SERVICE MANUAL SERVICE MANUAL
Contents
1. 11 13 26 27 Ua 9 10 28 29 8 16 19 26 27 inspection plugs 40 12 14 L JOVE DODOS 16 logie motherboard 39 20 22 23 24 Qe cED EEE 9 power motherboard 34 10 11 19 24 25 power supply cable 8 16 8 19 414 0 19 5 safety thermostat 17 isses sisse seen nena 11 26 27 21 28 29 T temperature probe SI 11 12 14 11 14 22 28 29 9 0 select M M 11 V vacuum pump 41 isses eene enne nnn nnn nnn nna 13 18 26 27 28 29 W waste water recovery tank 11 esses eese nnns 22 28 29 water drain pump 35 nnns 10 24 26 27 28 29 water self charge pump 46 6 18 21 24 26 27 28 29 water self drain 29 6 10 18 21 SERVICE2. 7 22 TOO ETT EE 11 III 11 14 22 28 29 39 temperature 11 12 14 0 JNSDCCHOM DIOS 12 14 ZI Vacuum DUITiDuassieseeroiescusesse taxeicc Ren stu 13 18 26 27 28 29 NC 11 13 26 27 AD EVE DIOD CS 16 46 water self charge 6 18 21 24 26 27 28 29 Reference alphabetical index A KOVO UG E 5 22 air sterilisation filter 15 17 28 29 C CHATIDON 09 EE 5 9 10 11 12 14 17 vieziie de poo oe soa eed cen en 9 10 Chamber Seal IT RE 11 13 16 clean water drain tap 24 28 29 clean water tank 10 9 10 18 28 29 COAT wa ar Aa 22 closing micro switches 36 7 22 OG 9 CUBO SWORN 8 16 IC SERVICE MANUAL Page 4 COMINOX D direct waste drain 30 7 18 dirty water drain Tap be 7 28 29 cR 5 7 9 11 13 16 TTD E 13 17 20
3. e Fit the water self charge pump 46 correctly blocking it on its support The pump to be used for model 18 is fitted on the base while the pump used on model 24 is fitted on the clean water tank 10 e Finally fit the offsets Y and the connecting pipes Mod 18 gi Mod 24 Page 18 SERVICE MANUAL COMINOX Fit the external filling and drain pipes the filling pipe in the terminal portion is custom cut to avoid the sucker effect when on the tank bottom the drain pipe is fitted with a male rapid connecting joint Check the unit and its tightness Check the unit operation and then close and fit back in the unit The printer does not print Some units are not fitted with a printer 26 OPTIONAL therefore check that the unit is fitted with a printer Even though the printer not is available on any model on each model it is possible to set the printer As a consequence programming the printer on a unit which is not fitted with a printer the unit will release the signal PRINTER NOT READY Checking the presence of the printer it is necessary e check that PRINTER 1 programming information refer back to the OPERATING INSTRUCTIONS chapter OPERATION on the menu SETTINGS which allows to program the printer Check the printer door 18 closing as well as the perfect closing of the inter na
4. WS N Page 20 33 SE gt senema COMINOX Water automatic drain does not work A If the water self drain 29 OPTIONAL does not perfectly work it is necessary to follow the hereby described proce dure 03 As not all the models are fitted with an automatic drain check that such a function is available on the existing unit 29 Check the programming information SELF FILL ING 1 on the SETTING menu refer to chapter OPERA TION f configuration A is installed and set from exter nal tank check that there is enough water in the tank If there is enough water by the alarm CHECK SELF FILL ING is not check that the suction pipe is correctly posi tioned up to the tank bottom Check that the tube is not B bent check that the height difference between the autoclave and the tank bottom is no more than 1 meter refer back to CONNECTION chapter INSTALLATION check the water self charge pump 46 operation f e some cases if the water self charge pump 46 is X E dry used for a long time period it can loose some of its IN performance and therefore it does no longer manage to 4 100 prime or charge water within the demanded short time Va N Max ods therefore replace it eL 4 bar e If configuration is installed and se
5. MANUAL COMINOX SIGNALLING Signals and signalling are messages which in the majority of cases ask for a simple correction or control operation by the user Alarms ask for service or informs about the presence of a possible failure When enabled they are displayed on the display followed by a sound running for 30 seconds To reset the signalling or the alarm it is necessary to use one of the access keys 06 and then press the key STOP The COOLING STOP and CHECK WATER QUALITY signals are followed by a sound and do not need any reset through the key STOP Signalling Cause Remedy Cooling Stop It signals that the chamber 09 temperature is not suitable to start the unit up or to keep the cycle running refer back to chapters START UP FOLLOWING STERILISATION CYCLES and VACUUM TEST The unit displays such a signalling in STAND BY or after starting a cycle and the unit is stopped during the pre vacuum phase Generally such a signalling is affecting the unit operation when different operating cycles close to each other are started that is one after the other with no time for the unit chamber to cool down Under such conditions it is simply necessary to let the chamber cool down To speed up cooling it would be advisable to open the unit door 16 otherwise it would take a longer time for the unit to cool down To open the door press the key STOP twice with one of the two key in the socket and wait for a f
6. MANUAL COMINOX Power electronic motherboard The power electronic motherboard 34 is the same on any unit model ON OFF Remote control switch and cut out switch F1 Fuse to protect the power motherboard supply T250 Volts delayed 250 mA F2 Fuse to protect the transformer additional circuit T250 Volts delayed 630 mA F3 Fuse to protect any load T250 Volts delayed 13 5 A CN1 TRIAC connector refer back to the electric wiring as far as the coil driving contactor connection is concerned CN4 Load connector and more precisely A suitable for the EV1 solenoid valve and for the water drain pump 35 EV7 B suitable for the EV2 solenoid valve relating to the water drain EM gt in parallel CT2 contactor reel refer back to the electric wiring C suitable for the drying EV5 solenoid valve D suitable for the door lock opening solenoid valve f E suitable for the water self charge pump 46 configuration A F suitable for the following solenoid valves EV6 and EV3 vacuum pump connected in parallel CN5 Load connector from the logic motherboard 33 and the power motherboard 34 Supply 230 Vac 50 60 Hz COMINOX Power motherboard electric wiring 34 230 Vac 50 60 Hz F2 T 630 mA SERVICE MANUAL Ly IC SERVICE MANUAL Page 26 COMINOX Electric wiring 185 B 24 B E
