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Chopin Mixolab Maintenance Manual

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Maintenance manual
Ref.: MM-MIXO-EN Ind. 0
20, avenue Marcellin Berthelot - Z.I. du Val de Seine
92396 Villeneuve La Garenne cedex - France
Tél. : 33 (0)1 41 47 50 88 - Fax. : 33 (0)1 47 92 28 27
Mixolab
Date: April 2012
www.chopin.fr
www.chopinservice.com

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  • Page 1 Mixolab Maintenance manual Ref.: MM-MIXO-EN Ind. 0 Date: April 2012 20, avenue Marcellin Berthelot - Z.I. du Val de Seine 92396 Villeneuve La Garenne cedex - France www.chopin.fr Tél. : 33 (0)1 41 47 50 88 - Fax. : 33 (0)1 47 92 28 27...
  • Page 3 The technical elements that constitute this manual (text and illustrations) are not contractual, their only target being to bring assistance for troubleshooting and repairing the Mixolab. Use, duplication or disclosure of subject data, for any purpose other than relating to the servicing or repair of the equipment, is strictly prohibited without the written authorisation of Tripette &...

  • Page 5: Table Of Contents

    Mixolab Table of contents Chapter 1 Operation & Maintenance: reminders & additional information ... . . 7 Operating conditions ........9 Precautions related to tests .
  • Page 6 Mixolab MM-MIXO-EN Ind. 0 Maintenance manual 04/2012...

  • Page 7: Chapter 1 Operation & Maintenance: Reminders & Additional Information

    Mixolab Chapter 1 OPERATION & MAINTENANCE: REMINDERS & ADDITIONAL INFORMATION MM-MIXO-EN Ind. 0 Maintenance manual 04/2012...
  • Page 8 Mixolab MM-MIXO-EN Ind. 0 Maintenance manual 04/2012...

  • Page 9: Operating Conditions

    The equipment must be levelled by means of its adjustable feet. Do not place the Mixolab behind a window, particularly if it is exposed to sunlight for severals hours a day. The Mixolab must not be placed right up against a wall. Leave sufficient space to ensure proper ventilation.

  • Page 10: Precautions Related To Tests

    The water temperature of the cooling water circuit must be in a range between 15 ˚C and 20 ˚C. Precautions related ■ Tests on the Mixolab must always be conducted with great care. to tests All necessary instructions (test conditions, handling, cleaning) are detailed inside the Instruction Manual, and must be respected scru- pulously;...

  • Page 11: Control And Maintenance

    ■ Reminder of useful menus ❏ Maintenance screen A screen showing the Mixolab mimic diagram monitors operation of the main modules of the device. In order to access this mimic diagram, click on "Configuration" and then on "Maintenance".
  • Page 12 For passwords, refer to the corresponding procedures in this manual. ❏ Audit trail The "Mixolab Chopin" software contains a settings and errors audit trail that can be useful for Mixolab maintenance. To access this menu, click on "Audit trail" and then on "Audit trail".
  • Page 13 (quality of testing opera- tions, of testing environment or of the equipment). ENTITLED AGENT It is furthermore recommended to ask CHOPIN or an authorized agent for a complete overhaul of the equipment. Recommended frequency: Once a year, possibly every 2 years in case of less frequent testing.
  • Page 14 Mixolab MM-MIXO-EN Ind. 0 Maintenance manual Chapter 1 Operation & Maintenance: 04/2012 reminders & additional information...

  • Page 15: Chapter 2 Troubleshooting

    Mixolab Chapter 2 TROUBLESHOOTING MM-MIXO-EN Ind. 0 Maintenance manual 04/2012...
  • Page 16 Mixolab MM-MIXO-EN Ind. 0 Maintenance manual 04/2012...

  • Page 17: Method

    CHOPIN Technologies are available to try to solve the problem, via phone, fax or e-mail. If this fails, the unit will have to be sent back to CHOPIN for work- shop troubleshooting and repair. ■ Before starting any troubleshooting, all useful indications should be recorded.

