Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for DENTSPLY Multimat2Sinter
Summary of Contents for DENTSPLY Multimat2Sinter
- Page 1 Instructions for Use Sintering furnace Multimat2Sinter...
- Page 2 The text and illustrations of these Instructions for Use have been compiled with the utmost diligence. Nevertheless, the presence of typographic errors or incorrect data cannot be excluded. Please note that DeguDent GmbH cannot accept any liability for such errors. Page 1...
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Page 3: Table Of Contents
Table of contents General ................................4 On these Instructions for Use ........................4 Explanation of symbols ..........................4 Copyright and intellectual property rights ....................5 Limitation of liability ............................. 5 Replacement parts ............................6 Warranty ..............................6 Customer Support ............................6 Safety ................................ - Page 4 Installing and commissioning ........................18 Safety ................................ 18 Installation ..............................19 6.2.1 Deploying the high-temperature furnace ..................19 6.2.2 Connecting the argon supply ......................20 Connecting to mains ..........................21 Commissioning ............................21 6.4.1 Removing the transport lock ......................21 6.4.2 Adjust furnace parameters .......................
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Page 5: General
General On these Instructions for Use These Instructions for Use will facilitate allow safe and efficient operation of the unit. The manual is part of the unit. Keep it in the immediate vicinity of the device, readily accessible for operators. All operators must carefully read and understand these Instructions for Use prior to handling the unit for the first time. -
Page 6: Copyright And Intellectual Property Rights
Tips and recommendations NOTE: Highlights useful tips, recommendations and information for efficient and trouble-free operation. Special safety To draw attention to special hazards, safety precautions use the following symbols: instructions DANGER! Electric current is a life hazard! Indicates life-threatening situations caused by electric current. Failure to follow the safety instructions can result in severe injury or death. -
Page 7: Replacement Parts
Replacement parts WARNING! Inappropriate replacement parts create a safety hazard! Inappropriate or faulty replacement parts may affect the safety of the unit and cause damage, malfunction or failure. Therefore: Use only original replacement parts provided by the manufacturer. Replacement parts can be obtained from authorized dealers or directly from the manufacturer (address on ... -
Page 8: Safety
Safety This section gives an overview of all important safety aspects for maximum staff protection and for safe and trouble-free operation. Failure to follow the safety and operator instructions in these Instructions for Use may result in considerable hazards! Responsibilities of the owner/legal operator This unit is designed for use in a commercial environment. -
Page 9: Intended Use
Intended use The unit is intended and designed for the following use only: The high-temperature furnace is used for sintering dental zirconium dioxide ceramics as well as crowns and bridges made of cobalt-chromium alloys for sintering at temperatures of up to 1,600°C. WARNING! Inappropriate use of the device constitutes a hazard! Any use of the unit beyond or outside the intended and use may lead to hazardous... - Page 10 Hot surfaces CAUTION! Burn hazard when touching hot surfaces! Contact with hot components can cause burns. Therefore: Always wear protective clothing and gloves when working near hot components. Always ensure that all components have cooled to ambient temperature before any work. Hot objects WARNING! Burn hazards when touching hot objects!
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Page 11: Behaviour In Case Of Danger Or Accidents
Behaviour in case of danger or accidents Preventive Always be prepared for accidents or fire! measures Keep first-aid equipment (first-aid kit, blankets etc.) and fire extinguishers within easy reach. Make sure all staff members are familiar with equipment and devices for reporting accidents, for providing first-aid and life-saving functions. -
Page 12: Technical Specifications
3 Technical specifications General Parameter Value Unit External dimensions (W × H × D) 385 × 780 × 500 mm 2 bowls 120 mm × 35 mm Heating chamber volume Maximum temperature 1650 °C Heating rate selectable: 1–99 °C/min Weight 58 kg Electrical connection... -
Page 13: Rating Plate
Rating plate The nameplate is located on the left side of the housing and contains the following information: Manufacturer name and address Type designation (Type) Serial number (S/N) Supply voltage and frequency Power consumption Disposal symbol ... -
Page 14: Description Of Components
Description of components Heating chamber The heating chamber is made of a high-quality ceramic material evenly heated by four MoSi heating elements. Heat insulation The heating chamber is surrounded by a ceramic insulating layer on all sides. Lift The objects are lifted in and out of the heating chamber automatically using on electric motor drive. -
Page 15: Hazardous
Hazardous Furnace housing hazard area Burn hazard on external surfaces! Fig. 4: Potential burn hazard Lift hazard area Risk of pinching (1) between the lift plate and the access of the heating chamber (hidden) Fig. 5 Potential pinching hazard. Controls 4.5.1 Electronic controls... -
Page 16: Switch And Button Functions
