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TROUBLESHOOTING

24 Planmeca Intra X-ray unit

Technical Manual

5

TROUBLESHOOTING

The control panel displays do not come on and the indicator light of
generator box is not on

Problems in mains voltage, or a fuse is blown.

Check the mains voltage. Check the mains cable. Check and replace, if necessary, the
fuses located on the lower left side of the generator box. Open the generator box and
check and replace, if necessary, the generator fuse F2. Replace the generator. (Perform
the checks and parts replacements in this order).

The control panel displays do not come on and the indicator light of
generator box is on

Control panel power failure, or the control panel is defective. The control panel operates
with 12 V produced on the generator low voltage supply.

Check the control panel cable and the telephone cable. Replace the control panel.
(Perform the checks and parts replacements in this order).

Temperature of the tube head too high

If the temperature of the tube head exceeds 60 °C, the temperature will appear on the time
display. The control panel does not operate. Wait until the temperature drops.

61 C

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Summary of Contents for intra

Page 1: ...technical manual 10006491_1 EN ...

Page 2: ......

Page 3: ...c identification of the cascade card 17 2 11 Specifying the PCB versions 18 2 12 Ready state setting 18 3 RECALLING THE FACTORY PREPROGRAMMED EXPOSURE VALUES 20 4 PREVENTIVE MAINTENANCE 21 4 1 Cleaning 21 4 2 Operation checks 21 4 3 Preventive maintenance adjustments 21 4 4 Measuring KV MA signals invasive testing 22 5 TROUBLESHOOTING 24 6 ERROR MESSAGES 25 6 1 Error message shortform table 25 6 2...

Page 4: ...eserve the right to make changes without prior notice COPYRIGHT PLANMECA 20 0 Publication number 10006491 Version 1 The manufacturer assembler and importer are responsible for the safety reliability and performance of the unit only if installation calibration modification and repairs are carried out by qualified author ized personnel electrical installations are carried out according to the approp...

Page 5: ...ment safety cannot be guaranteed The circuit boards can be damaged due to static discharges and require careful handling CAUTION GENERAL SAFETY RULES The unit must be serviced only by qualified personnel trained by PLANMECA Repairs and parts replaced by unqualified personnel carry no warranty Periodical maintenance as described in this manual must be per formed on a regular basis to ensure the saf...

Page 6: ...ure times 0 01 3 2 sec 5 0 001 sec 26 steps Reference current time product 8 mAs at 70 kV 8 mA 1 sec Lowest current time product 0 02 mAs at 2 mA 0 01 sec Max nominal anode voltage 70 kV Power input 1000 VA Max electrical output 560 W at 70 kV 8 mA Electrical output at 0 1 sec 560 W at 70 kV 8 mA Max loading energy 1800 mAs h at 70 kV SID SID source image receptor distance min 200 mm 8 in SSD Sour...

Page 7: ...Intra Radiation leakage technique factors The maximum rated peak tube potential is 70 kV and the maximum rated continuous tube current is 0 53 mA for the maximum rated peak tube potential Minimum filtration The radiation port contains an added 1 0 mm aluminium filtration The measured half value is 0 50 0 55 at 70 kV The measured value corresponds to an aluminium equivalent of 2 0 mm Rated line vol...

Page 8: ...of the exposure time are defined at 70 of the peak radiation waveform measured with a calibrated x ray monitor Peak tube potential Is defined as the high voltage mean value measured with a calibrated non invasive kVp meter Tube current Is defined using the voltage over the feedback resistor measured with a calibrated multimeter The mA value is calculated by dividing the voltage by the resistance v...

Page 9: ... sec and at the nominal x ray tube voltage 1 4 kW at 70 kV 8 mA Anode heating cooling curve of the X ray tube Figure 1 X ray tube assembly heating cooling curve Figure 2 X ray tube assembly heating cooling curve 0 20 40 60 80 100 120 140 0 30 60 90 120 150 180 210 240 270 300 Time min Heat Storage kJ 18 W 13 W Cooling ...

