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Sterilizers Bravo G4

- TECHNICAL MANUAL

100

TECHNICAL SHEETS

7.7. TECHNICAL SHEET ST07 - CONDUCTIVITY SENSOR

WARNING:

The service activity on this component requires the side covers removal. Once the intervention

has been completed, correctly refit all covers and carry out the SAFETY TEST (including

dielectric strength and ground continuity tests).

The conductivity sensor is located inside the demineralized water tank.

G4 17 – G4 22 – G4 28

Conductivity sensor

SERVICE OPERATIONS

WARNING:

Before performing any type of operation on internal components, turn off the autoclave

and disconnect the mains cable.

- Empty both the demineralized water tank containers.

- Remove all the covers and disconnect connector CN39 (H

O Sensor) from the PCB.

- Disconnect all the pipes connected to the tank and the electrical connections.

- Remove the retaining screws and extract the tank to access the sensor and replace it.

Содержание SciCan BRAVO G4

Страница 1: ...BRAVO G4 Chamber Autoclave Technical Service Manual SD 603 EU EN R3 97071291 3 BRAVO is a trademark of SciCan Ltd A Coltene Group company...

Страница 2: ......

Страница 3: ...buted by SciCan Ltd A Coltene Group Company 1440 Don Mills Rd Toronto ON Canada M3B 3P9 T 1 416 445 1600 TF 1 800 667 7733 customerservice scican com Manufactured by CEFLA s c Headquarter Via Selice P...

Страница 4: ...Sterilizers Bravo G4 TECHNICAL MANUAL 2 CONTENTS EN ITALIANO Page left blank intentionally...

Страница 5: ...1 6 1 CODE E ERROR WARNINGS 51 6 2 CODE A ALARM 60 6 3 CODE H HAZARD 77 6 4 CODE S SYSTEM ERROR 82 7 TECHNICAL SHEETS 85 7 1 TECHNICAL SHEET ST01 STEAM GENERATOR ON ALL MODELS 85 7 2 TECHNICAL SHEET S...

Страница 6: ...tenance operations and contain all the necessary information CEFLA s c shall be responsible for the safety reliability and efficiency of the equipment provided that Installation any modifications sett...

Страница 7: ...tory to wear safety shoes WARNING Use eye protections WARNING Use protective clothing WARNING It is mandatory to ensure that there is a grounding connection WARNING See the User Manual WARNING Disconn...

Страница 8: ...orming any maintenance or cleaning operation The packed device must be handled using where possible suitable mechanical means forklift pallet truck etc and following the indications on the package In...

Страница 9: ...to 70 C 41 F to 158 F b relative humidity from 20 to 80 c atmospheric pressure from 50 to 110 kPa It is recommended to transport and store the device at a temperature not lower than that indicated on...

Страница 10: ...within five work days The claim is to be made by the person who commissioned the shipping agent I e If the goods are delivered carriage forward the receiver shall notify the shipping agent If the goo...

Страница 11: ...er cables and connectors Condition of grounding cables and correct tightening Condition of covers Condition of electrical board protections and correct value of the fuses Conditions of warning plates...

Страница 12: ...Sterilizers Bravo G4 TECHNICAL MANUAL 10 GUIDELINES SAFETY TEST VALIDATION IF REQUIRED EN 3 2 CONFORMITY REPORT...

Страница 13: ...o be tested NOTE The device under test must be on and must be pre heated in advance by operating a cycle of at least 30 minutes until it reaches the operating temperature as required by the Standard S...

Страница 14: ...between network and grounding A Measurement of ground conductor resistance to be carried out after setting the test current of 25 Amperes in the tester B Measurement of ground leakage current Select...

Страница 15: ...uthorised technician The correct operation of the device must be verified by performing a full functional check File the report in the warranty and maintenance booklet of the device 3 4 INDICATIONS FO...

Страница 16: ...owered nor activated Solenoid valves Fans Water pump Vacuum pump Chamber tube bundle heating element Generator heating element With PRE HEATING active the chamber tube bundle heating element is activa...

