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Sterilizers Bravo G4

- TECHNICAL MANUAL

ERROR/WARNING-ALARM-HAZARD-SYSTEM ERROR

CODE AND

MESSAGE ON THE

DISPLAY

DESCRIPTION

Possible causes /

Checks

Solution

ERROR

OUTPUT (**)

A362

PD PRESSURE

DOWNSTROKE

TIMEOUT

CONTACT TECH.

SERVICE

Vacuum phase 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).

(**)

= OK (warning) - Tap OK on pop-up window.

= OK + door unlock / RESET - Keep OK pressed for 3 seconds on the pop-up window and the autoclave will start

the procedure to open the door in full safety. When the RESET key appears in the left area of the LCD, hold it

pressed for 3 seconds.

Summary of Contents for SciCan BRAVO G4

Page 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...

Page 2: ......

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 116: ......

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