Cocoon Cooltech Service Manual Download Page 62

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Basic operation

Type of equipment

Cold controlled equipment for medical use

Technical characteristics

Maximum continuous vacuum

250mbar

Vacuum regulation range

-100mbar to -250mbar (Tolerance ±10%)

Maximum cooling power (each applicator)

160W

Cooling power (each applicator)

90W @ 0°C and Tamb 25°C

Minimum cooling temperature

-8°C (Tolerance ±5,±1°C)

Program time

35-70min (Error ±5%)

Power

Power supply

Monophase, 100-240V

Frequency

50 - 60Hz

Maximum power

1000W

Regulation

Directive MDD

Class IIa

Class according to IEC60601-1

Class I, Type BF

Marcaje

CE0051

Fisical characteristics

Dimensions

540x440x550mm

Weight

39kg

Screen

Touch screen

10, 4”

Summary of Contents for Cooltech

Page 1: ...Cooltech SERVICE MANUAL Service Manual Cooltech V1 1 ...

Page 2: ...arcador no definido 2 3 Report incidents Error Marcador no definido 2 4 Software update Error Marcador no definido 3 Troubleshooting and alarms Error Marcador no definido 3 1 Screen alarms Error Marcador no definido 3 1 1 Low coolant level 22 3 1 2 High or low pressure hydraulic circuit 22 3 1 3 Emergency stop actived 25 3 1 4 High or very low equipment temperature warning 26 3 1 5 Vacuum circuit ...

Page 3: ...s not decrease 46 3 2 8 Equipment does not decrease below 0 C 50 3 2 9 Equipment does not suck 51 3 2 10 Suction losses 54 3 3 Report incidents 80 4 Spare part list Error Marcador no definido 5 Technical data Error Marcador no definido ...

Page 4: ...PACKING ACCESSORIES Accesorio Each accessory is wraped in a plastic bag and placed in the box A4 02266 A4 01454 x2 A4 01454 x2 A4 01454 x2 A4 01455 A4 01455 ...

Page 5: ... A4 01454 x2 A4 01453 A4 01454 A4 01455 A4 01455 A4 01455 x2 x2 x2 ...

Page 6: ...APPLICATORS PACKAGING Ref of packaging EMB 23 XX Cooltech applicator packaging MANUALS PACKING BOX A4 01391A ...

Page 7: ...Packing layout A4 02266 A4 01389 x2 A4 01591 A4 01391 A4 01415 ...

Page 8: ......

Page 9: ...elow Electronics The electronic block consists of 2 CPUs the Main and TFT control board Main CPU TFT control board Main CPU is located inside the electic cabinet of the equipment on the left side viewed from the front while TFT control board is mounted underneath the display TFT control board is responsible for displaying the necessary images on the screen analyzing and informing the Main CPU when...

Page 10: ...ature vacuum and refrigeration of each applicator reading the information from all inputs sensors switches power supplies resistors ect and activating any of outputs pumps peltiers electrovalves ect in different moments and also sending the relevant feedback to the screen The following figure shows all cables connection to Main CPU Main CPU connections Nº cable Description 0 Level sensor for depos...

Page 11: ...r 7 Ventilator electronics 8 Emergency button 16 Control cable peltier power supply applicator 2 17 Control cable peltier power supply applicator 1 18 Buzzer 19 Backlight TFT 20 Communication cable power supply 24V TFT 21 Internal temperature sensor ...

Page 12: ...1 1 2 Vacuum system ...

Page 13: ...e of cleaning products If this material comes in contact with substances such as alcohol solvents ammonia or other aggressive products thinners acetone it reacts forming cracks which are not visible immediately but in the next days To clean this material it is recommended to use specific methacrylate products such as Vetril or use a well squeezed cloth or soft paper after being soaked in water wit...

Page 14: ...ipment there is an air filter to prevent entering dust iside the unit To remove the filter just pull it This filter should be cleaned once every month To clean it use a vacuum cleaner or shake it The filter should be changed once a year To supply these filters contact the manufacturer Replacement of antibacterial vapor filter When the filter is dirty and the suction power is insufficient in its co...

Page 15: ...to the applicator being cleaned otherwise will damage the paper filter Always empty before filling At the end of the cleaning perform several more operations with air only to blow out any water left in the hose Then empty and clean the tank To do this remove the cap and wash out all the gel residues Replace the cover The tank should be closed properly carefully tighten all tank clips otherwise wil...

