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DISTRIBUTOR TECHNICAL MANUAL TROUBLE SHOOTING

1. A EI un rco Deeg Key High Kew Baseline E Auto O Iso 2 1131 Figure II 1 Spectral Analysis Window Modify the values Threshold V in the Info window to obtain those given in Figure II 1 Click on the corresponding arrows in the Boundary window to change the lower b Click on the corresponding arrows in the Windows mV window to change the 3 0 40 0 96 1 06 1 60 a limit values upper limit values 4 Double click on Target L in the Pos position 5 setup window to put the detector in the right Double click on Low current in the Windows mV window to have the right current 10 As at August 2004 Save these modifications by clicking on Threshold Set up in the Threshold setting window Click on Exit and re enter the same menu again Click on Spectrum to obtain the curve as in Figure II 1 again Click on Abort when the spectrum is completely displayed to stop the X ray emission Click on Search Peak in the Threshold setting window to obtain Figure II 2 The Low Threshold Ch and respectively the High Threshold Ch in the search peak window have to be very close to the Threshold Ch in the Info window of the Spectrum Analysis The Peak channel must be at 134 2 channels 11 To modify the Peak channel refer to the Instructions gt p 51 II Placing Into Operation Spectral Analysis x
2. Unscrew the two screws at the peak of the scanner arm which yield the tension of the belt 2 3 4 5 6 f Replace the belt Fix the detector unit to the belt Tauten the belt by the aid of a screw clamp at the peak of the arm and screw tight After the replacement of a drive belt the detector unit has to be realigned gt p 53 As at August 2004 49 IV Instructions 5 Replacing the scanner keyboard l de Remove the arm cover gt p 41 Unplug the flat keyboard connection cable at port J1 see Figure IV 3 from the keyboard transfer board 3 Remove the emergency stop button by unscrewing it at the cover s inside Remove the keyboard from the arm cover Stick the flat cable of the new keyboard through the slot in the arm cover and glue the keyboard to its intended position Plug the keyboard connector in port J1 of the transfer board gt Figure IV 3 Reinstall the emergency stop button 8 Reinstall the cover As at August 2004 50 IV Instructions 6 Peak channel adjustment Note Soldering iron might be requested Step 2 of the following procedure is only valid for firmware versions from 1 73 up to 2 0 as the peak channel is automatically controlled by a closed loop at superior versions Thus if the closed loop control of the latter does not yield a proper peak channel carry out the procedure skipping the first step 1 Carry out the Spectrum analysis gt p 7 2
3. Threshold setting Ch Start Ch End Ch size Tau msec i x ellene A i shold setup Debug ris Low Threshold ch 41 98 rch Pik ent Sat MN High Threshold Ch 109 164 Max al Ch n 135 1 318mY SIE 134 Chi OCh2 a Detector mm tL p KR Creuse 00 Sa DT Windows mY 557 mv Low Current HighCurren Es Si 01501 Tcs O Iso 2 1131 60 381 59658 60381 156 621 Info Threshold Y 0 40 0 96 Threshold 1 06 1 60 Threshold Ch 041 098 Threshold Ch Boundary Xray Low Key HighKev Baseline fx Auto Spectrum Figure I1 2 Spectrum after clicking on Search Peak 6 Alignment checking The alignment checking has to be performed each time the machine has moved for example from the office to the doctor s place This step will be performed with 6 Aluminium boards 6 Aluminium boards Figure I1 3 Alignment checking example for the position 180 250 1 Select Forearm as the current examination district Software gt 807 5 Software gt 1 5 a Starting from the main menu click a Starting from the main menu click Utilities gt District gt Current Tools gt Set up gt District district b select Forearm select Forearm c Click Ok gt V gt V c Click Ok gt 1 0 gt Confirm and Exit As at August 2004 9 II Placing Into Operation
4. gt I O the new one gt Confirm and Exit 6 Click on update V gt X gt V gt V 7 Run another phantom acquisition and analyse it 8 Repeat the same procedure until you find the good results The acceptable error is less than 2 9 Update the configuration disk of the device see step 10 below As at August 2004 13 II Placing Into Operation 10 Updating the configuration disk When you have changed either the Calibration adj or and the Atn Target L_Kev and the Atn Target H_Kev you have to update the configuration disk 1 Insert the configuration disk in the computer and enter the Windows Explorer 2 Select the winmoc cfg file in OSTEOCOR and copy it on the floppy disk 3 The floppy disk is now updated 11 Entering the data of the clinic 1 Rename the database Enter the name of the medical centre or the doctor s name Software gt 807 5 Software gt 1 5 a Click Utilities gt Filename gt PIP a Click TOOLS gt Set up gt User b Erase the name given by default and enter b Erase the name given by default and enter the new name In the field under the the new name In the field under the name enter the following name enter the following code 971033391 code 971033391 c Confirm by clicking OK c Confirm by clicking OK d Click OK to accept a new database d Click OK to accept a new database e Click Exit e Clic
5. radiation Tighten the screws 6 Make sure the count rates are not differing too much from those given on the Fiche Recapitulative delivered with the device If they are carry out the scanner alignment in Y direction gt above If the reference values can not be obtained in spite of several essays refer to chapter III 6 1 Low count rate gt p 30 As at August 2004 56 IV Instructions 8 Verifying the monoblock feedback Note Multimeter requested 1 2 Remove the small plate from the monoblock Remove the right side panel 3 Select Forearm as the current examination which covers connector P6 on the source board district Software gt 807 5 Software gt 1 5 window a Starting from the main menu click a Starting from the main menu click Tools Utilities gt District gt Current district gt Set up gt District b select Forearm b select Forearm c Click Ok c Click Ok 4 Position monoblock and detector in the middle of the table Software gt 807 5 Software gt 1 5 a Still in the Utilities menu click Diag a Still in the Tools menu click Scanner utility gt Remote control gt Remote control b Place a phantom or 6 aluminium boards b Place a phantom or 6 aluminium boards in the middle of the table in the middle of the table c Use the keyboard to position monoblock c Use the keyboard to position monobl
6. 2 Check the count rates at five different positions Software gt 807 5 Software gt 1 5 a Click Utilities gt Diag Utility a Click Tools gt Scanner gt gt Scanner motion Numbering gt Movement b Enter the position 50 50 and press b Enter the position 50 0 and click on V Return c Click X after the movement c Click Exit after the movement d Place the aluminium plates in the line of d Place the aluminium plates in the line of the x ray beam the x ray beam e Start radiation by clicking Start and wait e Click Diag Utility gt Scanner counts until the displayed count rates stay gt Start constant f Note down the high and low energy f Note down the high and low energy counts counts 3 Repeat step 2 for the following positions Software gt 807 5 Software gt 1 5 50 500 360 500 360 0 and 180 250 0 500 310 500 310 0 and 150 250 4 Check that the counts are almost equal for all positions with a precision better than 5 a Ifnot carry out the alignment of the arm angle gt p 54 and repeat the check b If you can not reach the precision in spite of several essays the unit might be mechanically bent out of shape In this case contact the After Sales Service Management 5 Make sure the count rates are not differing too much from those given on the Fiche Recapitulative delivered with the device If they are carry out the scanner alignm
7. 70 C or the oil temperature is gt 65 C Open Collector Output max 24Vdc 50mA opened if the current in the X Ray tube is gt 0 525mA i Open Collector Output max 24Vdc 50mA opened if the voltage in the X Ray tube is gt 99 75kV Green Led means that there is power supply on the Vac IN inputs Yellow Led means that there is X Ray emission Red Led FAULT VOLT protection Red Led TEMP protection Red Led OVER mA protection Red Led OVER kV protection N BOSELLO High Technology Figure IIT 6 source information 29 II Trouble Shooting 6 1 Low count rate Symptoms The count rates obtained during the daily system calibration is low compared with the original values given on the Fiche Recapitulation which is delivered with the device The acquisition might deliver a noisy image The spectrum using Forearm district might not correspond to Figure II 1 gt p 4 In case of very serious lack of counts the software error message counts too low appears after the warm up Procedure Note Find a synopsis of this Procedure on page 33 1 Make sure the peak channel is at 134 gt p 44 Adjust the peak channel if necessary 2 Check the alignment of source and detector Redo the alignment if necessary gt p 53 3 Verify the monoblock feedback gt p 57 If the feedback is correct go on with step 8 of the procedure gt If the monoblock feedback is not correct 4 Make sure all
8. Click Ok gt V gt V d Enter the Tools menu again 5 Measure the high current values Software gt 807 5 a Putthe 14th aluminium sheet in the middle of the imaging table on the other ones b Click EXIT gt Diag Utility gt Scanner count gt Start c Wait the stabilisation of the counts and write the different values high energy and low energy in the board corresponding space in the Excel file d Put another sheet on the others e Repeat this procedure until you have filled in all the spaces high current side up to 21 plates Then click Stop gt Exit Software gt 1 5 a Put the 14th aluminium sheet in the middle of the imaging table on the other ones b Click X gt Scanner gt Numbering gt Start c Wait the stabilisation of the counts and write the different values high energy and low energy in the board corresponding space in the Excel file d Put another sheet on the others e Repeat this procedure until you have filled in all the spaces high current side up to 21 plates Then click Stop gt X 6 Exit to main menu Software gt 807 5 Click I O gt Confirm and Exit Software gt 1 5 Click V gt V 10 3 Enter the k coefficient in the S W The Excel file is calculating all the parameters itself Make sure the curves are linear If not repeat the procedure and take care again to wait the stabilization of the
