Villa Rotograph EVO User manual

Release 14 September 2011 (Rev. 1)
Rotograph EVO 0051
Service Manual

SERVICE MANUAL
Revision history
(Rev. 1) Rotograph EVO
Revision history
Rev. Date Page/s Modification description
0 02.07.09 - First release
1 14.09.11 All ETL certification label added.
Fixing dowels specification improvement on
pre-installation chapter.
New wall fixing bracket.
Added Note for column height adjustment.
"Rotograph EVO" no more displayed at
device switching ON.
Release FW version 1.05 on CPU board.
New laser model for patient centering.
New symbols on identification labels.
EMC tables on "Warnings" paragraph added.
Film/screen combinations table updated.
New TMJ positioner.
Release FW version 1.06 on CPU board (DAP
value added).
New handle for Ceph arm installation.
Schematics and drawings improvement.
Spare Parts updated.
(Ref. RDM 6936, RDM 6941, RDM 7086,
RDM 7113, RDM 7178, RDM 7201, RDM 7249,
RDM 7274, RDM 7296, RDM 7358, RDM 7367,
RDM 7369, RDM 7370, RDM 7393, RDM 7400,
RDM 7402, RDM 7437, RDM 7461, RDM 7473,
RDM 7535)

SERVICE MANUAL
Revision history
Rotograph EVO (Rev. 1)
THIS PAGE IS INTENTIONALLY LEFT BLANK

SERVICE MANUAL
Contents
(Rev. 1) Rotograph EVO
i
Contents
1. INTRODUCTION 1-1
1.1. Icons appearing in the manual ............................................................ 1-2
1.2. How to contact VILLA SISTEMI MEDICALI technical service ................ 1-2
2. SAFETY INFORMATION 2-1
2.1. Warnings ............................................................................................. 2-2
2.1.1. Electromagnetic emissions ...............................................................2-5
2.1.2. Electromagnetic immunity................................................................2-6
2.1.3. Recommended separation distances for non-life supporting
equipment........................................................................................2-7
2.2. Environmental risks and displacement ................................................ 2-8
2.3. Symbols used ...................................................................................... 2-9
3. DESCRIPTION 3-1
3.1. Identification labels and laser labels .................................................... 3-1
3.1.1. Identification labels and laser labels "220-240V" version ...................3-2
3.1.2. Identification labels and laser labels "110-120V" version ...................3-3
3.2. Function, Models and Version ............................................................. 3-4
3.2.1. Film / Screen combinations .............................................................3-5
3.2.2. Basic version....................................................................................3-6
3.2.3. Version with cephalometric device ....................................................3-6
3.2.4. EVO XP (Extended Projection Package) - Optional .............................3-7
3.3. Block diagram ..................................................................................... 3-8
3.3.1. Power supply assembly.....................................................................3-9
3.3.2. CPU Board (A5 and A6) ..................................................................3-10
3.3.3. Generator Board (A10) and Tubehead .............................................3-11
3.3.4. Keyboard (A4)................................................................................. 3-12
3.4. Control panel - Descriptions and functions........................................ 3-14
3.4.1. Key functions description ...............................................................3-17
4. TECHNICAL DATA 4-1
4.1. Applied safety regulations.................................................................... 4-6
4.2. Loading curve of the tube and cooling curve of the anode .................... 4-7
4.3. Measurement method of technical factors............................................ 4-9
4.4. Verification method of exposure parameters ...................................... 4-10
4.5. Dimensions........................................................................................ 4-12
5. PRE-INSTALLATION 5-1
5.1. Electrical setting up............................................................................. 5-2
5.2. Packaging ............................................................................................ 5-5

