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BREAS 403 Ventilator Service Manual

Contents

1. C31 T 100uF 50V g Z 9 1 4 x VBH2032 1 4 5 8 m dh SR d o 3 045 C21 R17 2 WE 5 m iv BAS21 BYG90 40 1 n L i elle Cte L e T D18 3 lz soos 220 se C153 22 5 b m 9 5 R18 SB gt gt 51 7 teen 75785 El 3 5 4 9 m D2 NS EN S14K300 C147 2 817 05 220uF 1 V y ag 4 I t BZV49 C6V2 So 90 40 8 Ni a m 55 Alu s a lt 033 M 04 gt 0 Bzv49 c6v2 x RA tan SA 2 4 100uF 50V 0 ms C29 n 052 tus2ev 4 1n 400V m 1n 400V 4 12 634 oy 4 n C24 R11 R9 3 4 1 4 11 400 5 5 47k
2. 5 Muxt STYR_MUXZ R30 5V Psu_ 24 IN2 10k Ez vcc H R31 5 els Cara 7 T 100k eno 8 R32 FE MM 3 c86 100k 1 100n 8188 858 28 8 B 8 R67 So Ld ella eT C50 S5 PTCRXE135 R110 CA r 3 10n 3 UB A 015 Am R64 e e 2 52 MTD2 P 6HDL 8 4 27 LM358Y 15 1 2 D20 PTCRXE300 2 027 819 cle T t wa a AI al al 5 5 ais BOWQO4FN 5 9 PE 330UH 3 5 D BOWQO4FN 5 85 100n 270k 2 N e TEM MTD2 P 6HDL 313 Ble R21 R20 D21 o 5 d 812 5 5 5 aia 5 Eu 5 D 2 2 ef x ar gt t MTD2 N 6HDL bi k7 k7 gs 012 5 WQ04FN gt R108 1 R22 MTD2 P 6HDL al
3. RI s 7805 12V 3 5 5V ul T 5 1 5V 3 3 N m N gt 02 E at BE 02 jejejejeje B ga xs sss BC817 48 at BCB17 40 rae 1 WV 1 20 0 4 5V 4 T wi w2 y R2 NTC1 5V FI c6 10k 10k PRES SENSE g x G1 EXTERN ez 3 15A FAST 2 1u 20V 470p no os 4 le 51 Si EXTERNAL DC 5 5007 45V el RT ol 5 050 INT 8 8 8 C4 9 4 E 10n y 5 4 PCB CPU e BCB08 5 5 5 5 5 62 INTERN el 5 y 1 al x ds Eis zr 518 SA3 5 sa a aa a 2 1u 20V 470p TIP42C El 9 T So o Oo o O 3 4 OUT Q5 BCB17 5 5007 amp a 12V 45V 8 c19 S gt 10n R27 P 07 C
4. A STYR_MUX3 017 u18 m INH xt INH 5 AN MUX2 10 B R30 13 45V 45V PSU 10k 15 16 ml x2 vcc R31 255 245 gis EXT BAT 5 x5 Ps 2x6 8 8 n E 1 4951 4951 VM v Y Y 100n n l 2 sits gis PRESS TEMP SENSE R67 j 6 E Tu pu 1k eire net Le alla M 45 eem 529 PTCRXE135 2 5 5 R110 RUE U 25 R 4 3 015 gaa R64 2 MTD2 PQ 6HDL 816 27 D20 52 027 g 2 e y 4 amp H u S z 330uH 5 s 013 SewQesFN PTCRXESOD 8 SOWQU4FN 5 C85 1000 270k 5 3 S S MTD2 P 6HDL Pe 2 218 5 513 021 S5 8S 1839 8 21 R20 a ae 817 ee ellr 1 u SRE 5 MTD20NO6HDL 47 47 8 3 50WQO4FN y Y R108 Y R22 e MTD20PO6HDL x 022 229 47R 100k 50WQO4FN oj U 2 8 J 5 027 028 5 PDTC144ET PDTC144ET 196 22 S 0 EN 1k