7. RRE 9 od 5 22 OG AY VOC 9 5 9 10 11 12 14 17 10 clean water tank 9 10 18 28 29 11 waste water recovery esses esee nnns 22 28 29 12 Sael VAVO cate ead TT 21 28 29 13 me Wc PNE 8 16 E E E E E EE 9 10 28 29 15 air sterilisation 17 28 29 E E E E 5 7 9 11 13 16 17 Nen noS a EAEEREN EE 11 26 27 Te P OT OOO e E AE 19 COMCOVCTING serine 9 BO SOT TON 13 17 21 Chan e DO S E A EEE 9 10 24 clean water drain 28 29 25 airty water aral laD ENARE EEEN 7 28 29 LO E E 8 19 29 water self Hen AE 6 10 18 21 30 direct IIIA 7 18 11 13 16 E 8 16 19 26 27 29 MONEO sisari raa EE 20 22 23 24 34 power 10 11 19 24 25 35 water pump esses seen 10 24 26 27 28 29 36 closing micro SWitChes
8. de vice To carry out a pressure control and the temperature ad justing inside the chamber 09 follow the hereby described procedure remove the unit from the furnishing unit if it is a built in unit and remove the covering loosen and remove the inspection plugs 40 on the two ends on the upper portion of the chamber fitin the measuring tool probes checking their tightness and that they are correctly positioned that is check that probes do not touch the chamber wall or the internal coil It is advisable to fit the temperature probe backward at the end of the temperature probe 39 As an alternative it is possible to use wireless probes to be fitted inside the sterilisation chamber and do not ask for any assembly test during an operating cycle and check values It is advisable to carry out such adjusting during a HOLLOW POROUS load cycle at 134 C as pressure during such a cycle reaches the lowest values adjust temperature according to pressure in compliance with the saturated steam curve through the RV3 trimmer refer back to the DIAGRAMS and WIRINGS chap ter logic electronic motherboard Set temperature can be increased turning the trimmer clockwise and can be reduced turning the trimmer counter clockwise A complete trimmer revolution corresponds to about 1 C change As far as the transducer 38 alignment is concerned with the external calibrated tool in case values read by the unit are higher that 60 mbar or lower than
9. example keeping the fluid container higher than the unit It is possible to fill the tank removing the panelling as well as the upward pipes and hoses Open door or door not locked It signals that the door 16 was not correctly closed The signal is released when you try to start a cycle and the handle is not com pletely blocked Under such conditions the unit can not start e Well close the door before starting a cycle up e f the signal can not be stopped even though the door is well closed it means that one of the closing micro switches 36 is not correctly excited or it is bro ken therefore check that the micro switches do not exhibit any loosen clamping nuts the bar is not bent out of its seat or loosen the micro switch contacts are live check with a tester there is no clogging or dirt built up next to the bar micro switch contact connecting cables between the door and the unit are operating and well connected ATTENTION to check which of the two micro switches is generating the signal check if the sound alarm immediately starts when the door is closed it means that the micro switch which is not operating is the micro switch on the bottom inside the unit if the sound alarm only starts after a few seconds with a short delay if com pared to the door closing it means that the micro switch which is not operating is the micro switch inside the door itself It is possible to access the internal micro swit
10. pulse phase pressure did not reached the correct programmed value e Follow the instructions specified in the case of the alarm INSUFFICIENT VACUUM e Check that the total maximum load weight was not overcome and that the materials which the load consists of are compatible with the selected cycle refer back to OPERATING AND SERVICE INSTRUCTIONS chapter OPERATION for example never mix fabrics with solid loads e Check the correct operation of the two fans 42 e Check the unit is correctly ventilated mainly in the case of the built in unit e Check that the vacuum pump 41 is correctly fed and that it correctly works Theoretically a pump failure is detected far before such an alarm during the pre vacuum phase Level probe alarm LEVEL PROBE ALARM Such an alarm indicates that the level probes are not correctly operated For exam ple the maximum level probe detects the present of liquid and the minimum level probes as well as the empty tank probes are to detect the same presence of liquid The alarm is released when a cycle is being started e Empty clean and fill the water tanks The operation is to be carried out when the unit is not being operated e Check the level probes e Check the water quality the correct and demanded conductivity value at 20 lt 15 uS cm An excessively pure water beside being corrosive as it tends to remove salts from minerals can not be detected by the probes More precisely a
11. stop the unit NII A ATTENTION if the water conductivity increases it means that mineral salts 30 JA presence increased too water will NO LONGER be compliant like Check automatic filling CHECK AUTOMATIC FILLING Such a signalling is only present on unit models fitted with water self charge 29 OPTIONAL both fed from the mains or through an external tank Such a signalling is released in STAND BY only when the water self charge was fitted and programmed refer back to OPERATING AND SERVICE INSTRUCTIONS chapter CONNEC TIONS e If the A configuration is set it is necessary to A fill or replace the distilled or demineralised water tank and check that the difference in height between the unit and the external tank accounts for or it is lower than 100 cm ATTENTION The constant pump dry operation affects its operating lasting time and dramatically reduces its operating life e Check that the loading pipe is not bent or clogged e f the problem can not be solve check that the water self charge pump 46 is working N g Max 100 cm If the B configuration is set check the water supply tap is opened and that the water supply pressure is higher than the minimum pressure prescribed by the manufacturer of the installed demineralisation system B In both cases it is necessary to check that all connections are correctly connected that no pipes are not fitted leaking or clogged
