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Maquet SERVO-s, Service Manual

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Summary of Contents for SERVO-s

Page 1: ...MAQUET SERVO s Ventilator System Service Manual CRITICAL CARE V r 0 M 5 500 f i...

Page 2: ...Important SERVO s Ventilator System Notes 1 2 Service Manual Revision 01...

Page 3: ...em Contents Contents 1 Important 2 Introduction 3 Description of functions 4 Disassembling and assembling 5 Service procedures 6 Troubleshooting 7 Preventive maintenance 8 Index 9 Diagrams 1 7 Revisio...

Page 4: ...s been done by a non professional or by persons who are not employed by or authorized by MAQUET and when the equipment is used for other than its intended purpose Symbols used in this manual ESD sensi...

Page 5: ...PC 1772 shall be replaced every five years Worn out batteries must be recycled or disposed of properly in accordance with appropriate industrial and environmental standards This product contains elec...

Page 6: ...rol P Other electronics TFT assembly including backlight U Touch screen U 0 2 cell containing Pb I Gas module Air containing multiple PC boards I Gas module 02 containing multiple PC boards I AC DC Co...

Page 7: ...12 500 hours Items 7 Changed approx every 25 000 hours Items 8 11 Changed when needed Power consumption The power consumption depends on the operating mode and whether the internal batteries are being...

Page 8: ...Important SERVO s Ventilator System Notes 1 1 8 Service Manual Revision 01...

Page 9: ...a log book After any installation maintenance or service intervention in the SERVO s perform a Pre use check Refer to the SERVO s Ventilator System User s Manual for details This product contains elec...

Page 10: ...l controls used to set the ventilation and monitoring parameters Ventilation parameters as well as other important information are shown on the User Interface display Patient Unit The Patient Unit con...

Page 11: ...ace panel cover SERVO s User s manual User Interface panel cover Installation Instructions ro 0 Shelf base SERVO s Shelf base SERVO s Installation Instructions Waterbag pole Instructions mounted on th...

Page 12: ...nterface of Type 1 the detector is placed in the upper left corner On User Interface of Type 2 the detector is placed above the Fixed keys in the upper right comer 10 Loudspeaker grid 11 Cable reel 12...

Page 13: ...llowing parts are accessible 1 Touch screen incl frame 2 TFT Display 3 Backlight lamp 4 PC board Backlight inverter 5 PC 1777 Panel including PC Card slot 6 Loudspeaker 7 Main rotary dial rotary encod...

Page 14: ...port for data communication RS 232 7 Alarm output connector optional 8 Connector for external 12V DC power supply 9 Fuse F1 for external 12V DC power supply 10 Mains supply connector incl fuses F11 a...

Page 15: ...02 cell and for the safety valve 5 02 cell Incl bacteria filter 6 PC 1861 Pneumatic back plane covered by the metal plate The gas modules the 02 cell and the safety valve pull magnet are connected to...

Page 16: ...trap PC 1786 Expiratory channel cassette Ultrasonic flowmeter Heating foil to keep a stable temperature in the expiratory gas Pressure transducer connection incl bacteria filter to connect the expirat...

Page 17: ...NLET SI Q BREATHING SW PC178lj PC 1781 PC 1784 Monitoring The Monitoring SW controls all monitoring and alarm functions in the system including trends of measured values trend data not available in SE...

Page 18: ...Introduction SERVO s Ventilator System Notes 2 10 Service Manual Revision 01...

Page 19: ...for details This product contains electronic and electrical components Discard disposable replaced and left over parts in accordance with appropriate industrial and environmental standards 3 Descript...

Page 20: ...1777 Panel Some features included on PC 1777 Panel are SIMM Single In line Memory Module mounted on its connector P77 Memory type SDRAM PC Card Slot intended for connection insert of a PC Card PC Car...

Page 21: ...klight consisting of two separate fluorescent lamps mounted behind the TFT Screen Type 2 with Backlight consists of one fluorescent lamp mounted behind the TFT Screen The TFT Display spare parts is no...

Page 22: ...ement allow the diaphragm to settle during approx 10 minutes before gas pressure is connected to the Gas Module Inspiratory solenoid The gas flow through the Gas Module is regulated by the Inspiratory...

