Dentsply Sirona Heliodent Plus Service Manual
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Dentsply Sirona Heliodent Plus Service Manual

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03.2018
New as of:
Heliodent Plus
Service Manual
English
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Summary of Contents for Dentsply Sirona Heliodent Plus

  • Page 1 03.2018 New as of: Heliodent Plus Service Manual English Cover page...

  • Page 3: Table Of Contents

    Dentsply Sirona Table of contents Service Manual Heliodent Plus Table of contents General information ....................Structure of the document ................1.1.1 Identification of the danger levels............ 1.1.2 Formats and symbols used ............. General safety information ................Operation notes.................... Changing the device configuration ...............
  • Page 4 Check ceiling model with round support arm system ....... 4.9.2 Check ceiling model with angular support arm system ....4.10 Checking Heliodent Plus on the mobile stand..........4.11 Checking the tube current ................4.12 Checking the protective ground wires ............
  • Page 5 Dentsply Sirona Table of contents Service Manual Heliodent Plus Service routines....................... Operation...................... Overview ...................... Service routines (list)..................5.3.1 Service routine S01 ................. 5.3.2 Service routine S02 ................. 5.3.3 Service routine S03 ................. 5.3.4 Service routine S04 ................. 5.3.5 Service routine S05 .................
  • Page 6 Table of contents Dentsply Sirona Service Manual Heliodent Plus Repair........................Safety-related tests ..................Replacing X-ray tube assembly H1............... Replacing PC board DX1 ................6.3.1 Removing a defective board DX1 ............ 6.3.2 Installing the new board DX1 ............6.3.3 Connection in the control panel for cable L2 ........

  • Page 7: General Information

    Dentsply Sirona 1 General information Service Manual Heliodent Plus 1.1 Structure of the document General information Structure of the document 1.1.1 Identification of the danger levels To prevent personal injury and material damage, please observe the warning and safety information provided in these operating instructions.

  • Page 8: General Safety Information

    1 General information Dentsply Sirona 1.2 General safety information Service Manual Heliodent Plus General safety information WARNING Radiation protection The valid radiation protection regulations and measures must be observed. The statutory radiation protection equipment must be used. In case of malfunctions, cancel the exposure immediately by letting go of the exposure release button.

  • Page 9: Operation Notes

    Dentsply Sirona 1 General information Service Manual Heliodent Plus 1.3 Operation notes CAUTION No additional components on the support arm system Attaching additional components to the support arm system is not permitted. Operation notes Nominal line voltage Nominal voltage: 120V, 200V– 240V Permissible fluctuation: ±...

  • Page 10: Changing The Device Configuration

    1 General information Dentsply Sirona 1.4 Changing the device configuration Service Manual Heliodent Plus Disposal General In accordance with Directive 2012/19/EU and national disposal regulations regarding old electrical and electronic devices, please be advised that such items must be disposed of in a special way within the European Union (EU).

  • Page 11: Measures When Exchanging Spare Parts

    Dentsply Sirona 1 General information Service Manual Heliodent Plus 1.5 Measures when exchanging spare parts Measures when exchanging spare parts Spare parts The article numbers for ordering spare parts can be found in the spare parts list, Order No. 62 34 111...

  • Page 12: Demo Mode

    1 General information Dentsply Sirona 1.6 Demo mode Service Manual Heliodent Plus Demo mode Activation 1. Set service routine "26" to "On". 2. Switch the unit off. 3. Open the protective cover of the wall module. 4. Attach cables V (blue) and W (pink) on terminal strip X500.

  • Page 13: List Of Software Versions

    V02.08.00 new S28 and S29 service routine Round and angular support arm system The Heliodent Plus is available with a round and angular support arm system. In the images which do not exclusively demonstrate the angular support arm system, the round support arm system is shown.

  • Page 14: The Most Important Subassemblies

    1 General information Dentsply Sirona 1.10 The most important subassemblies Service Manual Heliodent Plus 1.10 The most important subassemblies Item Designation X-ray tube assembly Scissor arm Support arm Wall module ● Board DX1 ● Front panel ● Control board DX4 Remote Timer (Optional) ●...
  • Page 15 Dentsply Sirona 1 General information Service Manual Heliodent Plus 1.10 The most important subassemblies Item Designation X-ray tube assembly on overhead support LEDview/LEDview Plus on overhead support 62 15 102 D3507 D3507.076.01.15.02 03.2018...
  • Page 16 1 General information Dentsply Sirona 1.10 The most important subassemblies Service Manual Heliodent Plus Item Designation X-ray tube assembly Scissor arm 410 mm support arm Wall module ● Board DX1 ● Front panel ● Control board DX4 Mobile stand Power supply cord...

