if the arm tends to go down compared to the release position anticlockwise if it tends to go up When you have finished the adjustment reposition the plastic covers Figure 7 3 ENDOS AC ACP CE 64 Rev 3 SERVICE MANUAL Maintenance MEDICAL e Adjusting the first arm If the first arm also needs to be adjusted Adjusting the friction for small corrections picture 1 Close the arm scissors arm remove the plastic co ordinator covers This must be done carefully to avoid breaking the covers themselves 2 Using a 2 5mm hexagon wrench loosen the dowel 1 Using two 13 wrenches adjust the frictioning mechanism by rotating one of the wrenches 1 4 of a turn each time 4 When you have finished the adjustment tighten the previously loosened dowel and reassemble the plastic covers Adjusting the spring picture B If adjustment of the friction is not enough you can adjust the spring to optimise the balance 1 Put the arm in a horizontal position remove the plastic co ordinator covers This must be done carefully to avoid breaking the covers themselves 2 Insert a 6mm hexagon wrench about 200mm long contained in the kit P N 6661209900 This wrench must rotate clockwise if the arm tends to go down compared to the release position anticlockwise if it tends to go up 3 When you have finished the adjustment reposition the plastic covers Figure 7
41. e times from 0 02 to 3 2 s in 33 steps Automical selection 30 pre set times only for ENDOS ACP Exposure time accuracy 10 or 20 ms whichever is greater see note paragraph 4 5 Single phase self rectifying with grid control Rev 2 17 ENDOS AC ACP CE SERVICE MANUAL L MEDLEM Technical data Tubehead features VILLA SISTEMI MEDICALI Buccinasco MI 70 kV 430 W 100 ms Total filtration gt 2 mm Al eq 70 kV HVL Half Value Layer Transformer insulation Oil bath Manufacturer Rated voltage Tubehead power Pre heating time gt 1 5 mm Al eq Interval between exposures 32 times X ray time duty cycle 1 32 Focal spot 0 8 IEC 336 Minimum focus to skin distance 20 cm optional 30 cm cone X ray beam diameter 20cm focus 6 cm optional 35x45 mm Convection 0 1 mGy h 70 kV 8 mA 1 s duty cycle 1 exposure each 32 seconds Cooling Radiation leakage at 1 m Technical factors for radiation leakage X ray tube features Manufacturer CEI Bologna KAILONG Electronic Italy China Type OCX 70 G KL16 0 8 70G with grid Inherent filtration 0 5 mm Al 0 4 mm Al equivalent to 70 kV equivalent to 70 kV Rated voltage 70 kV 70 kV Maximum filament voltage 4V Anode thermal capacity 6 kJ 7 kJ ENDOS AC ACP CE 8 Rev 3 SERVICE MANUAL lt LLA Technical data MEDLEM Environmental conditions Temperature range for transport and 20
42. ence to be the best for the type of X ray he is going to take the user himself presses the key enabling exposure and the timer shows on the screen the correct time that will be used for the exposure in progress time that the timer itself has calculated according to the value of the line voltage measured an instant before pressing the key of the exposure permission NOTE ENDOS AC and ENDOS ACP timers work in step with the line frequency so the calculated time is always rounded off to the multiple of the line frequency itself The correct exposure time shown once the timer has been enabled by the Ready key and during the execution of the X ray is the time actually used by the equipment it is calculated applying a correction factor to the time selected by the user based on the empirical law relating to the optical density of the film with the high voltage peak value and consequently with the line voltage NOTE If the Ready key has been disabled in system configuration the display will show the corrected exposure time only during exposure or holding the X ray button pressed at the end of it ENDOS AC ACP CE 20 Rev 4 SERVICE MANUAL L Technical data MEDLEM The qualitative relation between the multiplication factor and the line voltage is shown in the following picture for equipment configured to work at 230V Multiplication factor of exposure time to 1 75 the variation of line voltage 1 5
43. extension arm at the end where the DP arm is mounted has been loosened so that the arm can be inserted correctly without damaging the frictioning mechanism 2 Insert the scissors arm pin into the extension arm keep the scissors arm tightened during this operation The cable and the braiding coming from the DP arm must be pulled out from the extension arm NOTE You must keep the DP arm orthogonal to the extension arm in order to be able to insert the pin into the bush placed inside the extension arm Figure 6 9 ENDOS AC ACP CE 44 Rev 3 SERVICE MANUAL Installation Insert the cable coming from DP arm inside the extension following the diagram in the following picture the cable inside the extension arm until they come completely out at the opposite end insert the cable itself inside the rotation pin as shown in the following picture Figure 6 10 Check that the DP arm is perfectly inserted check that the rotation of the scissors arm inside the extension arm is the one ergonomically requested by the operator otherwise work on the frictioning mechanism 1 until you get the requested run NOTE This frictioning mechanism also serves to prevent the scissors arm from becoming detached and for this reason it must never be loosened completely Assemble the tubehead see paragraph 6 3 Remove the scissors arm safety clamp and check the ergonomics of its move
44. f VSM code Description Note 1 8160121500 Mobile stand complete 2 4890310400 Wheel with brake 80x24 4890307000 Wheel 80x24 3 6661305600 Mobile stand spacer 4 5261304700 Timer fixing plate ENDOS AC ACP CE 112 Rev 2 SERVICE MANUAL lt Spare Parts ME Rev 2 113 ENDOS AC ACP CE SERVICE MANUAL Spare parts 4 CEILING SUPPORT Ref VSM code Description Note 1 6160119600 Ceiling support 2 5260117700 Ceiling support arm 3 6260118600 Cable for ceiling support 4 5260119100 Rotating bushing 8260118700 Ceiling support complete ENDOS AC ACP CE 114 Rev 2 SERVICE MANUAL ILLA Spare Parts Rev 2 115 ENDOS SERVICE MANUAL Spare parts 5 TUBEHEAD Ref VSM code Description Note 1 5160402800 Seeger 2 6160204400 Grounding clip assy 3 5461205002 Sliding cover of seeger 4 6260439600 Sliding connector male 5 6661408500 Tubehead cover kit without label 6 5160423800 Angle indicator 7 5460420803 Tubehead lateral cover 8 7260474502 Tubehead support 9 5160401800 Aluminium filter 1mm 10 8461406502 Tubehead complete assembly 230V CEI tube 8461406512 Tubehead complete assembly 230V KAILONG tube ENDOS AC ACP CE 116 Rev 6 SERVICE MANUAL lt Spare Parts 7 Rev