9. Click Scanner gt Remote Control and and adjust the position of the detector to adjust the position of the detector to be be above the aluminium sheets with the above the aluminium sheets with the laser laser beam and the keyboard beam and the keyboard c Click EXIT gt Diag Utility gt c Click X gt Scanner gt Numbering Scanner count gt Start gt Start d Wait the stabilisation of the counts and d Wait the stabilisation of the counts and write the different values high energy write the different values high energy and and low energy in the board low energy in the board corresponding corresponding space in the Excel file space in the Excel file e Put another sheet on the others e Put another sheet on the others As at August 2004 61 IV Instructions f Repeat this procedure until you have filled in all the spaces until the 13th board Then click Stop gt Exit f Repeat this procedure until you have filled in all the spaces until the 13th board Then click Stop gt X 4 Select Spine as the current examination district Software gt 807 5 a Starting from the main menu click Utilities gt District gt Current district b select Spine c Click Ok gt I O gt Confirm and Exit d Enter the Utilities menu again Software gt 1 5 a Starting from the main menu click Tools gt Set up gt District b select Spine c
10. FU14 and FUIS at the main power plug gt p 44 Cl No hs Remove the side panel gt p 41 and make sure the circuit boards are all properly plugged in the main board Check the fuse FU12 gt p 44 9 Check the fuses FU1 FU2 and FU3 on the main board 7 p 44 Ge 3 2 Wrong image colours Symptoms The colours on the desktop of the scanner software are not correct Icons might be unreadable Procedure 1 Make sure the screen configuration is properly set in the configuration panel under Windows see Figure III 1 To enter click right on any free area of the desktop and select Properties then Settings in the popping up window The colour parameter has to be set to High Colour 16 bit The screen area has to be set to 800 x 600 pixels As at August 2004 19 III Trouble Shooting Display Properties Figure III 1 PC display properties As at August 2004 20 II Trouble Shooting 4 Communication Description and explanation The scanner is communicating with the PC via a RS 232 serial bus Commands sent by the PC will be manipulated and passed on by the CPU board In the opposite direction the scanner is sending its feedback to the PC Besides the CPU receives commands entered in the scanner keyboard when the remote control application mode is active 4 1 No communication between PC and Scanner Symptoms No reaction of both the scanner and the software when icons are
11. NOTE Once the calibration is performed click on UTILITIES Software gt 807 5 or Tools Software gt 1 5 Type 971033391 instead of a password and create a new one 5 Spectrum Analysis 1 Select Forearm as the current examination district Software gt 807 5 Software gt 1 5 a Starting from the main menu click a Starting from the main menu click Utilities gt District gt Current Tools gt Set up gt District district b select Forearm select Forearm c Click Ok c Click Ok d Quit by clicking on V d Quit by clicking I O gt Confirm and As at August 2004 El II Placing Into Operation Exit 2 Enter the Spectral Analysis window Software gt 807 5 Click Utilities gt Diag Utility gt Spectrum analysis Software gt 1 5 Click Tools gt Scanner gt Analysis GJ Spectral Analysis Lx 30 Max al Ch n 135 1 318mY Threshold setting Ch Start Ch size Ch End Ss el Tau msec IT Theshold setup Ct IT Search Pik Ch auto Ch1 Ch 2 Pos setup 60381 59658 60381 156621 156478 156 621 Ares Detector mm Info Target L Threshold 0 40 0 96 Threshold Y 1 06 1 60 CTanetH iii iil iia Threshold Ch 041 098 Threshold Ch gem lt Boundary Xray chy Low Current Lab EC Kev Tau HighCurren eneen em
12. To modify the Peak channel a Adjust the potentiometer on the High voltage power supply HVS board see Figure IV 9 Turn it clockwise to decrease the value anti clockwise to increase the value Note At HVS boards with three such potentiometers always adjust the upper one b Run the Spectrum again check the new peak channel by clicking on Search peak Repeat this step until the peak channel is at 134 2 Potentiometer P1 Figure IV 9 HVS board 3 If the peak channel value is limited in that it is not increasing in spite the adjustment the position of jumper W1 see Figure IV 9 has to be changed Place the jumper one position further to the left and retry step 11 As at August 2004 51 IV Instructions 4 If it s not possible to adjust the search peak replace resistor R2 see Figure IV 9 by a 150 KQ resistor Move jumper W1 two steps further right before restarting the procedure at step 1 As at August 2004 52 IV Instructions 7 Alignment of the unit Note 6 Aluminium plates requested 6 aluminium p lates The laser position must be on the top board and placed on the table We remind you to shootin low energy 4 screws to make the arm turn around the column m PI de W dai rad ied A eq ll Si Two screws to separate the monoblock from Two screws on each side to separate the the detector and adjust manually its position on monoblock fr
13. Warning Don t open the OSTEOCOR program before having copied the Dati file 6 Go into C OldOSTEOCOR copy the Folder Dati and paste it inside C OSTEOCOR 7 Enter the scanner software 8 Check if the correct database is used see point 2 As at August 2004 64 IV Instructions tm Patient amp Result DataBase X Sc paz95001 mdb yeh az96001 mdb 3 challeng dati J scratch Figure IV 13 Database We remind you that the Winmoc CFG contains the Database name If you load another Winmoc CFG than the one that you have the habit to use do not forget to replace the Doctor s data which are printed on the top of exam report see on the Distributor Technical Manual page 11 point 1 12 Software gt 1 5 1 Insert the installation disc 2 If the installation is not started automatically select the file setup exe in the content of the installation disc 3 A communication window will ask if installation shall be started Click install 4 The next window asks if already existing files shall be replaced Click next then finish 5 Restart the PC 6 Click next in the appearing window 7 select your language 8 Click next again the installation will be finished As at August 2004 65 IV Instructions 12 Replacing one of the boards plugged in the main board CPU HVS Power Supply Motor Analysis board 1 Remove the left side panel 2 Remove the
14. Winmoc cfg from the floppy disk to the new folder OSTEOCOR in the hard disk C OSTEOCOR The installation is now completed Software version gt 1 5 l Insert the installation disc As at August 2004 6 II Placing Into Operation 2 If the installation is not started automatically select the file setup exe in the content of the installation disc Click next gt finish in the Install Shield Wizard window Restart the PC Click next in the appearing window select your language Click next again then finish Insert the configuration disk Copy all files from the floppy disk to the new folder OSTEOCORE in the hard disk CAOSTEOCORE 10 The installation is now completed 11 Double click on the OSTEOCORE icon 12 Click Yes to create a dati folder SE es D 13 Click Yes to create a new database 14 The message system calibration remove patient appears Click on Yes Source and detector will now move to the starting point 15 Click Yes to confirm the warm up 3 Mechanical checking After removing the transportation locks see page 14 please check that each electronic board is plugged properly Check the mechanical movement of the tube when the Device is OFF 4 Warm up 1 Plug the wires supply and serial connection and switch the Scanner and the computer on 2 Double click on the software icon and start the warm up That will last about 15 minutes
15. X Emergency stop Keyboard Figure II 8 general cabling synopsis As at August 2004 II Trouble Shooting lil TROUBLE SHOOTING This chapter delivers procedures to be followed step by step in order to find the source of an occurring problem Retry the troubled function after each step carried out The appropriate work instructions indicated have to be found again in chapter INSTRUCTIONS page 39 and the following 1 Initial Investigation Before starting in on the specific trouble shooting the following questions should be concerned 1 Might the problem be due to an application error 2 Does the problem still come up after a complete system restart 3 Has any component or configuration in either hardware or software of the system been changed or manipulated before the problem came up 4 Has any incidence happened during the past application which could be the source of the problem If the problem is not seized or solved after these initial questions find the formulation of your problem again in the following trouble shooting As at August 2004 17 II Trouble Shooting 2 Software Error Messages Description and explanation The software shows an error message window any time an inadequate function of the system is registered Find below a list of possible error messages together with the corresponding chapters to refer to Software message Counts too low Chap