Page 10: ...ead assembly refer Figure 3 Target angle with respect to the reference axis 16 Dimensions of the tube head assembly WxHxD 175mm x 105mm x 165mm Weight of the tube head assembly 3 1 kg Values of loading factors concerning leakage radiation 70 kV 8 mA Tolerances of the focal spot on the reference axis X 0 5 mm sideways Y 0 5 mm in depth Z 0 5 mm in height 16 ...

Page 11: ...Xray tube voltage PMMA phantom with a diameter of 160 mm and a height of 160 mm has been used for the measurements The phantom is compatible with the specification in international standard IEC 60601 1 3 The values were measured in the horizontal plane which was at the height of the centre of the phantom and the X ray source The unit of measurement was air kerma per mAs applied to the X ray tube d...

Page 12: ...netic emissions Planmeca Intra X ray unit is intended for use in the electromagnetic environment specified below The customer or the user of the Planmeca Intra X ray unit should assure that it is used in such an environment Emissions test Compliance Electromagnetic environment guidance RF emissions CISPR 11 Group 1 Planmeca Intra X ray unit uses RF energy only for its internal function Therefore i...

Page 13: ...kV line to line 2 kV line to earth Mains power quality should be that of a typical commercial or hospital environment Voltage dips short interruptions and voltage variations on power supply input lines IEC 61000 4 11 5 UT 95 dip in UT for 0 5 cycle 40 UT 60 dip in UT for 5 cycles 70 UT 30 dip in UT for 25 cycles 5 UT 95 dip in UT for 5 s 5 UT 95 dip in UT for 0 5 cycle 40 UT 60 dip in UT for 5 cyc...

Page 14: ...y an electromagnetic site survey a should be less than the compliance level in each frequency range b Interference may occur in the vicinity of equipment marked with the following symbol NOTE 1 At 80 MHz and 800 MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects ...

Page 15: ... Intra X ray unit can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment transmitters and the Planmeca Intra X ray unit as recommended below according to the maximum output power of the communications equipment Rated maximum output power of transmitter W Separation distance according to frequency of transmitter m 150 ...

Page 16: ...key for more than 2 seconds until the four uppermost preprogrammed setting indicator lights come on To exit from the service mode Press the Mode key briefly Preprogrammed setting Adult child selection key Select key Exposure key Parameter adjustment keys Ready indicator light kV display Time display Exposure warning indicator light and indicator light 66 0 250 8 Mode key mA display keys and indica...

Page 17: ...nel until 16 exposures are performed approx 30 seconds Press the Mode key briefly to exit the service mode 2 4 kV range selection Enter the service mode according to the instruction given in section 2 2 How to enter exit the service mode on page 12 Press the parameter adjustment up key until the parameter number 14 appears on the kV display The code of the kV range 0 9 is shown on the time display...

Page 18: ...mmed settings keys kV hold Enter the service mode according to the instruction given in section 2 2 How to enter exit the service mode on page 12 Press the parameter adjustment up key until the parameter number 15 appears on the kV display The number indicating the operation of preprogrammed settings keys 0 or 1 is shown on the time display 0 Normal operation factory setting The preprogrammed sett...

Page 19: ...lect key Press the Mode key briefly to exit the service mode 2 7 Dimming the displays Enter the service mode according to the instruction given in section 2 2 How to enter exit the service mode on page 12 Press the parameter adjustment up key until the parameter number 16 appears on the kV display The number indicating the brightness of the displays from 1 to 5 factory default is 5 is shown on the...

Page 20: ...s on the kV display The number indicating the time out value 0 1 2 3 4 5 is shown on the time display The time out values are 0 no dimming 1 1 min 2 2 min 3 5 min 4 20 min and 5 60 min Factory default is 1 Press the Select key until the number starts to blink and the value can now be changed with the parameter adjustment keys Accept the new setting by pressing the Select key Press the Mode key bri...

Page 21: ...an now be changed with the parameter adjustment keys Accept the new setting by pressing the Select key Press the Mode key briefly to exit the service mode 2 10 Automatic identification of the cascade card Enter the service mode according to the instruction given in section 2 2 How to enter exit the service mode on page 12 Press the parameter adjustment up key until the parameter number 19 appears ...