45. f the running value and stationery point is very low thanks to the tube with grid and this makes it possible to guarantee that the linearity requirements contained in EN 60601 2 7 ed 1998 are respected for exposure times starting from 60ms ENDOS AC ACP CE 30 Rev 5 SERVICE MANUAL Technical data 4 6 Overall dimensions 4 3 4 C Dh FRONT VIEW 2 Figure 4 1 Overall dimensions wall version SN Figure 4 2 Overall dimensions ceiling version Rev 2 31 ENDOS AC ACP CE SERVICE MANUAL Technical data Figure 4 3 Overall dimensions Mobile Stand version ENDOS AC ACP CE 32 Rev 3 SERVICE MANUAL LLA Pre installation SISTEM 5 PRE INSTALLATION ENDOS AC ACP does not require any particular operations during the pre set up phase just follow the instructions given in paragraph 5 1 When ENDOS AC ACP connections must be made into the wall it is better to make these before installing the intraoral X ray equipment considering the overall dimensions and the requested height from the floor as reported in paragraph 4 6 The supplier can give the necessary assistance and technical advice concerning pre set up construction work and the pre set up phase are at the cust
46. for type D film by P14 factor Press button to proceed to the following step Rev 2 75 ENDOS AC ACP SERVICE MANUAL L D P13 correction factor for film sensitivity This parameter adapts the exposure times associated to Anatomic and Size selections to the film speed used by the user The parameter P13 multiplies the set time for type D film The available values are shown in the following table 0 2 0 4 0 5 0 6 0 8 1 0 1 4 1 6 2 0 The set value must be chosen according to the film manufacturer suggestion The default factor is 1 0 1 The factor can also be changed by the user following the relevant procedure described in the User s Manual Press button to proceed to the following step P14 Correction factor for Digital X rays This parameter adapts exposure times associated to Anatomic and Size selections to digital acquisition modes pressing key The parameter 14 multiplies the time set for type D film The available values are shown in the following table 0 1 0 15 0 2 0 25 0 30 0 40 The default factor is 0 2 that is the multiplying factor of the exposure time for type D film Changes must be performed according to the sensor used The factor can also be modified by the user following the relevant procedure described in the User s Manual Press button to proceed to the following step ENDOS AC ACP CE 76 Rev 3 SERV
47. from its support and or gain access to live parts ENDOS AC ACP CE 2 Rev 3 SERVICE MANUAL LLA Safetu aspects SISTEMI 2 1 Warnings The equipment must be used according to the procedures in this manual and never for different purposes from the ones for which it has been designed Before carrying out any maintenance disconnect the equipment from the power line using the circuit breaker provided The utmost attention must be paid during the installation and calibration phase with the equipment connected to the line since components directly supplied by the input line are accessible ENDOS AC ACP is an electro medical device and for this reason can be used only under the supervision of highly qualified medical staff in possession of all the necessary knowledge about X ray protection The user is responsible for fulfilling all the legal requirements connected with the possession installation and use of the equipment itself ENDOS AC ACP is built for continuous running with intermittent load for this reason the planned duty cycle must be observed Although the equipment is designed to provide a reasonable degree of protection from electromagnetic interference according to IEC International regulations it must be installed at an adequate distance from electricity transformer rooms static continuity units from two way amateur radios and cellular phones The latter can be used only at a minimum distance of 1 5m from
48. gether Failure to do this will not only cause serious problems when assembling the system but may also harm both the installer and the arm itself 1 Remove the safety screw and lift the protection cap of the sliding connector until you can see the insertion slot of the elastic safety ring In this way the protection cap is lifted leaving the safety ring in view 2 Holding the tubehead in one hand remove the safety ring id Remove the tubehead gently rotating it if necessary 4 Assemble the new tubehead proceeding then with the operations already described for tubehead assembly paragraph 6 3 NOTE After replacing the tubehead it may be necessary to reset the counter of executed exposures see paragraph 8 1 parameter P46 The system is certified to operate with two tubeheads model mounting different X ray tubes When replacing the tubehead check that the pre heating time in set up is configured to the same value reported in the tubehead label Rev 5 91 ENDOS AC ACP CE SERVICE MANUAL LLA MEDICAL Replacing parts 10 2 Replacement timer boards NOTE The timer boards are matched in the factory and therefore must be replaced as a couple To access the boards refer to the set up procedure 10 3 Replacing the keyboard Replacing the keyboard consists in replacing the adhesive membrane remove the timer covering panel remove the old membrane carefully after disconnecting the
49. he INCREASE or DECREASE button ES HHH D DIG ole 2a Rev 2 81 ENDOS AC ACP CE SERVICE MANUAL LLA MEDICAL Error messages and troubleshooting Exposure time of more than 4 seconds In the enabled status the system calculates the correct exposure time value to compensate fluctuations in line voltage If the time calculated in this way is greater than 4 seconds value the display will show the thus calculated value for instance 4 20 seconds and the green LED Ready will start flashing without exposure occurring To reset this condition press the INCREASE or DECREASE button DN Deoleedg NOTE In the event of a serious anomaly in the control system exposure is stopped after a maximum of 5 5 seconds and the corresponding error signal is given ENDOS AC ACP CE 82 Rev 3 SERVICE MANUAL E LLA Error messages and troubleshooting MEDICAL X ray button released before exposure end The X ray emission button is a dead man control so it must be held pressed during the whole exposure If the button is released before the exposure ends the emission is automatically stopped this situation is shown on the display by the flashing message E P and the luminous signals on the keyboard will be off To reset this condition press increase or decrease the green LED will start blinking without exposure and the tube cooling time countdown will be shown When th