Page 23: ...manual The bacteria filter must also be replaced during the Preventive maintenance1 Safety valve The movable axis of the Safety Valve Pull Magnet controls the opening and closing of the safety valve m...

Page 24: ...a water trap for such water to be collected Expiratory inlet bacteria filter can be connected to protect the cassette from contamination Heating foil An electrical Heating Foil applied on the outside...

Page 25: ...front panel setting Expiratory outlet with expiratory one way valve The gas from the patient system leaves the ventilator via this Expiratory Outlet Backflow via the cassette is prevented by the Expi...

Page 26: ...Flow Ref 2 are used for the control of its respective Gas Module Air and O Regulation of a constant Inspiratory flow during expiration time The desired constant Inspiratory flow value is the default B...

Page 27: ...e system The system is powered from a battery but the battery voltage becomes too low for proper operation of the system In this Off mode only charging of Battery modules is enabled if the system is c...

Page 28: ...or the Battery module is calculated to two and a half year from manufacturing date Normal time for logistics and storage are included in this calculation The calculation corresponds thus to an estimat...

Page 29: ...ndards 4 Disassembling and assembling General 4 2 Preparations 4 2 Handling PC boards 4 2 Replacing PC boards 4 2 Assembling guidelines 4 2 Tightening torque 4 2 Threadlocking adhesives 4 2 User Inter...

Page 30: ...Remove and insert the PC boards very carefully to avoid damage to the connectors Replacing PC boards The SERVO s System SW is distributed on different subsystems located on the following PC boards PC...

Page 31: ...section from the rear cover Disconnect the control cable 1 Remove the screws 2 Lift off the rear cover from the front panel section All parts inside the front panel section are now accessible 4 With...

Page 32: ...Carefully disconnect all cable connectors from PC 1777 Remove the screws 2 holding PC 1777 Lift off PC 1777 Note When replacing PC 1777 Panel it can be necessary to re install the System SW For furthe...

Page 33: ...d Backlight Inverter 4 from the support plate 5 Remove the support plate including PC 1777 Panel 6 and TFT Display 7 from the front panel section Remove the TFT Display from the support plate Discard...

Page 34: ...cklight Inverter Lift off PC board Backlight Inverter 4 a I f t 5 Type 2 To remove the PC board Backlight Inverter 5 Carefully disconnect the cable connector 6 Carefully disconnect the backlight lamp...

Page 35: ...upport plate Lift off the support plate assembly including TFT Display and PC boards 4 Type 2 U 1 A 1 The TFT Display is mounted under the support plate 3 To remove the TFT Display Carefully disconnec...

Page 36: ...in the illustration Type 2 Carefully release the Type 2 cable 8 from PC 1777 as shown in the illustration Units with Replacement kit for PC 1TTTA D Carefully release the cable 10 from the recess on PC...

Page 37: ...wo lamps Always replace both lamps at the same time To access the Backlight lamps Lift off the TFT Display Refer to section TFT Display Remove the screws 1 holding the lamp Lift off the lamp 2 4 1 f t...

Page 38: ...l and the Direct access controls on a new Touch screen incl frame make sure that the knobs are easy to turn L Label strips The Touch screen including frame is delivered with label strips which have to...

Page 39: ...al functions keys label Insert the Special functions keys label strip 7 Check its position through the button windows of the front panel film Adjust if necessary Align the label strip with great care...

Page 40: ...The main cover is now partly open and the inspiratory section is accessible L r To remove the Patient Unit main cover Open the main cover as described above Press the latch 4 and slide off the main co...

Page 41: ...While firmly holding the User Interface 1 loosen the screws 2 Lift off the User Interface 0 t r il Gas modules To remove the gas modules Open the main cover Loosen the two screws holding the locking...

Page 42: ...efully pull out and lift off the concerned PC board PC 1771 Control 1 PC 1772 Monitoring 2 Note When replacing PC 1771 Control or PC 1772 Monitoring it can be necessary to re install the System SW For...

Page 43: ...860 Main back plane To remove PC 1860 Remove the main cover Remove the Battery modules PC 1771 Control PC 1772 Monitoring PC 1863 Power control PC 1862 DC DC Standard connectors Internal fan Disconnec...

Page 44: ...ng indicates the air flow direction When mounting the fan make sure that the cooling air flow is directed into the unit 4 noun 7 7 Inspiratory channel Removal of the inspiratory channel as well as rep...