4.5.2 Switch and button functions Power switch is lit when the power is on (switch pressed downward) Fig. 7: On/Off switch, in On position Buttons Button Function 0–9 (numeric buttons) Enter numbers F button Open parameter dialogue Start/Stop button Start/stop heating program Load button Load heating program from memory Save button... -
Page 17: Transport, Packaging And Storage
5 Transport, packaging and storage Safety instructions for transport Improper transport CAUTION! Improper transport may cause damage! In case of improper transportation, substantial property damage may result. Therefore: Exercise caution when delivering and unloading the packed items and when transporting them on the site. -
Page 18: Delivery Inspection
Delivery inspection On receipt, immediately check the consignment for completeness and any transport damage. In case of visible transport damage, proceed as follows: Refuse the consignment or accept it only with reservations. Note the extent of damage on the transport documents or on the delivery note. ... -
Page 19: Transport
Transport Transporting pallets with a forklift Packages on pallets can be transported with a forklift under the following conditions: The forklift must be able to accommodate the weight of the pallet and package(s). The operator of the forklift must be properly licensed. Lifting: Move the pair of forks of the truck between the bars or under the pallet. -
Page 20: Installation
Electrical installation DANGER! Electric current is a life hazard! Contact with live components can be a life hazard. Therefore: Prior to any work, switch off the system’s power supply and secure it against being switched back on. Furnace weight CAUTION! Risk of injury on improper lifting of the furnace! Improper lifting of the furnace can lead to back pain and... -
Page 21: Connecting The Argon Supply
6.2.2 Connecting the argon supply CAUTION! When using argon in the laboratory, follow the pertinent national safety regulations (for Germany: TRGS 526, and especially section 5.2.11, Compressed gas cylinders and fittings) When replacing the Crypton door by Cercon door, make sure to disconnect the argon supply of from the furnace. -
Page 22: Connecting To Mains
The argon flow during a Crypton sintering cycle is 1 l/min. Determining the amount of argon remaining: The pressure gauge shows how much compressed argon is left in the argon cylinder. A new argon gas cylinder is filled to 200 bar. If the pressure reading is only half of that, i.e. -
Page 23: Adjust Furnace Parameters
6.4.2 Adjust furnace parameters The high temperature furnace is shipped from the factory with the time already set and with standard parameters chosen. Before first use, customize the time and other furnace parameters if and as needed. Note: The controller does not automatically alternate between standard and daylight saving time. -
Page 24: Operation
Operation Staff Laboratory assistant, trained dental technician Safety Basics WARNING! Improper operation is an injury hazard! Improper operation can lead to serious injury or property damage. Therefore: Perform all steps only as specified in these Instructions for Use. ... -
Page 25: Turning On The Furnace
CAUTION! Risk of damage to electronic controller components due to arcing! During the heating phase, if the space between metallic objects and the walls of the heating chamber is too small, there is a risk of electrical discharges. This may cause irreparable damage to the control electronics of the furnace. -
Page 26: Sintering Crypton
Sintering Crypton (Not included with all units, see section 4.6, Scope of delivery, page 15.) The Crypton sintering set consists of the following components: 1. Door for Crypton sintering 2. High-performance ceramic bottom plate 3. High-performance ceramic sintering bowl 4. High-performance ceramic sintering guard 5. -
Page 27: Exchanging The Chamber Door
Exchanging the chamber door To sinter Cercon, the chamber door must be exchanged first. In addition, the argon supply line of the Crypton door must be disconnected. To exchange the chamber door, proceed as follows: 1. To disengage the connector of the argon supply line of the Crypton door, slide the retaining ring of the connector in the direction of the furnace housing. -
Page 28: Detecting Program Type Changes (Door-Changing Requirement)
5. When inserting the Cercon door, make sure that the guide pin of the door engages the bore hole provided. Fig. 21: Unlocking the door. 6. Slide the Cercon door onto the furnace mount as far as it will go. Unlock the guide pin again by turning it to the left. Gently pull the door forward until the guide pin engages the corresponding bore hole in the door mount. -
Page 29: Sintering Cercon
Sintering Cercon (Not included with all units, see section 4.6, Scope of delivery, page 15) The Cercon sintering set consists of the following components: 1. Door for Cercon sintering 2. Lid for speed-sintering bowl 3. Ring for speed-sintering bowl 4. Bottom plate for speed-sintering bowl 5. -
Page 30: Programming
Bridges of more than 8 units are placed on the heating table using a special sintering bar for large-span bridges. Up to 2 large-span bridges can be sintered in the same sintering cycle. Fig. 26: Placement of bridges with sintering bar (more than 8 units). Programming The following sintering programs for Crypton, Cercon base and Cercon ht are pre-programmed: Final... - Page 31 Loading a heating program The standby screen displays the levels and heating parameters of the currently loaded heating program. To display and configure the steps and parameters of an existing heating program, the program must first be loaded from memory. NOTE! To create a new heating program and save later on, first download a free program number.