5. VM al 2 49 ots c ots a o 5 115 5 5 9 5 858 n5 s s es R52 R55 8 228 228 26 E MTD28PO6HDL amp MTD28P86HDL MTD20PO6HDL gt gt gt 18 4 o 8 4 8 45V U2 A oy 3 U2 C 55 U2 E oy 3 iS 6 5 P 6 wes H 579 4HC14 93 s 4HC14 05 5 4HC14 01418 1 70 PMBF170 PMBF170 100 Q4 017 E MTD2 N 6HDL__ o MTD2 N 6HDL__ o MTD20NO6HDL ES 74HC14 U2 B U2 D 3 4 A 9 5 wre ACH 4HC14 Ne 2 5 4 14 5 o 5 5 PR m s o ll apa 243 li 4 4 C125 R111 4 U3 A 3 R56 i 4 OTP7 5V 10n C126 2 1k gt LM358Y 1 T 5V sits BL IS x 18n C127 C52 1 oma 3113 28 in c128 10 n 8 1 R59 ele cio in c129 20808 R57 y 2 2 100R To In C130 srop g x R48 2 4 lt T 1 10k CN3 1 2 5 lt 4 y Ras CN3 2 CN3 3 2 6 lt 4 CN3 4 R60 Tok 4 4 CN3 5 lt U CN3 6 220R E CN CN2
6. Issue R 1 Doc No 003313 En BREAS MEDICAL 12V 5V U23 C U24 C 4 8 7 14 GND Vcc _ 8119 3 p U2SA fs LM358Y 74HC395 wa nag E 1 gt LM358Y 100R 12V C135 C136 R120 100n 100n 5V R121 os 5 71 CN6 16 T 8 S d 33k s 0808 gt CN6 15 n 0248 wm gt J CN6 8 U24 A 72 lor 2 euo 21 Y 4 5 11 CN6 1 gt CLK aa 1 3 D36 08 gt CN6 2 PWM_KRAFT q CLK QA 2 a LS QD Gers BAS21 STAN R41 acte 14 74HC393 4 8 CN6 13 74 393 041 100R E 14 8 R68 t gt CN6 11 1006 5 71 CN6 12 e N 2 Y gt 8 use gt CN6 5 A 5 S oP 4 27 45V U22 B s lag amp S Babee 1 2 CN6 6 4 2 3 3 SUMMER E E q FX gt CN6 17 5 7 a alla D31 V ES gt J CN6 7 oid ht BEEP q gt CN6 18 Basel R136 D28 5 CN6 9 LOUDSP Jumper settings for use with different 1 0 boards er cle 5 5 6 5 6 5 5 6 6 6 6 5 52 A rev Part no 1905
7. PV 403 Service Manual 4 Alarm board ircuit diagram Electronics 8 16 1 C DS 5 us D7 e ER 5V a U7 ICL7662 5V 7805 lt BC808 a 75 A 1uF 20V 5 your vals UG 4 4 1 1 4 oscH 3 N 1 D10 E ZA eno S e CAP o TEST amp 5 2 ls est BC808 gt 235 8 T gt 5 012 D ar 2 BCE D BV BAS32 TY TT Mcs4t64 V 8 8 22 oot a Lo 10k 7 SERIAL PROG a R39 V 69 0 poses 5V SEE 49 9 3 9
8. 09 BCB08 45V R49 n s BAS32 Ga R2 A I ICL7662 45V BCB08 4 ae ele 1uF 20V 4 3 VOUT v R5 CN4 caps k 1 ur Us gt osc H TESTI 012 BC808 45V NC RES 1 gas 52 85 BAS32 e NC IN 3 TS LS ss 1 5V R1 NC NC GND 8 49 ag a NC GND 8 532 RB 57 051818 lt SERIAL PROG 4 es hu 34164 10k R39 R38 1 015 css BC808 7 5 3 9k 10k BAS32 TY R6 u 014 5V S s 7 2N2 BAS32 7 Sala 888 een E i 8 012 ils 9 939 6 ESLISSULESIS x 5 59538 2 25 8 T 1 1908 RA4 TOCKI a RB3 39 RBS 8 y 2 od RA5 AN5 SS RB2 3 24 IREO RD AN5 RBI Se D2 SWITCH gt RE1 WR ANG RBO INT 36 5 R34 T2 RE2 CS AN7 ut QE VOD 51 6 R10 RQ 13 Les PIC16F877 RD7 PSP7 33 wr BASES 2048 a of 470R 15 08 1 RD6 PSP6 52 o6 E 8 15R 15R lOSC2 CLKOUT RDS PSP5 3 05 9 y 945 R12 R11 02 Y 16 nce Ticki RD4 PSP4 29 04 xU 19 d 27 E RC7 RX DT AN 3 158 158 18 lt fe g 8 R22 e R14 R13 15 21