Page 16: ...uipment and incidence Problem related to the security Model Serial number S N YES Technical service report No Conditions Warranty Internal Customer Contract Demo Cargo Customer Direction Installation Other Date of incident ...

Page 17: ...cator Serial number Incidence specifications Repair specifications Materials for repair Part No Component Quantity Description Price Software updated Ver Details Filled by the manufacturer Warranty details Replace Repair RMA no ...

Page 18: ...f the equipment by unscrewing the 3 rear screws as shown on the image1 and access to the electro cabinet Image2 Once the PCB of the equipment is located connect the AVR programmer to the PCB Pay attention on the connector position Start the previously installed Atmel Studio turn the equipment on and follow the steps ...

Page 19: ...amming in the Tool drop menu select Atmel ICE and in the drop menu Device select ATmega128 Then press the Apply button 3 Before programming it is necessary to read and save the EEPROM information for the equipment To make this procedure go to the Memories tab and click the button in the EEPROM section ...

Page 20: ...lick the Save button and finally click the Read button 5 Click the button as shown in the image and select the appropriate Cooltech program hex file in the Flash section Then select the EEPROM file previously saved Click on the Program button in the Flash section ...

Page 21: ...6 To ensure that the programming process in the section Flash has gone correctly check if appears at the bottom of the screen the following text ...

Page 22: ...ng process in the section EEPROM has gone correctly check if appears at the bottom of the screen the following text These are the alarms that appear during a treatment as animated image on the screen indicating the type of fault Some can stop the treatment and others are only a warning In below are described the different screen alarms ...

Page 23: ... the error persists check the operation of the tank level sensor With full tank measure continuity on the wire marked 0 tank level sensor and check that the dry contact is closed Level sensor connector If the contact does not close try to measure again while moving the floater state downwards If in this case the contact closes change floater position upside down On the contrary if it does not clos...

Page 24: ...ars without previous beeps indicates that there is no pressure in the circuit and the pump is not working To check these values and identify the problem in SW versions equal or higher than xx 15 it is necessary to access to code screen enter the code 0004 and press the light icon marked on the image in red This code drives the pump and the current pressure value appears in the display On the other...

Page 25: ...determined if the pump is faulty in the case of a low value and a obstruction in the circuit when the value is high Low pressure value If the code 0004 is entered on the code display and the pump does not start check on the terminals of connector J if is applied 24V If yes replace the pump In case of no 24V proceed to change the CPU High pressure value Note If this fault appears when upgrading fro...

Page 26: ...ms with different hand pieces that connected to other equipment are working well proceed with replacing the CPU obviously has problem in the current sensor circuit 3 1 3 Emergency stop actived Appears only on the main screen indicating that during the treatment the emergency button has been pressed If during a treatment process the emergency stop is pressed the equipment is being restarted stoppin...

Page 27: ...nd if it occurs for lower temperatures it is possible that the equipment could have not enought cooling liquid If this error occurs continuously check and measure with the multimeter the value of the internal temperature sensor at the terminals of the connector The cable is marked with the number 21 white cables Internal temperature sensor connection to Main CPU At 25ºC should give a value close t...

Page 28: ...h the treatment and main screen when the accessory recognition system stops reading that the handle is connected This error occurs normally if the applicator is not well connected so to ensure a good contact check that the metal bar is totally locking the front connector If it is closed properly and the alert reappear intermittently access the code screen and check if the reading value is stable E...

Page 29: ...g intermittent values resolder or replace the resistor and recheck if the values are stable Measure the resistance value between marked pins 4 and 5 of the lower connector of the applicator With 2 wrenches size 10 remove 1 of the screws to release the shaft and locking handle Remove the 2 screws to separate the 2 covers ...

Page 30: ...e applicator or continue working if it is only one Whichever of this errors appears it is recommended to replace the handpiece although it is still working There are 5 possible temperature reasons for this alarm to find it out it is necessary to access the code screen enter 123789 and press enter The last 6 temperature alarms will appear starting with the newest right and the oldest left Each numb...

Page 31: ...yellow and red of each of the plates The value will vary every 2 seconds showing the temeperature measured by each sensor one per a plate Format of the displayed numbers The three numbers that appear on the screen have different meanings for temperatures above 0 C 3 digits with one decima And below 0 C the first digit is always 9 indicating the symbol Interpretation of the temperatura values Valor...

Page 32: ...acuum circuit Head position and head status In the great majority of cases this failure is due to the incorrect placement of the head on the body or using improper type of applicator for the relevant zone Perform a visual inspection of the head both inside and outside checking that there are no cracks that could cause the suction loss In order to check if the failure due to a positioning or equipm...