16. board 15V Supply Tension T 500mA FU 2 main board 15V Supply Tension T 500mA FU 3 main board 5V Supply Tension T 1 6A FU 4 main board Motor X board input T6 3A FU 5 main board Motor Y board input T6 3A FU 6 main board external radiation pilot lamp T 3 15A FU 7 transformer T2 black cable 110V output tension T 2A FU8 transformer T2 brown cable 220V output tension T1A FU10 transformer T1 orange cable Motor Y board input T 1 6A FU11 transformer T1 white cable Motor X board input T 1 6A FU12 transformer T1 brown cable main board power supply T 2A FU13 transformer T1 blue cable Source power supply T 3 15A FU14 drawer below input plug main input tension T 5A T 10A FU15 drawer below input plug main input tension T 5A T 10A Table IV 1 Fuses Fuses in the drawer below input plug 1 Unplug the power supply and take out the drawer between the socket and the master switch Lever it open with a small screwdriver as shown in Figure IV 6 Figure IV 6 Pulling out fuse drawer As at August 2004 44 IV Instructions Fuses on the main board 1 Remove the side panel gt p 41 2 Pull the box of the corresponding fuse off the board Fuses at transformers 1 Remove the side panel gt p 41 2 Unscrew the capsule of the corresponding fuse and take the fuse out As at August 2004 45 IV Instructions 3 Checking and tightening pulleys l Remove scanner covers gt p 41 Find drawings of the sc
17. cables are properly fixed in connector JP6 5 Verify the tensions at the test points of the calibration board see Figure III 7 and Table IL 11 Adjust by the aid of the two potentiometers if necessary 6 Verify if the voltages at connectors JP1 and JP2 of the calibration board Figure III 7 correspond to the values given in Table III 1 If not a Test the conductivity of connectors and cables with an ohm meter and try to measure the corresponding tensions at connector J6 on the main board see Table III 1 Check the fuse FU13 gt p 44 c If the conductivity is guaranteed the problem is most possibly due to the monoblock itself 7 Reinstall the software gt p 64 If this step does not help the problem is most possibly due to the monoblock itself gt If the monoblock feedback is correct 8 Remove the right side panel gt p 41 Start x ray emission again Find connector JP9 on the main board gt p 40 and measure the voltage on pin 3 in relation to pin 1 GND with a multimeter in DC mode Repeat the measurement on pin 3 this time holding the second multimeter probe to any metallic part of the frame Make sure the values are the same in both measurements If not the ground cable might be badly connected 9 Still at connector JP9 on the Main board x ray active Measure the tensions at pins 3 4 and 5 and compare the values to those given in Table III 2 If they are correct go on with step 6 of the procedure As at A
18. column two behind the panel just pulled off and one to be reached through the opening on the bottom side of the column cover 1 3 Reinstalling arm cover Horizontal section detector arm 1 Plug in again the keyboard connector in port J1 of the keyboard transfer board see Figure IV 3 Thread the other cables from the front to the back over the crossbeam at the spike of the bonnet Let the back part of the bonnet down so that the three screw holes in the bonnet come to lie on the corresponding fastening points of the detector arm Insert the screw in the front part but do not screw tight yet Orientate the scanner arm crossways over the table as if to do an examination Adjust the cover position by pushing it fore or backwards to align the rear end of the cover with the cover of the column Tighten the screw in the front part as soon as the cover is well aligned Swing the scanner arm open until it is orientated alongside the table carefully as the back part is not yet fixed Insert and tighten the two screws in the back 8 Reinstall the column panel Upright section Column l Reinstall the three screws As at August 2004 43 IV Instructions 2 Checking fuses Note Always check fuses with an ohm meter The visual test alone is not sufficient Find the fuses by referring to the table below Position Circuit Value FU 1 main
19. in the result table in the BMD column 12 If there is a difference more than 2 refer to 9 Adjustment of the phantom results gt p 13 8 2 Forearm results Figure II 5 Forearm Region of Interest Put the Forearm phantom on the imaging table on the sticker In the main menu click on Acquisition Choose Phantom in the patient list and select Forearm as the District Click on Scan Init Click on OK to confirm the position of the phantom Only Software gt 807 5 Click on OK if the first percentage is in the range of 5 and if the second is in the range of 10 If it is the first Phantom click twice on OK At the end of the acquisition click on Baseline gt Local BL gt Yes Do An D Fo 8 Draw the Baseline according to Figure II 6 Figure Il 6 Local BL at Forearm 9 Analyse the image Software gt 807 5 Software gt 1 5 a Click on Analysis a Click on Analysis gt Automatic b Draw 2 manual areas outside each rectangle of the phantom so as to analyse the 2 different areas To analyse an area As at August 2004 12 II Placing Into Operation click on New area gt manual set a first point at the top left corner of this area by clicking with the left button of the mouse then a second one at the bottom right part of this area still with the left button of the mouse a b
20. mechanically by the aid of pulleys drive belts and axes see part Instructions Figure IV 7 and Figure IV 8 The maximum range of the movement is determined by a stop switch at the end of each movement direction The positioning is supported by a laser beam indicating the current position of the acquisition unit source and detector As at August 2004 23 II Trouble Shooting MEANING OF THE SIGNALING LED ON THE MOTOR CONTROL BOARD LEDHV ON OFF LEDFC ON OFF LED TER ON OFF LED FAU ON OFF LED COF ON OFF As at August 2004 HV FC TER FAU COF DRIVE CONDITION LOFF OFF ON Wrong supply voltage LOFF OFF OFF ON Wrong OFF ON OFF OFF Wrong ON __ ON ON Thermal protection S OFF ON Short circuit at motor output OFF OFF OFF Drive working at full current OFF Wrong ORANGE COF LED Lon TER LED O COF orange OP SMTCH FAU red TER yellow GRETA FCLED GREEN HU LED Switch M POLES CONNECTOR DM 41612 0 y FC green HV green 4 LH GMD 04 GMD 06 Dm n iens in rilim stare Supply voltage inside correct operating range Drive not supplied or supply voltage out of the correct operating values in the second case you have also LED FAU is on Full current at drive outputs normally without jumper FC drive is at full current when INPUT STEP is driven Reduced current at drive outputs 65 of Ine Drive placed in no
21. of the detector arm gt p 41 2 Unplug the detector gt If only the photomultiplier tube shall be replaced separate the detector board from the tube gt Ifthe whole detector unit tube detector board shall be replaced unplug connector FPJ99 of the detector board 3 Pull the photomultiplier tube straight up out of the capsule If this is not possible loosen the two headless screws which fix the capsule to the arm see Figure IV 14 Figure IV 14 Detector screws fixing the capsule 4 Insert the new detector in the capsule If the two capsule screws were loosened retighten them Plug the detector again Reinstall the arm cover Carry out the peak channel adjustment gt p 51 Redo the calibration gt p 60 Having finished this procedure the correction of soft tissue coefficients has to be carried out In this regard call the after sales service management 2 0 OA As at August 2004 68 IV Instructions 15 How to send a DAX file Note 1 empty Floppy disc requested EN G a E Starting from the main menu click Database Select the patient whose DAX file shall be sent Select the wanted district In the right down comer of the desktop a field named image will indicate a number associated to this patient e g M XXXX XX Write this number on a sheet of paper and repeat the procedure for all the patients that you want to send us 5 Quit the software and enter the Microsoft Windows
22. plate fixing the boards to the main board slots Older versions got a bonnet instead of the plate 3 Find the board to be replaced by the aid of Figure IV 1 gt p 39 4 Ifnecessary unplug connectors from the board CPU board Flat cable or peak channel control board according to firmware version b Analysis board Flat cable or peak channel control board depending on firmware version c HVS board Cable from peak channel control card only if firmware version gt 2 2 5 Pull the board carefully out of the slot 6 Insert the new board and make sure it is well plugged in the main board Plug in the connectors again 7 Reinstall the plate removed in step 2 As at August 2004 66 IV Instructions 13 Replacing the detector board Remove the cover of the detector arm gt p 41 Unplug the connector of the detector board Pull the board carefully straight up and off the detector Install the new board PILE Sg aI aa Reconnect the board Attention Make sure the connector is correctly plugged Pin delay might cause severe damage to the new board Reinstall the arm cover Carry out the peak channel adjustment gt p 51 Redo the calibration gt p 60 Having finished this procedure the correction of soft tissue coefficients has to be carried out In this regard contact the after sales service management 2 2 SH E As at August 2004 67 IV Instructions 14 Replacing the detector 1 Remove the cover