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Page 32: Saving A Heating Program
Enter the holding time via the numeric keypad. Note: Maximum holding time: 240 minutes. After all three heating parameters have been defined, the settings Fig. 30: Entering the holding time. for one heating level are complete. Additional heating levels The S2 to S4 buttons can be used to define up to three additional heating levels. -
Page 33: Starting And Stopping A Heating Program
1. Press the Save button. The display shows the save dialogue. 2. Press the F button several times. The letters A, B will appear next to the cursor one after one. Once the letter Z has been reached, the next letter that appears will be the letter A again. -
Page 34: Starting A Heating Program Automatically
7.10 Starting a heating program automatically The built-in timer can be used to let the furnace turn on automatically in time for the currently loaded heating program to be terminated at a preset completion time. The timer accepts weekday and time settings for program termination. -
Page 35: Turning Off The Furnace
7.11 Turning off the furnace Turn off the furnace with the On/Off switch. The power indicator in the power switch will be turned off. CAUTION! Burn hazard caused by residual heat of the high-temperature furnace! Even when turned off, the unit may still be very hot from a previous heating cycle. -
Page 36: Additional Functions
8 Additional functions Speed sintering with Cercon materials This option facilitates sintering within only 90 minutes at heating and cooling rates of up to 70°C/min. NOTE! Speed-sintering programs 3 and 6 for Cercon base and ht are only suitable for bridge spans of up to 6 units. -
Page 37: Speed Sinterprogramme Erstellen
Speed Sinterprogramme erstellen This option facilitates sintering within only 90 minutes at heating and cooling rates of up to 70°C/min. NOTE! With speed-sintering programs only the supplied speed-sintering bowls must be used. Standard bowls are not suitable for heating rates above 30°C/min. Special heating-level functions S1 Heating to an intermediate temperature, with holding time. -
Page 38: Sintering Programs With Optimized Cooling Phase
Sintering programs with optimized cooling phase Sintering programs 4 and 7 have been pre-programmed as fast- cooling programs for single crowns and bridges with up to eight units made of Cercon base and ht. The sintering programs for Cercon base and ht include an optimized dedicated cooling phase. -
Page 39: Troubleshooting Messages
Residual heat CAUTION! Burn hazard caused by residual heat of the furnace! Even when turned off, the unit may still be very hot from a previous heating cycle. Burn hazard when touching the walls of the heating chamber or the lifting plate! Therefore: ... -
Page 40: Table Of Troubleshooting Messages
Table of troubleshooting messages Problem Possible cause Potential remedies Cleared by Incorrect time Incorrect time saved in the Set the correct time Operator controller. ( section Commissioning). Oven does not start Power failure or interruption. Check the mains connection automatically for proper function. -
Page 41: System Information Used In Troubleshooting
Problem Possible cause Potential remedies Cleared by RCD too sensitive. Install 30-mA RCDs. Display shows “Door Terminal position switch Visual inspection, Service open” even though stuck or broken. Contact service technician. technician furnace door is closed (lifting plate is up) System information used in troubleshooting ... -
Page 42: Maintenance
10 Maintenance and cleaning 10.1 Safety Staff The maintenance operations described here can be performed by the operator. Residual heat CAUTION! Burn hazard caused by residual heat of the furnace! Even when turned off, the unit may still be very hot from a previous heating cycle. -
Page 43: Dismantling And Disposal
11 Dismantling and disposal At the end of the unit’s service life, dismantle the unit and dispose of properly. 11.1 Safety The dismantling operations described here can be performed by the operator. Staff Residual heat CAUTION! Burn hazard caused by residual heat of the high-temperature furnace! Even when turned off, the unit may still be very hot from a previous heating cycle. -
Page 44: Ec Declaration Of Conformity
63457 Hanau Germany We hereby declare that the sintering furnace Multimat2Sinter conforms with the basic requirements of the following EC Directives: 1. Directive 2011/65/EC on the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS) 2. - Page 45 DeguDent GmbH Rodenbacher Chaussee 4 63457 Hanau-Wolfgang GERMANY www.degudent.com...
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