Page 33: ...roceed to the next verification step Rear vacuum deposit tanks If the previous test has failed using the above described methods and there are no damages both internal and external parts of the head check the external deposit tanks of the equipment In case of having the problem in only one of the applicators first check if the tank is completely closed and its tubes are properly connected to the m...

Page 34: ... correctly proceed to replace the CPU On the contrary if the problem occurs in both channels have to l perform several more checks Perform a test of the equipment using the silicone pad or a balloon presetting a vacuum less than the programmed in the previous treatment ie if had programmed 240 mbar change to 200 mbar and check if it will reach the setpoint If it reaches 200 mbar the test indicates...

Page 35: ...e connected 2 tubes one goes to EV1 and 2 and the other one to EV3 and 4 Make the test bending the tube that goes towards EV 3 and 4 as shown in the image If after blocking the tube the vacuum loss persists proceed replacing the CPU since possibly the vacuum sensor is faulty ...

Page 36: ...d to open the equipment and check if in the main power supply SP 24 150W has 100 240V applied to the input terminals If not check the wiring of 100 240v Power supply SP 24 150W marked in yellow If the voltage at the input is correct but at the output is missing disconnect the power cable from the CPU to make sure that there is no bad component on the board causing the power supply to trigger its p...

Page 37: ...Power supply mounting screws For better access to the screws ...

Page 38: ...ccess to the screws of the sources it is recommended to remove the hydraulic deposit tank to facilitate the operation Install the new power supply and reconnect the cables General power supply connection SP 150 24V ...

Page 39: ...his access the code screen and type codes 65001 for applicator 1 and 65002 for applicator 2 The corresponding values for each type of applicators are as shown in below Any other value out of these ranges the equipment will interpret it as that there is no accessory connected Applicator type Resistance value Machine accepting range Straight 0 R 0 40 Tight Curved Oval 7 68Kohm 592 645 Tiny 4 22Kohm ...

Page 40: ...Applicator recognition connector If the wiring is OK and measuring with a multimeter resistance mode resistance value is correct according to the table proceed to replace the CPU ...

Page 41: ... a finger in the center of the screen Keeping pressed switch on the machine and wait until the next image appears Calibration start screen Click on the plus signs that appear on the screen using a pencil or some Sharp stick for higher accuracy in terms of calibration First step upper left corner Second step center Third step lower right corner 3 plus signs will appear first in the upper left corne...

Page 42: ...emoving the screws as there are 4 spacer washers between display chassis and front cover Spacer washers 3 2 4 Lined screen Lined screen When this problem appears check the LVDS cable that between the CPU and the TFT for damage and if is well connected If can not solve it replace the TFT block ...

Page 43: ...d does not respond to the pressing this is because the rental period has expired It may happen also if occured an error during the firmware update or programming of the equipment Equipo bloqueado In order to proceed with the renewal of the rent it is necessary to check two parameters One is the device list number which is written on the first line in the information screen ...

Page 44: ...position number from list number displayed Code number from the list Then enter one of the 2 codes to renew the rental period Press enter the light will turn to green and instead of 2 will appear 3 which is the next position in the list In the case of reaching the last position in the list 50 it will be necessary to install a new code list On the contrary if you want to release the equipment it wi...

Page 45: ...ne warm In order to have a continuous low temperature effect it is very important to cool down forcedly the warm side using liquid cooling system Peltier element In the next steps are described the possible causes and solutions of the problem Room temperature Fot the normal operation of the device the room temperatura have to be maintained not higher than 28 C Equipment not close to a wall The equ...

Page 46: ... your hand or a sheet of paper It should flow from inside to outside in the back of the equipment Air Flow through the radiator In case that any of the 2 fans does not work proceed to replace it To do this remove the 4 screws that hold it to the radiator as shown in the picture Screw fastening the fans to radiator Once the screws have been removed disconnect electrically the fan or fans from Main ...

Page 47: ...us chart If the values are not similar could be possible that some of the peltier elements is faulty and can not reach the set temperature Proceed replacing the applicator 3 2 7 Applicator temperature does not decrease In case that one of the hand pieces does not reach the programmed temperature but the other one does a few minutes after start exchange the applicators to determine if the fault is ...