Page 22: ...ameter adjustment keys Accept the new setting by pressing the Select key Press the Mode key briefly to exit the service mode 2 12 Ready state setting The Planmeca Intra X ray unit can be set so that the Ready indicator light will only come on when the Dimaxis program is ready for the exposure i e the Waiting for exposure message is on the computer screen Enter the service mode according to the ins...

Page 23: ...imaxis program is ready for the exposure Press and hold down the Select key until the number starts to blink and the number can now be changed with the parameter adjustment keys Accept the new setting by pressing the Select key Press the Mode key briefly to exit the service mode Parameter adjustment keys Select key ...

Page 24: ...nmeca Intra user s manual section 9 EXPOSURE VALUES Press and hold down any of the preprogrammed setting keys when switching the unit on The error code E 29 will appear on the time display Do not clear the error code by pressing the select key but press the Occlusal exposure key for 6 seconds The factory preprogrammed values and density value 0 will be stored into memory E 29 Press this key ...

Page 25: ...warning indicator light and signal Confirm that the yellow exposure warning light will come on when you take an exposure Confirm also that the audible warning sound is heard during the exposure Exposure key Confirm that the exposure key requires continuous activation to maintain the exposure Labels Check that no labels are detached or worn and that they are all legible 4 3 Preventive maintenance a...

Page 26: ...rews of the cone 2 Remove the tube head front cover and the cone 3 Unscrew the six fastening screws of the tube head cover and remove the cover 4 Attach sprung hook test leads from multimeter to P1 connector pins 1 negative kV and 2 positive kV in the tube head PCB See figure 5 Figure 5 5 Set multimeter to DC voltage mode with a measurement range of 1 to 5V signal level Take 2 seconds exposure wit...

Page 27: ...of 100mV to 5V signall evels Take 2 seconds exposure with desired mA setting Selected kV value has no effect however lowest possible kV should be used to minimise the amount of unnecessary radiation When the voltage reading has been stabilized record it Actual tube current in mA 2 5 measured feedback voltage in volts The resulting tube current should be within 10 of the current indicated in the us...

Page 28: ...the generator Perform the checks and parts replacements in this order The control panel displays do not come on and the indicator light of generator box is on Control panel power failure or the control panel is defective The control panel operates with 12 V produced on the generator low voltage supply Check the control panel cable and the telephone cable Replace the control panel Perform the check...

Page 29: ...ed during the self test or faulty display board E 30 kV value does not reach or it exceeds the given value difference more than 5 E 31 X ray tube Anode current mA missing or not in specified limits E 33 X ray tube Filament voltage V missing or outside the range too low or too high E 34 X ray tube Anode voltage kV missing or below the specified limit E 36 Too long exposure E 37 kV feedback signal o...

Page 30: ...ube head PCB or generator PCB replace in this order The possible reason is also faulty feedback cable 9 pole in the tube head E 11 X ray tube anode voltage kV dropped suddenly The x ray tube voltage suddenly drops and a knocking sound is heard from the tube head at the same time The exposure is aborted and this error indicated This phenomenon should be considered quite normal if it doesn t occur f...

Page 31: ...erence more than 5 The tube voltage is sampled periodically by the tube head CPU and if the actual measured kV value differs more than 3 kV from the specified value this error is displayed The tube head tube head PCB generator PCB or arm extension cable signals HV1 HV2 or KVC see wiring diagram can be faulty See also error E 11 and E 34 Check the incoming mains voltage during the exposure Check th...

Page 32: ...y E 37 kV feedback signal open circuit or short circuit The kV feedback signal is monitored by the tube head CPU The internal connection of the tube head or tube head feedback cable is faulty Check the condition of the feedback cable replace the tube head PCB or the tube head in this order E 38 mA feedback signal open circuit or short circuit The mA feedback signal is monitored by the tube head CP...

Page 33: ... small If the error occurs immediately after switching the unit on replace the tube head PCB If the error occurs only after starting the exposure measure the 12 V voltage at the generator PCB P13 connector If the voltage drops at the beginning of the exposure generator s green indicator light dims replace the generator PCB Check the connectors of the arm cable and the length of the extension cable...