12. 11 Solenoid valve EV7 config B TP transducer 38 pressure PR safety pressure switch SV condensation tank PV vacuum pump 41 VC safety valve 12 RC filler 14 VU check valve o 4 5 VUT CAMERA EVI SV CN xe 4 5 XH S PV EN 3 x e RSD IC SERVICE MANUAL COMINOX Hydraulic diagram 24 BHD EV solenoid valves B door blocking coil F air sterilisation filter 15 P1 water drain pump 35 P2 water self charge pump 46 config A Solenoid valve EV7 config B PR safety pressure switch PV vacuum pump 41 RC filler 14 4 5 P XH gt 4 5 T N ee T a clean water drain tap 24 dirty water drain tap 25 direct drain only on model BHD clean water tank 10 waste water recovery tank 11 transducer 38 pressure condensation tank safety valve 12 check valve
13. 80 mbar simply replace the transducer ATTENTION Temperature is to be adjusted a few degree before entering the steri lisation phase f the alarm can not be stopped notwithstanding adjusting its different causes can mainly be Sudden loss or leakage from a valve or a tube failure Broken temperature sensor Broke pressure transducer 38 Failing electronic motherboard Page 14 OVER TEMPERATURE STERILISATION TEMP STER UNDER TEMPERATURE STERILISATION TEMP STER Page 15 IC SERVICE MANUAL COMINOX Lost data alarm Such an alarm signals a data loss from the RAM memory refer back to DIAGRAMS and WIRINGS logic electronic motherboard e One of the main reasons the data loss depends on is the wrong assembly of the RAM or EPROM memories e Check that some pins on the memory is not broken folded or out of its correct seat e A different cause can depend on a power supply rise or on high electromag netic interferences screen or isolate their source if possible Alarm code list Alarm code type TRIAC ALARM OVER TEMPERATURE ALARM HEATING ALARM INSUFFICIENT STEAM INSUFFICIENT WATER LEVEL free WASTE WATER MAXIMUM LEVEL DOOR OPEN OR DOOR NOT LOCKED CHAMBER LEVEL ALARM MANUAL STOP INSUFFICIENT VACUUM FRACTIONED VACUUM ALARM free LEVEL PROBE ALARM PRESSURISATION ALARM OVER TEMPERATURE STERILISATION BAND ALARM UNDE
14. CE MANUAL COMINOX ALARMS Differently from any signal alarm STOP the unit therefore once solved the problem which provoked the alarm and reset the alarm itself pressing the key STOP it is necessary to switch the unit ON once more and the start a new cycle The load in the autoclave during the cycle interrupted by the alarm is to be consid ered NON STERILE Alarm Cause e Remedy Insufficient water level It informs that distilled or demineralised water is missing in the clean water tank 10 When water is missing in the tank the led MIN on the keyboard is switched on thus triggering the alarm e If the alarm is triggered when the cycle is started up fill the tank or the tank used for the water self filling refer back the OPERATING AND SERVICE IN STRUCTIONS chapter SETTING SELF CHARGE and CLEAN WATER TANK The tank filling with no self charge can be enforced as follows Simply loosen and remove the filler 14 cover and fit in the supplied metering funnel 05 only use suit able distilled or demineralised water If a filling is enforced when the unit is on or in STAND BY the MAX and MIN le don the control board allow to check the water level A sound signal lasting for 1 second follows the LED MAX switching on to specify that the tank is full If no sound signal is heard excess water comes out from the filler e The tank filling with an automatic cycle OPTIONAL can be enforced as follows It simply arrives when wat
15. ER QUALITY CHAMBER LEVEL ALARM 11 IC SERVICE MANUAL COMINOX TRIAC alarm ouch an alarm informs about the safety thermostat operation 17 The alarm is displayed on the unit when the circuit on the coils IS NOT closed The following controls and checks are to be enforced in the specified order e Reset the safety thermostat 17 removing its cap and pressing the pin under it The thermostat can only be reset if the boiler cooled down To speed up cooling times open the boiler door which will be blocked The door 16 can only be opened by means of the unlocking tool 37 any service centre is supplied a suitable tool in the special hole on the right under the door The unlocking tool 37 must reach the door opening Lower the door handle with no stress Remove the unlocking tool 37 and completely lower the handle and open the door reset the alarm pressing the key STOP when one of the two keys is fitted in the socket e Check the correct fans 42 operation e Check that the unit is correctly and enough ventilated e Check coils both the internal and the external coil It is simply enough to check their continuity by means of a tester without minding about the power value e Check the TRIAC on the power motherboard 34 Insufficient steam Such an alarm informs that steam or over heated steam is coming out from the chamber 09 The alarm is released during th
16. R TEMPERATURE STERILISATION BAND ALARM PRINTER NOT READY POWER MISSING LOST DATA ALARM SERVICE MANUAL COMINOX CONTROLS OR ADDITIONAL ADJUSTING Empty or not well readable display If no information is displayed on the display and or any displayed information is not well visible mainly check what follows e Check power at the socket level the correct fitting of the power supply cable 03 into the supply socket and its connection to the unit e Check fuses 32 and that the cut out switch 13 is duly pressed in its correct position I If the display is not well readable where the operator stands change the reading position e f after such a change the display is more readable adjust the contract by means of the trimmer RV1 starting from the position it is best to be read refer back to chapter DIAGRAMS and WIRINGS logic electronic motherboard Level probe control The level probes 43 of both tanks are simple metal bars fitted into the unit to be controlled and duly insulated from the unit itself The probe circuit is closed then the unit is filled with fluid It is possible that the presence of algae or clogging lead to an electric continuity between tank metal and level probe bar therefore reading the presence of liquid within the tank when the tank is empty e Therefore if after emptying the tank any alarm or signalling is still on it is necessary to disassemble and accurately cle