50. he cover is to prevent the safety ring from going out of position Figure 6 13 ENDOS AC ACP CE 48 Rev 3 SERVICE MANUAL Installation 6 4 Installation of the optional parts 6 4 1 Counterplate A counterplate must be used on the opposite side of the wall when installing on walls that are too weak 1 Putthe template 3 code 39619100 in the requested position to identify the requested mounting position on the wall Considering the overall dimensions of the equipment put the top part of the template at 1450 mm from the floor 2 Mark the mounting points and make holes right through the wall at the marked points 3 Remove the plastic timer cover 1 by loosening the two sealing screws 2 on the bottom part and lifting the cover from the bottom to the top to let the top clamps out Be careful with the boards connecting cables 4 Put some threading pins 5 not provided through the wall and fix the counterplate 4 onto the back of the wall after positioning the timer 4 1 Figure 6 14 Rev 2 49 ENDOS AC ACP CE lt SERVICE MANUAL L MEDLEM Installation 6 4 2 Remote X ray button NOTE Whatever remote X ray button installation is implemented the front panel of the timer must be visible from the remote button location to allow the user to see technical factors before starting an exposure There are two possible alternative for remote
51. he equipment is in the correct position we recommend you put the provided template 3 code 39619100 in the requested position in this way identifying the requested wall mounting position Considering the overall dimensions of the equipment put the top part of the template at 1450 mm from the floor Mark the mounting points and make the relevant holes with the diameter corresponding to the chosen screws Remove the plastic timer cover 1 by loosening the two sealing screws 2 placed on the bottom part and lifting the cover from the bottom to the top to let the upper clamps out Be careful of the cables connecting the boards Fix the timer to the wall using the provided screws 4 Figure 6 4 Rev 2 39 ENDOS AC ACP CE SERVICE MANUAL L MEDLEM Installation 6 1 4 Ceiling plate installation NOTE Check the resistance of the ceiling considering that the maximum extraction load is 140kg In the ceiling mounting version install the ceiling plate and the pole considering that it is better to keep the minimum distance with the timer We suggest you first of all install the timer by ceiling installation and the path of the connecting cables external in a raceway or into chase 1 Mark the three mounting holes on the ceiling in the chosen position using the provided template code 39609197 2 Drill the ceiling in the marked points and if it s appropriate insert the
52. he flexible cable must be connected to the connector of the logic board nearest to the board itself while the possible short connector must be connected so that it ends at pin 31 Replace the keyboard if necessary otherwise replace the two boards of the timer The triac controlling X ray emission does not open within a prefixed time 50 msec No load connected to the board check the correct and complete insertion of tubehead wires Check for possible flat cable between power and logic boards not well inserted connected If the cable is broken replace it otherwise replace the Power and Logic boards X ray button results pressed at the system enabling Check that the X ray button is closed and replace it if necessary Intervention of hardware safety circuit The emission has been stopped by the intervention of the hardware safety circuit backup timer Emission may start again immediately at start up so any maintenance action must be carried out with the tubehead disconnected Check possible damages to the flexible cable connecting the two boards and replace it if necessary Switch the system on again if the anomaly continues message E02 will be displayed replace the two timer boards Rev 2 87 ENDOS AC ACP CE SERVICE MANUAL Error messages and troubleshooting 9 5 Faults not signalled 9 5 1 The timer does not work WARNING N THE TWO TIMER BOARDS CPU AND POWER ARE M
53. he unit READY and EXPOSURE IN PROGRESS NOTE The equipment supplies two separate contacts for connection with external signalling devices One contact shows the status of functioning equipment ready for use and the second one the X ray emission Connection procedures and the necessary requisites for signalling devices are given in the paragraph 5 2 ENDOS AC ACP CE 10 Rev 3 SERVICE MANUAL Description MEDICAL 3 3 Configurations 3 3 1 Standard configuration Figure 3 1 Tubehead Scissors arm Extension arm Timer QI X ray button Rev 2 11 ENDOS AC ACP CE SERVICE MANUAL HI Description 3 3 2 Remote timer configuration Figure 3 2 Tubehead Scissors arm Extension arm Wall support kit code 8161301002 Remote timer oO Q Q N m X ray button ENDOS AC ACP CE 12 Rev 3 SERVICE MANUAL Description 3 3 3 Dental chair configuration Figure 3 3 Tubehead Scissors arm Dental chair extension arm 30 cm Dental chair connection Timer oO gt Q N mH X ray button NOTE For this configuration Villa Sistemi Medicali supplies the scissors arm and the 30cm extension arm but not the support of the extension arm which is provided with 2 28mm h7 0 0 021 110mm long pin The weights of the comp
54. his parameter must be selected according to the nominal value of the line voltage as in the following table Line voltage P7 230V 015 guarantee compliance with 93 42 Regulation the selected value must conform to the one defined above Press the button to proceed to the following step P08 Selecting the compensation factor of pre heating time This parameter must be selected according to the nominal value of line voltage as in the following table Line voltage PS 230V 001 NOTE guarantee compliance with CE 93 42 Regulation the selected value must conform to the one defined above Press button to proceed to the following step Rev 2 73 ENDOS AC ACP CE lt SERVICE MANUAL L MEDICALI Set up P09 Tubehead cooling time This is the value of parameter K value selectable between O and 80 which multiplied by the current value of exposure time calculates the value of the cool down time between consecutive exposures COLL DOWN BETWEEN EXPOSURES Exposure time x K The preset time is 32 thirty two times the exposure time NOTE give the tubehead an adequate cooling time the minimum time to select is 32 Values different from the value shown can reduce the life of the tubehead and will also result in non compliance of the system to CE 93 42 Regulation Press button to proceed to the following step 1 0 Time between system enabling