23. sn tu A A a ave 30 6 2 Radiation interrupted during SCAN a 34 6 3 Software message Error X ray generator a is 34 6 4 Software message Error with peak set 35 6 5 COMA Pate SL a a eut 35 7 Results Representation Ml 36 7 1 Examination results SUS EE 36 T2 A A E seams 36 ED Bad Mage GY EE 37 7 4 Image saturated bones displayed in blue colour 37 7 5 Loosing acquisition data after sCcM A 6 den RS a nn de AG 38 DN INS FRUCTIONS cuidara at sa 39 I Removing scanner COVERS A A AA 41 Ide Removing side pan aa 41 TM R moving arm Cover cerei NE a a a a a ne 41 1 3 R i stalling arm COVER etiseri ier is 43 As at August 2004 2 Table of contents Ze ACWECKING EE 44 3 Checking and tightening tl Sn RL onus as bates anced eine AOS 46 4 Replacing detector drive Det eA eae i Ras Rae eee 49 5 Replacing the scanner keyboard este eege Gees 50 6 Ee Us id e ege 51 Te Alignment EE 53 Dele Angleof the detector arm srona enn Ee 54 T2 TE e Te ET 54 T3 Alignmentin A A A Mae ives 55 8 Verifying the monoblock TE6d back iii as 57 9 Replacing the monoblock ed eh da ad ne 59 10 Calibration OF the UAM ii AAA plas AA ti d 60 10 1 e irrita ii aras 60 10 2 Attenuation board Ain conse ees 61 10 3 Enter the k coefficient in EE 62 Fis Remstallino hs evant a a ial dae a i aai 64 12 Replacing one of the boards plugged in the main board CPU HVS Power Supply Motor Ee NEE 66 1 Replacing the detect
24. up Setup gt Electronic b Select the Forearm in the field labelled b Select the Forearm in the field labelled Current district Current district c Make sure the 3 numbers in the field c Make sure the 3 numbers in the field labelled Quality Control are equal to 0 labelled Quality Control are equal to 0 If not write 0 for the 3 of them and click If not write 0 for the 3 of them and click on Update on V d Repeat from step 2 and 3 selecting d Repeat from step 2 and 3 selecting Spine Femur L and Femur R in the Spine Femur L and Femur R in the Current district field Current district field e Then click on Exit gt 1 0 gt Confirm e Then click V gt V gt V and exit 6 5 Count rate instable Symptoms The count rates indicated after each calibration acquisition are strongly varying Procedure 1 As this problem is most probably due to faulty x ray emission or detection carry out the procedure 6 1 for low count rates gt p 30 As at August 2004 35 II Trouble Shooting 7 Results Representation Storage Description and explanation Based on coefficients given in the system configuration e g RST Calibration parameters the diagnostic values are computed from the pre processed signal transmitted from the scanner to the PC The results are displayed in the form of an image in which different colours i
25. working state by thermal protection in this case LED FAU is on Temperature in working range Drive placed in no working state by one of the following protections a Thermal protection if LED TER on b Max or Min supply voltage if LED HV off c Short circuit or wrong motor connection if LED HV on and LED TER off Drive in working state if LED HV on CURRENT OFF driven drive disabled from an external command Drive active Figure III 3 motor board LED 24 II Trouble Shooting 5 1 No Movement Symptoms Commands meant to position monoblock and detector yield no reaction from the scanner or the reaction is other than a movement Either both or only one direction is blocked Procedure Note Find a synopsis of this Procedure on page 26 1 Ifthe problem only comes up when using the scanner keyboard refer to page 22 2 Ifthe movement is blocked although the motors are obviously turning search for mechanical reasons a Make sure the transport lock is removed from the monoblock b Check the pulleys and tighten if necessary gt p 46 c Check the drive belts and replace if necessary gt p 49 3 Check the LED on the motor power boards see Figure III 3 If the LED signal is not correct go on with step 6 If the LED signal is correct i e green LED on while the others are off 4 Check the connectors and the conductivity between the motors and the main board with an ohm meter 5 Switch t
26. 381 156 621 156 478 Info a e Threshold 0 40 0 96 Threshold Y 1 06 1 60 Threshold Ch 041 098 Threshold Ch TC Boundary Xray Sp STE og en un Im i ii Low Key High Kev Baseline CH Auto 156 621 Threshold setting Ch Start Ch End Ch size Tau msec Search Pik Ch auto OCh1 CCh2 Pos setup Detector mm Manual Target L Windows mW ectrum Low Current HighCurren 5 O lso 1 TC99 Iso 2 1131 Figure IV 12 Spectral Analysis Window 4 Modify the values Threshold V in the Info IV 12 0 40 0 96 1 06 1 60 5 values 6 values As at August 2004 window to obtain those given in Figure Click on the corresponding arrows in the Boundary window to change the lower limit Click on the corresponding arrows in the Windows mV window to change the upper limit 60 IV Instructions Double click on Target L in the Pos setup window to put the detector in the right position 8 Double click on Low current in the Windows mV window to have the right current 10 11 12 13 14 15 Save these modifications by clicking on Threshold Set up in the Threshold setting window Click on Exit and re enter the same menu again Click on Spectrum to obtain the curve as in Figure IV 12 again Click on Abort when the spectrum is completely disp
27. August 2004 39 IV Instructions OOWO LX OMVSE FU11 1 64 FU 10 1 64 beds EJE Sun 2x SE CONNECTEUR SOURCE BOSELLO E SC i Qe y Pez 3 ee 4 1 eg y 9 PI owo sl 4 5 8 o o z 13 qm s bs oa JE a INT gee l S Ale 28 ere j XO pri s Sitte E x E 2 El ei Dt Pol a SGT Ds o CH g H x Q eet 2 E yb SM t gt Ka 2p 6 8 y FOWL ZX OMVOZ AS232 REAR PANEL tmoe C bie 3x 24AWG R5232 MAIN BOARD Figure IV 2 General Cabling As at August 2004 40 IV Instructions 1 Removing scanner covers 1 1 Removing side panel 1 Unscrew the four screws and remove the panel Attention As the slide in frame has to be pulled out to reach the upper screws of the panel the table is not fixed in the transport position folded up table ends so one will have to fix them in some other way It might cause injury or damage if it falls down 1 2 Removing arm cover Note The bonnet is most easily unscrewed by the use of an Allen Key 4mm with a short handle Horizontal section detector arm 1 Remove the panel at the bottom side of the arm six screws 2 Disconnect connectors at J4 J2 and J5 from the keyboard transfer board see Figure IV 3 Note Instead of a plug there might be a clamp at J4 which has to be unscrewed i a 3 j black grey SAzZaINad black red brown gt ye
28. DISTRIBUTOR TECHNICAL MANUAL TROUBLE SHOOTING OSTEOCORE OSTEOGORE SELECT Dual Energy X Ray Absorptiometry Osteodensitometer MEDILINK Diagnostic Medical Systems Parc de la M diterran e District de Montpellier 34470 P rols France Date of release August 2004 Version 01 Doc 52 035 01 Table of contents TABLE OF CONTENTS I FOREWORD de la delo RQ tad 4 Ts PEACINGIN TO OPERATION e es o 6 Ls R g ired equipment su Ad A ar A A A ni Ni 6 De SoftWareinstallatiOn it ias 6 Ce Te RE EE H eu EE 7 Da APEC O arios 4 6 A IAN 9 ES EE O adlacicna ied he 10 Oa IRESUICONITOL sie a oka eae a en ee 11 Bil Apt deed eege re 11 8 2 2 POAT MINTO E 12 9 Adjustment of the phantom tel E 13 10 aro ap ix AA A se 14 Ply Entering the data of thie CHING errar 14 HL TROUBLE SHOOTING anti ed nn une aie 17 Li SAT TAN ES EE EE 17 25 EE Error Messages dunan Se nt tel a nn ae ta tee ba nes ee 18 3 1 Starting Up the A e E Matte eae send A eas 19 31 NO power SUPPLY micas ds 19 3 2 Wrong image COMES a 19 EH 21 4 1 No communication between PC and Scanner 21 4 2 Keyboard commands not Obi iii adas dida 22 5 M ying and e 23 Sale No Moy ment anonser Ee Eege 25 5 2 Movement stops during acautsitton 26 5 3 Di scontin ous movements sigen ie a g aaa 2 5 4 Loud noise during positioning SRE NN a An ee ne tn se 27 Rides Laser PO UG not WISI See mr ST A ne Re ae 27 OZ ACEQUIA A a as hier 28 Ol Low count fate
29. Explorer 6 7 8 Click C gt OSTEOCOR gt Dati gt Scratch Copy all files named by the noted numbers and ending with dax to the floppy disc Send the file attached to an email to the after sales service department SUPPORT MEDILINK FR As at August 2004 69 VI Appendix V REFERENCES e User Manual e Technical Manual As at August 2004 70 VI Appendix VI APPENDIX 1 Compatibility of soft and firmware versions Firmware Software Windows 1 73 2 0 up to 807 5 98 As at August 2004 Table VI 1 71
30. Notice a T E x System Info Computerised Bone Densitometer Version 8 0 7 3 for Windows System Configuration Microsoft Windows Version 3 95 Enhanced Mode Driver Video 53 Trio64 2 DX GX 775 785 Resolution 1024 x 768 Colors 65536 Version DOS 7 10 Mouse Souris standard Network unknown Processor Memory and Resources gt Link CPU 486 or Higher Free memory space 133 693 440 bytes Link speed 9600 baud GDI Firmware version 0 USER ez A W Figure LI System Info window As at August 2004 4 I Foreword Sometimes procedures and instructions are specific for the firmware version of the scanner In this case the corresponding firmware version will be indicated To figure out which version you are running click on the company logo in the main menu which will yield the window shown in Figure I 1 However do not hesitate to call the after sales service management to ask for technical support whenever you are in need of it Reminder Make use of the REQUEST FOR EQUIPMENT SUPPORT form delivered with the device every time a problem comes up As at August 2004 5 II Placing Into Operation II PLACING INTO OPERATION 1 Required equipment Software gt 807 5 Software gt 1 5 e A computer at minimum PENTIUM 200 e A computer at minimum PENTIUM 200 e 16 Mb RAM minimum e 16 Mb RAM minimum e A colour printer By default a Hewlett e A colour printer By de
31. amination district Software gt 807 5 Software gt 1 5 a Starting from the main menu click a Starting from the main menu click Tools Utilities gt District gt Current district gt Set up gt District b select Forearm b select Forearm c Click Ok gt I O gt Confirm and Exit c Click Ok gt V gt V 5 Carry out the alignment in Y direction Software gt 807 5 Software gt 1 5 a Starting from the main menu click a Starting from the main menu click Tools Utilities gt Diag Utility gt Scanner gt Scanner gt Numbering gt Start Counts gt Start b Move the detector a little back and b Move the detector a little back and forward to adjust the alignment The forward to adjust the alignment The alignment will be adjusted when the alignment will be adjusted when the counts are maximum counts are maximum c Click Stop gt X to determine radiation c Click Stop gt Exit to determine d Tighten the screws radiation d Tighten the screws 6 Make sure the count rates are not differing too much from those given on the Fiche Recapitulative delivered with the device If they are carry out the scanner alignment in X direction gt below 7 3 Alignment in X 1 Position the detector in the middle of the table Software gt 807 5 Software gt 1 5 a Click Utilities gt Diag Utility gt a Click Tools gt S