SERVICE MANUAL
Contents
Rotograph EVO (Rev. 1)
ii
5.3. Space requirements ............................................................................. 5-6
5.3.1. Version without CEPH...................................................................... 5-6
5.3.2. Version with CEPH........................................................................... 5-7
6. INSTALLATION 6-1
6.1. Setting of the wall ................................................................................ 6-2
6.2. Column mounting................................................................................ 6-3
6.3. Mounting of the rotating arm assembly................................................ 6-6
6.4. Mounting of CEPH-arm (Optional)...................................................... 6-10
6.5. How to mount the coverings............................................................... 6-12
7. MAINTENANCE AND SERVICING 7-1
7.1. Service tools......................................................................................... 7-3
7.2. Verification and centering adjustment ................................................. 7-4
7.2.1. Centering the X-ray beam for the PANORAMIC function.................... 7-4
7.2.2. Alignment for the CEPH function...................................................... 7-6
7.2.2.1. Rotation arm alignment ...................................................... 7-8
7.2.2.2. Ear Centering Circles setting.............................................7-10
7.2.2.2.1. Projection of Non-Concentric Ear Centering Circles...... 7-11
7.2.2.2.2. Projection of Vertically Non-Concentric Ear
Centering Circles ........................................................... 7-12
7.2.2.3. Soft Tissue Filter (STF) adjustment.................................... 7-13
7.3. Verification of exposure time parameters ........................................... 7-14
7.3.1. kVp ............................................................................................... 7-17
7.3.2. mA Check ...................................................................................... 7-18
7.3.3. Time .............................................................................................. 7-18
7.4. Storing of automatic exposure parameters ......................................... 7-19
7.4.1. Table of pre-set anatomic parameters ............................................. 7-20
8. TROUBLESHOOTING 8-1
8.1. LEDs.................................................................................................... 8-1
8.1.1. Generator board A10 LED ................................................................ 8-1
8.1.2. CPU board A5 LED........................................................................... 8-2
8.2. Displayed messages ............................................................................. 8-3
8.2.1. Errors with code from E000 to E199................................................. 8-6
8.2.2. Errors with code from E200 to E299................................................. 8-7
8.2.2.1. E200: Zero position optical sensor of rotation always active /
E201: Zero position optical sensor of rotation never active /
E204: Unexpected activation of zero position rotation
sensor ................................................................................8-8
8.2.2.2. E205: Timeout on rotation ..................................................8-9
8.2.2.3. E206: Patient collision ........................................................8-9
8.2.2.4. E220: Unexpected activation of film cassette sensor /
E221: Timeout on film cassette motor /
E222: End runs of cassette motor not found...................... 8-10

SERVICE MANUAL
Contents
(Rev. 1) Rotograph EVO
iii
8.2.2.5. E240: Zero position sensor for Y axes always active /
E241: Zero position sensor for Y axes never active /
E242: Unexpected activation of Y axes /
E243: Timeout of Y axes....................................................8-11
8.2.2.6. E260: Timeout on primary collimator /
E261: Decode error on disk collimator ...............................8-12
8.2.3. Errors with code from E300 to E399...............................................8-13
8.2.3.1. E340: Cassette holder not in PAN position .........................8-13
8.2.3.2. E360 and E361: X-ray button pressed during power on .....8-14
8.2.3.3. E362: X-ray button released during the examination
procedure .........................................................................8-15
8.2.3.4. E380: Invalid CANBus message (from Generator CPU
board A9) ..........................................................................8-15
8.2.3.5. E381: Timeout on activating CAN protocol on Generator
board / E382: HF not answering to CAN protocol...............8-16
8.2.4. Errors with code from E700 to E799...............................................8-17
8.2.4.1. E750: No power to the HF board........................................8-18
8.2.4.2. E751: Over voltage kV .......................................................8-18
8.2.4.3. E752: Filament overload /
E753: Overload on Anodic current .....................................8-19
8.2.4.4. E754: Broken filament ......................................................8-19
8.2.4.5. E756: PFC failure..............................................................8-19
8.2.4.6. E755: Alarm "Backup timer intervention" /
E758: Alarm "No X-ray" /
E759: Alarm "Unexpected emission" ..................................8-20
8.2.4.7. E774: RX button not pressed ............................................8-21
8.2.4.8. E775: RX button released during the emission...................8-21
8.2.5. Errors with code E800 and E801 ....................................................8-22
8.2.5.1. E800: Timeout on CAN activation for vertical motor ...........8-22
8.2.5.2. E801: ON/OFF command for vertical motor not
changed on planned time ..................................................8-23
8.2.6. Errors with code E850 E851 and E852 ........................................... 8-24
8.2.6.1. E850: More than one button pressed during power on .......8-24
8.2.6.2. E851: Column up or Column down pressed at power on ....8-24
8.2.6.3. E852: One key pressed during the movement ....................8-25
8.3. Service programs descriptions ........................................................... 8-26
8.3.1. Accessing the service programs ......................................................8-27
8.3.2. General information on the use of keyboard....................................8-28
8.3.3. Password 92: Configuration menus.................................................8-29
8.3.3.1. Language ..........................................................................8-30
8.3.3.2. Date-Time set....................................................................8-31
8.3.3.3. Disable X-ray ....................................................................8-32
8.3.3.4. Display brightness / Display contrast................................8-32
8.3.3.5. LED brightness .................................................................8-33
8.3.3.6. Key click sound / Key click volume....................................8-33
8.3.3.7. Manage pano opt...............................................................8-34