  • Page 18: Fault Handling

    Mixolab Fault handling Switch off the power supply and disconnect the power cable before removing covers. Follow safe practice if you need to perform operations on powered equipment without covers. Error messages See in ERR No Description Action Chap.3 ■ Confirm on maintenance screen.
  • Page 19 Mixolab See in ERR No Description Action Chap.3 ■ Confirm on maintenance screen. ERR 14 "Bowl block temperature rise in problem!" ■ Cooling too important : After 5 min in calibration, bowl block - Test the solenoid valve using the T°...
  • Page 20 Mixolab See in ERR No Description Action Chap.3 ■ Switch the Mixolab off and then on. ERR 16 "Electronic problem on bowl block heating!" ■ Problem on CPU board Permanent bowl block heating - Check all connections on the Mixolab CPU...
  • Page 21 Mixolab See in ERR No Description Action Chap.3 ■ Switch the Mixolab off and then on. ERR 31 "Mixolab electronic fault!" ■ Problem on CPU board Memory checksum or memory access problem - Check all connections on the Mixolab CPU...
  • Page 22 Description Action Chap.3 ERR 51 "Motor blocked or speed Switch the Mixolab off and then on. measurement problem!" 1. If the kneading arms do not rotate: ■ Perform a test without bowl: if the Speed measured = 0 rpm message is no more displayed, check the...
  • Page 23 Mixolab See in ERR No Description Action Chap.3 ■ Confirm the motor error on maintenance ERR 52 "Motor overload (speed not reached)!" screen (speed < setpoint). ■ The indicator light is not green -> wait for Speed measured (all acquisitions) <...
  • Page 24 Mixolab See in ERR No Description Action Chap.3 ■ Cover open -> close the cover and press ERR 7 "Start-up request while the cover is open!" ■ Test the sensor using the maintenance Motor start-up request when the cover is open...
  • Page 25 Mixolab See in ERR No Description Action Chap.3 ■ Check the pump operation from the ERR 9 "Water metering problem!" maintenance screen: Pump limit stop time-out in filling; limit - place the nozzle on the tank, stop not reached after15 s - enter a sufficient value for the amount of...
  • Page 26 Software fault: the software are not compatible with more Incompatibility between files formats recent versions of the software -> In order to update the Mixolab software, install the new version in a new directory and op. 11-1 keep the old version ■...

  • Page 27: Interconnection Diagrams

    Mixolab Interconnection Diagrams below may help when searching failure origins. diagrams Mixer Solenoid Supply valve - cooling motor Mains board switch Inductive sensor USB board Torque- meter USB/ Thermocouple - Heat Dough safety board selection switch Heating resistors Air pump Temp.
  • Page 28 Mixolab Schémas MM-MIXO-EN Ind. 0 Maintenance manual Chapter 2 Troubleshooting 04/2012...
  • Page 29 Mixolab Prise sec- MM-MIXO-EN Ind. 0 Maintenance manual Chapter 2 Troubleshooting 04/2012...
  • Page 30 Mixolab Water pump Filling block Compressor Compressor solenoid valve Vent Vent Hydraulic circuit Water injection nozzle Tank Tank water level Cooling circuit MM-MIXO-EN Ind. 0 Maintenance manual Chapter 2 Troubleshooting 04/2012...

  • Page 31: Repair

    Mixolab Chapter 3 REPAIR MM-MIXO-EN Ind. 0 Maintenance manual 04/2012...
  • Page 32 Mixolab MM-MIXO-EN Ind. 0 Maintenance manual 04/2012...

  • Page 33: Introduction

    Mixolab Chapter 3. Repair This chapter details all corrective maintenance operations, authorised by CHOPIN, that can be carried out on "Troubleshooting"). the Mixolab (some of these instructions are in particular called out from chapter Spare parts and sub-assemblies shall be selected from the illustrated parts lists of chapter 4 "Spare...
  • Page 34 ❏ CABL: fitter/cableman ❏ TECH: laboratory technician, or electrical mechanic Instruction Ingredients Specific tools Competence Basic operations Operation 1-1Opening/closing the Mixolab (left and right casings) Operation 1-2Dismantling/installing the Cable ties central casing Operation 1-3Electrical, pneumatic and Cable ties CABL hydraulic connections...
  • Page 35 Mixolab Instruction Ingredients Specific tools Competence Operation 3-4Dismantling/installing the Cable ties coded magnet and the coded magnet detector Operation 3-5Dismantling/installing the Cable ties wired magnetic holder Hydraulic components Operation 4-1Dismantling/installing the Cable ties equipped tank Operation 4-2Dismantling/installing the Glue wired double level detector...
  • Page 36 10 : Power supply board Operation 10-1Dismantling/installing the power supply board 11 : Adjustments and checks for the Mixolab Operation 11-1Updating the Mixolab TECH software Operation 11-2Calibration the bowl and Precuion ther- TECH thermocouple temperatures mometer ±0,1°C "plain" bowl...
  • Page 37 Pt100 temperature probe Operation 11-13Checking the heating Multimeter TECH circuit Operation 11-14Checking the supply Voltmeter TECH voltages Operation 11-15Electrical checks on the Voltmeter TECH CPU board of the Mixolab MM-MIXO-EN Ind. 0 Maintenance manual Chapter 3 Repair 04/2012...
  • Page 38 Mixolab MM-MIXO-EN Ind. 0 Maintenance manual Chapter 3 Repair 04/2012...