32. anner mechanics on page 47 and the following Switch the device on Try to move the monoblock manually on the X axis which is not possible if the pulleys are well tightened If the monoblock can move it means that a pulley has come loose on this axis Repeat the same operation for the Y axis 5 Repeat the same operation by moving the detector manually alongside the arm when the unit is switched on If the detector can move remove the arm cover to get access to the upper pulleys Each pulley is fixed to an axis with two headless screws We advise you to change the screws and add Loctite 243 when fixing the new one As at August 2004 46 IV Instructions p Pulleys to check Es ee Pulley to check Figure IV 7 mechanical transmission of movements lateral view As at August 2004 47 IV Instructions Pulleys to check 2 HG M5x8 2 CHC M3x12 2 CHC M4x16 Internal monoblock view Pulleys and screws associated 2 CHC M4x2 2 CHC M3x12 Figure IV 8 mechanical transmission of movements top view As at August 2004 48 IV Instructions 4 Replacing detector drive belt Experience shows that later scanner versions rarely have problems with the drive belts The same can be said about older versions only the detector drive belt in the scanner arm might cause problems 1 Remove the arm cover gt p 41 Separate the detector unit from the drive belt
33. canner gt Scanner Motion Movement b Enter the position 180 250 and press b Enter the position 150 250 and press Return Return 2 Place the aluminium boards in the line of the x ray beam 3 Unscrew the four screws fixing the monoblock to its support plate It can now be moved manually in X direction 4 Select Forearm as the current examination district Software gt 807 5 Software gt 1 5 a Starting from the main menu click a Starting from the main menu click Tools Utilities gt District gt Current gt Set up gt District district b Select Forearm b Select Forearm c Click Ok gt V gt V c Click Ok gt I O gt Confirm and Exit 5 Carry out the alignment in X direction As at August 2004 55 IV Instructions Software gt 807 5 a Starting from the main menu click Utilities gt Diag Utility gt Scanner Counts gt Start b Move the monoblock slightly forward and backward on the support plate The alignment will be adjusted when the counts are maximum c Click Stop gt Exit to determine radiation d Tighten the screws a C d Software gt 1 5 Starting from the main menu click Tools gt Scanner gt Numbering gt Start Move the monoblock slightly forward and backward on the support plate The alignment will be adjusted when the counts are maximum Click Stop gt X to determine
34. ck Take care in order to not damage circuit boards or any other scanner component 7 Insert the new monoblock The box including the circuit board has to show towards the left side panel 8 Insert the four screws but do not screw tight yet 9 Reinstall the Calibration Board 10 Plug in connector P6 on the source board 11 Reinstall the small plate that covers connector P6 12 Carry out the alignment gt p 53 13 Carry out the Calibration gt p 60 14 Having finished this procedure the correction of soft tissue coefficients has to be carried out In this regard call the after sales service management As at August 2004 59 10 Calibration of the unit IV Instructions 10 1 Spectrum 1 Open the Excel file Calibration Table and minimise it 2 Select Forearm as the current examination district Software gt 807 5 Software gt 1 5 a Starting from the main menu click a Starting from the main menu click Utilities gt District gt Current Tools gt Set up gt District district b select Forearm b select Forearm c Click Ok c Click Ok d Quit by clicking on V d Quit by clicking I O gt Confirm and Exit 3 Enter the Spectral Analysis window Software gt 807 5 Software gt 1 5 a Click Utilities gt Diag Utility a Click Tools gt Scanner gt Analysis gt Spectrum analysis 30 Max al Ch n 135 1 318mY 60 381 59 658 60
35. counts before writing them down 1 Enter the low current values Software gt 807 5 a Click Utilities gt District gt Software Setup b select Forearm in the field labelled Current District c Write the values k for the Forearm Low current k of the Low Energy column in Atn Target L_Kev k of the High Energy column in Atn Target H Kev d Click Update Software gt 1 5 a Click Tools gt Set up gt Data Processing b select Forearm in the field labelled Current District c Write the values k for the Forearm Low current k of the Low Energy column in Atn Target L_Kev k of the High Energy column in Am Target H Kev d Click V As at August 2004 62 2 Enter the high current values IV Instructions C Software gt 807 5 select Spine in front of Current District Write the values k for the Spine High current k of the Low Energy column in Atn Target L_Kev k of the High Energy column in Atn Target H Kev Click Update C Software gt 1 5 select Spine in the field labelled Current District Write the values k for the Spine High current k of the Low Energy column in Atn Target L_Kev k of the High Energy column in Atn Target H Kev Click V 3 Repeat step 2 selecting Fe
36. d mpe e 5 4 3 21 FT1 12345 o o o EY o 9 8 7 6 6 78 9 Figure IIT 2 interior communication cable 4 2 Keyboard commands not obeyed Symptoms One or several keys on the scanner keyboard do not yield the proper action when pressed Procedure 1 Replace the scanner keyboard gt p 50 2 Ifthe problem remains check if at all pins of connector J1 on the keyboard transfer board the tensions perform a step of 5V when the corresponding key is pressed If not follow the way of the respective cable and make sure conductivity is provided at any point As at August 2004 22 II Trouble Shooting 5 Moving and Positioning Description and explanation The monoblock and the detector are moved simultaneously driven by two stepper motors where motor Y moves them transversal towards the table and motor X moves the whole scanner arm alongside the table The corresponding commands either come from the scanner keyboard manual positioning or from the PC orders implemented in the software These commands are processed on the CPU board and passed on to the motor boards which supply the stepper motors with power and control signals On each motor board the combination of five LED indicate the current operating status see Figure III 3 In correct operation mode the lower green LED i e correct input voltage is lit the upper green LED signals correct output voltage during the movement The movement is transmitted
37. djustment as often as needed f Repeat the adjustment as often as needed 7 2 Drift of values Symptoms The results are constantly increasing or decreasing Procedure 1 As this problem is most probably due to an error of the detection unit carry out the procedure 6 1 gt p 30 As at August 2004 36 7 3 Bad image quality Symptoms Examinations do not yield a satisfactory image for diagnostic purpose for example because the whole image is noisy or because the image borders are not straight Procedure l II Trouble Shooting If only the raw image obtained directly after the acquisition and before the determination of the baseline is noisy the RST auxiliary parameter for the calculation of BMD might be badly set p Software gt 807 5 Click Utilities gt District gt Software Setup Increase the given value of the RST de base by 0 05 Exit by clicking Update gt Exit Carry out a new acquisition Repeat the RST adjustment as often as needed Software gt 1 5 Click Tools gt Setup gt Data Processing Increase the given value of the RST de base by 0 05 Exit by clicking V gt V Carry out a new acquisition Repeat the RST adjustment as often as needed 2 Ifthe image borders are not straight but alternating displaced to the left and to the right make sure the pulleys are tight gt p 46 If the image is noisy compare the c
38. e 1 Remove the side panel gt y s 2 Disconnect the white cable at pin 15 of the Source board connector P6 gt p 58 3 Carry out a new acquisition 4 After the verify if hide red LED is lit on the source board see Figure III 5 If yes the problem is TANSRA CRurthermora gere i isa TAPS port foekuctivity of the reset cable or CPU Hamaved yes As at August 2004 26 Pulleys tight no Pulley II Trouble Shooting 5 3 Discontinuous movement Symptoms The monoblock movement is performed intermittently Procedure 1 Ifthe problem only comes up when using the keyboard check the keyboard connections If the problem is not due to a faulty contact replace the keyboard 2 Check the conductivity of the motor supply connections especially the connector between main board and motor labelled motor step in Figure IV 2 3 Grease the poles on which the monoblock slides in directions X and Y towards the table 5 4 Loud noise during positioning Symptoms The movements are accompanied by loud noise Procedure 1 Remove the scanner covers gt p 41 and check all mechanical units pulleys drive belts axes cable fixation belts motors Try to localize the origin of the noise 2 Make sure all pulleys are tightened gt p 46 3 Grease the poles on which the monoblock slides in transversal direction towards the table 5 5 Laser point not visible Symptoms The laser indicating the current position