  • Page 17: Labeling

    Dentsply Sirona 1 General information Service Manual Heliodent Plus 1.11 Labeling 1.11 Labeling 62 15 102 D3507 D3507.076.01.15.02 03.2018...
  • Page 18 LEDview ID label DHHS label about Regulations 21CFR (45x27) transp. / white print DHHS label UL-CSA white / black print Chinese label for Heliodent Plus Chinese label for Heliodent Plus (ID) Chinese label for CCIB 62 15 102 D3507 D3507.076.01.15.02 03.2018...

  • Page 19: Removing Covers

    Dentsply Sirona 1 General information Service Manual Heliodent Plus 1.12 Removing covers 1.12 Removing covers 1.12.1 Wall module Removing the cover 1. Turn the unit off. 2. Unlock the housing shell (C) of the support arm above the wall module by pinching the housing shells together at position (S).

  • Page 20: Remote Control And Remote Timer

    1 General information Dentsply Sirona 1.12 Removing covers Service Manual Heliodent Plus Hanging up the cover ➢ Hang the cover on the side of the wall adapter plate so that it is securely positioned (see illustration). To do this from serial no. 27 000 onwards, the EMC plate must be removed beforehand.

  • Page 21: X-Ray Tube Unit

    Dentsply Sirona 1 General information Service Manual Heliodent Plus 1.12 Removing covers 1.12.3 X-ray tube unit 1. Unscrew and remove the cover (A). 2. Remove the arm cover (L). 62 15 102 D3507 D3507.076.01.15.02 03.2018...

  • Page 22: Overview Of Pc Boards

    1 General information Dentsply Sirona 1.13 Overview of PC boards Service Manual Heliodent Plus 1.13 Overview of PC boards 1.13.1 Generator board DX1 X401 X400 V316 V413 X500 X401 X400 V316 V413 X500 V409 D500 V409 D500 V414 V414 V503 V503 F300...

  • Page 23: Control Board Dx4

    Dentsply Sirona 1 General information Service Manual Heliodent Plus 1.13 Overview of PC boards 1.13.2 Control board DX4 Protective circuit (door contact) Release button EMC shielding V108 LED, +3.3 V for LCD V200 LED, Debugging V201 LED, status indicator - LED flashes with 100% unit function.

  • Page 24: Required Items

    – 1x voltmeter – 1x ammeter ● Test unit to measure unit leakage current: Dentsply Sirona recommends an automatic tester (example illustration) which complies with standard IEC 62353. If you do not use an automatic tester, please pay attention to the specifications in the standard IEC 62353.

  • Page 25: List Of Messages

    Dentsply Sirona 2 List of messages Service Manual Heliodent Plus 2.1 Error messages List of messages Error messages 2.1.1 General Explanation The error messages appear on the display of the control electronics. Recognition Error messages can be recognized by a six-digit error code (Ex yy zz) beginning with a large E.

  • Page 26: List Of Error Messages

    2 List of messages Dentsply Sirona 2.1 Error messages Service Manual Heliodent Plus 2.1.3 List of error messages Error code Description Actions required None Release does not result in any reaction/ See Section exposure "Error message NONE [ → 29] E1 11 88...
  • Page 27 Dentsply Sirona 2 List of messages Service Manual Heliodent Plus 2.1 Error messages Error code Description Actions required E5 01 02 Buzzer sounds Replace DX1 E5 01 14 no exposure temporarily E7 01 51 E5 01 22 Buzzer does not sound See Section ""Error message E5 01 22 [ →...
  • Page 28 2 List of messages Dentsply Sirona 2.1 Error messages Service Manual Heliodent Plus Error code Description Actions required E6 04 06 Internal error Switch unit OFF and ON again If the error message reappears, DX4 must be replaced E6 04 12 Internal error...