  • Page 39: Instructions

    Mixolab Instructions See following pages. MM-MIXO-EN Ind. 0 Maintenance manual Chapter 3 Repair 04/2012...
  • Page 40 Sheet: 1 / 1 Operation 1-1 Opening/closing the Mixolab (left and right casings) Consumables: Tools: Any opening of the Mixolab requires to first unplug the power supply. Undo the two attachment screws of the left casing (A) (unit viewed from its front).
  • Page 41 Operation 1-2 Dismantling/installing the central casing Consumables: Cable ties Tools: Remove the Mixolab’s left and right casings (see op. 1-1). Undo the two rear attachment screws of the central casing (A). Unplug connector (B) of the 3-colour LED from the CPU board.
  • Page 42 Mixolab 1 : Basic operations Sheet: 2 / 2 Operation 1-2 Dismantling/installing the central casing Consumables: Cable ties Tools: Remove the circlips from the gas spring upper axle (H), then rotate the gas spring to the front. 10. Undo the screw attaching the cover on to the distribution block (I).
  • Page 43 1 : Basic operations Sheet: 1 / 2 Operation 1-3 Electrical, pneumatic and hydraulic connections Consumables: Tools: ❏ Remove the Mixolab’s left and right casings (see op. 1-1). Particular instructions for possibly problematic connections: Electrical connections ❏ Carefully record the actual arrangement of connectors on the CPU board, some connectors being identical.
  • Page 44 Consumables: Tools: Hydraulic connections (cooling system) Turn the Mixolab on its left side, laying thus on its left (not removed) casing. ❏ The hydraulic tubes connected to the bowl fittings are not easy to remove. To extract a tube press firmly on the fitting ring while pulling at the same time on the tube (A).
  • Page 45 Operation 1-4 Filter switch Consumables: Cable ties Tools: Dismantling/installing the filter switch Remove the Mixolab right casing (see op. 1-1). Record the actual location of each electrical wire from the switch on the grey terminal block (A). Disconnect the filter wires from this terminal block: insert a narrow tool in the hole close to the connection and pull out the wire (B).
  • Page 46 Sheet: 1 / 1 Operation 1-5 Anti-vibration feet Consumables: Tools: Turn the Mixolab on its left side (unit viewed from its front). Loosen the feet lock-nuts (A). Unscrew the anti-vibration feet. Replace the feet. When installing the unit, its horizontality shall be adjusted by mean of a spirit level (not supplied).
  • Page 47 Mixolab 1 : Basic operations Sheet: 1 / 1 Operation 1-6 Removing/installing the filling cup and its cover Consumables: Tools: Pull upwards the filling block with its cover to remove it (A) (take care not to loose the cover during the operation).
  • Page 48 Mixolab 1 : Basic operations Sheet: 1 / 1 Operation 1-7 Removing/installing the 3-colour LED cabled Consumables: Tools: Remove the left and right casings (see op. 1-1). Unplug connector of the LED on the CPU board (A). Unscrew the nut attaching the LED on the central casing, then remove the LED from the casing (B).
  • Page 49 Mixolab 2 : Bowl block assembly Sheet: 1 / 2 Operation 2-1 Dismantling/installing the resistors and the temperature limiter Consumables: Copper thermal compound grease, for use with heating cartridges Silicone mastic Tools: .Remove the left and right casings (see op. 1-1)
  • Page 50 19. Put some silicone mastic on the resistors and temperature sensor visible portions at the white plastic plate level. 20. Reconnect the wires from the resistors and the temperature limiter on the terminal block (see figure opposite). 21. Reinstall the left and right Mixolab casings (see op. 1-1). Terminal...
  • Page 51 Re-plug the "Safety and temperature measurement" connector on the CPU board, then secure the cable a cable tie. Calibrate the temperature sensor (see op. 11-2). Reinstall the left and right Mixolab casings (see op. 1-1). MM-MIXO-EN Ind. 0 Maintenance manual...
  • Page 52 Using flat pliers, pull on the thermocouple and extract it from the white plastic plate (C). Note: The dismantling of the thermocouple on the old Mixolab is performed by loosing the unique thermocouple fixation nut and then by pulling it on using flat pliers.