55. hown as ee this means an exchange of labels so you must connect cable L2 X3 to X4 and vice versa or exchange the two labels and connect as usual 6 Check that the two cables are not in short circuit by reading the resistance which must be infinite between the two cable terminals on the same side and between the terminals and the ground cable Rev 2 89 ENDOS AC ACP CE lt SERVICE MANUAL Error messages and troubleshooting e Faulty tubehead If previous tests give positive results correctness of cable marking and absence of short circuits in the tubehead cable a possible cause is a short circuit inside the tubehead Replace the tubehead using the procedure described in the provided section of the manual ENDOS AC ACP CE 90 Rev 3 SERVICE MANUAL lt LLA Replacing parts MEDICAL 10 REPLACING PARTS NOTE The Service Engineer has to take special care for all what concerns electrical safety of the device and must make sure of restoring all provisions for electrical safety which may be affected during a service intervention and to solicit the customer to have the electrical safety tests repeated every time the intervention has caused the replacement of important parts or the intervention has significantly affected safety provisions of the device 10 1 Replacing the tubehead WARNING Before proceeding with replacing the tubehead close and tie the two sections of the scissors arm to
56. ime In fact some of these devices start counting exposure time as soon as a small quantity of radiation reaches the measuring chamber with the result that they take longer times than the ones determined by the invasive method applied by the manufacturer Consequently calculations obtained by these non invasive methods can erroneously lead to the conclusion that the equipment timer is not accurate Actually the difference is connected to the method adopted in measuring the exposure time Rev 2 23 ENDOS AC ACP CE SERVICE MANUAL LLA MEDLEM Technical data By using a tube with grid it is possible to reduce to the minimum the time required for the anodic current and as a consequence the dose adjustment to reach the steady state so there is very little difference between the exposure time measurement using the invasive and the non invasive method Corrective actions A practical method can be applied to get round the problem which can be described this way e graph you report the values of times measured using the equipment compared with the ones displayed by the timer automatically corrected for the line variations the dots of the graph are interpolated with a straight line if possible by the least square method or more simply in a graphic way e You determine the intercept on the Y axis of this straight line this can be assumed as the time value that the non invasive device adds to each measurement due to
57. inal test Some functions however can be adjusted by the Technical Service only after setting up or according to particular needs see chapter 8 After connecting the equipment to the line voltage make the following functional tests 1 Turn the line switch placed in the lower part of the timer to ON and check that the switch light comes on 2 Check the correct working in automatic mode checking with all Size Type of tooth combinations that the values on the display correspond to the values in the table The values in the table are those shown when the multiplication factor 1 see set up parameter P13 paragraph 8 1 is set These suggested values are for type D film For other films please refer to film manufacturer specification Table 1 3 Select manual function by increase Ve or decrease 2 key and check pressing the keys repeatedly that the display shows the different manual exposure times as in the following table 0 02 0 04 0 06 0 08 0 10 0 12 0 14 0 16 0 18 0 20 0 23 0 25 0 30 0 32 0 36 0 40 0 45 0 50 0 54 0 60 0 63 0 70 0 80 0 90 1 00 1 25 1 30 1 40 1 60 2 00 2 50 3 00 3 20 Table 2 ENDOS AC ACP CE 56 Rev 3 SERVICE MANUAL Installation MEDLEM WARNING N The following test involves X ray emission all the safety precautions stipulated by local safety regulations must be followed 4 Puta fl
58. l Ground yellow green cable The conductors must be clamped to the timer base using the provided clip Connect X3 X4 and Ground timer cables to terminal block X3 X4 and Ground respectively on wall support terminal block using the terminals provided Connect tubehead cable to wall support terminal block closing cables with relevant prod terminals provided and following the position as in the table Tubehead wires Tubehead wires Terminal block colour identification position 3 4 Black or White Yellow Green Ground Ground point of frame Figure 6 16 ENDOS AC ACP CE 54 Rev 3 SERVICE MANUAL Installation 6 6 Final working tests 6 6 1 ENDOS ACP timer X ray emission yellow LED Green Ready for X ray LED Exposure enabling READY Selection key Size Large size LED Medium size LED Small size LED Tooth anatomic selection key LED Bite wing 0 0 100 Q N Figure 6 17 Control keyboard ENDOS ACP 10 11 12 13 14 15 16 17 18 LED Upper Molar LED Lower Molar LED Premolars LED Incisors Canines Videography selection key Videography LED Increase key Decrease key Three figure display Rev 2 55 ENDOS AC ACP CE SERVICE MANUAL LLA MEDLEM Installation All functions in the equipment are set to standard values and tested in the factory during the f
59. light comes on and the control panel is activated 2 By key Ve increase or 2 decrease check that the display shows the different manual exposure times as in the following table 0 02 0 04 0 06 0 08 0 10 0 12 0 14 0 16 0 18 0 20 0 23 0 25 0 30 0 32 0 36 0 40 0 45 0 50 0 54 0 60 0 63 0 70 0 80 0 90 1 00 1 25 1 30 1 40 1 60 2 00 2 50 3 00 3 20 Table 3 ENDOS AC ACP CE 58 Rev 3 SERVICE MANUAL Installation MEDICAL WARNING N The following test involves X ray emission all the safety precautions stipulated by local safety regulations must be followed 3 Puta fluorescent screen not provided to display radiation at the end of the collimator press key and check simultaneous start up of the green LED press the X ray button and check simultaneous start up of the luminous indicator and the production of the acoustic signal of emission NOTE When pressing the READY key the system not only enables exposure but it will also start displaying on the display the exposure time calculated according to the compensation of fluctuations of the line voltage see paragraph 4 1 If all these tests are positive THE EQUIPMENT IS READY FOR USE Rev 2 59 ENDOS AC ACP CE SERVICE MANUAL Maintenance 7 1 MAINTENANCE Generalities Like all electrical equipment this unit requires not only cor