9. Reference Description Quantity DISTANCE DRM3260x8 2 DISTANCE DSUB 1 LABEL SERIAL NUMBER 1 1 1 2 JUMPER SWITCH 2 C1 7 CAPACITOR 0 1 uF 50 V X7R 7 CNI CONNECTOR DSUB25P MALE PC 1 D1 6 DIODE BZX84C4V7 2 D2 DIODE 1N4148 1 D3 4 DIODE 5 6 15 2 5 DIODE SM6T6V8A 1 J1 2 MALE POST HEADER 1 x 3 POLE ANGLED 2 RELAY 12 V 4KV CUPV10302 1 POTENTIOMETER 500R 1 TURN 1 71 BUZZER QFP03A 1 01 TRANSISTOR 817 40 1 RESISTOR 47R 1 1 12 RESISTOR 2k2 1 1 RESISTOR 47R 1 1 R2 3 1 RESISTOR 100R 1 3 6 7 9 RESISTOR 1k 1 4 R5 8 10 RESISTOR 10k 196 3 FERRIT 4330 030 3630 1 RF2 FERRIT 25p DSUB 1 POLYFUSE 040 1 VR2 POLYFUSE RXE 010 1 8 74 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Doc No 003313 En Electronics 8 18 8 List of components PGC board 4 Reference Description Quantity ABSORBENT ADHESIVE part no 002137 1 LABEL SERIAL NUMBER 1 NIPPLE CN M5 PK3 1 NUT M6M M5 1 1 RUBBER FEED THROUGH 3 SCREW MFXZ 3 x 6 STEEL FZB 3 TUBE 2 5 x 6 BLUE part no 000566 3 CN1 RIBBON CABLE 26 POLE 1 CN1 SOCKET CONNECTOR 2 x 13 POLE 1 F1 FUSE S3 15AL 1 04 HEATSINK 1 Cl 2 8 12 13 CAPACITOR TANTALUM 1 uF 20 V 5 C10 CAPACITOR 0 1 X7R 50 V 1 C14 16
10. m CNB ik R133 1k 0 5V RIZZik 5 a ENCOD2 12V Cot 5 5V Y 100 R128 1k TRYCK_ G2 5V ever A 2 13 1291 z us g U Risa tk E 16 Nec 1311 o J 5 2 3 3 15 55 Y 5 Y a 8 6 4 LS R 32 Tk 80 5V 5V LS v 5 rias 4 15 eno c2 8 v i tS g E i2 R20UT Rain 85 12 RIIN TZ Y 100 Y t Deu meus 5V BAT 8 D46 DS14C232 C35 BE Moror_ 01 i EME BAS21 Y 1000 Er 5V 82954447944 ashes asain x SrNMEUOX lt eesseerrrr bel 20006582424905389555 gm U22 A SSNS EE 1 S RIE EP CRETE ETS m 3 Bp 43 19 70 SDA 1A0 30 4 2 KRAFT i 52 42 N8 SE 58 28 H tr 1 17 72 1 y 1 gt 58 42 16 73 TA41 y 22 ral 74HCe0 Vee REA 55 137 A15 TA TIO AN 56 16 15 5 36 A14 75 TA2I W 3414 cs2 U7 50 57 35 A13 76 22 5V 2 2 2225828 58 34 12 77 23 con TRE E MU em P 2 45 Ag 38 ar 5 6 13 28 6 131 49 20 R47 4 M1 2 M16C6X 83 INT1 9 oEp24 8 4 Ag 28 63 84 INT
11. Issue R 1 Doc No 003313 En BREAS MEDICAL PSU 24 C151 TRI TI PCB SHIELD 400V DC 22uH Q21 CONNECTED TO LI An R7 C11 HM50 220K MTD2 P 6HDL 4n7 400V XY TR2 1 m E ETD34 3F3 1k 0 6 dd I 356412501 220p 400V 5 5 1 3 D15 4n7 400V XY gs 2 amp 3 5 8 S dD FS 8 8 4 Mg wx RI T z Ello e 20 045 8 8 R70 B57236 S200 M 12 PLA10A7720R7D02 e 015 S1 gt 9 3 ne 10 1 wa loa aa 4 7uH d xm 3 oe 3 4k7 220uH