  • Page 53 Mixolab 2 : Bowl block assembly Sheet: 1 / 1 Operation 2-4 Dismantling/installing the thermocouple micro connector Consumables: Tools: Small screwdriver Remove the left and right casings (see op. 1-1) as well as the central casing (see op. 1-2). Record each wire location on the thermocouple connector.
  • Page 54 Mixolab 2 : Bowl block assembly Sheet: 1 / 1 Operation 2-5 Dismantling/installing the magnet detector for the bowl Consumables: Tools: - small screwdriver Remove the left and right casings (see op. 1-1). In addition to that, remove the central casing (see op.
  • Page 55 Mixolab 2 : Bowl block assembly Sheet: 1 / 1 Operation 2-6 Dismantling/installing the locking switch Consumables: - Silicone mastic (or equivalent) Tools: Remove the left and right casings (see op. 1-1). Undo the two attachement screws of the aluminium block on the centre casing (A).
  • Page 56 Mixolab 2 : Bowl block assembly Sheet: 1 / 1 Operation 2-7 Dismantling/installing the bearings of the Mixolab bowl Consumables: Tools: Pliers Dismount the Mixolab bowl. Undo the bowl assembling screws (A). Remove the front plate (B). Remove the two kneading arms (C).
  • Page 57 Mixolab 3 : External cover Sheet: 1 / 1 Operation 3-1 Dismantling/installing the gas spring protecting plate Consumables: Tools: Open the external cover (A) (take into account the magnet retaining force). Turn up the cover deflector. Undo the two attachment screws of the gas spring protecting plate (B).
  • Page 58 Mixolab 3 : External cover Sheet: 1 / 1 Operation 3-2 Dismantling/installing the cover deflector Consumables: Tools: Open the external cover (A) (take into account the magnet retaining force). Undo the four attachment screws of the cover on its hinge (B) (hold the cover during the operation to prevent its fall).
  • Page 59 Mixolab 3 : External cover Sheet: 1 / 1 Operation 3-3 Dismantling/installing the gas spring Consumables: Tools: Open the external cover (A) (take into account the magnet retaining force). Proceed to the dismantling of the gas spring protective plate (see op.
  • Page 60 Mixolab 3 : External cover Sheet: 1 / 1 Operation 3-4 Dismantling/installing the coded magnet and the coded magnet detector Consumables: Tools: Remove the left and right casings (see op. 1-1) as well as the central casing (see op. 1-2).
  • Page 61 Mixolab 3 : External cover Sheet: 1 / 1 Operation 3-5 Dismantling/installing the wired magnetic holder Consumables: Tools: Remove the left and right casings (see op. 1-1) as well as the central casing (see op. 1-2). Loosen the setscrew locking the magnetic holder (A).
  • Page 62 Mixolab 4 : Hydraulic components Sheet: 1 / 2 Operation 4-1 Dismantling/installing the equipped tank Consumables: Cable ties Tools: Remove the right casing (see op. 1-1). Remove the water injection nozzle (A). Remove the tube ball joint from the central casing (B), then remove the tube.
  • Page 63 Mixolab 4 : Hydraulic components Sheet: 2 / 2 Operation 4-1 Dismantling/installing the equipped tank Consumables: Cable ties Tools: 10. Undo the three attachment screws of the tank below the chas- Hydraulic schematic sis (G). Hydraulic Filling block Compressor pump Refitting the new tank does not require any particular instruction.
  • Page 64 Mixolab 4 : Hydraulic components Sheet: 1 / 1 Operation 4-2 Dismantling/installing the wired double level detector Consumables: Glue Tools: Remove the right casing (see op. 1-1). Note: Record the location of the hydraulic connection on the tank (see the hydraulic schematic on the previous page). Mark the position of the bowl against the cap in order to prevent the level detector from being exposed to the heating part.
  • Page 65 Mixolab 4 : Hydraulic components Sheet: 1 / 1 Operation 4-3 Dismantling/installing the buffer tank Consumables: Tools: Remove the right casing (see op. 1-1). Note : Record the location of the hydraulic connection on the tank (see (see hydraulic schematic on page 63).
  • Page 66 Mixolab 4 : Hydraulic components Sheet: 1 / 1 Operation 4-4 Dismantling/installing the wired tank resistor Consumables: Silicone mastic or equivalent Tools: Remove the right casing (see op. 1-1). Proceed to dismantling of the equipped tank (see op. 4-1). Extract the resistor from the thimble (A).