  • Page 29: Troubleshooting

    Dentsply Sirona 3 Troubleshooting Service Manual Heliodent Plus 3.1 Error message: NONE Troubleshooting Error message: NONE 62 15 102 D3507 D3507.076.01.15.02 03.2018...
  • Page 30 3 Troubleshooting Dentsply Sirona 3.1 Error message: NONE Service Manual Heliodent Plus 62 15 102 D3507 D3507.076.01.15.02 03.2018...
  • Page 31 Dentsply Sirona 3 Troubleshooting Service Manual Heliodent Plus 3.1 Error message: NONE 62 15 102 D3507 D3507.076.01.15.02 03.2018...

  • Page 32: Error Message: E5 01 02 / E5 01 14 / E5 01

    3 Troubleshooting Dentsply Sirona 3.2 Error message: E5 01 02 / E5 01 14 / E5 01 12 Service Manual Heliodent Plus Error message: E5 01 02 / E5 01 14 / E5 01 12 62 15 102 D3507 D3507.076.01.15.02 03.2018...

  • Page 33: Error Message: E5 01

    Dentsply Sirona 3 Troubleshooting Service Manual Heliodent Plus 3.3 Error message: E5 01 22 Error message: E5 01 22 62 15 102 D3507 D3507.076.01.15.02 03.2018...

  • Page 34: Error Message: E6 01

    3 Troubleshooting Dentsply Sirona 3.4 Error message: E6 01 23 Service Manual Heliodent Plus Error message: E6 01 23 62 15 102 D3507 D3507.076.01.15.02 03.2018...
  • Page 35 Dentsply Sirona 3 Troubleshooting Service Manual Heliodent Plus 3.4 Error message: E6 01 23 62 15 102 D3507 D3507.076.01.15.02 03.2018...

  • Page 36: Error Message: E7 01

    3 Troubleshooting Dentsply Sirona 3.5 Error message: E7 01 01 Service Manual Heliodent Plus Error message: E7 01 01 62 15 102 D3507 D3507.076.01.15.02 03.2018...
  • Page 37 Dentsply Sirona 3 Troubleshooting Service Manual Heliodent Plus 3.5 Error message: E7 01 01 62 15 102 D3507 D3507.076.01.15.02 03.2018...

  • Page 38: Error Message: E7 04 51 - Door Contact Error

    3 Troubleshooting Dentsply Sirona 3.6 Error message: E7 04 51 - Door contact error Service Manual Heliodent Plus Error message: E7 04 51 - Door contact error Explanation Depending on the installation type, there are different approaches to address error message E7 04 51.

  • Page 39: Maintenance

    Dentsply Sirona 4 Maintenance Service Manual Heliodent Plus 4.1 Checking the shielding Maintenance Checking the shielding 4.1.1 Test ➢ Check whether the cable shieldings have contact with the shielding clamps and are firmly in place. 4.1.2 Positions Installation panel (wall module) ● If available: Manual release S3 on X401 –...
  • Page 40 4 Maintenance Dentsply Sirona 4.1 Checking the shielding Service Manual Heliodent Plus DX4 (wall module) ● X103 / L2 cable (wall mounting) – (E): Clamp DX4 (Remote Timer) ● Grounding tab of the front panel – (F): Screw ● X106/X105 / L6 cable –...

  • Page 41: Checking The Protective Ground Connections

    Dentsply Sirona 4 Maintenance Service Manual Heliodent Plus 4.2 Checking the protective ground connections Checking the protective ground connections 4.2.1 Test ➢ Check whether all protective ground connections are firmly in place. 4.2.2 Positions DX1 and installation panel (wall module) ● X200 / Power input clamp ●...
  • Page 42 4 Maintenance Dentsply Sirona 4.2 Checking the protective ground connections Service Manual Heliodent Plus X-ray tube assembly ● Grounding of the support bracket – (J): Screw ● Grounding of the X-ray tube assembly – (K): Screw 62 15 102 D3507 D3507.076.01.15.02 03.2018...

  • Page 43: Checking Exposure Time And High Voltage Kv

    Dentsply Sirona 4 Maintenance Service Manual Heliodent Plus 4.3 Checking exposure time and high voltage kV Checking exposure time and high voltage kV Auxiliary devices required ● Suitable radiation meter. Examples: – Mini-X – PMX I-D – MOM Preparation 1. Switch the X-ray unit on.