17. The If the problem can be solved it possibly means EV7 03 that the solenoid valve EV7 must be replaced 4 IC SERVICE MANUAL COMINOX Waste water maximum level It signals that the waste water recovery tank 11 is full and must be emptied The signal is released at the cycle start up e Empty the tank refer back to OPERATING AND SERVICE INSTRUCTIONS chapter INSTALLATION description TANK SELF DRAIN ATTENTION the liquid temperature can reach 80 C and the liquid can be infected Dispose the liquid according to the regulations in force in each single country e If the direct waste drain 30 is programmed check the correct connection and that the pipe is not bent or clogged e If after emptying the tank the signal is still on check level probe as it could have been dirtied by algae or scales depending on water stagnating in the tank and leading to a false signal refer back to the LEVEL PROBE CHECK the probe and unit grounding as the unit operating depends on the correct grounding connection During long downtimes completely empty the tanks and clean with a cleaning solution 7096 water and 3096 alcohol Such a solution should NOT at all be used to start a cycle therefore rinse before any further operation The waste water recovery tank can be filled without disassembling any unit part simply connecting the dirty water drain tap 25 and loading fluid under a light pressure for
18. The present document belongs to COMINOX It can not be copied or sold to anybody without COMINOX informed approval SERVICE MANUAL COMINOX COMINOX Via G Vigano 7 20048 CARATE BRIANZA Milano Italy Phone 39 0362 91 23 12 Fax 39 0362 90 09 40 SERVICE MANUAL www cominox com e mail carlo torti cominox it AUTOC LAVE Sterilising STERICLAVE 18 24 FOREWORD The present operating instructions ARE NOT integral to the unit The instructions are only to be supplied to qualified and specialised technicians liable to ordinary service and unit repairing Technicians or operators liable for the unit installations are to be authorised in writing by COMINOX Any operator or technician 15 liable to read the operating instructions and strictly comply with its instructions and information as COMINOX is not liable at all for any damage to people or things or to the unit should the operator not comply with the hereby described general operating conditions Such instructions are confidential and the customer is liable not to disclose any information What is more such operating instructions and its annexes can not be changed tampered modified violated copied or sold anybody without COMINOX approval COMINOX INDEX FOREWORD NEN 1 INDE X Sum 2 Reference numerical index nnns 3 Ref
19. V solenoid valves P1 water drain pump 35 B door blocking coil P2 water self charge pump 46 configuration A CT1 power contactor Solenoid valve EV7 configuration B CT2 resistance piloting contactor PR safety pressure switch F anti noise filter PV vacuum pump 41 FU fuses 32 RA drying coil ET fans 42 RI inlet coil cut out switch 0 1 safety thermostat 17 BLACK BLACK BLACK BLUE WHITE BLACK ORANGE O BROWN VIOLET GREY O AZURE O PINK RED MO gt tad IQ __ COMINOX Electric wiring 24BHD EV solenoid valves water drain pump 35 B door blocking coil 2 water self charge pump 46 configuration CT1 power contactor Solenoid valve EV7 configuration B CT2 resistance piloting contactor PR safety pressure switch F anti noise filter PV vacuum pump 41 FU fuses 32 RA drying coil ET fans 42 RI inlet coil cut out switch 0 1 safety thermostat 17 mn ore L1 112 17 T17 y IC SERVICE MANUAL COMINOX Hydraulic wiring 18S B BHD 24 B EV solenoid valves RS1 clean water arain tap 24 B door blocking coil RS2 dirty water drain tap 25 F air sterilisation filter 15 RDS direct drain only on model BHD P1 water drain pump 35 SC clean water tank 10 P2 water self charge pump 46 config A S8 waste water recovery tank
20. Water in the tank after the cycle If at the end of the cycle there is still water inside the chamber 09 4 is necessarv to follow the hereby described procedure Check that the selected cycle includes drying otherwise it is nor mal that there is still some water or moist inside the chamber If the material is not wrapped and it is removed from the chamber just after sterilisation it will be noted that temperature itself allows to rapidly dry it even when the set cycle does not imply any drying while if materials are remove after a specific amount of time and after a cycle with no drying it will be necessary to dry materials in a different way Therefore if material is not removed immediately after the sterilisation cycle it is necessary to set a cycle includ ing drying Check the cleaning and correct positioning of the drain filter 20 refer back to the OPERATING INSTRUCTIONS chapter SERVICING Check once more the unit bending refer back to the OPERATING INSTRUCTIONS chapter INSTALLATION Poor drying If at the end of the cycle drying is not satisfactory e Check that the sterilisation cycle including dry ing was selected and that the selected cycle is correct for the specific material to be sterilised refer back to the OPERATING INSTRUCTIONS chapter OPERATION e Check that the total maximum load is not over come e Check that correct load preparation e Check the cleaning and correct drain filte
21. an the probes following the hereby described procedure Remove the panelling and the faston A on the probe faston Loosen by means of a wrench ch 13 the probe holder B and remove the probe bar remove the ogive C in teflon generally such an ogive changes its shape to pro vide for the correct tightness with the probe holder pressure therefore it easily takes the shape of the threaded seat To remove the ogive unscrew the ogive with a screwdriver which is then to be replaced accurately clean any probe part C and the bar and fit back the assembly once more Door adjusting e f after checking and cleaning the chamber seal 31 and the door 16 disk it is fitted on any leakage or loss is reported it is necessary to adjust the door closing as follows switch the unit off and wait for its cooling then open the door by means of a wrench ch5 unscrew the screw inside the hole on the left side of the door When the screw is loosen the door disk freely rotates turn the disk counter clockwise for about of a revolution tighten the hexagonal screw ch6 fixing it when closing the door a higher resistance is to be felt try a new cycle and possibly repeat the operation ATTENTION do not excessively unscrew the door disk as an excessive pressure could lead to a seal shape deformation Page 16 QN __ 9 COMINOX
