Siemens Life 300 Service Manual

Servo Ventilator 300/300AService ManualE382 E380E 061 01 03 01AdultPediatricNeonate15511219191 . 130 . 352615 . 02592665 . 121SIEMENS

10 Siemens-Elema AB E382 E380E 061 01 03 01Introduction Servo Ventilator 300/300A1All PC boards in the control section (exceptPC 1617 mentioned above)

398 Siemens-Elema AB E382 E380E 061 01 03 01Disassembling and assembling Servo Ventilator 300/300ADisassembling the pneumaticsectionInspiratory valves

3Servo Ventilator 300/300A Disassembling and assemblingE382 E380E 061 01 03 01 Siemens-Elema AB 99Cover plate• Remove the inspiratory valves for AIR a

3100 Siemens-Elema AB E382 E380E 061 01 03 01Disassembling and assembling Servo Ventilator 300/300APneumatic interconnection boardPC 1607• Separate th

3Servo Ventilator 300/300A Disassembling and assemblingE382 E380E 061 01 03 01 Siemens-Elema AB 101Assembling the pneumaticsectionThe procedure for as

3102 Siemens-Elema AB E382 E380E 061 01 03 01Disassembling and assembling Servo Ventilator 300/300ARemoving the inter-connection cablePatient unit con

4Servo Ventilator 300/300A Service proceduresE382 E380E 061 01 03 01 Siemens-Elema AB 1034. Service proceduresSelecting the language andbarometric pre

4104 Siemens-Elema AB E382 E380E 061 01 03 01Service procedures Servo Ventilator 300/300ASelecting the language andbarometric pressure unitThe followi

4Servo Ventilator 300/300A Service proceduresE382 E380E 061 01 03 01 Siemens-Elema AB 105Selecting the address codeThe ventilators address code is sel

4106 Siemens-Elema AB E382 E380E 061 01 03 01Service procedures Servo Ventilator 300/300AReplacing the fusesFuses F1, F2, F3 and F4Fuses F1 – F4 are m

4Servo Ventilator 300/300A Service proceduresE382 E380E 061 01 03 01 Siemens-Elema AB 107Replacing the internalbatteryNormal service interval for exch

Servo Ventilator 300/300A IntroductionE382 E380E 061 01 03 01 Siemens-Elema AB 111When the pneumatic section casing and thecover plate is removed, the

4108 Siemens-Elema AB E382 E380E 061 01 03 01Service procedures Servo Ventilator 300/300AResetting the trend datamemory and real time clockThe trend d

5Servo Ventilator 300/300A TroubleshootingE382 E380E 061 01 03 01 Siemens-Elema AB 1095. TroubleshootingTroubleshooting table ...

5110 Siemens-Elema AB E382 E380E 061 01 03 01Troubleshooting Servo Ventilator 300/300ABefore starting troubleshooting, try toeliminate all possibiliti

5Servo Ventilator 300/300A TroubleshootingE382 E380E 061 01 03 01 Siemens-Elema AB 1111 Multiple monitoring and uP errors can be an indication of powe

5112 Siemens-Elema AB E382 E380E 061 01 03 01Troubleshooting Servo Ventilator 300/300ANotes

6Servo Ventilator 300/300A Product change historyE382 E380E 061 01 03 01 Siemens-Elema AB 1136. Product change historyPROM, PC board andOperating Manu

6114 Siemens-Elema AB E382 E380E 061 01 03 01Product change history Servo Ventilator 300/300APROM, PC board andOperating Manual versionsDue to upgrade

7Servo Ventilator 300/300A IndexE382 E380E 061 01 03 01 Siemens-Elema AB 115IntroductionDescription of functionsDisassembling and assemblingService pr

7116 Siemens-Elema AB E382 E380E 061 01 03 01Index Servo Ventilator 300/300AIntroductionDescription of functionsDisassembling and assemblingService pr

7Servo Ventilator 300/300A IndexE382 E380E 061 01 03 01 Siemens-Elema AB 117IntroductionDescription of functionsDisassembling and assemblingService pr

12 Siemens-Elema AB E382 E380E 061 01 03 01Introduction Servo Ventilator 300/300A1Basic principles12145 367108911300-F71X2