  • Page 67 Mixolab 4 : Hydraulic components Sheet: 1 / 1 Operation 4-5 Dismantling/installing the tank temperature sensor Consumables: Silicone mastic or equivalent Tools: Remove the right casing (see op. 1-1). Proceed to dismantling of the equipped tank (see op. 4-1). Extract the temperature sensor from the thimble (A).
  • Page 68 Mixolab 4 : Hydraulic components Sheet: 1/ 1 Operation 4-6 Dismantling/installing the water solenoid valve assembly wired connector Consumables: Tools: Water pump pliers Remove the left and right casings (see op. 1-1) as well as the central casing (see op.
  • Page 69 Mixolab 4 : Hydraulic components Sheet: 1 / 1 Operation 4-7 Dismantling/installing the equipped metering pump Consumables: Cable ties Tools: Remove the left and right casings (see op. 1-1). Disconnect the equipped pump cable from the CPU board (A). At pump level disconnect the two water tubes linking the pump to the tank (B).
  • Page 70 Mixolab 4 : Hydraulic components Sheet: 1 / 1 Operation 4-8 Dismantling/installing the water injection nozzle Consumables: Tools: Let the water injection nozzle in its housing. Disconnect the tube form the water injection nozzle by press- ing the fitting ring while pulling at the same time on the tube (A).
  • Page 71 Mixolab 5 : Pneumatic components Sheet: 1 / 1 Operation 5-1 Dismantling/installing the membrane compressor Consumables: Cable ties Tools: Remove the left and right casings (see op. 1-1), as well as the central casing (see op. 1-2). Disconnect the tube from the compressor (A) (record previ- ously its location).
  • Page 72 Mixolab 5 : Pneumatic components Sheet: 1 / 1 Operation 5-2 Dismantling/installing compressor solenoid valve Consumables: Tools: Remove the right casing (see op. 1-1). Disconnect the solenoid valve tube (A) while carefully record- ing their location. Unplug the wiring solenoid valve connector from the CPU board (B).
  • Page 73 Mixolab 6 : Motor and drive Sheet: 1 / 2 Operation 6-1 Dismantling/installing the wired motor Consumables: Cable ties Tools: Remove the left and right casings (see op. 1-1), as well as the central casing (see op. 1-2). Unplug the motor cable connector from the CPU board (A) (cut as needed the cable ties).
  • Page 74 Mixolab 6 : Motor and drive Sheet: 2 / 2 Operation 6-1 Dismantling/installing the wired motor Consumables: Cable ties Tools: Undo the two screws attaching the sensor support (E), then remove the sensor and its support. Loosen the motor-side coupling set screw (F).
  • Page 75 Mixolab 6 : Motor and drive Sheet: 1 / 1 Operation 6-2 Dismantling/installing the encoder disc painted Consumables: Tools: Remove the left and right casings (see op. 1-1). Undo the two attachment screws of the encoder wheel (A) then remove it.
  • Page 76 Mixolab 6 : Motor and drive Sheet: 1 / 1 Operation 6-3 Dismantling/installing the inductive sensor Consumables: Cable ties Tools: Feeler set Remove the left and right casings (see op. 1-1). Unplug the connector of the inductive sensor on the CPU board (A) (common connector with the torques measurement cable).
  • Page 77 Mixolab 6 : Motor and drive Sheet: 1 / 1 Operation 6-4 Dismantling/installing the motor coupling Consumables: Cable ties Loctite 222 (pink) Tools: Remove the left and right casings (see op. 1-1), as well as the central casing (see op.
  • Page 78 Mixolab 6 : Motor and drive Sheet: 1 / 1 Operation 6-5 Dismantling/installing the torquemeter support Consumables: Cable ties Loctite 222 (pink) Tools: Remove the left and right casings (see op. 1-1), as well as the central casing (see op.
  • Page 79 Mixolab 6 : Motor and drive Sheet: 1 / 1 Operation 6-6 Dismantling/installing the contactless torquemeter Consumables: Cable ties Silicone thermal compound 1201 Tools: Remove the left and right casings (see op. 1-1), as well as the central casing (see op.
  • Page 80 Mixolab 6 : Motor and drive Sheet: 1 / 1 Operation 6-7 Dismantling/installing torque measurement cable Consumables: Cable ties Tools: Remove the left and right casings (see op. 1-1). Unscrew then remove the torquemeter cable (A) at sensor level. Cut the cable tie holding the cable on the torquemeter support.