Страница 17: ...ng temperature values are observed Tube bundle heating element Generator heating element Chamber inside PT3 temperature detection 135 C 275 F PT2 temperature detection 155 C 311 F PT1 temperature dete...

Страница 18: ...Vacuum 8 ET Equilibration Time 9 SS STERILIZATION Start 10 SE STERILIZATION End 11 DS Drying Start 12 SPD Start Drying Pulse 13 EPD End Drying Pulse 14 DE Draining End 15 CE Cycle End 1 CS Cycle Star...

Страница 19: ...ber pressure detection 0 20 FRACTIONATED VACUUM CYCLE injection activation injection end chamber pressure detection 0 70 chamber pressure detection 0 60 The sequence is repeated 3 times with a subsequ...

Страница 20: ...Sterilizers Bravo G4 TECHNICAL MANUAL 18 FUNCTIONING EN 134 C Program B Cycle 4 mins ROW versions only 132 C 270 F Hollow Wrapped Cycle 4 mins US CA versions only...

Страница 21: ...TECHNICAL MANUAL EN FUNCTIONING 19 According to the vacuum pump model present in the autoclave a specific minimum pressure value is required that can be achieved during vacuum pulses VACUUM PUMP PMIN...

Страница 22: ...emperature is kept inside the chamber and that steam is quickly generated 1st PRESSURE RISE component activation status STATUS EV1 High drain N O EV2 Air inlet N C EV3 Low drain N C EV4 Drain deflecto...

Страница 23: ...Sterilizers Bravo G4 TECHNICAL MANUAL EN FUNCTIONING 21...

Страница 24: ...easier to reach the value of 0 80 bar solenoid valve EV2 is also activated for 5 2st VACUUM PHASE component activation status STATUS EV1 High drain N O EV2 Air inlet N C EV3 Low drain N C EV4 Drain de...

Страница 25: ...Sterilizers Bravo G4 TECHNICAL MANUAL EN FUNCTIONING 23...

Страница 26: ...on of air will allow for an optimal diffusion of steam ensuring the same temperature in all the areas of the load 2st PRESSURE RISE component activation status STATUS EV1 High drain N O EV2 Air inlet...

Страница 27: ...Sterilizers Bravo G4 TECHNICAL MANUAL EN FUNCTIONING 25...

Страница 28: ...N C EV3 Low drain N C EV4 Drain deflector 3V EV5 Chamber air inlet N C FAN WATER PUMP EV6 VACUUM PUMP CHAMBER TUBE BUNDLE HEATING ELEMENT GENERATOR HEATING ELEMENT Hydraulic Circuit pressure compens O...

Страница 29: ...Sterilizers Bravo G4 TECHNICAL MANUAL EN FUNCTIONING 27...

Страница 30: ...versions depending on the type of cycle selected In this pressure rise phase the activation conditions of the various components are the same as the previous ones 3st PRESSURE RISE component activatio...

Страница 31: ...ECHNICAL MANUAL EN FUNCTIONING 29 Once the pressure and temperature values set for the selected sterilization cycle have been reached the 3rd pressure rise ends and the sterilization process starts wi...

Страница 32: ...8 F ALL versions 1 14 1 11 122 C 251 6 F 1 11 134 C ROW versions only 2 17 2 14 135 2 14 132 C 270 F US CA versions only 1 99 1 96 133 C 271 4 F 1 96 During BALANCING and PROCESS phases the control s...

Страница 33: ...Sterilizers Bravo G4 TECHNICAL MANUAL EN FUNCTIONING 31...

Страница 34: ...of solenoid valve EV2 are required to balance the pressure value inside the hydraulic circuit and facilitate the activation of the vacuum pump DRAINAGE component activation status STATUS EV1 High dra...

Страница 35: ...Sterilizers Bravo G4 TECHNICAL MANUAL EN FUNCTIONING 33...

Страница 36: ...residual steam the number of pulses performed can vary according to the humidity level in the load In the pressure rise phases carried out during pulses solenoid valve EV5 is activated to allow the a...

Страница 37: ...Sterilizers Bravo G4 TECHNICAL MANUAL EN FUNCTIONING 35 The LEVELLING phase starts at the end of the standard drying time and at the end of any additional drying time that can be set by the user...