7118 Siemens-Elema AB E382 E380E 061 01 03 01Index Servo Ventilator 300/300AIntroductionDescription of functionsDisassembling and assemblingService pr

7Servo Ventilator 300/300A IndexE382 E380E 061 01 03 01 Siemens-Elema AB 119IntroductionDescription of functionsDisassembling and assemblingService pr

7120 Siemens-Elema AB E382 E380E 061 01 03 01Index Servo Ventilator 300/300AIntroductionDescription of functionsDisassembling and assemblingService pr

8Servo Ventilator 300/300A DiagramsE382 E380E 061 01 03 01 Siemens-Elema AB 1218. DiagramsExternal battery inlet P67...122Auxiliary

122 Siemens-Elema AB E382 E380E 061 01 03 01Diagrams Servo Ventilator 300/300A8Auxiliary output N779-pole D-sub connector (N77). Mainly usedfor power

8Servo Ventilator 300/300A DiagramsE382 E380E 061 01 03 01 Siemens-Elema AB 123Master/Slave connection N8015 pole D-sub connector (N80). Can be usedf

124 Siemens-Elema AB E382 E380E 061 01 03 01Diagrams Servo Ventilator 300/300A8Analog I/O terminal N8162 pole D-sub connector (N81). Can be usedfor co

8Servo Ventilator 300/300A DiagramsE382 E380E 061 01 03 01 Siemens-Elema AB 125Serial communication portsN82 and N8326 pole D-sub connectors (N82 and

126 Siemens-Elema AB E382 E380E 061 01 03 01Diagrams Servo Ventilator 300/300A8Interconnection cableThe INTERCONNECTION CABLE is the 2.95 m long89 lea

E382 E380E 061 01 03 01 Siemens-Elema AB 127Servo Ventilator 300/300A DiagramsFunctional block diagramLetter codes shown within a circle in the Functi

Servo Ventilator 300/300A IntroductionE382 E380E 061 01 03 01 Siemens-Elema AB 131Gas flow through the patient unitInspiratory flow1. Gas inlet for ai

© Siemens-Elema AB, Electromedical Systems Division, 1992-1997. All rights reserved. No part of this publicationmay be reproduced, stored in a retriev

14 Siemens-Elema AB E382 E380E 061 01 03 01Introduction Servo Ventilator 300/300A1Feedback control system – GeneralAny CONTROLLING SYSTEM may comprise

Servo Ventilator 300/300A IntroductionE382 E380E 061 01 03 01 Siemens-Elema AB 151Inspiratory feedback control systemThe inspiratory feedback control

16 Siemens-Elema AB E382 E380E 061 01 03 01Introduction Servo Ventilator 300/300A1In addition to the main forward path,compensating elements are added

Servo Ventilator 300/300A IntroductionE382 E380E 061 01 03 01 Siemens-Elema AB 171Inspiratory feedback control system (cont'd)•ACTUAL VALUE is th

20 Siemens-Elema AB E382 E380E 061 01 03 01Introduction Servo Ventilator 300/300A1Notes

Servo Ventilator 300/300A IntroductionE382 E380E 061 01 03 01 Siemens-Elema AB 191Expiratory feedback control system17The expiratory feedback control

2 Siemens-Elema AB E382 E380E 061 01 03 01Servo Ventilator 300/300AGeneral Unless stated otherwise, the informationin this Service Manual is valid fo

18 Siemens-Elema AB E382 E380E 061 01 03 02Introduction Servo Ventilator 300/300APrinciple diagramM+5V±15V+24VO2LMVMCMPCTTIMMOMAWXPGH119876543211012T

Servo Ventilator 300/300A IntroductionE382 E380E 061 01 03 01 Siemens-Elema AB 211Inspiratory regulation1. Choice between pressure regulation andflow

20 Siemens-Elema AB E382 E380E 061 01 03 01Introduction Servo Ventilator 300/300A1Notes

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 2122. Description of functionsGeneral...