Page 45: ...s plate Pull out the gas modules to disconnect them from PC 1861 Remove the threaded studs 3 Liftoff PC 1861 4 Note When assembling the mounting plate 2 must be adjusted to correspond with the inspira...

Page 46: ...When assembling make sure that the rubber seal 4 Is correctly seated around PC 1785 4 1 2 8 Expiratory valve coil To remove the expiratory valve coil Remove the side cover Disconnect pressure transdu...

Page 47: ...heck Remaining membrane capacity 1 The operating capacity meter must be reset after replacement of the membrane 5 5 Note If the metal washer has been separated from the membrane it is important that t...

Page 48: ...apacity meter after replacement of the membrane To access the reset button select Menu Biomed Service m Control cable The control cable connectors must be connected carefully to avoid damages on the c...

Page 49: ...rm a Pre use check Refer to the SERVO s Ventilator System User s Manual for details This product contains electronic and electrical components Discard disposable replaced and left over parts in accord...

Page 50: ...s window shows Usable backup time Calculated as the sum of the estimated backup time for the connected Battery modules reduced with 10 minutes as an extra safety feature Slot number Note that slot 1 i...

Page 51: ...PC 1772 Note Do not remove the cable connector 1 Information stored in the PC board memory will be erased if the connector is removed If the battery on PC 1771 is disconnected user default configurat...

Page 52: ...e Biomed functions in System version 3 0 A complete set of flowcharts showing all Keys and Screen touch pad functions can be found in the SERVO s Ventilator System User s Manual appendix User Interfac...

Page 53: ...alarm limit The alarms listed above except Pressure alarm can be permanently silenced in this window Default configuration regarding General and Units cannot be changed in this window Access to the Fi...

Page 54: ...ersion In the SERVO Ventilator System SW Updates are not dependent on the serial number of the ventilator and will not alter the installed SW Options SW Upgrade A SW Upgrade will change the function o...

Page 55: ...Any service or maintenance must be noted in a log book After any installation maintenance or service intervention in the SERVO s perform a Pre use check Refer to the SERVO s Ventilator System User s...

Page 56: ...rrors If the malfunction remains use the troubleshooting guides below as well as the information in chapter Description of functions to locate the faulty part Perform actions step by step and check th...

Page 57: ...t leakage and measure circuit compliance This test does not replace the complete Pre use check Text within brackets refers to the tested subsystem BRE Breathing MON Monitor PAN Panel Test Test descrip...

Page 58: ...lace PC 1772 Monitoring 3 Replace PC 1784 Expiratory channel 4 Replace the gas modules Replace one gas module at a time If that value is outside 630 1080 hPa 1 Replace PC 1772 Monitoring Gas supply pr...

Page 59: ...by the Pre use check If the new cassette was accepted by the Pre use check the fault was located to the cassette To repair the old cassette check that the expiratory valve membrane is clean and correc...

Page 60: ...unted 3 If the Pressure transducer test also fails see below refer to the recommended actions if Pressure transducer test failed If message System volume too small appears 1 Replace the gas modules Re...

Page 61: ...iratory cassette If possible replace the expiratory cassette and check if the new cassette is accepted by the Pre use check If the new cassette was accepted by the Pre use check the fault was located...

Page 62: ...orrectly seated in the inspiratory pipe 2 Replace the safety valve pull magnet 3 Replace PC 1784 Expiratory channel 4 Replace PC 1772 Monitoring 02 cell sensor test Calibrates and checks the 02 cell a...

Page 63: ...cified range 2 Check the expiratory cassette Check that the cassette is correctly seated in the cassette compartment If possible replace the expiratory cassette and check if the new cassette is accept...

Page 64: ...atient circuit Alarm state test Checks that no Technical error alarms are active during the Pre use check MOM Refer to section regarding Technical error alarms for further information External alarm s...

Page 65: ...TOO LOW 1 Check status of external battery if connected 2 Replace PC 1862 DC DC Standard Connectors 3 Replace PC 1863 Power control 4 POWER FAILURE 12 VOLTS TOO HIGH 1 Replace PC 1862 DC DC Standard C...