Страница 38: ...e bacteriological filter EV5 without suction LEVELLING component activation status STATUS EV1 High drain N O EV2 Air inlet N C EV3 Low drain N C EV4 Drain deflector 3V EV5 Chamber air inlet N C FAN WA...

Страница 39: ...Sterilizers Bravo G4 TECHNICAL MANUAL EN FUNCTIONING 37...

Страница 40: ...SQ2 ENTER PIN Enter the PIN 7242 and confirm with ENTER PIN can t be modified SQ3 SERVICE MENU The SERVICE menu offers the following options Component test PT1 probe calibration MPX calibration Displ...

Страница 41: ...ER COMPONENTS Select the OTHER COMPONENTS menu to display the following components BH chamber tube bundle heating element SG generator heating element VP vacuum pump WP EV6 water injection pump soleno...

Страница 42: ...ALVE TEST The SAFETY VALVE TEST allows checking the safety valve sealing by means of a cycle bringing the chamber pressure over 2 64 bar The test does not provide a result regarding safety valve openi...

Страница 43: ...TS This menu is used to test individual component or to activate and test several components at the same time to check the different functions that are supposed to be performed during a sterilization...

Страница 44: ...ENT TEST From DOOR menu Lock the door From SOLENOID VALVES menu Open EV1 and EV4 Close the other solenoid valves if open From OTHER COMPONENTS menu Activate VP vacuum pump Then back to the SOLENOID VA...

Страница 45: ...nu Open EV1 and EV4 Close EV3 Go to the OTHER COMPONENTS menu then Take note of the reading P of chamber pressure Activate VP vacuum pump If EV1 is open powered off chamber pressure value P will decre...

Страница 46: ...test SQ16 CHECK FOR WATER INJECTION PUMP EV6 ACTIVATION Open the door From the OTHER COMPONENTS menu Activate WP EV6 Check that water is supplied to chamber properly Perform test only if PT2 steam gen...

Страница 47: ...is possible to unlock the door moving it to the closing position keeping the 2 microswitches activated With command it is possible to open the door unlocking the 2 microswitches With the door open Sw...

Страница 48: ...wing options No vacuum Continuous cycle Emptying cycle SQ24 NO VACUUM ROW version only Select NO VACUUM to display the 134 C S cycle start up screen With the command indicated on the left you can acti...

Страница 49: ...5 minutes pause between subsequent cycles The same procedure can be applied to the TEST cycles SQ26 EMPTYING CYCLE Select EMPTYING CYCLE to eliminate any residual water from the circuit SQ27 INITIAL S...

Страница 50: ...ed one s by means of the scrolling control buttons screen side The product code is reported on ID label on the rear panel confirm the product code remove the USB key when required The device restarts...

Страница 51: ...econds Pure 100 Option ROW versions only Alarm Time 1000 seconds Filling Time 500 seconds Pure 500 Option ROW versions only Alarm Time 2500 seconds Filling Time 900 seconds Ev Aux Option Alarm Time 10...

Страница 52: ...ent Door seal replacement Scheduled maintenance The values can be modified lowering only the original values confirming the new values with ENTER SQ38 COUNTER RECOVERY In case of main electronic board...

Страница 53: ...from the power socket Reconnect the power cable properly and follow the indications on the display to open the door Reset the alarm and repeat the sterilization cycle Alarm shown at every start up Che...

Страница 54: ...of water with inadequate quality Lock counter activated it is possible to run up to 5 cycles Empty the filling tank and fill it with demineralized water falling within the limit of 15 S Activate the...

Страница 55: ...ersions only Empty the filling tank replace the PURE 500 filtering element kit Top up the tank ROW versions only For connection to demineralization centralized system check the quality of the water su...

Страница 56: ...tion cycle to reset the cycle counter for autoclave lock For connection to Demineralization centralized system check the quality of the water supplied by the system Empty the filling tank and select m...

Страница 57: ...rvomotor by means of the SERVICE COMPONENT TEST DOOR menu Replace the gearmotor see the technical sheet ST03 DOOR CLOSING UNIT Problem when screwing crossbar threaded bushing servomotor worm screw cor...