22 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A2GeneralAs described in chapter Introduction, theServo Ve

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 232Microprocessor modulePC 1588A MICROPROCESSOR MODULE, PC1

24 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A2300-A14XPC 1608MON-PROM V6.0XXX XX XXX E380EVERSIONSV 3

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 252Control unit – Panel sectionThe Panel section consists o

26 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A21.3 Respiratory patternFor control and/or monitoring of

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 2721.5 O2 concentrationFor control and monitoring of O2conc

Servo Ventilator 300/300AE382 E380E 061 01 03 01 Siemens-Elema AB 3• The Servo Ventilator 300/300A must beserviced at regular intervals by speciallytr

28 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A22.3 InputsAnalog multiplexor for input signals to theblo

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 2922.8 Opto switchTime multiplexed driving stage and sensor

30 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A2Control unit – Control sectionThe Control section consis

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 3123.1 Microprocessor CPUincluding COM-PROM functionsThis

32 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A23.7 Serial communication ports26 pole D-sub connectors (

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 3323A Computer interfacedummyThe PC 1665 COMPUTER INTERFACE

34 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A24 MonitoringThis main block consists of the boardPC 1608

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 3524.1.1 Airway pressurePMA: PI = INSP. PRESSURE; signal fr

36 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A24.1.2 O2 concentrationPMA: O2 concentration = Signal gen

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 3724.1.4 Exp. minute volumePMA: Exp. min. vol. = signal fro

4 Siemens-Elema AB E382 E380E 061 01 03 01Servo Ventilator 300/300ANotesNotes

38 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A24.1.6 Gas supplyPMA: Measured gas supply pressuresPAI

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 3924.1.7 BatteryPMA: Measured voltage levels. External

40 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A24.1.8 TechnicalPMA 1: Start up test results. Signals ge

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 412txet”segassemdnasmralA” noitidnocmralA:2AMPeruliafrossec

42 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A2PMA 3: Monitored front panel inputs. Signals from each o

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 432PMA 5: Internal supply voltages. Failure signal from Pow

44 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A2PMA 7: OverrangeErr signal from 7.1 MIXER CPU,indicating

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 4524.2 Inputs interface & A/DMultiplexor and analog to

46 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A24.5.1 Supply voltagePMA = Internal supply voltages.R

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 4724.5.4 Exp. minute volumePMA = Exp. minute volume; Sign

Servo Ventilator 300/300AE382 E380E 061 01 03 01 Siemens-Elema AB 5Contents1.Introduction...

48 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A25 Optional PC board slotNot used in this version.4.6 Bar

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 4926 Reference & TimingThis main block consists of the

50 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A2Pressure regulationFor pressure regulation the signal PR

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 512A calculation is made at the end of inspirationn to achi

52 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A2F is one of two possible functions (6) or (7)stated belo

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 532The change of pressure reference level fromone breath to

54 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A2time and that period is used for this offsetzeroing.Addi

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 552Timing conditions for Start and for Stop ofINSPIRATION v

56 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A2Explanation of Start and Stop conditions;Front panel set

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 572(9) Measured Insp. tidal volume >125% x Preset Insp.

6 Siemens-Elema AB E382 E380E 061 01 03 01Servo Ventilator 300/300ANotesNotes

58 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A2(0) When using Pause time [in Volumecontrol or SIMV (Vol

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 5926.2 Patient triggerThis block determines if a signal INT

60 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A26.3 End inspiration indicatorDuring inspiration time whe

Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 6127 Inspiratory controlThis main block consists of the boa

62 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A2Patient unit – PneumaticsectionThe Pneumatic section con

2Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 638.7 Inspiratory solenoid withposition sensorThe gas flow

64 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A28.10 Pressure amplifierThe PRESSURE AMPLIFIER amplifies

2Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 658.15 Flow calculatorThe flow depending signal from 8.13

66 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A28.22 Current powerConsists of the board PC 1586 CURRENTP

2Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 6710 Inspiratory valve unit –OptionalIf the third valve sl

Servo Ventilator 300/300A IntroductionE382 E380E 061 01 03 01 Siemens-Elema AB 711. IntroductionMain units...