  • Page 44: Checking The Deadman Function

    4 Maintenance Dentsply Sirona 4.4 Checking the deadman function Service Manual Heliodent Plus Test WARNING X-ray radiation! ➢ Release an exposure with the release button. ● The buzzer must be audible during radiation release. ● The radiation indicator lights up. – The radiation LED lights up yellow.

  • Page 45: Checking The Release Button

    Dentsply Sirona 4 Maintenance Service Manual Heliodent Plus 4.5 Checking the release button Checking the release button 4.5.1 General Explanation Depending on the installation type, there are different descriptions for checking the release button. Overview ● Release button on PC board DX1 (coiled cable) [ → 45] ●...

  • Page 46: Release Button On Pc Board Dx4 (Coiled Cable)

    4 Maintenance Dentsply Sirona 4.5 Checking the release button Service Manual Heliodent Plus 4.5.3 Release button on PC board DX4 (coiled cable) NOTE Only one release button may be connected (active)! Preparation 1. Switch the unit off. 2. Connect the measuring instrument: ●...

  • Page 47: Release Button On Front Panel On Pc Board Dx4

    Dentsply Sirona 4 Maintenance Service Manual Heliodent Plus 4.5 Checking the release button 4.5.4 Release button on front panel on PC board DX4 NOTE Only one release button may be connected (active)! Preparation 1. Switch the unit off. 2. Connect the measuring instrument to DX1 X401.1 and X401.3.

  • Page 48: Checking The Front Panel

    4 Maintenance Dentsply Sirona 4.6 Checking the front panel Service Manual Heliodent Plus Checking the front panel CAUTION Defective indicators and keys represent a risk to the safety of both the patient and the operator/user. The user is not permitted to operate the unit until the necessary repairs have been made.
  • Page 49 Dentsply Sirona 4 Maintenance Service Manual Heliodent Plus 4.6 Checking the front panel Code table Area Code Area Code 62 15 102 D3507 D3507.076.01.15.02 03.2018...

  • Page 50: Checking And Adjusting The Support Arm

    4 Maintenance Dentsply Sirona 4.7 Checking and adjusting the support arm Service Manual Heliodent Plus Checking and adjusting the support arm CAUTION Switch OFF the unit before connecting a measuring instrument or replacing parts! 4.7.1 Round support arm system Check ● Are all bellows intact? –...

  • Page 51: Angular Support Arm System

    Dentsply Sirona 4 Maintenance Service Manual Heliodent Plus 4.7 Checking and adjusting the support arm 4.7.2 Angular support arm system CAUTION Gaps appear between the internal hinges when moving the angular Heliodent Plus stay arm. Fingers may be crushed in these gaps.

  • Page 52: Checking And Adjusting The Angular Scissor Arm Is Parallel

    4 Maintenance Dentsply Sirona 4.7 Checking and adjusting the support arm Service Manual Heliodent Plus Adjusting the spring on the scissor arm (X-ray tube assembly side) 1. Remove the cover part (A). 2. Bring the front scissor arm into a horizontal position.
  • Page 53 Dentsply Sirona 4 Maintenance Service Manual Heliodent Plus 4.7 Checking and adjusting the support arm 3. Release the bolts slightly with the ring wrench (SW-13). 4. Open the locking pins on 2 joints slightly (SW-1,5). 5. Place both scissor arms in a vertical position.

  • Page 54: Adjusting The Brake

    4 Maintenance Dentsply Sirona 4.7 Checking and adjusting the support arm Service Manual Heliodent Plus Adjusting the brake 4.7.2.3 IMPORTANT The brake must always be adjusted on the scissor arm. ➢ Adjust to the desired braking effect with the adjusting screw (B).

  • Page 55: Checking The X-Ray Tube Assembly Joint

    Dentsply Sirona 4 Maintenance Service Manual Heliodent Plus 4.8 Checking the X-ray tube assembly joint Checking the X-ray tube assembly joint CAUTION Nature and source of the danger Switch OFF the unit before connecting a measuring instrument or replacing parts! Required tools...
  • Page 56 4 Maintenance Dentsply Sirona 4.8 Checking the X-ray tube assembly joint Service Manual Heliodent Plus 4. Check the condition of the grounding strap. No damage should be evident at position (K). 5. Check the screw terminal on the grounding wire (B) for damage.
  • Page 57 Dentsply Sirona 4 Maintenance Service Manual Heliodent Plus 4.8 Checking the X-ray tube assembly joint 7. Check the scissor arm (J) to make sure it does not brush against a cable when moved. No cable should touch the scissor arm in any position. Fasten the cable with a cable tie if necessary.