SERVICE MANUAL
Contents
Rotograph EVO (Rev. 1)
iv
8.3.4. Password 118: Axis alignment menu .............................................. 8-35
8.3.4.1. Rotation zero .................................................................... 8-37
8.3.4.2. Y Axis zero........................................................................ 8-38
8.3.4.3. Cassette zero .................................................................... 8-39
8.3.4.4. Primary collimator setup ................................................... 8-40
8.3.5. Password 124: CEPH settings......................................................... 8-42
8.3.5.1. Enable Ceph ..................................................................... 8-43
8.3.5.2. Y Offset............................................................................. 8-44
8.3.5.3. Rotation offset .................................................................. 8-45
8.3.5.4. Primary collimator setup ................................................... 8-45
8.3.5.5. Disk collimator type .......................................................... 8-46
8.3.5.6. Default format .................................................................. 8-47
8.3.6. Password 112: Troubleshooting ...................................................... 8-48
8.3.6.1. Test column...................................................................... 8-49
8.3.6.2. Test input ports ................................................................ 8-50
8.3.6.3. RX emission...................................................................... 8-52
8.3.6.4. Pre-heating time ............................................................... 8-53
8.3.6.5. Preheating level................................................................. 8-54
8.3.7. System / Burn-in........................................................................... 8-55
8.3.8. Show configuration ........................................................................ 8-55
8.4. Search and correction of possible defects in dental radiographies ...... 8-56
8.4.1. Defects due to incorrect position of the patient ............................... 8-56
8.4.2. Defects due to incorrect radiological data input and darkroom ........ 8-57
8.4.3. Defects on the film due to the unit.................................................. 8-58
8.4.3.1. Panoramic film too light .................................................... 8-58
8.4.3.2. Film with vertical stripes ................................................... 8-60
8.4.3.3. Film with not irradiated areas ........................................... 8-60
8.4.3.4. Film with missing highlight of the Soft Tissues .................. 8-60
8.5. Analysis of the problems on the panoramic examinations .................. 8-61
8.5.1. Proper positioning of the patient..................................................... 8-62
8.5.2. Error due to a bad patient's positioning .......................................... 8-64
8.5.3. Images with artefacts ..................................................................... 8-71
8.5.4. Incorrect film contrast and density ................................................. 8-75
9. SCHEMATICS AND DRAWINGS 9-1
10. SPARE PARTS 10-1
11. APPENDIX A-1
11.1.Appendix A: Setup parameters table ....................................................A-1
This publication can only be reproduced, transmitted, transcribed or translated into
any human or computer language with the written consent of VILLA SISTEMI
MEDICALI S.p.a.
This manual in English is the original version.

SERVICE MANUAL
Introduction
(Rev. 1) Rotograph EVO
1-1
1. INTRODUCTION
NOTE:
The present manual is updated for the product it is sold with in order to
grant an adequate reference in performing diagnostics and repair
operations normally carried out by the service engineer.
The manual may not reflect changes to the product not impacting service
operations.
Rotograph EVO, produced by VILLA SISTEMI MEDICALI S.p.A., is an
X-ray device for the radiographic analysis of the maxillo-facial complex.
The basic version of the Rotograph EVO performs Panoramic, Sinus and
TMJ examinations of the maxillo-facial complex.
The following options are available and must be ordered separately:
• EVO XP (Extended Projection Package); it allow the execution of the
following examinations: Emi-panoramic, Reduced dose Panoramic,
Frontal dentition, Improved orthogonality Panoramic
• CEPH; it allows the execution of the following examinations:
- CEPH exam in different formats
- CARPUS exam.
This manual provides to the technical personnel the instructions for
proper and safe installation and maintenance of the appliance.
The device must be used complying with the procedures described and
never be used for purposes different from those herewith indicated.
ROTOGRAPH EVO is an electro-medical device and it can be used only
under the supervision of a physician or of highly qualified personnel,
with the necessary knowledge on X-ray protection.
The user is liable as concerns legal fulfilment related to the installation
and the operation of the device.
*

SERVICE MANUAL
Introduction
Rotograph EVO (Rev. 1)
1-2
1.1. Icons appearing in the manual
This icon indicates a NOTE; please read thoroughly the items marked
by this picture.
This icon indicates a WARNING message; the items marked by this
icon refer to the safety aspects of the patient and/or of the operator.
1.2. How to contact VILLA SISTEMI MEDICALI technical
service
For any technical queries please contact the following:
• Telephone number +39 02 48859.1
• Fax number [phone]
• E-mail: [e-mail]
*

SERVICE MANUAL
Safety information
(Rev. 1) Rotograph EVO
2-1
2. SAFETY INFORMATION
WARNING:
Please read this chapter thoroughly.
Villa Sistemi Medicali designs and builds its devices in compliance with
the safety requirements; furthermore it supplies all information
necessary for correct use, and the warnings related to danger associated
with X-ray generating units.
Villa Sistemi Medicali cannot be held responsible for:
• the use of Rotograph EVO different from the intended use
• damage to the unit, to the operator, to the patient, caused both by
installation and maintenance procedures different from those
described in this Manual and/or by wrong operations
• mechanical and/or electrical modifications performed during and
after the installation, different than those described in this Manual.
Installation and any technical intervention must only be performed
by qualified technicians authorised by Villa Sistemi Medicali.
Only authorised personnel can remove the covers and/or have
access to the components under tension.