68 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A211 Inspiratory channelThe fresh gas from the INSPIRATORY

2Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 6911.4 Safety valveThe safety valve function depends on it

70 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A212 Inspiratory pressureThe function of this main block i

2Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 7114 Expiratory channelThe expiratory channel conveys thee

72 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A2is situated on the 14.4 EXPIRATORY FLOWAMPLIFIER. The mo

2Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 7315.3 O2 concentration amplifierThis block, the O2 CONCEN

74 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A216 Expiratory valveThe function of this main block is to

2Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 7518.4 Expiratory flow linearizerAnalog linearizing circui

76 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A219 Cooling system19.1 Cooling fanThe COOLING FAN is an a

2Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 77N77N78300-A21XNote regarding the +24 V PO; At each ofthe

8 Siemens-Elema AB E382 E380E 061 01 03 01Introduction Servo Ventilator 300/300A1Main unitsThe Servo Ventilator 300 can be divided intotwo main units:

78 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A221.2 Voltage distributionThe different voltage levels us

2Servo Ventilator 300/300A Description of functionsE382 E380E 061 01 03 01 Siemens-Elema AB 7921.4 Power temperature controlA NTC-resistor on PC 1618

80 Siemens-Elema AB E382 E380E 061 01 03 01Description of functions Servo Ventilator 300/300A222.3 Operating time meterThe operating time meter on the

3Servo Ventilator 300/300A Disassembling and assemblingE382 E380E 061 01 03 01 Siemens-Elema AB 813. Disassembling andassemblingGeneral...

382 Siemens-Elema AB E382 E380E 061 01 03 01Disassembling and assembling Servo Ventilator 300/300APreparationsBefore disassembling or assembling theSe

3Servo Ventilator 300/300A Disassembling and assemblingE382 E380E 061 01 03 01 Siemens-Elema AB 83Handling PC boardsThe PC boards contain components t

384 Siemens-Elema AB E382 E380E 061 01 03 01Disassembling and assembling Servo Ventilator 300/300AMicroprocessor modulePC 1588Each one of the five PC

3Servo Ventilator 300/300A Disassembling and assemblingE382 E380E 061 01 03 01 Siemens-Elema AB 85Exchanging PROMsOn each of the PC-boards PC 1587 and

386 Siemens-Elema AB E382 E380E 061 01 03 01Disassembling and assembling Servo Ventilator 300/300ADisassembling the panelsectionFront panel controls•

3Servo Ventilator 300/300A Disassembling and assemblingE382 E380E 061 01 03 01 Siemens-Elema AB 87Front panel film Separate the panel section from th

Servo Ventilator 300/300A IntroductionE382 E380E 061 01 03 01 Siemens-Elema AB 91Control unitThe control unit consists of the controlsection which is

388 Siemens-Elema AB E382 E380E 061 01 03 01Disassembling and assembling Servo Ventilator 300/300AFront panel controls• Mount the control (1) on the f

3Servo Ventilator 300/300A Disassembling and assemblingE382 E380E 061 01 03 01 Siemens-Elema AB 89There are three spring-loaded controls onthe front p

390 Siemens-Elema AB E382 E380E 061 01 03 01Disassembling and assembling Servo Ventilator 300/300ADisassembling the controlsectionPC boards PC 1587, P

3Servo Ventilator 300/300A Disassembling and assemblingE382 E380E 061 01 03 01 Siemens-Elema AB 91Control interconnection boardPC 1617• Separate the p

392 Siemens-Elema AB E382 E380E 061 01 03 01Disassembling and assembling Servo Ventilator 300/300AAssembling the controlsectionThe procedure for assem

3Servo Ventilator 300/300A Disassembling and assemblingE382 E380E 061 01 03 01 Siemens-Elema AB 93Separating the pneumaticsection from the powersectio

394 Siemens-Elema AB E382 E380E 061 01 03 01Disassembling and assembling Servo Ventilator 300/300ADisassembling the powersectionMains power inlet• Sep

3Servo Ventilator 300/300A Disassembling and assemblingE382 E380E 061 01 03 01 Siemens-Elema AB 95Power supply board PC 1618• Separate the pneumatic s

396 Siemens-Elema AB E382 E380E 061 01 03 01Disassembling and assembling Servo Ventilator 300/300AAssembling the powersectionThe procedure for assembl

3Servo Ventilator 300/300A Disassembling and assemblingE382 E380E 061 01 03 01 Siemens-Elema AB 97Battery pole covers• Make sure that the battery pole