39. ent in X and Y direction gt p 54 and recalibrate the unit 7 Initialisation Because of variation of temperature and humidity the Scanner needs sometimes to be initialised in a new place before running for example This step will have to be performed again when the device will be installed in its definitive place Software gt 807 5 Software gt 1 5 1 Click Utility gt District gt Hardware 1 Click TOOLS gt Set up Setup gt Electronic 2 Select the Forearm in the field labelled 2 Select the Forearm in the field labelled Current district Current district 3 Make sure the 3 numbers in the field 3 Make sure the 3 numbers in the field labelled Quality Control are equal to 0 labelled Quality Control are equal to 0 If not write 0 for the 3 of them and click If not write 0 for the 3 of them and click on Update on V 4 Repeat from step 2 and 3 selecting 4 Repeat from step 2 and 3 selecting Spine Femur L and Femur R in Spine Femur L and Femur R in the the Current district field Current district field 5 Then click on Exit gt I O gt Confirm 5 Then click V gt V gt V and exit As at August 2004 10 II Placing Into Operation 8 Result control A sticker on the patient table indicates the correct positioning of the phantom 8 1 Spine results Figure II 4 Spine Region of I
40. fault a Hewlett Packard DeskJet 610C Packard DeskJet 610C e Windows 95 or 98 e Windows XP or 2000 e Screen configuration 16 bits with e Screen configuration 16 bits with 800 600 Pixels small fonts 800 600 Pixels small fonts e 3 software installation floppy disks e 1 installation CD version 1 6 or more e 1 configuration floppy that is specific to the e 1 configuration floppy that is specific to the unit unit e Phantoms Spine and Forearm phantoms e Phantoms Spine and Forearm phantoms are provided by the manufacturer are provided by the manufacturer 2 Software installation Software version gt 807 5 l 2 DRE ER 11 12 Insert the first installation disk Installation disk 1 3 Enter the Windows Explorer and select the floppy disk icon Insert the second installation disk when it is required Installation disk 2 3 and click on OK Double click on the set up application file icon showing a PC Click on OK Click on the computer icon the installation starts Insert the third installation disk when it is required Installation disk 3 3 and click on OK The installation has created a shortcut for the software click on it and slide it to the desktop Insert the configuration disk in the computer Disk Config 1 1 Copy all files from the floppy disk to the new folder OSTEOCORE in the hard disk C OSTEOCORE Click on the floppy disk and copy the file
41. he positions of connectors JP4 and JP5 in the main board see Figure IV 2 gt p 40 a Ifthe error comes up at the same motor this motor is defect and has to be replaced b If the error comes up at the other motor the problem is most probably due to the corresponding motor board If the LED signal is not correct i e both green LED off or any of the other LED is on 6 Press the motor boards towards the slots to reconnect them in case they are not 7 Switch the positions of the two motor boards board X in slot Y and vice versa If the error signal is on the same board on the opposite slot the problem is due to the board itself If the error signal is on the other board on the same slot it is a power supply problem In this case go on with step 7 Check the fuses FU 4 and FU 5 gt p 44 with an ohm meter 9 Check the connection between transformer T1 and the main board connector JP11B see p 40 a Check the fuses FU 10 and FU 11 7 p 44 with an ohm meter b Make sure all cables are properly fixed As at August 2004 25 II Trouble Shooting a _ _ o No moveme nt 4 Le A A qin CS US Ga A oard D ev no Keyboard ar q Figure UL A procedure no movement synopsis 5 2 Movement stops during acquisition Motor action no Symptoms The movement is carried out normally during the acquisition until it suddenly stops Procedur
42. k V 2 Write the medical centre address Software gt 807 5 Software gt 1 5 a Click Utilities gt Filename gt a Click TOOLS gt Set up gt Medical Medical Centre Info Centre Info b Enter the requested data b Enter the requested data c Click OK gt Confirm and Exit c Click V gt V Figure II 7 Transportation Locks As at August 2004 14 IL Placing Into Operation WARNING YOU WILL DAMAGE THE UNIT IF YOU DO NOT FOLLOW THE FAA ATTENTION 1 Remove side panel TA D H 2 Remove TRANSPORT X RAY FIXATION BLOCK e E EE 2 Remove TRANSPORT X RAY FIXATION BAR H 4 Remove the foam 4 Unscrew 2 screws Allen key size 3 5 Replace the side panel TRANSPORT X RAY FIXATION BLOCK TRANSPORT X RAY FIXATION BAR Unscrew 2 screws Allen key size 4 nscrew 2 screws AS she 3 ll 4 y Remove thg foam As at August 2004 15 II Placing Into Operation pr m W Hi mA Emission High Votage el e 7 mid Monoblock sauce i ei activation A a p tt UR Analysis board I Els Kray amplification detector Detector high voltage supply board IE H y Ai ing y detection of j of 1 ection of arm opening sl 5 d 1 Stop switches Y pc CPU board Stop switches
43. layed to stop the X ray emission Write the Cps Low and Cps High mean values found under the curve in the excel file Calibration Table Repeat the Spectrum analysis this time changing following parameters a select Spine as the current examination district b Double click on Target H in the Pos set up area and on high current in the bottom right part of the window Write Cps Low and Cps High mean values found under the curve in the Excel file Calibration Table 10 2 Attenuation board filling Note 21 aluminium sheets requested l Open the Excel file labelled Calibration Table All the measured counts have to be entered there 2 Select Forearm as the current examination district Software gt 807 5 Software gt 1 5 a Starting from the main menu click a Starting from the main menu click Tools Utilities gt District gt Current district gt Set up gt District b select Forearm b select Forearm c Click Ok gt I O gt Confirm and Exit c Click Ok gt V gt V d Enter the Utilities menu again d Enter the Tools menu again 3 Measure the low current values Software gt 807 5 Software gt 1 5 a Put 6 Aluminium sheets in the middle a Put 6 Aluminium sheets in the middle 180 250 of the imaging table 150 250 of the imaging table b Click Diag Utility gt Remote Control b
44. llow blue green ellow Figure IV 3 Keyboard transfer board connectors 3 Unplug the blue and the red connector of the cables coming from the emergency stop button 4 Three screws are fixing the upper section of the arm cover two of which in the back and the third in the front To reach those in the back first pull the flat front panel off the column fixed to it by four pieces of Velcro strip Swing the scanner arm open until it is orientated alongside the table and stick the short Allen key through the opening at the bottom side As at August 2004 41 IV Instructions Figure IV 4 Screws fixing the bonnet in the back view from below 5 See Figure IV 5 Lift the rear part of the cover while holding onto the front part 1 Pull the cover slightly towards its front 2 to be able to set it entirely upright 3 with the left hand while holding onto the spike with the other aera La Figure IV 5 Removing the arm bonnet 6 Unplug the connector at port K1 of the keyboard transfer board see Figure IV 3 Attention Take care in order to not touch the detector board by lowering the cover as this might cause severe damage to the board Upright section Column 1 To remove the cover of the upright arm section first pull off the flat panel at the table side fixed to the column by four pieces of Velcro strip As at August 2004 42 2 IV Instructions Three screws are fixing the cover to the
45. lue square appears adjust it outside the ROI and double click inside to obtain the BMD c The third area is made with the automatic mode 10 Compare the theoretical BMD written on the phantom and the calculated BMD values displayed in the result table in the BMD column 11 If there is a difference more than 2 refer to 9 Adjustment of the phantom results gt p 13 9 Adjustment of the phantom results If there is a difference between the measured phantom results and the theoretical values written on the phantom you will have to adjust the Calibration Adj parameter 1 For each value solve following equation Coefficient theoretical value measurement The theoretical value is the one that is written on the phantom 2 Take the average of the 3 coefficients Average coefficient coefficient coefficients 3 Software gt 807 5 Software gt 1 5 3 Click Utility gt District gt Software 3 Click TOOLS gt Set up gt Data Setup at the top right part of the window Processing at the top right part of the you will find the old Calibration Adj window you will find the old 4 Calculate New Calibration Adj Calibration Adj Average old Calibration Adj 4 Calculate New Calibration Adj 5 Replace the old Calibration Adj by Average old Calibration Adj the new one 5 Replace the old Calibration Adj by 6 Click on Update gt Exit
46. mur L in front of Current district 4 Repeat step 2 selecting Femur R in front of Current district 5 Exit to main menu Software gt 807 5 Click I O gt Confirm and Exit Click V gt V Software gt 1 5 6 Update the configuration disk of your device gt p 14 As at August 2004 63 IV Instructions 11 Reinstalling the software Software gt 807 5 Normal software architecture C OSTEOCOR Dati Ly Scratch Img xxxxx Ldb Img xxxxx Mdb Paz xxxxx Ldb Paz xxxxx Mdb The scratch file contains all the patients exams Example M xxxxxx dax ze Caution X can be a number or a letter WARNING Before making any procedure please check the architecture that you have and write it on a paper In case of problem it will be easier to restore the database 1 From the main menu click Utilities gt Filename gt Patient s database 2 You can have several databases used The name of the currently selected database is written in pink see Figure IV 13 3 Note the name of the database used on a piece of paper and check at the end of the procedure if you are using the good one 4 Go into the windows explorer and select CHOSTEOCOR Click and rename the folder for example C OldOSTEOCOR 5 Reload your software copy the Winmoc CFG the Winmoc INF must be copied only if you have the software version 8 07 4 inside C OSTEOCOR