Page 48: ... connected properly Adjustable power supply control connection Power supply terminal Cable colour RC White PV Red V Black If the connection is correct check also the same cable if is properly connected to Main board as follows power supply for applicator 1 to connector 17 and power supply for applicator 2 to connector 16 ...

Page 49: ...ry if the failure persists exchange the connectors 17 and 16 to rule out a possible CPU problem If after exchanging the cables the source that did not work begin functioning change the CPU but on the contrary if the problem persists proceed to replace the power supply To do this disconnect the cables from the source and remove the 4 screws from the rear that hold it to the intermediate chassis ...

Page 50: ...Power supply screws For better access to the screws ...

Page 51: ...e PV Red V Black V X2 Black 2 5mm V X2 Red 2 5mm Proceed starting a treatment and measure the source output voltage 3 2 8 Equipment does not decrease below 0 C When configuring a treatment the temperatures can not be lowered below 0 C it is because during equipment update either the EEPROM was not programmed or or was programmed with an unused list To check this access the information screen and c...

Page 52: ... it in the codes screen Code screen Code list Once the reserved code is entered the light will turn green and the machine will emit 4 long beeps identifying that the code is correct IMPORTANT Each code list is UNIQUE belonging only to one equipment and can not be applied to another 3 2 9 Equipment does not suck If at the beginning of a treatment the equipment reaches the programmed vacuum even whe...

Page 53: ...oblem persists is to clean the suction duct of the applicators For this purpose use the cleaning syringe and a container full of warm water cold also possible Cleaning syringe Before carrying out the filling process disconnect the tube with the red ring from the deposit tank as shown in the image Suction tube disconnection It is necessary for safety reasons protecting the vacuum pump in case a tre...

Page 54: ...uum line Repeat the procedure twice Then perform the same but injecting air only in order to remove excess water in the circuit If after cleaning the hand piece the problem persists open the equipment and try to find where the obstruction could be tracing the vacuum line ...

Page 55: ...intain it most probably is caused by an air leaks In order to detect it follow the procedure step by step Vacuum circuit The first step is to use the silicone pad or balloon in order to detect if the problem is caused by the placement of the hand piece on the body or the coolpad is misplaced Step 1 ...

Page 56: ...t of the applicator on the body But if still persists move to the second step Step 2 In step 2 is tested the section of the line to the deposit tank in the back In case the air leak has stopped blocking as shown on the image the fault is either in the plastic connector on the back or in the connector of the applicator with the equipment To change the plastic connector first disconnect the pipe fro...

Page 57: ...case the leak persists proceed with step 3 Step 3 Step 3 Block the line at the other hose of the tank tube with filter and test the circuit from the return connector of the tank to the pump If the leak has stopped the problem has been is in the tank of the equipment To solve it replace the deposit As a temporary solution make a bridge explained in previous chapter ...

Page 58: ...rary bridge In case the leak persists proceed to step 4 Step 4 From step 4 onwards are checked the internal components of the equipment in this case block the tube connecting the tank and the solenoid valves ...

Page 59: ...step 2 If the problem persists move to step 5 Step 5 Block the tube just before the vacuum sensor in this case the tested component is only the sensor So if the error persists change the CPU But if the leak disappeared the problema has been in Electro valve 1 EV1 which does not close correctly To replace a solenoid valve follow the recommendations ...

Page 60: ...enoid valve from the base by removing the screws then disconnect it from the tubes Disconnect the cable from the CPU EV1 and EV2 connectors Install the new solenoid valve reconnect the tubes and the cable Proceed to perform again step 1 to make sure that the problem is solved ...

Page 61: ...FIL00004 Air filter Cooltech 510078 External support vacuum deposit tank SUB00226 Radiator block assembly Cooltech SWT00005 Emergancy button assembly SUB00215 Hydraulic filter assembly Cooltech SUB00212 Hydraulic deposit tank assembly Cooltech MOC00001 Main board CPU 3408 Cryo 510072 Vacuum deposit tank assembly Cryo SUB00302 Hydraulic pump assembly C E MME00077 Front cover Cooltech SUB00042 Fitti...

Page 62: ...wer each applicator 160W Cooling power each applicator 90W 0 C and Tamb 25 C Minimum cooling temperature 8 C Tolerance 5 1 C Program time 35 70min Error 5 Power Power supply Monophase 100 240V Frequency 50 60Hz Maximum power 1000W Regulation Directive MDD Class IIa Class according to IEC60601 1 Class I Type BF Marcaje CE0051 Fisical characteristics Dimensions 540x440x550mm Weight 39kg Screen Touch...

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