Страница 58: ...tank upon cycle activation level check Top up water until the maximum level symbol is displayed 1 Minimum level sensor reading not correct sensor check Check Level sensor positioning Minimum level sen...

Страница 59: ...Connectivity module problem Replace the board on which there is the connectivity module E061 WI FI CONFIG ERROR CHECK SETTINGS Error during connection to Wi Fi network due to Wi Fi configuration para...

Страница 60: ...n the connection point the correct positioning of the pipe on the fitting That the stainless steel clamp is present and correctly tightened To check the tightness it can be useful to activate a test c...

Страница 61: ...r suction from the chamber Problem with pipes check of pipes Check integrity and correct connection of Chamber reinforced pipes TEFLON pipes Heat exchanger sleeved pipes Problem in the heat exchanger...

Страница 62: ...place the damaged level sensor PCB problem during sensor reading reading check Replace the board A040 FAILED WATER INLET CHECK AUTOMATIC LOAD Tank filling failed with automatic filling For connection...

Страница 63: ...PT1 probe from the PCB Detect continuity and resistive value which must fall between 1000 and 1500 ohm Replace PT1 probe see technical sheet ST05 PT1 PROBE CHAMBER TEMPERATURE READING PCB problem Repl...

Страница 64: ...Check the integrity of PT3 wiring paying special attention to the connector on the PCB 1 PT3 probe problem probe check Check PT3 resistive value Replace PT3 probe A115 CONDUCTIVITY SENSOR PT5 SHORT C...

Страница 65: ...graphic interface and process board via CAN Replace one PCB at a time until the problem is solved 1 A128 ETHERNET MODULE ERROR CONTACT TECH SERVICE Communication error between graphic interface and bo...

Страница 66: ...has been detected Check that the mains outlet power voltage is correct If it is correct replace the process board 2 A146 SOLENOID VALVE DRIVER ERROR CONTACT TECH SERVICE Fault signal from solenoid val...

Страница 67: ...the vacuum pump start For the check it can be useful to activate the vacuum pump by means of the SERVICE COMPONENT TEST OTHER COMPONENTS SOLENOID VALVES menu which allows to detect air suction from th...

Страница 68: ...ce check Steam generator clogging problem device check Check filling tank filter and water injection pump inlet filter correct activation of water pump and opening of EV6 For the check it can be usefu...

Страница 69: ...ter pump and opening of EV6 For the check it can be useful to activate the water pump and EV6 by means of the SERVICE COMPONENT TEST OTHER COMPONENTS menu which allows to detect air passage through th...

Страница 70: ...pply voltage Replace the vacuum pump 2 EV1 EV3 discharge solenoid valve problem component check EV4 exchange solenoid valve problem component check Check EV1 correct opening not powered Correct power...

Страница 71: ...of water pump and opening of EV6 For the check it can be useful to activate the water pump and EV6 by means of the SERVICE COMPONENT TEST OTHER COMPONENTS menu which detects air passage through the ge...

Страница 72: ...of water pump and opening of EV6 For the check it can be useful to activate the water pump and EV6 by means of the SERVICE COMPONENT TEST OTHER COMPONENTS menu which detects air passage through the ge...

Страница 73: ...p supply voltage Replace the vacuum pump 2 EV1 EV3 discharge solenoid valve problem component check EV4 exchange solenoid valve problem component check Check EV1 correct opening not powered Correct po...

Страница 74: ...tion of water pump and opening of EV6 For the check it can be useful to activate the water pump and EV6 by means of the SERVICE COMPONENT TEST OTHER COMPONENTS menu which detects air passage through t...

Страница 75: ...NTS menu which allows to detect air passage through the generator to the chamber Presence of any leakage on the water pump and generator connecting pipes Replace vibration pump Perform steam generator...

Страница 76: ...5 shaft does not slide Clean or replace EV5 shaft 2 EV5 dirty EV5 not powered Replace EV5 wiring Replace the fuse Replace the board Check for an air leakage from one of the MANIFOLD solenoid valves St...