47. ndicate different bone densities After the doctor has defined the baseline and the ROI the program calculates the diagnostic values BMD Z score T score and creates a diagram which shows the patient s result referring to the normal curve The results are stored in the data base where they can be reloaded and dealt with any time after the acquisition Besides each examination is stored as an image file in the scratch folder 7 1 Examination results mistrusted Symptoms The measured values are suspected to be too low or too high Procedure 1 Carry out an examination on the phantom and compare the obtained results with those given on the document labelled Fiche Recapitulation delivered with the device If the measurement strongly deviates from the reference enter the Software Parameters window and adjust the calibration Software gt 807 5 Software gt 1 5 a Click Utilities gt District gt a Click Tools gt Setup gt Data Software Setup Processing b Increase decrease the given value of the b Increase the given value of the Calibration adj by 0 05 Calibration adj by 0 05 c Exit by clicking Update gt Exit c Exit by clicking V gt V d Carry out a new acquisition d Carry out a new acquisition e Verify the agreement of the measurement e Verify the agreement of the measurement and the reference values and the reference values f Repeat the a
48. nterest Put the Spine phantom on the imaging table on the sticker In the main menu click on Acquisition Choose Phantom in the patient list and select Spine as the District Click on Scan Init Click on OK to confirm the position of the phantom Only Software gt 807 5 At the end of the 15 seconds calibration click on OK if the first percentage is in the range of 5 and if the second is in the range of 10 If it is the first Phantom click twice on OK ON AA Zei Ze 7 At the end of the acquisition click on Analysis 8 Click on OK to load the phantom acquisition 9 Click on BASELINE and adjust it around the phantom as shown on the picture then double click inside 10 Analyse the image Software gt 807 5 Software gt 1 5 a Click on Analysis a Click on Analysis gt Automatic b Draw one manual area inside each rectangle of the phantom so as to analyse the 3 different areas To analyse an area click on New area gt manual set a first point at the top left corner of this area As at August 2004 11 II Placing Into Operation by clicking with the left button of the mouse then a second one at the bottom right part of this area still with the left button of the mouse a blue square inside appears adjust it and double click inside to obtain the BMD 11 Compare the theoretical BMD written on the phantom and the calculated BMD values displayed
49. ock and detector on this target and detector on this target d Click Exit in the remote control d Click X in the remote control window 5 Start the x ray emission Software gt 807 5 Click Diag utility gt Scanner Counts Software gt 1 5 Click Scanner gt Numbering gt Start gt Start 6 When the x ray tube is emitting check the voltage on connector P6 a The voltage between the pin 9 and the ground must be 9 05 Volts b The voltage between the pin 8 and the ground must be 2 Volts As at August 2004 57 7 Quit to main menu IV Instructions P6 white o gt 2 R le 2 0 white y 2 green FX olo ola GIE S Oln Si Figure IV 11 connector at source board Exit Software gt 807 5 Click Stop gt X gt I O gt Confirm and Software gt 1 5 Click Stop gt X gt V As at August 2004 58 IV Instructions 9 Replacing the monoblock 1 Remove the side panels gt p 41 2 Remove the small plate from the monoblock which covers connector P6 on the source board 3 Unplug connector P6 from the source Attention Do never pull the connector holding onto the cables as this might probably cut connections 4 Unscrew the calibration board from the monoblock 5 Remove the four screws fixing the monoblock to its support plate 6 Remove the monoblo
50. of the unit cannot be lit Procedure 1 Ifthe problem only comes up when using the scanner keyboard refer to page 22 2 Verify the supply voltage between pins 1 and 6 of connector FJP8 on the main board see Figure IV 2 amounts 5V when the laser is switched on If the voltage is correct the problem most probably comes from the laser itself As at August 2004 27 II Trouble Shooting 6 Acquisition Description and explanation The source monoblock emits a pencil beam of x rays which is attenuated when traversing the patient body before being detected by a photomultiplier tube placed in the scanner arm This analogical signal including count rate and pulse amplitudes of detected photons is pre amplified on the detector board and routed to the main board connector JP9 see p 40 On the Acquisition board the input signal is filtered to obtain the high and the low energy components of the spectrum Then it is converted analogue to digital and passed on to the CPU board The high voltage supplying the source is generated on a circuit board which is part of the monoblock and therefore not accessible On the outside of the monoblock the calibration board is fastened which enables to control the source supply voltage The detector tension comes from the High Voltage Supply board HVS It normally amounts 800V but can be increased in older scanners to compensate detector fatigue Note If the detector is working properly it records low co
51. om the frame and adjust the Y axis manually its position on the X axis Figure IV 10 Alignment As at August 2004 53 IV Instructions 7 1 Angle of the detector arm 1 Position the detector in the middle of the table Software gt 807 5 Software gt 1 5 a Click Utilities gt Diag Utility gt a Click Tools gt Scanner gt Scanner Motion Movement b Enter the position 180 250 and press b Enter the position 150 250 and press Return Return 2 Place the aluminium boards in the line of the x ray beam 3 Unscrew the four screws at the top of the column so as to be able to move the angle of the arm gt Figure IV 10 you ll be able to reach these screws by removing the panel at the bottom side of the arm 4 Select Forearm as the current examination district Software gt 807 5 Software gt 1 5 a Starting from the main menu click a Starting from the main menu click Tools Utilities gt District gt Current district gt Set up gt District b select Forearm b select Forearm c Click Ok gt 1 0 gt Confirm and Exit c Click Ok gt V gt V 5 Carry out the alignment of the arm angle Software gt 807 5 Software gt 1 5 a Starting from the main menu click a Starting from the main menu click Utilities gt Diag Utility gt Scanner Tools gt Scanner gt Numbering gt Counts gt Start Start b M
52. or board EE 67 14 Replacing ET 68 K AAA A 69 Ve REFERENCES O 70 VI APPENDIX 0 EE 71 1 Compatibility of soft and firmware vergiong 71 As at August 2004 3 I Foreword I FOREWORD This manual was made up to support technicians at installing and repairing the present bone densitometer Its content is divided into three main parts The Placing into operation contains the instructions how to install and configure the system The Trouble Shooting shall help seizing the most common problems which might come up during the application of the system It is subdivided with respect to the system s functional units which are briefly presented in the Description and Explanation This section shall help to understand the functioning and communication of the scanner in untroubled application The respective problem on your device is supposed to be found again in the given description of the Symptoms whereas the Procedure gives advise how to identify its source step by step Retry the troubled function after each step carried out The Instructions in the last part of this document deliver all information necessary to exert the works announced in the Trouble Shooting The chapter TROUBLE SHOOTING delivers procedures to be followed step by step in order to find the source of an occurring problem The appropriate work instructions indicated have to be found again in the following chapter INSTRUCTIONS General
53. ount rates obtained during the daily system calibration with the original values given on the Fiche Recapitulation which is delivered with the device If they are relatively low refer to procedure 6 1 gt p 306 1 7 4 Image saturated bones displayed in blue colour Symptoms Instead of a reasonable medical image bone tissue is displayed all in blue without yielding any diagnostic information Procedure l As this problem is most probably due to faulty x ray emission or detection carry out the procedure 6 1 for low count rates gt p 30 As at August 2004 37 II Trouble Shooting 7 5 Loosing acquisition data after scan Symptoms Examination data can not be found in the database Procedure 1 Make sure the software path leads to the currently used data base Software gt 807 5 Software gt 1 5 a Click Utilities gt Filename gt a Click Tools gt Information Patient s database b The currently selected databases for b You can have several databases used The patients and pictures are indicated in name of the currently selected database is the corresponding fields written in pink see Figure IV 13 p 65 As at August 2004 38 IV Instructions IV INSTRUCTIONS Detector Board Keyboard Board LED Board Transformers Motor boards d Power Supply Board Analysis Board HVS Board CPU Board Figure IV 1 board positions As at