  • Page 81: Unscrew Then Remove The Torquemeter Cable (A) At Sensor

    Mixolab 6 : Motor and drive Sheet: 1 / 2 Operation 6-8 Dismantling/installing the distribution block Consumables: Cable ties Silicone thermal compound 1201 Loctite 222 (pink) Tools: Remove the left and right casings (see op. 1-1), as well as the central casing (see op.

  • Page 82: Sheet: 2 / 2

    17. Refit the motor coupling (see op. 6-4). 18. Reinstall the wired motor (see op. 6-1). 19. Reinstall the left and right Mixolab casings (see op. 1-1), as well as the central casing (see op. 1-2). MM-MIXO-EN Ind. 0...
  • Page 83 Mixolab 6 : Motor and drive Sheet: 1 / 2 Operation 6-9 Dismantling/installing a kneading arm coupling Consumables: Loctite 222 (pink) Tools: Remove the left and right casings (see op. 1-1), as well as the central casing (see op. 1-2).
  • Page 84 15. Tighten the couplings at bowl-side (thread locking with Loctite 222). 16. Check the good rotation by manually turning the kneading arms from the encoder disc. 17. Reinstall the left and right Mixolab casings (see op. 1-1), as well as the central casing (see op.
  • Page 85 Allen key (C) then remove the USB board assembly. Replace the USB board support assembly, carefully re-plug the two connectors on the CPU board. Reinstall the right Mixolab casing (see op. 1-1).s Electronic circuits sensitive to electrostatic discharges. Use precautions during handling (antistatic floor, grounded wrist).
  • Page 86 Mixolab 8 : Inductor for 1.2A armature Sheet: 1 / 1 Operation 8-1 Dismantling/installing inductor for 1.2A armature Consumables: Tools: Presence of 230 Vac, first disconnect the mains supply. Remove the left and right casings (see op. 1-1), as well as the central casing (see op.
  • Page 87 Undo the four attachment screws of the CPU board with an Allen key (B), and remove the board. Replace the CPU board, carefully re-plug all connectors while respecting the previously recorder mounting order. Reinstall the left and right Mixolab casings (see op. 1-1). Electronic circuits sensitive to electrostatic discharges.
  • Page 88 Mixolab 9 : Mixolab CPU board Sheet: 1 / 1 Operation 9-2 Dismantling/installing of the insulated cabochon for thermocouple sensor Consumables: Silicone mastic (or equivalent) Tools: Presence of 230 Vac, first disconnect the mains supply. Remove the left and right casings (see op.
  • Page 89 Undo the four attachment screws of the power supply board with an Allen key (B), then remove the board. Replace the power supply board, carefully re-mount the con- nectors. Reinstall the right Mixolab casings (see op. 1-1). Electronic circuits sensitive to electrostatic discharges.
  • Page 90 Turn off the Mixolab from the On/Off switch on its side (D). Press OK on the dialog box "Turn of the MIXOLAB..". A dialog box " Turn on the MIXOLAB then press OK" pops up (E). Turn on the Mixolab from the On/Off switch on its side (F).
  • Page 91 Wait 10 min. then read the temperature on the thermometer. Compare the thermometer temperature to the bowl tempera- ture measured by the Mixolab (B): they should be the same at ± 0,5°C. Note: If the temperatures are not the same, go to the maintenance menu, and proceed as follows.
  • Page 92 Mixolab 11 : Adjustments and checks for the Mixolab Sheet: 2 / 2 Operation 11-2 Calibration the bowl and thermocouple temperatures Consumables: Tools: Precision thermometer ±0,1°C Click on the brown tab (C) (under the temperature setpoint) to access to the modification window of the heating block temper- ature.
  • Page 93 Wait 10 min. then read the temperature on the thermometer. Compare the thermometer temperature to the tank tempera- ture measured by the Mixolab (B) : they should be the same at ± 0,5°C. Note: If the temperatures are not the same, go to the maintenance menu, and proceed as follows.
  • Page 94 Mixolab 11 : Adjustments and checks for the Mixolab Sheet: 2 / 2 Operation 11-3 Calibrating the tank temperature Consumables: Tools: Precision thermometer ±0,1°C Click on the brown corner (under the tank temperature set- point) to access to the tank temperature modification window (C).
  • Page 95 Mixolab 11 : Adjustments and checks for the Mixolab Sheet: 1 / Operation 11-4 Calibrating the dough temperature Consumables: Tools: ■ Determining the temperature calibration rate: In order to set a calibration curve for an X bowl by reference to a standard bowl, first you must determine a rate, said calibration rate.
  • Page 96 Mixolab 11 : Adjustments and checks for the Mixolab Sheet : 2 / Operation 11-4 Calibrating the dough temperature Consumables: Tools: Calibration window, check if both coefficients CoefEtalTemp1 and 2 = 0 (C); If yes, close the window, if no, set them both to 0 and save chan- ges, then close window by clicking on the cross in the top right;...
  • Page 97 Note : This test will be recorded in the Mixolab database and will be used in the calculation of the calibration rate. There- fore, both the series and the name of the test have naming requirements.
  • Page 98 Mixolab 11 : Adjustments and checks for the Mixolab Sheet: 4 / Operation 11-4 Calibrating the dough temperature Consumables: Tools: ■ Testing with temperature adjustment: ❏ Determining the temperature rate: In this part, we will describe the steps to achieve a calibration rate: Access the "Configuration"...
  • Page 99 Mixolab 11 : Adjustments and checks for the Mixolab Sheet: 5 / Operation 11-4 Calibrating the dough temperature Consumables: Tools: A new menu appears (C); this menu is aimed at choosing the standard test by reference to a comparison test. The upper...
  • Page 100 - Click on YES, the rate is assigned to the bowl being used (1 or 2) ; - Transfer the rate to the Mixolab by clicking on the double arrow button (see illustration below).
  • Page 101 ❏ Application testing with temperature adjustment: Make sure the calibration rate is well taken into account in the Mixolab. Therefore, check the calibration rates in the "Calibra- tion" menu. For doing so, return from here and follow the step « 1-1 Precaution before testing ».