60. lowing table cannot be changed if any changes are made there is no guarantee that the system will function correctly or that it will comply with CE 93 42 Regulations Rev 4 79 ENDOS AC ACP CE SERVICE MANUAL L MEDICAL Error messages and troubleshooting 9 ERROR MESSAGES AND TROUBLESHOOTING ENDOS AC and ENDOS ACP timers are provided with a self diagnostics function which constantly monitors the system and its most important safety circuits In a problem occurs the system displays an error message to inform the operator Three different groups of alert messages displays are provided e errors found during the start up phase requiring the intervention of technical assistance e errors found during start up phase which since they do not concern safety factors can be reset These do not require the prompt intervention of technical assistance e errors found during the X ray exposure The first of these three error types found during start up phase disables the system so to avoid any action The disabling status can be reset only by switching the system off and on again or by following the instructions described in the following pages The codes corresponding to the error messages range from E01 to E09 Error conditions which can be reset may affect some unimportant system functions while still leaving others possible The codes corresponding to the error messages range from E11 to E12
61. ment again otherwise adjust the frictioning mechanism again 1 and or the tension of the arm balance springs see paragraph 7 2 3 Assemble the front covers of the extension arm packaged separately with the small parts Rev 2 45 ENDOS AC ACP CE SERVICE MANUAL Installation 6 2 2 Assembling the ceiling arms set Insert the rotation bush 1 into the pin of the 30cm extension blocking it with the sealing ring 2 Pre assemble the scissors arm on the extension and let the connecting cable out of the pin Connect the cable coming out of the extension arm with the cables coming out of the pole being careful about the polarity identify the cables of the ceiling plate with L2 X3 and N2 X4 in order to connect the timer correctly later as shown in paragraph 6 5 Electric connection Insert the extension arm pin inside the pole and block with two screws 3 NOTE Keep the arm perfectly orthogonal to the pole when inserting the extension arm rotation pin Keep the arms of the scissors arm tightened 5 Use a bubble level to check that the extension arm is level if it is not check that the pole is perpendicular to the ceiling with respect to the floor and that the extension arm pin is assembled correctly Assemble the tubehead see paragraph 6 3 checking the ergonomics of the system and if necessary make the required adjustments Figure 6 11 ENDOS AC ACP
62. o contact with the tubehead or the collimator cone During exposure the operator must be at a certain distance from the X ray source at least 2 metres in the opposite direction to X ray beam During exposure the operator and the patient are the only people allowed in the room The lead aprons should be used to reduce the undesirable effect of secondary radiation on the patient ENDOS AC ACP CE 4 Rev 3 SERVICE MANUAL Safetu aspects 2 3 Environmental risks and disposal Some parts of the equipment contain material and fluids which must be disposed of in special areas designated by the local health authorities at the end of the equipment s life cycle In particular the equipment contains the following materials and or components e Tubehead hard plastic materials metal materials glass dielectric oil lead tungsten e Other parts of the equipment hard plastic materials metal materials printed circuits iron plastic materials Rev 6 5 ENDOS AC ACP CE SERVICE MANUAL Safetu aspects 2 4 Symbols in use The following symbols are used in this manual and in ENDOS AC ACP besides the symbols on the keyboard see chapter 6 of User s Manual Equipment with applied parts Type B A number of machine parts contain materials and liquids that upon completion of the machiness life cycle must be disposed of at recovery centers established by the local health units Lx Alternate current
63. omer s expenses 5 1 Mounting methods NOTE This chapter is valid for Wall and Ceiling versions The user does not need to assess the consistency of the wall for Dental Chair and Stand versions The installer is responsible for assessing the consistency of the wall The extraction load on each screw is 58kg for the wall version standard assembly 3 mounting screws 110kg for the wall version single stud assembly 2 screws in line and 140kg for the ceiling version For each type of wall use the appropriate mounting method complying with the following specifications which guarantee a safety factor 4 e Wooden uprights self threading screws 8x70 A 4 8 provided with the installation kit e Full or concrete bricks screw anchors provided with the installation kit in cast iron M8 or chemical screws WURTH not provided e Hollow bricks chemical screws not provided A counter plate must be used with walls with a lower resistance see paragraph 6 4 1 WARNING The Manufacturer is not responsible for any installations that do not comply with the specifications stated above Rev 6 33 ENDOS AC ACP CE SERVICE MANUAL LLA MEDLEM Pre installation 5 2 Electric pre setting The supply source must be able to supply the following characteristic values e Single phase supply ground 230V 10 e Frequency 50 Hz e Absorbed current 4 Arms e Apparent line resistance lt 0 8 max A circuit b
64. ominal line voltage measuring the anodic current wave form on the 1kQ resistance and using a memory oscilloscope Exposure time measurements using non invasive equipment can lead to systematic errors in exposure time measurements which cannot be quantified and which depend on the equipment used for measuring see paragraph 4 3 ENDOS AC ACP CE 22 Rev 3 SERVICE MANUAL ak Technical data MEDICAL 4 3 Correct use of dosimeters to measure exposure times The spread of non invasive equipment to measure the functional parameters of RX equipment has introduced a series of interpretation problems when measuring exposure times The source of the problem is in the characteristic rise curve of the RX tube s anodic current which is represented in the picture AIA 25 06 Anodic current i 00 000m Time According to IEC60601 2 7 1998 regulations in equipment where the filament is switched on and high voltage is applied simultaneously the exposure time is calculated as the interval between the instant when the anodic current exceeds 25 of the nominal value and the instant when it goes below such value This method is defined as invasive because it requires that the anodic current flowing through a resistance inside the tubehead must be measured Non invasive methods are definitely easier and faster compared with the invasive method but they are prone to errors which can be considerable when determining exposure t