22. bits rounded corners on one single side More precisely in the case of the vacuum pump 41 B it is necessary to check what follows e Remove the pump attentively checking the part position e Check that the membranes C small valves D or OR rings are not damaged and clean them or if nothing can be done replace them e Membrane C is to be fitted to the pump piston turning it clockwise To avoid any movement it is advisable to use a braking liquid or paste e When assembling everything back pay attention to the correct part direc tion as a wrong direction will lead to a wrong operation Outlet F is to be fitted after screwing membrane C but it is necessary to slide the membrane C lips above the ring inside the outlet by means of a screwdriver ATTENTION if the pump is to be replaced remove the rubber plugs E Water self drain and direct drain KIT OPTIONAL Such a KIT is to be fitted after installing the unit and it includes both the water self drain 29 and direct waste drain 30 Parts are the same on both models with the exception of the tube length and their positioning e Remove the unit from its packaging position on the correct side and remove the cover e Remove plugs T on the unit lower portion right side e Assemble the plastic joint on the bigger hole which is used as a drain e Assemble joints and rubber holder on the smaller hole to be used for the water self drain 29 direct the external rubber holder to the drain
23. by means of the 4 screws which had been previously removed and fit the flange R back The group is not perfectly tight and therefore it is necessary to manually align it at a specific distance from the right wall where there is the motor as the central motor shaft MUST NOT touch the side walls Fit the printer motherboard on the unit where to fit the printer There are 4 available fitting holes but only 2 will be used the 2 diagonally opposing holes according to the unit model The printer power board G to be correctly fitted it is to be directed with all its parts inside the unit The two available connectors the 2 PIN connector is to be fitted to the upper portion and the 4 PIN connector to the lower portion On the 2 PIN connector connect the connector T of the pre assembled cable on the unit cabling Generally connector T on the unit is isolated with rubber or tape which is to be remove Fit back the control panel with all the pre assembled parts on the unit tightening by means of the 3 previously removed screws Fit the power board 34 back in its correct position and tighten the fitting screws Connect the printer power cable to the printer feeder board Connect the printer internal cable connector L to the CN7 connector to the logic motherboard 33 Check the operation and close finally restart the unit 7 T QC Y
24. ch by removing the unit from any furnishing unit as well as it covering It is possible to access the door micro switch as follows remove the 4 bolts external to the door 16 disk remove the handle remove the plastic part check that the stud on the reel head correctly pushes and presses the micro switch bar and it is not misaligned WASTE WATER MAXIMUM LEVEL 16 11 10 OPEN DOOR OR DOOR NOT LOCKED IC SERVICE MANUAL COMINOX Manual stop alarm It signals that during the cycle start up the STOP key was pressed before the natu ral cycle conclusion The signal is released during operation and the unit is stopped to inform the user that the load is NOT STERILE e As it is not a failure but a forced cycle stop released by the operator NO specific intervention is required It is necessary to consider the load NON STERILE and re start a new sterilisation cycle ATTENTION It is always not advisable to manually STOP the unit if not absolutely necessary In fact if the unit already concluded the pressurisation or the fractioned vacuum phase the internal material can be wet or extremely wet and therefore it could be difficult for the unit to re start the cycle Therefore dry well the materials and replace the envelopes Power missing It signals that during a cycle the unit was cut from the main power supply The signal is released when the power supp
25. ck to the Figure The installation is to be carried out when the unit is not being operated Its wrong assembly can lead to the total date loss refer back to the loss data alarm CN1 Connection cable to the display CN2 CN3 Connection cable to the keyboard CN5 Connection cable to the power supplier CN6 Connection cable to the pressure transducer 38 CN7 Connection cable to the printer OPTIONAL CN8 Connection cable to the serial interface CN9 Connection cable to the level probes A Alarm level of the clean water thank 10 alarm empty B Minimum level LED min switches on C Maximum level LED max switched on D Maximum level of the waste water recovery tank 11 E Chamber level CN10 Connection cable to the access keys 06 CN11 Connection cable to the closing micro switches 36 M1 Connection terminals to the chamber temperature probe PT 1000 RV3 Temperature adjusting trimmer refer back to charter Sterilisation temperature band RV1 Display adjusting trimmer refer back to charter EMPTY DISPLAY or DISPLAY NOT WELL READABLE IC SERVICE MANUAL COMINOX Logic motherboard electric wiring 33 imo o0 oo ou CN7 25 lib GND lt B CN10 CN11 025 C PORT 1 e D PORT 2 CHIAVE 1 UU e CHIAVE 2 U IC SERVICE