  • Page 102 Mixolab 11 : Adjustments and checks for the Mixolab Sheet: 8/ Operation 11-4 Calibrating the dough temperature Consumables: Tools: In the "Configuration" menu, access the synoptic view of the "Maintenance" menu: Untick the "Testing without temperature adjustment" option then, close the window; In unticking this option, the calibrating of tempe- rature is activated.
  • Page 103 Mixolab 11 : Adjustments and checks for the Mixolab Sheet: 9/ Operation 11-4 Calibrating the dough temperature Consumables: Tools: Once the test is performed, open and compare the results (graphic) of the tests with and without dough temperature adjustment set time= 20 min. For doing this: - Open the standard test;...
  • Page 104 "1-3 Testing with tempera- ture adjustment". The calibration rate adjusted, we must transfer it to the Mixolab, i.e enter it by hand in the "Calibrating the temperature" menu: Activate the "Calibrating the dough temperature" menu then, redo part 1-3-1;...
  • Page 105 Enter by hand on the right bowl the adjusted calibration rate by clicking on the corresponding button (see illustration above); Validate the following confirmation message: Retransfer the adjusted calibration rate to the mixolab by clic- king on the purpose double arrow; Close the "Calibrating the temperature" menu by clicking on the red cross;...
  • Page 106 Note: If the speed measured is different from the speed setpoint in the maintenance menu, the speed measurement made by the Mixolab may be incorrect. In this case, check the encoder wheel or the sensor. Turn off the unit and disconnect the mains.
  • Page 107 Operation 11-6 Checking the cooling circuit Consumables: Tools: Note: In order to check the cooling circuit, the Mixolab must be con- nected to a water valve and to a drained sink (see sketch opposite). Go to the maintenance menu of the Mixolab.
  • Page 108 Operation 11-7 Adjusting the flow rate of the cooling circuit solenoid valve Consumables: Tools: Note: In order to adjust the solenoid valve flow rate, the Mixolab must be connected to a water valve and to a drained sink (see sketch opposite).
  • Page 109 1 minute. The adjustment of the valve is performed with the MIXOLAB slightly tilted to easier the passage of the hand, and the 1 minute flow test shall be performed with the MIXOLAB horizontal, parallel to the table.
  • Page 110 1-1). Set the pump on mechanical stop (A) (do not buckle the metal- lic support) and turn back 1/2 turn. Run the MIXOLAB program and acknowledge the error mes- sage. Go to the maintenance menu. On the pump icon click on the corner coloured in brown (B).
  • Page 111 Mixolab 11 : Adjustments and checks for the Mixolab Sheet: 1 / 4 Operation 11-9 Calibrating the Mixolab pump Consumables: Tools: Precision scale in thousandths ■ Calibrating for 10 ml Go to the maintenance menu of the Mixolab. On the pump icon click on the corner coloured in brown (A).
  • Page 112 Mixolab 11 : Adjustments and checks for the Mixolab Sheet: 2 / 4 Operation 11-9 Calibrating the Mixolab pump Consumables: Tools: Place the equipped vessel on a precision scale. Tare the scale so that it displays zero. Place the nozzle in the vessel (D).
  • Page 113 Mixolab 11 : Adjustments and checks for the Mixolab Sheet: 3 / 4 Operation 11-9 Calibrating the Mixolab pump Consumables: Tools: ■ Calibrating for 30 ml Under the piston icon enter 30ml (G) in place of the 10ml previ- ously.
  • Page 114 Mixolab 11 : Adjustments and checks for the Mixolab Sheet: 4 / 4 Operation 11-9 Calibrating the Mixolab pump Consumables: Tools: ■ Verifying the calibration Under the piston icon enter 25ml (the verification will be car- ried out with 3 samples of 25ml).
  • Page 115 Mixolab 11 : Adjustments and checks for the Mixolab Sheet: 1 / 2 Operation 11-10 Calibrating the torque measurement Consumables: Tools: Voltmeter (DC) Adjusting the 2.5V Take a voltmeter (DC). Undo the screw designated by the red arrow (B). Turn the adjustment screw inside the couplemeter (CAUTION: very fragile) in order to get a voltage within 2.49V ↔...
  • Page 116 Mixolab 11 : Adjustments and checks for the Mixolab Sheet: 2 / 2 Operation 11-10 Calibrating the torque measurement Consumables: Tools: Multimeter Sensor gain The sensor gain is mentioned on a yellow label (see photo oppo- site). Note it carefully.
  • Page 117 Chopin standard flour Tools: The coeffi cient "K fl our" allo ws to align the Mixolab with a ref erence . Chec k that K fl our is equal to 1 otherwise set it to 1 if neces - sar y . In the maintenance men u, clic k on bro wn cor ner ( A).
  • Page 118 Sheet: 1 / 1 Operation 11-12 Checking characteristics of a Pt100 temperature probe Consumables: Tools: Multimeter First turn off the Mixolab and disconnect the mains supply. Remove the right casing (see op. 1-1). Disconnect the temperature probe to be tested (see (A)) Measure on the cable’s connector the ohmic resistance of the...
  • Page 119 Sheet: 1 / 1 Operation 11-13 Checking the heating circuit Consumables: Tools: Multimeter First turn off the Mixolab and disconnect the mains supply. Remove the left and right casings (see op. 1-1), as well as the central casing (see op.
  • Page 120 11 : Adjustments and checks for the Mixolab Sheet: 1 / 1 Operation 11-14 Checking the supply voltages Consumables: Tools: Voltmeter First turn off the Mixolab and disconnect the mains supply. Remove the right casing (see op. 1-1). Re-connect the mains supply. Turn on the Mixolab.
  • Page 121 Mixolab 11 : Adjustments and checks for the Mixolab Sheet: 1 / 1 Operation 11-15 Electrical checks on the CPU board of the Mixolab Consumables: Tools: Voltmeter First turn off the Mixolab and disconnect the mains supply. Remove the right casing (see op.
  • Page 122 Mixolab MM-MIXO-EN Ind. 0 Maintenance manual Chapter 3 Repair 04/2012...