65. onents forming the equipment are shown in the chapter 4 Villa Sistemi Medicali is not responsible for any damage to the operator or to the patient deriving from wrong assembly or from inadequate resistance of the supports in the joined part Rev 2 13 ENDOS AC ACP CE SERVICE MANUAL Description 3 3 4 Ceiling configuration oO Q Q N mH Figure 3 4 Tubehead Scissors arm Ceiling extension arm Ceiling suspension Timer X ray button ENDOS AC ACP CE 14 Rev 3 SERVICE MANUAL L Description MEDICALI 3 3 5 Mobile stand configuration EN 2 5 3 1 4 4 QN AN Figure 3 5 Tubehead Scissors arm Mobile stand Timer a A Q N X ray button Rev 2 15 ENDOS AC ACP CE SERVICE MANUAL MEDICALI Description 3 3 6 Remote X ray button configuration Figure 3 6 Alternative 1 1 X ray button not supplied Alternative 2 2 X ray button light signalling of Ready or Exposure in progress supplied as kit P N 6661309500 ENDOS AC ACP CE 16 Rev 3 SERVICE MANUAL LLA Technical data MEDLEM 4 TECHNICAL DATA Technical features Manufacturer VILLA SISTEMI MEDICALI Buccinasco MI Class Class 1 with type B applied parts EN 60601 1 classification Standard Apparatus IP20 Pre set exposur
66. oning mechanism 1 Remove the small front extension arm cover working carefully 2 Adjust the frictioning mechanism 1 using a 4 mm hexagon wrench checking the rotation of the scissors arm NOTE m purpose of this frictioning mechanism is to prevent the scissors from becoming detached so it must not be loose 3 Assemble the cover again Figure 7 2 Rev 2 63 ENDOS AC ACP CE SERVICE MANUAL Maintenance Adjusting the balance scissors arm e Adjusting the second arm Proceed as follows to adjust the scissors arm Adjusting the friction for small corrections picture A 1 N Put the arm in a horizontal position remove the plastic co ordinator covers This must be done carefully to avoid breaking the covers themselves Using a 2 5mm hexagon wrench loosen the dowel 1 Using two 13 wrenches adjust the frictioning mechanism by rotating one of the wrenches 4 of a turn each time When you have finished the adjustment tighten the previously loosened dowel and reassemble the plastic covers Adjusting the spring picture B If adjustment of the friction is not enough you can adjust the spring to optimise the balance 1 Put the arm in a horizontal position remove the plastic co ordinator covers This must be done carefully to avoid breaking the covers themselves Insert a 6mm hexagon wrench about 200mm long contained in the kit P N 6661209900 This wrench must rotate clockwis
67. plate 4 with the four screws 7 5 Assemble the timer support plate 8 to the stand column fixing it with the two screws 9 WARNING The timer must be fixed to the support plate after assembling the scissors arm see paragraph 6 2 3 6 Remove the plastic timer cover 10 by loosening the two sealing screws 11 placed on the lower part and lifting the cover from the bottom to the top to let the upper clamps out Be careful of the cables connecting boards Fix the timer 12 onto the support plate 8 with the two screws 13 taking care to thread the supply cable and the cable coming from the scissors arm inside the hollow one 14 Check that the upper level is level using a bubble level 19 6 8 ENDOS AC ACP CE 42 Rev 3 SERVICE MANUAL LLA Installation MEDLEM 6 1 6 X ray button The X ray button and the relevant support are in the box with an installation kit that gives two options e mounting on the timer side remove the small plug placed on the right hand wall of the timer box and screw the relevant support e mounting on the wall use the screw provided with the support to fix the support itself to the wall in the requested position Rev 2 43 ENDOS AC ACP CE lt SERVICE MANUAL L MEDLEM Installation 6 2 Assembling the scissors arm 6 2 1 Assembling the scissors arm DP arm 1 Check that the frictioning mechanism 1 assembled on the
68. provided screws otherwise use the most appropriate fixing method i e chemical screws 3 the ceiling plate 1 to the ceiling using the screws 2 4 Connect the cables coming from the timer to the terminal board on the ceiling plate Figure 6 6 5 Assemble the pole 3 to the ceiling plate using the two provided screws 4 Figure 6 7 6 Pass the connecting cables between the extension arm and the ceiling plate inside the pole and connect them to the terminal board observe the polarities of the conductors 7 Check that the set is level and if necessary adjust using the adjustment nuts 7 and fix the position with the fixing nuts 8 Figure 6 7 8 Assemble the ceiling plate cover 5 with the ring 6 Figure 6 5 ENDOS AC ACP CE 40 Rev 6 SERVICE MANUAL lt Installation MEDICAL Figure 6 7 Rev 6 41 ENDOS AC ACP CE SERVICE MANUAL Installation Assembling the mobile stand and timer installation 1 Crossthe two base tubes 1 into the provided cut fixing them together with the screw 2 and relevant nut 3 Do not tighten the screw completely 2 Position the base plate 4 and fix it with the four screws 5 If necessary reposition the two base tubes 1 slightly in order to align the relevant holes on the plate 3 Lockthenut 3 in order to block the base tubes 1 permanently 4 Assemble the stand column 6 on the base
69. quipped with Remote Timer 54 Fin l workimg TESS qu OO RAIN ID IR TARDE RM NEQU UNE EG PIT 55 6 6 1 GC ENDOSACP timer eec eee tere ee eb ta ree ee da Resa 55 6 6 2 ENDOS AG timer iiio e Pb tiber epe Pd efe vs 58 7 MAINTENANCE 60 Bil Gerald allan rakara ia et ara 60 22 AS rc 61 7 2 1 Adjusting the extension arm support frictioning mechanism 62 7 2 2 Adjusting the extension arm frictioning mechanism 63 7 2 8 Adjusting the balance scissors arm 64 8 SET UP 66 8 1 Display and modification of parameters 70 9 ERROR MESSAGES AND TROUBLESHOOTING 80 9 1 Functional qH6SS3g88 vade easi aite GU aad bad oae 81 9 2 Errors during Start up phase 84 9 3 Errors that be reset during the start up phase 86 9 4 Errors during X ray expoSUte ise e qe Hh EY RE REESE EH EUER 87 9 5 Faults not SiO alle nn ei a 88 9 5 1 The tim r does not Work C OR lee e 88 10 REPLACING PARTS 91 10 1 Replacitig the tubebiead uet oo n TNI S US COINS CORN NS Or TAA IRR 91 10 2 Replacement timer DOSTOS Ca api ede Oe 92 10 3 Replacing the keyboard use eode a e e gin 92 10 4 Replacing the scissors MEI i e YI C ei n e EN 92 11 SCHEMATICS AND DRAWINGS 93 12 SPARE PARTS 107 13