  • Page 58: Checking The Ceiling Model

    4 Maintenance Dentsply Sirona 4.9 Checking the ceiling model Service Manual Heliodent Plus Checking the ceiling model 4.9.1 Check ceiling model with round support arm system Check the overhead support ● Is the cover (A) fastening in safe condition? ● Are the cover parts (B) present and free of damage? ●...
  • Page 59 Dentsply Sirona 4 Maintenance Service Manual Heliodent Plus 4.9 Checking the ceiling model Check the wall adapter ● Is the protective ground connection securely (F) positioned? ● Damage-free, tight and proper seating of the cables on clamp X100 (E) (X100 is positioned in a different position depending on the serial...

  • Page 60: Check Ceiling Model With Angular Support Arm System

    4 Maintenance Dentsply Sirona 4.9 Checking the ceiling model Service Manual Heliodent Plus 4.9.2 Check ceiling model with angular support arm system Check the overhead support ● Is the fastening of the base on the ceiling (A) in safe condition? ● Is the fastening of the ceiling connection on the base (B) in safe condition? ●...

  • Page 61: Checking Heliodent Plus On The Mobile Stand

    Dentsply Sirona 4 Maintenance Service Manual Heliodent Plus 4.10 Checking Heliodent Plus on the mobile stand 4.10 Checking Heliodent Plus on the mobile stand Check the mobile stand ● Is the wall module fastening on the mobile stand (A) in a safe condition? ●...

  • Page 62: Checking The Tube Current

    4 Maintenance Dentsply Sirona 4.11 Checking the tube current Service Manual Heliodent Plus 4.11 Checking the tube current Auxiliary devices required ● Ammeter CAUTION Only use battery-powered measuring devices. Preparation 1. Turn the unit off. 2. Set the ammeter to the "10 mA DC" measuring range.

  • Page 63: Checking The Protective Ground Wires

    Dentsply Sirona 4 Maintenance Service Manual Heliodent Plus 4.12 Checking the protective ground wires Completion 1. Turn the unit off. 2. Remove the measuring wires of the ammeter from connector X600. 3. Reattach the housing on the wall module. In case of an error ●...
  • Page 64 4 Maintenance Dentsply Sirona 4.12 Checking the protective ground wires Service Manual Heliodent Plus Protective ground wire test Explanation This test checks the electrical resistance of conductive and exposed parts of the X-ray unit against the protective wire connection. Test assembly See drawing.

  • Page 65: Checking The Unit Leakage Current

    DIN VDE 0100-710 applies in Germany. Dentsply Sirona recommends an automatic tester (example illustration) which complies with standard IEC 62353. If you do not use an automatic tester, please pay attention to the specifications in the standard IEC 62353.

  • Page 66: Checking Insulation Resistance On The Power Supply Cord Of The Mobile Stand

    4 Maintenance Dentsply Sirona 4.14 Checking insulation resistance on the power supply cord of the mobile stand Service Manual Heliodent Plus 4.14 Checking insulation resistance on the power supply cord of the mobile stand Auxiliary devices required ● Safety tester for insulation resistance...

  • Page 67: Service Routines

    Dentsply Sirona 5 Service routines Service Manual Heliodent Plus 5.1 Operation Service routines Operation 1. Switch the unit on. 2. Press the Film key, the Sensor key and the Bite Wing key simultaneously. The service routine "S01" is displayed in front of a white background.

  • Page 68: Overview

    5 Service routines Dentsply Sirona 5.2 Overview Service Manual Heliodent Plus Overview Service routine Function Configuration of transparency compensation for films [ → 69] Configuration of transparency compensation for sensors [ → 69] Display of software version [ → 69] Selection of film type [ → 69] Selection of sensor type [ →...

  • Page 69: Service Routines (List)

    Dentsply Sirona 5 Service routines Service Manual Heliodent Plus 5.3 Service routines (list) Service routines (list) 5.3.1 Service routine S01 Explanation Configuration of transparency compensation for films Configuration You can adjust the transparency compensation in the range from -6 to +6 by pressing the +/- keys (factory default setting = "0").

