Fona XPan DG Plus - Page 5

FONA XPan DG Plus
5
2.3.4. Filament calibration and Feedback signal calibration ....................................................................... 99
2.3.5. X-Ray Beam Alignment ................................................................................................................... 100
2.3.5.1. X-Ray Beam alignment – 2D Exams ............................................................................................... 100
2.3.5.2. X-Ray Beam alignment – CEPH Exams ......................................................................................... 102
2.3.5.3. Collimator alignment ........................................................................................................................ 107
2.3.6. X-Ray Beam Calibration .................................................................................................................. 108
2.3.6.1. X-Ray Beam calibration – 2D Exams .............................................................................................. 108
2.3.6.2. X-Ray Beam calibration – CEPH Exams......................................................................................... 116
2.3.7. Calibration files ................................................................................................................................ 116
2.3.8. Replacement of position sensors .................................................................................................... 117
2.4. SYSTEM MESSAGES ........................................................................................................................... 118
2.4.1. Warning Messages .......................................................................................................................... 118
2.4.2. Error messages ............................................................................................................................... 119
2.4.3. Other Alarms ................................................................................................................................... 122
2.5. ELECTRICAL SCHEMES ...................................................................................................................... 123
2.5.1. Mains connection module ................................................................................................................ 123
2.5.2. Dual Power Supply .......................................................................................................................... 124
2.5.3. Driver Motor Column ....................................................................................................................... 125
2.5.4. Power Switching Unit....................................................................................................................... 126
2.5.5. Control unit ...................................................................................................................................... 127
2.5.6. Multiplexer ....................................................................................................................................... 128
2.5.7. Ceph Interconnection Board ............................................................................................................ 129
3. MAINTENANCE INSTRUCTIONS ............................................................................................................... 130
3.1. VISUAL CHECK .................................................................................................................................... 131
3.2. KEYBOARD TEST ................................................................................................................................ 132
3.3. LIGHT AND SOUND INDICATORS ...................................................................................................... 133
3.4. PHANTOM RADIOGRAPH ................................................................................................................... 135
3.4.1. Panoramic Exams ........................................................................................................................... 135
3.4.2. Cephalometric Exams ..................................................................................................................... 136
3.5. AIMING LIGHTS .................................................................................................................................... 137
3.6. MECHANICAL MOVEMENTS VERIFICATION .................................................................................... 138
3.7. POWER SUPPLY ADEQUACY............................................................................................................. 138
3.8. ANODE VOLTAGE VERIFICATION ..................................................................................................... 139
3.9. ANODE CURRENT VERIFICATION ..................................................................................................... 141
3.10. CHECKING THE X-RAY BEAM ALIGNMENT ...................................................................................... 142
3.10.1. Panoramic Mode ............................................................................................................................. 142
3.10.2. Cephalometric Mode ....................................................................................................................... 143
3.11. INSPECTION CHECKLIST FORMS ..................................................................................................... 144
3.12. Forms ..................................................................................................................................................... 145