26. e Remove the control panel completely loosening the 2 upper screws and the lower screw possibly mark down their correct position refer to diagram e Remove the flange putting the 4 fitting screws aside as they will be later used to fit the printer support e Separately pre assemble the unit remove the spacer S on the printer support H fitting it on the threaded portion by means of the supplied nut fit the printer support H on the printer itself through 3 screws pressure fit the printer board F on the spacer S in the central spacer hole Direct the board with all its parts to the printer as to immediately fit the demanded cabling of the upper flop and the connector coming out from the printer fit the printer internal cable connector L on the board the connecter on the opposite side is to be fitted to the logic motherboard fit the printer feeing cable on the board M with cables directed as specified frontally facing the terminal clamp in 3 positions the correct sequence from left to Page 19 SERVICE MANUAL COMINOX right must be 1 black cable 2 red cable 3 bridge with clamp 2 The connector on the opposite side is to be fitted to the printer power board Fit the pre assembled group on the control panel P To correctly fit the group on its seat it is necessary to open the printer and fit it in the upper portion where the seat is wider Fit
27. e cycle when at 114 the unit does not reach a suitable pressure to enforce a cycle Pressure is detected by the transducer 38 while temperature by the temperature probe 39 e Check the efficiency and cleaning of the chamber seal 31 as well as the door 16 internal disk the seal is fitted to Possibly if damaged replace it Should steam leak be detected it is necessary to adjust the door closing following what specified in chapter ADJUSTING DOOR e Check once more the unit bending refer back to OPERATING INSTRUCTIONS chapter IN STALLATION e Check that the unit total weight is not over come refer back to OPERATING INSTRUCTIONS chamber OPERATION e If the alarm is still on notwithstanding the above mentioned checks it is necessary to check the drain solenoid valve EV2 refer to the diagrams Being connected under the drain it is connected to the filter inside the chamber and it is the first sole noid valve to come in contact with steam therefore itis the solenoid valve asking for the more consist ent service and to be replaced in time INSUFFICIENT STEAM IC SERVICE MANUAL COMINOX Replace it when overcoming the fixed schedule on the PROGRAMMED SERVICE TABLE refer back to the OPERATING and SERVICE INSTRUCTIONS chapter SERVICE Any possible cleaning is to be enforced as follows remove the solenoid valve minding the specific part sequence to re assemble it wh
28. e grounding cable be failing e Under extreme conditions when a special cycle was launched with 3 fractioned vacuum peaks and with a rather heavy porous load the minimum fore cast level could be no longer enough Try to reduce the load or simply use 2 fractioned vacuum peaks e Another cause which can generate a similar alarm can depend on the elec tronic board In the case of failure replace the board Page 9 INSUFFICIENT WATER LEVEL SERVICE MANUAL COMINOX Poor water quality Such an alarm is present only on unit where a water demineralisation unit is fitted OPTIONAL Under such conditions the unit is fitted with a conductivity meter of the water coming from the demineralisation unit Under such conditions the unit signals that the water conductivity level overcame an acceptable level and stops the automatic filling The alarm is released when the cycle is started refer back to the OPERATING AND SERVICE INSTRUCTIONS chapter SIGNALLING CHECK WATER QUAL ITY only when the demineralisation unit is fitted and the water self drain 29 cycle as programmed in the B configuration to the water main supply system refer back to the OPERATING AND SERVICE INSTRUCTIONS chapter CONNEC TIONS and set on the control panel SELF FILLING 1 It signals that the water conductivity value filled through the external deminerali sation unit is NO LONGER acceptable Before suc
29. elici m E E 16 Water in the tank after the cycle 17 PU 17 Pressure increasing too slowly essere 17 VAC OATS U yo ER 18 Water self drain and direct drain KIT OPTIONAL 18 The printer does not print sees esses 19 Printer KIT OPTIONAL 19 Water automatic drain does not work 21 Steam loss from the safety 21 DIAGRAMS AND WIRINGS dep 22 Logic electronic motherboard 22 Logic motherboard electric wiring 33 23 Power electronic motherboard 24 Power motherboard electric wiring 25 Electric wiring 18S B BHD 245 26 WINING 2ZABAD sce oet sa aa EOE Lag uad ata 27 Hydraulic wiring 185 B BHD 24 28 Hydraulic diagram 24 BHD esses 29 SERVICE MANUAL Page 2 IC SERVICE MANUAL Page 3 COMINOX Reference numerical index 03 power SUPPI CADIE T 8 16 03 MENNO TUNDO sensein Ea EAE Ea E ER
30. en required A clean the valve core B as to allow the tight seal to correctly slide inside pushed by the small spring C Should the seal be deformed replaced it In the case the steam is still leaking put the unit under pressure and empirically check the specific part where the leaking comes from as follows once check the unit door perfectly close it remove the unit cover excite by means of the external power supply cable at 220 Volt the solenoid valve reel EV2 refer back to the wiring as it is normally opened NA remove one of the inspection plugs 40 and fit to the compressor min 2 bar max 3 bar let compressed air in and empirically check the leaking and loss e Check the pressure temperature alignment refer back to STERILISATION TEMPERATURE BAND e Carry out a VACUUM TEST to check the presence of possible pressure losses Pressurisation alarm Such an alarm informs only about a small steam loss which can be solve enforcing one of the remedy described in the case of INSUFFICIENT STEAM e f the alarm can not be solved it could depend on a failure of the heating circuit Check that during pressurisation or fractioned vacuum phases the chamber internal coil is correctly fed through the contact N A ce CT2 refer to diagrams Over temperature alarm The alarm informs that temperature inside the chamber 09 overcame 150 C The alarm is released during the cycle when temperature reached 150 C e Chec