Page 66: ...ntrol 13 BRE NODEID CONFLICT N A 14 PANEL NODE DISCON 1 Check the control cable 2 Replace PC 1777 Panel 3 Replace PC 1862 DC DC Standard Connectors Note This error indicates communication failure betw...

Page 67: ...nitoring 256 PC 1771 Control 512 784 PC 1777 Panel N A 27 TECH ERR BUZZER FAILURE 1 Replace PC 1772 Monitoring Note If the Patient Unit main cover is removed this error may be activated 28 PANEL AUDIO...

Page 68: ...place the battery modules Always replace both battery modules at the same time 2 Replace PC 1863 Power control 3 Replace PC 1772 Monitoring 44 ALARM LIM XOR ERR 1 Restart the unit 2 Replace PC 1772 Mo...

Page 69: ...e lamps is broken the other lamp will automatically be switched off Thus with a failure on a backlight lamp or likely also on PC board Backlight Inverter the User Interface display will become dark Th...

Page 70: ...he expiratory cassette 2 Replace PC 1784 Expiratory channel 3 Replace PC 1785 Expiratory channel connector If technical alarm Expiration flow meter PC 1784 60 V underrange is present 1 Replace PC 1862...

Page 71: ...a log book After any installation maintenance or service Intervention in the SERVO s perform a Pre use check Refer to the SERVO s Ventilator System User s Manual for details This product contains elec...

Page 72: ...performed For cleaning procedures refer to the SERVO s Ventilator System User s manual In some parts of the Preventive maintenance as described in this chapter access to the Field Service System FSS...

Page 73: ...as modules C Bacteria filter for the inspiratory pressure transducer D Bacteria filter for the O cell Performing the Preventive maintenance Disassembling and assembling of the unit is required when re...

Page 74: ...ure that the filter is correctly seated into the rubber ring Refer to instructions in the SERVO s Ventilator System User s manual chapter Maintenance Note This filter may already be replaced as a part...

Page 75: ...pprox 33 0C 91 0F and with full effect at approx 43 0C 109 0F Note The temperature must not exceed 70 0C 158 0F It is also possible to check the Internal fan by running the unit in a ventilation mode...

Page 76: ...acity is too poor for continued usage In both cases battery replacement information will be shown on the User Interface Select Status Batteries on the User Interface to check battery status For furthe...

Page 77: ...chapter Important Any service or maintenance must be noted in a log book After any installation maintenance or service intervention in the SERVO s perform a Pre use check Refer to the SERVO s Ventila...

Page 78: ...ernal 12 V DC supply 2 6 9 2 F Field service system FSS 5 6 Fixed keys 2 4 Functional check 1 5 Functional main blocks diagram 9 3 Fuse FI 2 6 3 9 Fuse F11 2 6 3 9 Fuse F12 2 6 3 9 G Gas cylinder rest...

Page 79: ...maintenance kit 7 3 Standard connectors 9 2 Standby indicator 2 4 Start Stop Standby ventilation key 2 4 Support Arm 177 2 3 Support plate 4 3 SW Update 5 6 SW Upgrade 5 6 Symbols used In this manual...

Page 80: ...Index SERVO s Ventilator System Notes 8 4 Service Manual Revision 01...

Page 81: ...vice or maintenance must be noted in a log book After any installation maintenance or service intervention in the SERVO s perform a Pre use check Refer to the SERVO s Ventilator System User s Manual f...

Page 82: ..._ OFF_ CONTROL 5 CAN_ PANELH 6 CAN PANELL N26 External 12 V DC supply input 1 12V_ UNREG_ EXT_ DC 2 12V_ UNREG_ EXT_ DC 3 4 GND 5 GND i 6 o o o 6 I oo o o CO CD O i CO 2 3 4 N29 RS232 1 2 GLRDXJSO 3 C...

Page 83: ...HANNEL CONNECTOR D W CHANNI C ONNE EXPIRATORY EXP VALVE ONE WAY VALVE HEATING FO L EXPIRATORY OUTLET JLTRASONIC FLOWMETER A PCI 785 EXP PRESS TUBE EXP 5 VALVE COIL P45 N4 5 i j PRESSURE TRANSDUCERS IN...

Page 84: ...g global provider of equipment and systems that contribute to quality enhancement and cost efficiency within healthcare and life sciences Equipment services and tech nologies are supplied under the br...

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