54. ove the detector from the right hand b Move the detector from the right hand side to the left hand side to adjust the side to the left hand side to adjust the alignment The alignment will be alignment The alignment will be adjusted when the counts are maximum adjusted when the counts are maximum c Click Stop gt Exit to determine c Click Stop gt X to determine radiation radiation d Tighten the screws d Tighten the screws 6 Check the alignment following the instructions on page 9 The angle will be aligned if the counts in the four corners are equal to those in the middle with a precision of 5 a Ifnot repeat the alignment of the arm angle b If you can not reach the precision in spite of several essays the unit might be mechanically bent out of shape In this case contact the After Sales Service Management 7 2 Alignment in Y 1 Position the detector in the middle of the table Software gt 807 5 Software gt 1 5 a Click Utilities gt Diag Utility gt a Click Tools gt Scanner gt Scanner Motion Movement b Enter the position 180 250 and press b Enter the position 150 250 and press Return Return As at August 2004 54 IV Instructions 2 Place the aluminium boards in the line of the x ray beam 3 Unscrew the two screws at the bottom of the column to move separately the detector and the monoblock gt Figure IV 10 4 Select Forearm as the current ex
55. rify if the procedure succeeded Software message Error X ray generator Symptoms Software message Error X ray generator Procedure 1 Make sure the scanner arm is entirely in position 2 Check the LED on the source board gt Figure III 5 3 Verify if the voltages at connectors JP1 and JP2 of the calibration board Figure III 7 correspond to the values given in Table III 1 If not a Test the conductivity of connectors and cables with an ohm meter and try to measure the corresponding tensions at connector J6 on the main board see Table III 1 b Check the fuse FU13 gt p 44 c Ifthe conductivity is guaranteed the problem is most possibly due to the monoblock itself As at August 2004 34 II Trouble Shooting 6 4 Software message Error with peak set Symptoms Software message Error with peak set Procedure 1 Make sure the count rates during the daily system calibration is in the range of the original values given on the Fiche Recapitulation delivered with the device If not refer to chapter 6 1 Low count rate gt p 30 2 Carry out the spectrum analysis gt p 7 and make sure the obtained spectrum fits the given example 3 Carry out the peak channel adjustment gt p 51 4 Ifall the tests above are positive refresh the initialization Software gt 807 5 Software gt 1 5 a Click Utility gt District gt Hardware a Click TOOLS gt Set
56. selected which send commands to the device Only database management and software configuration can be carried out Procedure 1 Make sure the data cable is well connected to both the PC and the scanner 2 Ifa second data cable is accessible replace the data cable If not this test can be skipped and carried out later 3 Remove the side panel gt p 41 Make sure the CPU board is well connected to the main board 4 Make sure the yellow connector in JP1 Liaison PC on the main board is well connected 5 Plug out the data cable at the scanner s outside and plug it in JP1 on the main board in place of the yellow connector If the communication works go on with step 8 gt If the communication still does not work 6 Replace the data cable 7 Replace the CPU board gt If the communication works 8 Unplug the interior communication cable from the main board yellow connector in JP1 and the data cable at the scanners outside connection to the PC Verify the conductivity of the interior data cable by testing pins 2 3 and 5 of the exterior SUB D plug and the interior SUB D connector yellow with an ohm meter 9 If pins are not connected search the whole cable for observable damages and check the solder joints at the connectors Solder bad joints or replace defect cable respectively As at August 2004 21 II Trouble Shooting RS232 CONNECTOR RS232 PLUG FEMALE Cable 3x 24AWG 1m00 MALE black 1m00 black red o re
57. ter 6 1 Low count rate Error with peak set 6 4 Software message Error with peak set Error X ray generator 6 3 Software message Error X ray generator Safety button is closed None pull out the emergency stop button Scanner off line As at August 2004 3 1 No power supply indicated 18 II Trouble Shooting 3 Starting up the scanner Description and explanation As soon as the scanner is switched on the green Power LED on the scanner keyboard lights The software asks to remove the patient for calibration After confirmation the source and the detector move to the calibration target at position 0 0 in the back left corner and is herewith ready for the warm up procedure The start up ends with the quality control window displaying the count rates of the warm up and their drift towards reference data 3 1 No power supply indicated Symptoms The green Power LED on the control panel is not lit after the scanner is switched on The error message scanner off line may appear on the PC screen Procedure 1 Ifall scanner functions work anyway make sure the Power LED is intact 2 Make sure the power supply is plugged in 3 Make sure the input voltage selector and the output voltage selector besides the plugs are adjusted correctly 220V 110V Make sure the scanner lock is unclosed Make sure the scanner is switched on Check the fuses
58. ugust 2004 30 II Trouble Shooting ov 1 D po oo 8 DS from A VA G to main board source O oto oo O oa o e Cm mm FJP2 Main J6 Colour of cable CAL JP1 CAL JP2 Testpoint U V INIAN Table III 1 Tensions calibration board Origin GND Signal from detector detector supply Negative pre amplifier supply Positive pre amplifier supply Emergency stop button Table III 2 Tensions connector JP9 on Main board 10 If the detector supply does not amount about 800V at pin 3 of connector JP9 a Check if this tension is measurable at resistance R11 on the HVS board see Figure IV 9 If not the problem might be due to the HVS board b Make sure the cables are conductively fixed in the connector crimps If yes the problem might be due to the Main board 11 If one of the amplifier supply voltages at pins 4 and 5 does not amount 15V a Check if the tensions are measurable at Test points 1 and 2 on the main board gt p 40 If not check the corresponding fuse FUSE 1 15V FUSE 2 15V with an ohm meter and replace if necessary If the fuses are good the problem might be due to the power supply board b Make sure the cables are conductively fixed in the connector crimps If yes the problem might be due to the Main board 12 Remove the arm cover gt p 41 Check if the detector board is physically damaged As at Aug
59. unt rates about 10cps even if the source is not emitting x rays The source stops radiation automatically as soon as tube overheating or excessive mA kV or supply voltage are detected In this case the corresponding red LED is lit on the source board see Figure III 6 Connector P6 Figure IIS Source board As at August 2004 28 II Trouble Shooting XRG 95 IT X RAY GENERATOR CONNECTIONS AND SIGNALINGS RX50WRO ELECTRONIC BOARD Vac IN Vac IN GND 10V ABILIT mA RIF kV RIF OUT mA OUT kV GND Power Supply Inputs 48Vac 5 150VA 50 60Hz Power Ground connection Output 10V 10 max 10mA Enable Input a voltage 10 24Vdc enables X Ray emission Linear Analog Input mA Demand 1V 0 5mA in the X Ray tube Linear Analog Input kV Demand 4 8V 95kV in the X Ray tube Linear Analog Output mA Feedback 10V 0 5mA in the X Ray tube Linear Analog Output kV Feedback 10V 95kV in the X Ray tube Logic Ground connection ENABLE OUT Open Collector Output max 24Vdc 50mA closed to GND when Ray emission is enabled FAULT VOLT Open Collector Output max 24Vdc 50mA opened if an internal or OVER mA OVER kV As at August 2004 external power supply problem occurs y Input power supply less than 33Vac or more than 61Vac internal 15Vdc less than 13Vdc internal 12Vdc more than 10Vdc Open Collector Output max 24Vdc 50mA opened if the power board heatsink temperature is gt
60. ust 2004 31 II Trouble Shooting 13 Start x ray emission and measure the tensions at connector JP1 on the detector board see Figure III 8 Make sure the values fit those given in Table III 3 If they do not check the cable between Detector board and Main board with an ohm meter Figure IIT 8 Detector board pin numbering Origin positive pre amplifier supply negative pre amplifier supply detector supply signal GND Table III 3 Tensions connector JP1 on detector board 14 Make sure the cables are conductively fixed in the connector crimps 15 Replace the detector and the Detector board 16 Replace the Analysis board As at August 2004 32 P Low count rate d Search Peak II Trouble Shooting Adjustment yes alibration Pal etnont board Test no gt Se and kV pins unit aligned no gt Alignment yes yes Y fo Calibration Conductivity feedback board 1 0 onectors Cable yes yes yes Main JP9 software re no gt Source U Pin3 Pin1 no nl GND cable installation U Pin3 mass yes yes Software elev el nm zl HVS board R11 on HVS Connector JP9 intact yes yes Connector on Main board Main board Uat Testpoints yes yes yes Power Suppl
61. y board Cable yes Connector on Detector board Connector JP1 intact yes Solved with ew detector Analysis board yes 4 Detector Detector board DO ei Fuse Figure IIT 9 procedure low count rate synoptic As at August 2004 no gt Connector Cable 6 2 II Trouble Shooting Radiation interrupted during scan Symptoms The acquisition begins trouble free but during the scan radiation is stopped while the movement goes on The image on the screen thus stays uncompleted Procedure 1 Remove the side panel 2 Disconnect the white cable at pin 15 of the Source board connector P6 gt p 58 3 Carry out a new acquisition 4 After the acquisition verify if LED 4 is lit on the Source board If yes the problem is due to overheating of the source 5 Remove the large panel which covers the source board 6 Put some heat conductive paste on the front surface of the big metallic block on the source board gt p 28 Figure II 5 the mentioned surface is painted grey Reinstall the cover panel 8 Make sure forearm is selected as the current examination district 10 11 6 3 Start an acquisition Decrease the tube current by adjusting potentiometer P2 on the calibration board see Figure IH 7 until 1 95V will be measured at test point TP3 T Start an acquisition to ve

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