31. er is missing It is necessary to check that there is enough water in the external filling tank Should water be missing on the display the signal CHECK SELF CHARGE will be displayed and therefore follow instructions referring to the signalling itself e If the alarm was displayed during the cycle fill the tank and move for ward according to the instructions given in the case of INSUFFICIENT STEAM ATTENTION the unit doses water in the boiler to generate steam through a pump until water touches the chamber probe 21 f during filling water is not enough it means that water or steam is coming out from the valves from the chamber or from the pipes Under such conditions water leaks and builds up under the unit Should no cause be detected it is necessary to check the chamber probe as possi bly it does no longer read the water level inside the chamber To check the probe correct operation it is necessary to open the door 16 and remove the entire chamber 09 load to remove the tray holder 08 to remove the coil covering grid 19 loosening the relating screw reassemble follow the reversed order that is horizontally turn the grid with its seal switch the unit in STAND BY press at the keys STOP and e at the same time as to manually start the loading pump which should be stopped within a few seconds that is when the demanded water is let in and touches the probe The probe could be dirty or the power supply cable or th
32. erence alphabetical index 3 LICENCE 5 T RET Rm 5 Check water quality 6 Check automatic filling sese 6 Waste water maximum level esses nnns 7 Open door door not locked 7 Manual stop RR 8 FOW 8 Printer not o m 8 9 Insufficient water level 9 OOF watr QUAINY 10 Chamber level 10 2 11 Insufficient 11 12 Over temperature alarm aan 12 Insufficient vacuum alarm 13 Fractioned vacuum alarm isses sees eene nna nnns 13 Level probe alarm 13 Over temperature sterilisation temperature band 14 Under temperature sterilisation temperature band 14 LOST 15 15 CONTROLS OR ADDITIONAL ADJUSTING 16 Empty or not well readable 16 Level probe 16 Blore
33. ew seconds until pressure inside the chamber decreases as to allow the unit door to be opened When the door is closed the operating cycle will be automatically repeated when the admitted temperature is reached Once opened the door it is necessary to recover the operating cycle and start the cycle once more Page 5 COOLING STOP IC SERVICE MANUAL COMINOX Check water quality CHECK WATER QUALITY Such a signalling is only present on any model fitted with a water demineralisation unit OPTIONAL Under such conditions the unit is fitted with a conductivity meter on water coming from the demineralisation system Such a signalling is released during STAND BY only when the unit is fitted with the optional demineralisation unit and the water self drain 29 is programmed in the B configuration from the water system refer to the OPERATING AND SERVICE INSTRUCTIONS chapter CONNECTIONS and set on the switchboard SELF FILLING 1 It signals that the water conductivity value MA inlet through the demineralisation external unit overcame the optimum level but 2 it is still acceptable U A Min 3 bar or more operating cycles be started on the autoclave but it is advisable N Max to follow instructions in the INSUFFICIENT WATER QUALITY alarm as the triggering 4 bar of second alarm will
34. h an alarm the message CHECK WATER QUALITY was already displayed on the display e Change the self filling cartridge used for the demineralisation of water from the mains water supply in compliance with the manufacturer s instructions It is ad visable once replaced the cartridges to rinse the clean water tank 10 e Should it not be possible to start the unit once replaced the cartridge in the water demineralisation unit it is possible to re start the unit changing the SELF FILL ING programming to 1 and manually filling the tank through the filler 14 Under such conditions water is not controlled and therefore check its features beforehand 16 Mod 18 09 Chamber level alarm It informs that the necessary time was overcome to recover the correct water level within the chamber 09 Mod 24 The alarm is displayed when the chamber probe 21 does not read within the allocated correct time the presence of water within the chamber e Check once more the machine position refer back to OPERATING AND SERVICE INSTRUCTIONS chapter INSTALLATION e If the problem can not be solved check that The water self charge pump 35 and the solenoid valve EV1 manage to pump water inside the chamber 09 EV1 solenoid valve whose reel could be failing The water drain pump 35 Fuse F3 on the power motherboard 34 What specified in the case of POOR WATER LEVEL Page 10 POOR WAT
35. k that on the temperature probe 39 no cable is disconnected wore or it is failed e Check the correct load positioning which should be correctly fitted on the supports e Check the water dosing in the boiler as in the case of the insufficient water level alarm Page 12 PRESSURISATION ALARM OVER TEMPERATURE ALARM IC SERVICE MANUAL COMINOX Insufficient vacuum alarm INSUFFICIENT VACUUM ALARM The alarm signals that during the pre vacuum phase pressure did not reach the correct set value The alarm is displayed during a cycle in the pre vacuum phase when pres sure did not reached the correct programmed value e Check the efficiency and cleaning of the chamber seal 31 and on the door 16 internal disk which It is fitted against and possibly if damaged replace it e Check the vacuum pump 41 refer to CHECKS AND ADDITIONAL ADJUSTING Vacuum Pump e Check the correct positioning of the drain filter 20 and its cleaning e Carry out a VACUUM TEST to check the possi ble presence of air leak e Check the correct operation of the two fans 42 e Check that the unit is correctly ventilated and ventilated enough Fractioned vacuum alarm FRACTIONED VACUUM ALARM The alarm signals that depression is missing inside the chamber 09 The alarm is released during the cycle during a vacuum peak in the vacuum
36. l door holding the paper roll Check that there is enough paper and that the paper roll is correctly fitted ATTENTION Never pull paper to slide or to allow it come out as possibly the inter nal door will be opened or paper will be removed and the roll turned out of position To have paper coming out from the door in STAND BY press the arrow key 7 on the control board When pressing the arrow key paper is moved out from the door e Check fuses 32 and fuse F3 on the power motherboard 34 as well as con nections more precisely the flat between the motherboard and the printer refer back to chapter OPTIONAL PRINTER INSTALLATION e Check by means of a tester that at the printer motherboard entrance there is enough power supply 230 Volts as well as its outlet 12 Volts Printer KIT OPTIONAL As far as the printer 26 assembly is concerned OPTIONAL the printer is only to be fit after buying the unit A KIT is supplied It is possible to fit all the different unit parts following the hereby described procedure ATTENTION as the procedure is not tight please when not following it comply with the correct sequence and the part removal as to recover the correct unit operating conditions e Remove the unit from any furnishing unit and place on a consistent surface remove its cover e Loosen the two screws fitting the power motherboard 34 and move it to the side without removing any cabling as to access the control panel screws P