  • Page 123: Chapter 4 Spare Parts

    Mixolab Chapter 4 SPARE PARTS MM-MIXO-EN Ind. 0 Maintenance manual 04/2012...
  • Page 124 Mixolab MM-MIXO-EN Ind. 0 Maintenance manual 04/2012...

  • Page 125: Warnings

    ■ Unless otherwise mentioned, all metallic fasteners are stainless steel-made. ■ All parts having a Chopin Technologies part number must be pur- chased from Chopin Technologies, or from an authorized agent. ■ When making out a purchase order, take care to mention: ❏...
  • Page 126 Mixolab MM-MIXO-EN Ind. 0 Maintenance manual Chapter 4 Spare parts 04/2012...

  • Page 127: Parts Lists

    Figure N° 1 Mixolab - External cover equipped Figure N° 2 Mixolab - Bowl block assembly Figure N° 3 Mixolab - Compressor and CPU support Figure N° 4 Mixolab - Motor equipped Figure N° 5 Mixolab - Tank equipped Figure N° 6 Mixolab - Chassis equipped Figure N°...
  • Page 128 Mixolab figure 1 - Mixolab - Complete MM-MIXO-EN Ind. 0 Maintenance manual Chapter 4 Spare parts 04/2012...

  • Page 129: Mixolab - Complete

    Mixolab Mixolab - Complete Min. CHOPIN item Description qty p. Note Part no. order BOWL, MIXOLAB - COMPLETE MIX 152 FILLING HOPPER MIX 129 UNBLOCKING TOOL MA 48 TUBE, 8x14 DIA - CRISTAL MIX 157 SUPPLY CORD 10-16 AL 72...
  • Page 130 Mixolab figure 2 - Mixolab - External cover equipped MM-MIXO-EN Ind. 0 Maintenance manual Chapter 4 Spare parts 04/2012...

  • Page 131: Mixolab - External Cover Equipped

    Mixolab Mixolab - External cover equipped Min. CHOPIN item Description qty p. Note Part no. order GAS SPRING, 12-50 MIX 92 SCREW - HSHC M3X6, STAINLESS STEEL PLATE - GAS SPRING PROTECTION MIX 156 SCREW - HSHC M4X10, STAINLESS STEEL...
  • Page 132 Mixolab figure 3 - Mixolab - Bowl block assembly MM-MIXO-EN Ind. 0 Maintenance manual Chapter 4 Spare parts 04/2012...

  • Page 133: Mixolab - Bowl Block Assembly

    Mixolab Mixolab - Bowl block assembly Min. CHOPIN item Description qty p. Note Part no. order CONNECTOR - MINIATURE, MIX 101 THERMOCOUPLE K THERMOCOUPLE - WIRED MIX 103 DISTRIBUTION BLOCK MIX 168 SCREW - HSHC M5X20, STAINLESS STEEL COUPLING, KNEADING ARM...
  • Page 134 Mixolab figure 4 - Mixolab - Compressor and CPU support MM-MIXO-EN Ind. 0 Maintenance manual Chapter 4 Spare parts 04/2012...

  • Page 135: Mixolab - Compressor And Cpu Support

    Mixolab Mixolab - Compressor and CPU support Min. CHOPIN item Description qty p. Note Part no. order INDUCTOR - WIRED, 1.2A ARMATURE MIX 12 SCREW - HSHC M5X12, STAINLESS STEEL WASHER - RLC 5MM DIA SOLENOID VALVE - WIRED, MIX 183...
  • Page 136 Mixolab figure 5 - Mixolab - Motor equipped MM-MIXO-EN Ind. 0 Maintenance manual Chapter 4 Spare parts 04/2012...

  • Page 137: Mixolab - Motor Equipped

    Mixolab Mixolab - Motor equipped Min. CHOPIN item Description qty p. Note Part no. order MOTOR - WIRED MIX 133 SCREW - HEX M6X20 AZ WASHER - L6 AZ ENCODER WHEEL, PAINTED CDA 183 SCREW - HSHC M4X10 AZ INDUCTIVE DETECTOR, COUNTER...
  • Page 138 Mixolab figure 6 - Mixolab - Tank equipped MM-MIXO-EN Ind. 0 Maintenance manual Chapter 4 Spare parts 04/2012...

  • Page 139: Mixolab - Tank Equipped

    Mixolab Mixolab - Tank equipped Min. CHOPIN item Description qty p. Note Part no. order TANK - EQUIPPED MIX 140 WASHER - 4MM DIA AZ SCREW - HEX M4X25 AZ NOZZLE - WATER INJECTION MIX 153 LEVEL DETECTOR - DOUBLE, WIRED...
  • Page 140 Mixolab figure 7 - Mixolab - Chassis equipped MM-MIXO-EN Ind. 0 Maintenance manual Chapter 4 Spare parts 04/2012...

  • Page 141: Mixolab - Chassis Equipped

    Mixolab Mixolab - Chassis equipped Min. CHOPIN item Description qty p. Note Part no. order PUMP - EQUIPPED MIX 94 WASHER - L 4MM DIA AZ NUT - NYLSTOP 4MM DIA TUBE - SILICONE 3.18x1.98MM DIA SD 82 GROMMET, DETECTOR TM3 32 TUBE - TEFLON Ø6x4MM DIA...
  • Page 142 Mixolab figure 8 - Mixolab - Casings MM-MIXO-EN Ind. 0 Maintenance manual Chapter 4 Spare parts 04/2012...

  • Page 143: Mixolab - Casings

    Mixolab Mixolab - Casings Min. CHOPIN item Description qty p. Note Part no. order CASING - LEFT MIX 67 SCREW - HSHC M5X12, STAINLESS STEEL LED - 3-COLOUR, WIRED MIX 132 GUIDANCE ADAPTER PLUG 8 MM DIA 1/8 G MIX 119...
  • Page 144 Mixolab MM-MIXO-EN Ind. 0 Maintenance manual Chapter 4 Spare parts 04/2012...

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