Страница 77: ...or replace it if necessary A353 ATM1 DOWNSTROKE TIMEOUT CHECK LOAD CHECK CHAMBER FILTER 1st return from pressure at 0 10 bar not completed within the timeout Chamber chamber drain filter problem comp...

Страница 78: ...error during decreases in drying cycle Chamber depressurisation not completed within the timeout Clean the chamber drain filter see Maintenance Appendix in the User Manual 1 OK warning Tap OK on pop u...

Страница 79: ...ort circuit chamber The pressure read by the transducer is higher than the maximum pressure 2 60 bar The pressure transducer wiring is damaged Check wiring and relevant connection 2 Pressure transduce...

Страница 80: ...MAXIMUM LIMIT CONTACT TECH SERVICE During the process PT1 value is too high The temperature detected by PT1 temperature sensor is higher than Tnom 4 C 39 2 F Steam generator clogging problem Generato...

Страница 81: ...irmware version not updated Check update autoclave FW version H404 ERRATIC TEMPERATURE CONTACT TECH SERVICE During the process the difference between max and min PT1 is too great The difference betwee...

Страница 82: ...chamber See sheet ST01 Steam generator There is an air leakage from door seal Thoroughly clean the door seal and the steel door leaf Replace the door seal Firmware version not updated Check update au...

Страница 83: ...r passage through the generator to the chamber The PCB is damaged Replace the PCB H992 PT2 OVERHEATING CONTACT TECH SERVICE PT2 overheating The chamber internal temperature is higher than 230 C 446 F...

Страница 84: ...USB KEY CHANGE KEY USB key not accessible USB key is not detected Reconnect USB memory Check that the USB memory is correctly formatted up to 4G FAT 16 Kbit sector beyond 4G FAT32 16 Kbit sector Repl...

Страница 85: ...m the USB DATA MANAGEMENT menu 1 Download NEW cycles S030 SYSTEM ERROR CONTACT TECH SERVICE Check through watchdog that one of the main tasks has not crashed Control software malfunction RESET followi...

Страница 86: ...been completed 1 S051 FAILED START SWITCH OFF ON THE DEVICE IF THE PROBLEM PERSISTS CONTACT TECH SERVICE START failed Switch off on the device If the problem persists contact Technical Service Proces...

Страница 87: ...ACTERISTICS The generator is made of a cylindrical outer body and a grooved inner core that are connected by a threaded coupling the two sections can be separated for maintenance purposes Pressure is...

Страница 88: ...the suitable screw Re connect PT2 wiring to general PCB Restore insulation using aluminium tape and refit the generator onto the support Cleaning inside of generator Remove the 2 fastening screws and...

Страница 89: ...Sterilizers Bravo G4 TECHNICAL MANUAL EN TECHNICAL SHEETS 87 GENERATOR HEATING ELEMENT TO GENERAL CARD CONNECTION 1 Autoclave main board 2 Heating element connection 3 Safety thermostat...

Страница 90: ...ECHNICAL MANUAL 88 TECHNICAL SHEETS EN PT2 PROBE TO GENERAL CARD CONNECTION 1 PCB 2 PT2 wiring connection 1 Water inlet 2 Heating element 3 Cylindrical outer body 4 PT2 probe 5 Safety thermostat 6 Inn...

Страница 91: ...Sterilizers Bravo G4 TECHNICAL MANUAL EN TECHNICAL SHEETS 89 1 Steam generator complete with heat insulation...

Страница 92: ...s EV2 NC connected to the MANIFOLD filter controls the air at atmospheric pressure flowing into the external circuit of the chamber preventing any negative pressure values that could cause problems fo...

Страница 93: ...ger 4 EV1 inlet steam drainage from upper chamber outlet EV1 outlet chamber levelling air flow from EV5 bacteriological filter 5 Air Inlet 6 EV3 chamber discharge inlet chamber filter 7 EV4 capacitor...

Страница 94: ...erforming any type of operation on internal components turn off the autoclave and disconnect the mains cable Replacing the gearmotor With the door open remove the Benzing ring from the rear side to un...

Страница 95: ...ixing the 2 screws and washers connect the wiring Replacing the door ajar microswitch With the door open disconnect the microswitch connectors note down the position of connections Remove the 2 screws...