37. ly is recovered On the display when the unit is connected to the power supply the message relating to the missing voltage is displayed Should the unit be cut from the main power supply when the alarms are on the last alarm will be displayed on the display e According to the signal displayed on the display it is possible to come to the conclusion whether the unit despite power missing entirely or partially came to the end of the sterilisation cycle Power can be missing for the following reasons pressure error at the cut out switch 13 level power is entirely missing from the power supply or a magneto thermal fuse is bro ken the power supply cable 03 is not correctly fitted or the cable is damaged power fuses 32 are broken or oxidized Printer not ready It signals that paper is missing or that the printer door was not correctly closed A signal is release on a cycle starting when the printer 26 OPTIONAL is in stalled and set e Recover the correct operating conditions refer to back to OPERATING AND SERVICE INSTRUCTIONS to the chapter PRINTER If the signal is still on check that the printer door is perfectly closed that the power supply cable are duly connected to the printer ATTENTION for a more technical and detailed explanation refer to chapter PRINTER INSTALLATION OPTIONAL MANUAL STOP ALARM POWER MISSING PRINTER NOT READY SERVI
38. r 20 positioning e Check the air sterilisation filter 15 as described in the charter PRESSURE INCREASING TOO SLOWLY e Check once more the unit bending refer back to the OPERATING INSTRUCTIONS chapter INSTALLA TION e Check that the valve EV5 refer back to the wir ing opens during drying Such a valve is normally closed it allows to let heated air picks in during drying Pressure increasing too slowly If the pressure at the end of the cycle increases too slowly it is necessary e check the air sterilising filter 15 and possibly replace it Remind that such a filter as many other parts lasts only for a specific time period refer back to the OPERATING INSTRUCTIONS chapter SCHEDULE SERVICING It is NOT possi ble to carry out any sterilisation cycle when the filter is not fit in or when the filter is damaged or holed Under such conditions sterilisation is contaminated with environ mental air IC SERVICE MANUAL COMINOX Vacuum Pump The vacuum pump can be checked by simply cleaning it or replacing its seals sup plied in kit More precisely in the case of the vacuum pump 41 A it is necessary to check what follows e Remove the pump attentively checking the part position e Check that the membranes A are not damaged and clean them e Check the valve blades B and when assembling them back check their positioning and direction as blades are in harmonic steel slightly bent and the plate exhi
39. t from the mains ll C water supply check that the mains water tap is opened If 30 JA the tap is opened and the alarm CHECK SELF FILLING is lie on check that there is enough water downstream the as sembled demineralisation system check the EV7 solenoid valve at its inlet Check fuse on the power electronic motherboard Such a fuse protects any load and possibly replace it Steam loss from the safety valve A steam loss from the safety valve 12 can depend on what follows f the autoclave was installed in a specific place where altitude is higher than 1500 meters on the sea level a suitable safety valve is to be fitted refer back to the OPERATING INSTRUCTIONS chapter FEATURES e f the altitude is lower than 1500 on the sae level and or the problem can not be solved check the valve efficiency and then replace it 12 SERVICE MANUAL COMINOX DIAGRAMS AND WIRINGS Logic electronic motherboard The logic motherboard 33 is a low tension motherboard the same on each unit It is supplied with no memory EPROM and RAM as it is necessary to use the customer memories On the EPROM holding the programme the software issue is speci fied for example 1 17 which is also to be specified in the part specification when it is necessary to be replaced Both memories are to be assembled in compliance with the available set position which defines its specific direction too refer ba
40. void using Bi distilled water IC SERVICE MANUAL COMINOX Over temperature sterilisation temperature band Under temperature sterilisation temperature band Both alarms signal that there is no longer compliance with the sterilisation tempera ture band The sterilisation temperature band tolerance is defined by the regula tions in force prEN 13060 and it implies that during the sterilisation cycle the set value difference for example 134 C accounts between 0 C and 4 Therefore under such conditions temperature will never be lower than 134 C and could never be higher than 138 C The unit displays one of the two alarms during the sterilisation phase when check ing the two temperature values one is directly detected and the other one comes from the saturated steam curve under pressure even when one of the two values is not compliant with the above mentioned tolerance ATTENTION the alarm could depend on the fact the both temperature and pressure values are not correct In any case it acts simply adjusting temperature e f the signalled alarm is the UNDER TEMPERATURE alarm check that the maximum total load weight is not overcame refer back to the OPERATING and SERVICE INSTRUCTIONS chapter OPERATION e Check temperature calibration through the spe cial SIT certified tools duly validated as to compare tem perature values to pressure values detected by the unit probes with values detected by any external tool or
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