  • Page 70: Service Routine S05

    5 Service routines Dentsply Sirona 5.3 Service routines (list) Service Manual Heliodent Plus 5.3.5 Service routine S05 Explanation Selection of sensor type You can toggle between the following sensor types: ● Sirona sensor ● Non-Siemens sensor ● Imaging plate Operation Toggle between the sensor types by pressing the +/- keys.

  • Page 71: Service Routine S07

    Dentsply Sirona 5 Service routines Service Manual Heliodent Plus 5.3 Service routines (list) 5.3.7 Service routine S07 Explanation Selection of diaphragm type Operation Toggle between the diaphragm types by pressing the +/- keys. Legend Display Diaphragm type (Focus type) no diaphragm (factory default setting)

  • Page 72: Service Routine S10

    5 Service routines Dentsply Sirona 5.3 Service routines (list) Service Manual Heliodent Plus 5.3.10 Service routine S10 Explanation Configuration of display options: Area dose and actual radiation time This option allows for the display of the area dose and actual radiation time after an exposure.

  • Page 73: Service Routine S13

    Dentsply Sirona 5 Service routines Service Manual Heliodent Plus 5.3 Service routines (list) 5.3.13 Service routine S13 Explanation Configuration of 60/70 kV toggle You can activate or deactivate the kV toggle with the kV keys "60kV“ and "70kV.“ Operation Toggle between Off and On by pressing the +/- keys.

  • Page 74: Service Routine S15

    5 Service routines Dentsply Sirona 5.3 Service routines (list) Service Manual Heliodent Plus 5.3.15 Service routine S15 Explanation Configuration of the safety circuit bypass. intern extern The safety circuit can be bypassed via hardware on DX4 (slide switch S2) (See section "Setting switch S1 and S2 on DX4".

  • Page 75: Service Routine S16

    Dentsply Sirona 5 Service routines Service Manual Heliodent Plus 5.3 Service routines (list) 5.3.16 Service routine S16 Explanation Configuration of the dynamic pulse/pause ratio (dynamic cooling) Operation Toggle between Off and On by pressing the +/- keys. Legend Display Dynamic cooling deactivated activated (factory default setting) 5.3.17...

  • Page 76: Service Routine S18

    Adaptation to XIOS Plus wall module In general, adjusting the intensity of the blue light source is sufficient to adapt the display of the Heliodent Plus to the display of the XIOS Plus wall module. ● Selection of the light source –...

  • Page 77: Service Routine S20

    Dentsply Sirona 5 Service routines Service Manual Heliodent Plus 5.3 Service routines (list) 5.3.20 Service routine S20 Explanation Setting the key brightness (LEDs) You can set the key brightness in the range from 0 to 255 (factory default setting = "255" (full brightness)).

  • Page 78: Service Routine S23

    Dentsply Sirona 5.3 Service routines (list) Service Manual Heliodent Plus 5.3.23 Service routine S23 Explanation Reading the status log NOTE Evaluation of the statuses only by the Dentsply Sirona Service Hotline. Legend Structure of display content: Bit7 Bit6 Bit5 Bit4 Bit3...

  • Page 79: Service Routine S26

    Dentsply Sirona 5 Service routines Service Manual Heliodent Plus 5.3 Service routines (list) 5.3.26 Service routine S26 Explanation Activation of demo mode This service function activates or deactivates the demo mode. NOTE If the demo mode is activated, error message E1 11 88 will be displayed following switch-on.

  • Page 80: S28 Service Routine

    5 Service routines Dentsply Sirona 5.3 Service routines (list) Service Manual Heliodent Plus 5.3.28 S28 service routine Explanation Setting the overall X-ray filter strength. The overall X-ray filter strength is used as a parameter for calculating the target radiation time and the dose-area product.