Page 34: ... check sum error tube head CPU Tube head CPU internal error Replace the tube head PCB E 81 EEPROM memory defective tube head CPU Tube head CPU internal error Replace the tube head PCB E 83 Config register error tube head CPU Tube head CPU internal error Replace the tube head PCB ...

Page 35: ...he balance of the arm by turning the adjustment nuts with a screwdriver The adjustment nuts are located inside the bracket arm and can be reached through the openings at the under side of the bracket arm Figure 8 Arm in adjustment position Openings for adjustments NOTE Adjust the arm from the lower part of the adjustment nut CORRECT WRONG ...

Page 36: ...o be adjusted it can be done with the limiting plates Remove the cover plug from the end of the bracket arm Attach the limiting plate to the arm with two M3 Allen screws Adjust the angle with the limiting plate adjustment screws Figure 9 I_tech_2 eps READY PRET mA kV s BW SELECT MODE Intradj1 eps Limiting plate Limiting plate adjustment screw ...

Page 37: ...fness of the tube head s horizontal axle Remove the plug from the tube head s axle and adjust the tightness of the two adjusting screws evenly arrows on the figure below Figure 10 Adj_stiffness eps WARNING Do not touch the painted screws ø 2 5 Allen screw or the earth spring attachment screw ...

Page 38: ...with a wrench tool The stiffness of the vertical tube head has been preadjusted at the factory and can be changed if necessary Turn the adjustment screw 0 5 1 rounds clockwise if you want to tighten the tube head and 0 5 1 rounds counterclockwise to loosen it NOTE Do not turn the adjustment screw too much counterclockwise to avoid the screw to come loose Figure 11 intra_stiffness eps Vertical tube...

Page 39: ...the three M4x6 ULS screws and remove the generator cover Figure 12 Complies with DHHS radiation performance standards 21 CFR Subchapter J 220V 240 V AT AT 8 100V 115 V 15 70kV maximum 1800 mAs h Total filtration 2 0 mm EquAl WARNING For continued protection against risk of fire replace only with same type and rating of fuse Manufactured by Planmeca OY 00880 HELSINKI FINLAND LBL Z 006D 1000VA 50 60...

Page 40: ...Manual 2 Measure that the mains voltage is not present at the mains input terminals P5 marked N and L see figure below 3 Disconnect the connectors from terminals P1 P3 P5 P6 P7 P8 and P9 Figure 13 P6 P5 P7 P9 P3 N N L L Intra_PSU_D_08_5 eps P3 P6 P9 P7 P8 P1 L P5 N ...

Page 41: ...4 Loosen the four M4x8 ISO 7380 screws of the generator assembly frame figure 14 1 Lift the generator assembly upwards figure 14 2 The generator assembly can now be lifted away from the wall adapter figure 14 3 Figure 14 P6 P5 P7 P9 P3 N N L L Intra_PSU_D_08_8 eps 1 1 2 3 ...

Page 42: ...rator assembly away from the wall adapter and open the two M3x6 DIN 912 screws located behind the generator assembly frame figure 15 3 6 Remove the Generator PCB Figure 15 7 Install the new Generator PCB in reverse order Note that the new Generator PCB is not attached to the frame with the two M3x6 DIN 912 screws located behind the generator assembly frame P6 P5 P7 P9 P3 N N L L Intra_PSU_D_08_9 e...

Page 43: ...e the cone 2 Remove the tube head front cover figure 16 3 and the cone 3 Disconnect the two connectors from the tube head PCB figure 16 4 4 Pull the tube head PCB figure 16 5 from the tube head 5 Install the new PCB in reverse order 6 Perform the x ray tube filament preheating voltage calibration see section 2 3 X ray tube filament preheating voltage calibration on page 13 Figure 16 1 2 3 4 5 ...

Page 44: ...ws from the support frame figure 17 3 and remove the tube head figure 17 4 Note that there is a grounding plate under the lower left attachment screw 4 Install the new tube head in reverse order Make sure that the grounding plate touches the tube head PCB NOTE Do not overtighten the tube head cover fastening screws to avoid damaging the cover 5 Perform the x ray tube filament preheating voltage ca...