70. reaker with overcurrent protection must be connected to the intraoral X ray equipment with the following features e Rated current 6A e Residual current sensitivity 30 mA The apparatus must be connected to a line supplied with an adequate ground in compliance with IEC regulations NOTE The device is supplied as unit to be installed permanently EN60601 1 paragraph 19 Please DO NOT connect the unit to the line using a normal socket to avoid compromising the electrical safety NOTE The maximum distances between the electric board and the entry supply terminal board must be less than 20mt and the connecting cable must be 1 Smm2 16 AWG NOTE In Remote Timer Ceiling and Dental Chair versions where you need to put a connecting extension not supplied by Villa Sistemi Medicali the maximum distances between timer and arm must be less than 12mt and the connecting cable must be 2 5mm2 14 AWG ENDOS AC ACP is designed for connection to the following signal devices at the entry of the X ray room Light READY Green light showing that the equipment is enabled to start the exposure Connect to terminal X2 1 2 of Power board 250Vac 8A Light X RAY Yellow light showing that the X ray room must not be entered because an exposure is underway Connect to terminal X2 3 4 of the Power board 250Vac 8A ENDOS AC ACP CE 34 Rev 6 SERVICE MANUAL lt Installation MEDLEM 6 INSTALLAT
71. rect use but also regular maintenance and checks This precaution will guarantee that the equipment works safely and efficiently Periodic maintenance consists of checks performed directly by the operator and or by Technical Service The following checks are performed directly by the operator e Check that labels are intact and fixed on well e Check that there is no oil leaking on the tubehead e Check that the X ray button cable is not broken or scratched e Check that there is no external damage which might jeopardise the safety of the protections against X rays e Check the centering of the X ray beam e Check the balance of the scissors arm WARNING The operator must inform Technical Assistance immediately if there are any irregularities or damage In order to keep the initial features of the equipment we recommend a general overhaul once a year by a Technician authorised by Villa Sistemi Medicali In addition to the checks listed above the Service technician may also perform checks on e The adjustment of extension and DP arm frictioning mechanism e The adjustment of the DP arm balance springs if necessary WARNING Only technicians authorised by the Manufacturer are allowed to carry out adjustment during maintenance operations ENDOS AC ACP CE 60 Rev 3 SERVICE MANUAL lt ME 7 2 Arm adjustment NOTE It is not necessary to dismantle the tubehead to adjust
72. risks and disposal i RHOD RO A NAA SH ASA 5 2A Symbols Hr Se UN QUERN ea Cea a 6 3 DESCRIPTION 7 eol Identification labels Pet ka PD DR C NR 7 3 2 Functions Models and Versions 9 3 2 1 Extension arm and scissors rennt 9 8 272 TT behead ete oS EA 9 320 32 TID siete b k uu 10 3 39 Configurations 11 3 3 1 Standard configuration Sexo oet i UR Kee Saa p 11 3 3 2 Remote timer configuration 12 3 3 3 Dental chair 13 3 3 4 Ceiling configuration 14 3 3 5 Mobile stand configuration a y a meme 15 3 3 6 Remote X ray button configuration 16 4 TECHNICAL DATA 17 4 1 Method for correcting exposure Ermessen eni loves 20 4 2 Method for measuring technical factors eese 22 4 3 Correct use of dosimeters to measure exposure times 23 4 4 Curves tube features HER HG aides 25 4 5 Reference Standard tet esta adit eod ala 29 4 6 Overall ditensionS co u x A 31 5 PRE INSTALLATION 33 S I Mounting methods s eet oi aedis 33 542 Electri pDre SetlIng ore RE OR be v ve rx E SEWER REED IM ria Us
73. ristics Syr idees zs E N Rev 2 27 ENDOS AC ACP CE SERVICE MANUAL MEDLEM Technical data Heat storage kJ Curve tubehead cooling 160 E kJ 80 0 100 200 300 400 time min ENDOS AC ACP CE 28 Rev 3 SERVICE MANUAL Technical data 4 5 Reference standard Enforceable regulations CEE 93 42 EN 60601 1 EN 60601 1 1 EN 60601 1 2 EN 60601 1 3 EN 60601 1 4 EN 60601 2 7 see NOTE EN 60601 2 28 NOTE The technology employed in AC intraoral equipment where the line voltage is applied simultaneously to the high voltage transformer and to the filament of the Rx tube causes the two following deviations according to EN 60601 2 7 ed 1998 requirements a b The exposure time cannot be defined with an accuracy lower than the length of a 50Hz line period 20ms and than two 60Hz line periods 16 6ms In fact exposure time is defined as the interval between the instant when the anodic current exceeds 25 of the steady state value and the instant when it goes below this value It is evident that in the anodic current rise current see Figure paragraph 4 3 you have the uncertainty of 1 peak in determining the first peak which exceeds 25 of the steady state anodic current When running at 60Hz you must also consider that selectable times in the timer are not always multiples of the line period This introduces a further app
74. roximation that the timer executes automatically to carry the selected time to the nearest multiple of the line period EN 60601 2 7 ed 1998 regulation defines precisely that for each pair of exposure times in ENDOS AC ACP equipment is the only selectable parameter with a near relation but lower than 2 dose linearity is calculated by the formula Dose tl rl Dose 12 02 lt 0 2 Dose t t1 Dose t2 t 2 Again due to the characteristic the anodic current rise curve equipment the linearity limit is not respected for very short exposure times In fact it is evident that for any exposure time a basal dose is emitted produced in the period between the application of voltage to the tubehead and the time when anodic current exceeds 2596 of steady state assumed as the exposure time start Rev 2 29 ENDOS AC ACP CE lt SERVICE MANUAL LLA MEDLEM Technical data Moreover the interval between exceeding 25 of the steady state anodic current and reaching running point the anodic current grows and with it the dose rate making the emitted dose non proportional to the exposure time The use of a tube with grid substantially limits the basal dose and also the dose emitted at the start of the exposure time before the anodic current reaches the stationary status In ENDOS AC ACP equipment typically the basal dose and the dose emitted in the interval when the anodic current varies between 25 o