  • Page 81: Repair

    Dentsply Sirona 6 Repair Service Manual Heliodent Plus 6.1 Safety-related tests Repair Safety-related tests A protective conductor test and a leakage current test must be performed prior to the installation or the hand-over of the unit as well as after repair work.
  • Page 82 6 Repair Dentsply Sirona 6.2 Replacing X-ray tube assembly H1 Service Manual Heliodent Plus 4. Check the condition of the grounding strap. No damage should be evident at position (K). 5. Unscrew and remove the grounding wire (B). 6. Pull the connectors (C) of the tube assembly cable out of the tube assembly.
  • Page 83 Dentsply Sirona 6 Repair Service Manual Heliodent Plus 6.2 Replacing X-ray tube assembly H1 7. Secure the support arm with a belt (D). DANGER Risk of injury The support arm must be secured against jerking upward with a belt. 8. Unscrew and remove the 3 screws (E). Hold the X-ray tube assembly securely when doing this.
  • Page 84 6 Repair Dentsply Sirona 6.2 Replacing X-ray tube assembly H1 Service Manual Heliodent Plus 1. Remove the X-ray tube assembly (G) from its packaging. 2. Firmly attach the X-ray tube assembly, using 3 new self-cutting screws (PM 3.5 x 16). DANGER Risk of damage Applying excessive torque may damage the threads cut by the self- cutting screws.
  • Page 85 Dentsply Sirona 6 Repair Service Manual Heliodent Plus 6.2 Replacing X-ray tube assembly H1 4. Plug the connectors (C) of the tube assembly cable onto the tube assembly. 5. Mount a contact washer (H) on the screw (I) (M4 x 10). 6. Screw the grounding wire (B) on tight with the prepared screw.
  • Page 86 6 Repair Dentsply Sirona 6.2 Replacing X-ray tube assembly H1 Service Manual Heliodent Plus 7. Check the scissor arm (J) to make sure it does not brush against a cable when moved. No cable should touch the scissor arm in any position. Fasten the cable with a cable tie if necessary.

  • Page 87: Replacing Pc Board Dx1

    Dentsply Sirona 6 Repair Service Manual Heliodent Plus 6.3 Replacing PC board DX1 Replacing PC board DX1 6.3.1 Removing a defective board DX1 Unscrewing the board ✔ The graphics show the DX1 board up to serial no.: 26 999 Proceed in a similar way for DX1s from serial no. 27 000 onwards.

  • Page 88: Installing The New Board Dx1

    6 Repair Dentsply Sirona 6.3 Replacing PC board DX1 Service Manual Heliodent Plus 6.3.2 Installing the new board DX1 Screwing the new board ✔ Take out the 4 spacers M4x34 from the package. L2/L6 1. Screw the new board DX1 firmly to the wall adapter using the 4 spacers (A) and a screw with a washer and serrated lock washer (B).

  • Page 89: Connection In The Control Panel For Cable L2

    Dentsply Sirona 6 Repair Service Manual Heliodent Plus 6.3 Replacing PC board DX1 6.3.3 Connection in the control panel for cable L2 ✔ This change is only required: if cable L2 is available. With DX1 boards up to serial no. 26 999 1.

  • Page 90: Attach The Emc Additional Plate For The Wall Adapter To The Power

    6 Repair Dentsply Sirona 6.3 Replacing PC board DX1 Service Manual Heliodent Plus 2-phase connection ● X200.1: L1 (phase 1) ● X200.2: N‘ (phase 2) ● X200.3: N (Do not use!) ● X200.4: PE X200 6.3.5 Attach the EMC additional plate for the wall adapter to the power supply ✔...

  • Page 91: Replacing Pc Board Dx4

    Dentsply Sirona 6 Repair Service Manual Heliodent Plus 6.4 Replacing PC board DX4 Replacing PC board DX4 ✔ The defective DX4 board is freely accessible. 1. Switch the unit off. 2. Disconnect the unit from the main fuse. 3. Remove all of the cables connected to the board.

  • Page 92: Replacing The Power Supply Cord For The Mobile Stand

    6 Repair Dentsply Sirona 6.5 Replacing the power supply cord for the mobile stand Service Manual Heliodent Plus Replacing the power supply cord for the mobile stand ✔ Switch the unit off and unplug the connector from the power socket. 1. To remove the cover, see Removing covers [ → 19].
  • Page 94 We reserve the right to make any alterations which may be required due to technical improvements. © Sirona Dental Systems GmbH Sprache: englisch Printed in Germany D3507.076.01.15.02 03.2018 Ä.-Nr.: 125 020 Sirona Dental Systems GmbH Fabrikstraße 31 62 15 102 D3507 Order No 64625 Bensheim Germany...

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