Page 45: ...the generator cover 3 Disconnect the arm cable connectors from the Generator PCB terminals P1 and P8 Detach the grounding lead of the arm cable figure 18 1 4 Remove the extension arm cover plugs figure 18 2 5 Pull the arm cable and the Dixi interconnection cable through the extension arm 6 Detach the plug of the tube head support figure 18 3 7 Remove the cover plug from the bracket arm opening Det...

Page 46: ...that the other leads figure 18 8 Figure 18 11 Join the old and new cables together as shown in figure 19 below Tape the joining point firmly Do not tape the old Dixi interconnection cable it is pulled out from the opening on the bracket arm see figure 20 Figure 19 Intra_PSU_D_08_10 eps 1 2 2 3 5 6 7 8 4 Tech_2A eps Grounding lead of the new cable Grounding lead of the old cable Old Dixi interconne...

Page 47: ...and down Figure 20 NOTE Make sure that the arm cable and the Dixi interconnection cable are not twisted when you are pulling them into the arm 13 Stop pulling when the new cable is 390 400 mm out from the opening of the tube head support figure 21 1 Route the cable through the opening on the support frame figure 21 2 Figure 21 Intra_PSU_D_08_11 eps New arm cable Old Dixi interconnection cable 390 ...

Page 48: ...the order shown on the figure 22 below Figure 22 Figure 23 Brown White Orange Orange White Blue White Blue Green White Green Brown 1 2 3 4 5 6 7 8 Brown White Orange Orange White Blue White Blue Green White Green Brown 1 2 3 4 5 6 7 8 Colour according EIA TIA 586A NOTE The colours marked to the figure are only examples The lead colours of the cable you are using can differ from the colours marked ...

Page 49: ...ol Press the handles of the crimp tool as far as they will go Check with the cable tester that the cable is functioning Figure 24 16 Check the RJ45 connector to make sure that the cable is properly attached to the connector Figure 25 11mm UTP Cable Wires UTP Cable Wires RJ45 connector before crimp RJ45 connector after crimp ...

Page 50: ... arm Attach the cover plug to the bracket arm opening Figure 26 18 Attach the tube head to the support frame with the five M4x8 DIN 7984 screws 19 Slide the tube head PCB into its position and connect the feedback cable to the tube head PCB terminal P1 20 Connect the arm cable leads to the connectors as described in figure 27 below Figure 27 Intra_PSU_D_08_12 eps Dixi interconnection cable 1 Red B...

Page 51: ...22 Check that the arm cable remains in the groove of the tube head support when moving the arm from one extreme position to another Secure the arm cable to the support frame with a cable tie 23 Pull the cables through the extension arm and connect the cables to the generator assembly connectors 24 Replace the removed covers and plugs Feedback cable Arm cable Grounding lead of arm cable Tube head g...

Page 52: ...tor figure 29 1 and pull the socket from the terminal of the generator box figure 29 2 2 Detach the connector from the control panel in the same way as from the generator box 3 Connect the new cable to the generator box and to the control panel CAUTION Do not connect any other equipment to the terminal of the generator box Figure 29 1 1 2 ...

Page 53: ...Planmeca Intra X ray unit 49 Technical Manual DIAGRAMS 9 DIAGRAMS ...

Page 54: ......

Page 55: ... Brown Brown Generator assembly R emote control Tube head assembly Mains 100 110 115 220 240 V 10 V 10 V 10 Wiring Diagram S tandard Wall Mounting Installation 09 04 2009 LY Planmeca Intra CONFIDE NTIAL Copyright Planmeca Oy All R ights R eserved No serviceable parts ON OFF MainS witch R E D YE LL YE LL R E D R E D R E D R E D R E D R E D R E D R E D Power supply cable 115 V Code 10006683 Power su...

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Page 58: ...Planmeca Oy Asentajankatu 6 00880 Helsinki Finland tel 358 20 7795 500 fax 358 20 7795 555 sales planmeca com www planmeca com ...

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