Страница 96: ...t with the nut Reconnect the transducer wiring to the main PCB making sure to correctly position the connector Cut the final part of the TEFLON pipe removing the section previously inserted on the fit...

Страница 97: ...the correct position of the 3 wires Loosen the retaining nut of the pressure switch and slide it out of the support Place the new component in the relevant seat on the support locking it with the reta...

Страница 98: ...Sterilizers Bravo G4 TECHNICAL MANUAL 96 TECHNICAL SHEETS EN 1 PCB 2 Pressure transducer...

Страница 99: ...f operation on internal components turn off the autoclave and disconnect the mains cable Replacing PT1 Remove the right side cover and the metal rear cover to gain access to the main PCB and the rear...

Страница 100: ...Sterilizers Bravo G4 TECHNICAL MANUAL 98 TECHNICAL SHEETS EN 1 PT1 PROBE complete with fastening ring nut 2 PT1 actual reading at 130 4 C 266 72 F 1 PCB 2 PT1 wiring connection...

Страница 101: ...inches max value 5 8mm 0 223 inches The value of 5 3mm 0 21 inches which is the same for all the models of autoclave depends on the position of the stainless steel door with respect to the door crossb...

Страница 102: ...The conductivity sensor is located inside the demineralized water tank G4 17 G4 22 G4 28 Conductivity sensor SERVICE OPERATIONS WARNING Before performing any type of operation on internal components t...

Страница 103: ...he steam generator In the brass part inside the vibration pump there is a check valve which prevents any back pressure Vibration pump unit SERVICE OPERATIONS WARNING Before performing any type of oper...

Страница 104: ...in the internal memory The cycle counter is set to 00000 cycle Upon completion of the replacement activity it is required to upload the FW and perform device data recovery ACTIONS PRIOR THE PCB REPLAC...

Страница 105: ...ICAL SHEETS 103 MAIN PCB ref 97668177 REPLACEMENT PROCEDURE Switch OFF the unit Disconnect the power supply cord from the mains Remove the right side cover secured by 9 x screws to gain access to main...

Страница 106: ...correct snap support insertion Secure the PCB by means of the screw left lower corner Connect back all cables Take care to correctly fasten the display cable flat into the slot Install and secure the...

Страница 107: ...he product code specific for each model based on chamber volume power supply Select the correct product code by scrolling through the available options Confirm the chosen code The model reference is s...

Страница 108: ...e the main board FW upload has already been completed Step 2 Connectivity module FW update request Confirm YES to activate the upload A pop up message is displayed while running the cloud FW update pr...

Страница 109: ...tered PT1 CHAMBER TEMPERATURE PROBE VALUE Refer to Chapter 5 SERVICE MENU Action SQ1 to access the Service menu Action SQ3 to access to PT1 probe calibration Action SQ20 to enter the PT1 value The PT1...

Страница 110: ...aintenance activities in charge to User and or Service SCHEDULE ACTIVITY PERFORMED BY DAILY Clean the Door Gasket and the internal part of the door USER WEEKLY Clean external surfaces Clean the steril...

Страница 111: ...ibly the addition of a small amount of neutral detergent Carefully rinse with distilled water taking care not to leave any type of residue in the chamber or on accessories Do not use pointed or sharp...

Страница 112: ...es In case of contact with eyes rinse with plenty of water 8 3 6 ANTI DUST FILTER CLEANING Remove the filter A from the lower part of the autoclave thoroughly rinse it with water and dry it before ref...

Страница 113: ...ce Remove the old gasket from the door simply pulling it out by hands no tools required Clean the door gasket seat to ensure it is debris free Install the new door gasket by pressing it into its seat...

Страница 114: ...r cleaning intervention ALWAYS DISCONNECT power supply Whenever it is not possible to disconnect the power supply from the device or if the external mains switch is distant or not visible to the maint...

Страница 115: ...ve the plates Lift and remove the anti condensation cover Water tanks cleaning Clean and disinfect filters and internal walls only with a disposable wipe cloth soaked in 70 ethyl alcohol Be careful do...

Страница 116: ......

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