75. see paragraph 4 1 only during exposure or holding the X ray button pressed at the end of it Press button to proceed to the following step P1 8 Last exposure time storage This selection enables disables storage of the last Anatomic and Size selection or of the exposure time executed r 1 stores the last exposure time r O does not store the last exposure time Press increase and decrease button to select the requested value If you select r 1 when switching the system on again the last selected time before switching off the equipment appears Press button to stop set up operations ENDOS AC ACP CE 78 Rev 4 SERVICE MANUAL LLA Sera The following table displays the values of the programmable parameters Display Parameters Set Value WARNING Selection of line voltage 230 Selection of the tubehead supply _ 1 1 mode 7 derived from label P07 Selection of compensation 015 exposure time Selection of compensation pre P08 001 ignition time Selection of break factor Time between activation Ready 15 and exposure Selection of high voltage value 0 tubehead Digital radiography enabling d 1 Correction factor film sensitivity Correction factor for Digital 0 2 Radiolography Selection of base value of exposure 0 30 time Zero setting of exposure meter P1 7 Enabling of Ready button Last exposure time storage WARNING N Parameters marked with 1 in the fol
76. st resistance 6800 100W to terminals X3 and X4 check the following note 3 Select an exposure time of about 2s on the timer and emulate more exposures 3 or 4 in these conditions there is no X ray emission as the tubehead is disconnected 4 Ifthe fuse melts there is a short circuit on the power board so replace the timer 5 Ifthe fuse does not melt check possible marking errors on the tubehead cable making sure to put the scissors arm in a safety condition by closing it and tying it so as not to harm people or the arm itself NOTE d If you do not have a test resistance the test may be performed in a similar way but after each exposure the error message E23 will be displayed Zero set it by switching the timer on and off again e Check that cables are labelled correctly 1 Close the two parts of the scissors arm and tie them together 2 Lift the protection cap of the sliding connector until you see the insertion slot of the elastic ring 3 Holding the tubehead with one hand remove the safety ring gt Remove the tubehead gently rotating it if necessary 5 Using a digital multimeter read the resistance values with scale bottom of about 1 or lower check that the cable marked L2 X3 is connected to the central terminal of the sliding contact male placed in the arm this is tested if the multimeter reads a very low resistance value near zero Q if you measure a high value generally s
77. t cover complete 6661310100 ENDOS ACP front cover complete 6661310300 Remote Timer front cover complete F2 2300974100 Fuse 6A F 6 3x32 Mounted on Power PCB F4 2300938000 Fuse 630mA T 5x20 Mounted on Power PCB F1 2300974100 Fuse 6A F 6 3x32 For mobile version 4560311800 Fuse holder For mobile version 4560311900 Cap for fuse holder ENDOS AC ACP CE 108 Rev 2 SERVICE MANUAL lt Spare Parts ME Rev 2 109 ENDOS AC ACP CE SERVICE MANUAL Spare parts 2 EXTENSION ARM SCISSOR ARM Ref VSM code Description Note 1 6661210000 Scissor arm joint covers kit DX SX 2 8161200602 Scissor arm complete 3 6661210100 Extension arm end covers kit 4 5160402800 Seeger 5 5461205002 Sliding cover of seeger 6 6661210200 Extension arm frictioning mechanism 7 5160249500 Busher 2 28 mm 8 8161200302 Extension arm 30 cm 8161200502 Extension arm 60 cm 8161200402 Extension arm 80 cm 9 8161200202 Extension arm 30 cm for ceiling version 10 5260119100 Rotating bushing for ceiling version 11 5160119200 Seeger for extension arm fixation to ceiling support ENDOS AC ACP CE 110 Rev 6 SERVICE MANUAL Spare Parts 5 MEDICALI Rev 2 111 ENDOS AC ACP CE SERVICE MANUAL Spare parts 3 MOBILE STAND Re
78. the arms If you think that this operation is useful or necessary before removing the tubehead put the scissors arm in the closed position and tie it up using the safety clamp to prevent harming people or the arm itself The arms may need adjusting in the following cases e the movement of the extension arm combined with the scissors arm is not considered to be ergonomic by the end user in this case it will be necessary to adjust the extension arm frictioning mechanism e the scissors arm is not perfectly balanced in this case you must adjust the springs Rev 2 61 ENDOS AC ACP CE SERVICE MANUAL Maintenance 7 2 1 Adjusting the extension arm support frictioning mechanism The device to adjust the arm support frictioning mechanism is placed on the front of the wall support To make this adjustment you must proceed as follows 1 Remove the plastic timer cover by loosening the two sealing screws placed on the lower part of the wall plate Lift the plastic cover from the bottom and push it upwards to release it from the upper stops Be careful not to disconnect the connecting cables 2 Usinga 2 mm hexagon wrench adjust the frictioning mechanism screws 1 until the movement of the arm is ergonomic 3 Reposition the plastic cover when you have finished 1 Figure 7 1 ENDOS AC ACP CE 62 Rev 3 SERVICE MANUAL Maintenance MEDICAL 7 2 2 Adjusting the extension arm fricti
79. uorescent screen not provided to display the radiation at the end of the collimator press key and check simultaneous o start up of the green indicator j press the X ray button and check the simultaneous start up of the luminous indicator fis and the production of the acoustic signal for X ray emission NOTE When pressing the READY key the system not only enables exposure but it will also start displaying on the display the exposure time calculated according to the compensation of fluctuations of the line voltage see paragraph 4 1 If these tests are positive THE EQUIPMENT IS READY FOR USE Rev 2 57 ENDOS AC ACP CE lt SERVICE MANUAL LLA MEDLEM Installation 6 6 2 ENDOS AC timer 1 X ray emission yellow LED 2 Green LED Ready for END X ray i a 3 Exposure enabling sS READY 1 m ud 4 Increase key N 5 Decrease key b P d 6 Three figure display Figure 6 18 Control keyboard ENDOS AC All the functions of the equipment are set to standard values and tested in the factory during the final test Some functions however can be adjusted by Technical Service only after setting up or according to particular needs see chapter 8 After connecting the equipment to line voltage perform the following functional tests 1 Turn the general switch placed in the lower part of the timer to ON and check that the switch

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