x LY LS 21 TIAL HM50 221K 5 BRI oF FL 1 R116 45V SANZ alt 8 T 2 SA T 1k D35 SITE T DF1510S 8 z Is 2 Irn 9 o 5 5 C132 9 T5 8 ELI 59 gt e 80 265V AC B 1n 400V z v LESE 3 4 NET SENSE 6 gt R14 5 9 3 Tl 4 v gt 9 t gt t rh lt Ursa 270R D16 022 BYD37M a 817 40 07 42 nwt SFE R71 VM D43 442N ay 5 1 SM 4004 020 2 Qi 10k OUT gt DI ded B U D42 OM OE 6 E SM 4004 45 8c817 40 ln e 1 25755 12 4 gis 57 u RON 8 P 330uH TI 50 331 sh 8 1 R138
12. 5 6 5 6 Removing and replacing PGC board 5 7 5 7 Removing and replacing the PEEP compressor 5 8 220 Location of BIDS tele EUM DE 5 9 5 9 Removing and replacing the rear panel 5 10 5 10 Removing and replacing the I O board 5 11 5 11 Removing the motor assembly from the lower casing 5 12 5 12 Reassembling and replacing the motor assembly 5 13 6 Motor assembly r sa FREE Aci 6 1 61 Main components of the motor assembly 6 2 6 2 Removing the motor assembly 6 3 6 3 Inspecting and replacing the driving belt 6 3 64 lubricating the ball Sete Gio i 6 3 6 5 Replacing the membranes in the check valves 6 5 631 Equipments iiec decetero are Net eoe cie 6 5 6 5 2 Replacing the check valve membrane under the air channel 6 5 6 5 3 Replacing the check valve membrane in the patient air outlet 6 7 6 6 Testing for leakage from the tubes and bellows 6 8 6 6 1 With open
13. Reference Description Quantity CABLE TIE 150 mm 1 DISTANCE DLCBSTE 7 01 4 JUMPER SWITCH 1 LCD DISPLAY PGI2232 LRS ANN B 1 CN2 MALE POST HEADER 1 x 20 POLE 1 01 5 PLCC44 1 06 IC SOCKET NIT M6M M5 1 BATI BATTERY 4 8 V 70 mAh 1 C1 2 CAPACITOR 15 pF NPO 2 C3 4 7 9 10 11 CAPACITOR 0 1 UF X7R 6 C5 CAPACITOR 10 uF 16 V 1 C6 CAPACITOR TANTALUM uF 20 V 1 C8 CAPACITOR 100 uF 50 V CV AX 1 CNI HEADER CONNECTOR 26 POLE 1 CN3 HEADER CONNECTOR 16 POLE 1 CN4 MALE POST HEADER 1 x 5 POLE 1 023 4 DIODE 585 3 05 14 DIODE BAS32 10 01 3 12 TRANSISTOR BC808 40 11 Q2 TRANSISTOR 817 40 1 R1 8 38 41 43 48 RESISTOR 10k 1 13 R21 28 35 47 RESISTOR 100R 1 10 R29 30 32 40 RESISTOR 2k2 1 4 R31 RESISTOR 10R 1 1 R33 RESISTOR 1k 1 1 R34 RESISTOR 470R 1 1 R36 RESISTOR 220R 1 1 R37 RESISTOR 47R 4 1 R39 RESISTOR 3k9 1 1 R44 RESISTOR 330K 1 R45 RESISTOR 220k 1 1 R46 RESISTOR 33k 196 1 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Electronics Reference Description Quantity R49 RESISTOR 47k 196 1 9 20 RESISTOR 15 1 12 TS2 RESISTOR NTC 15k 1 Ul IC PIC16F877 201 L 1 U2 IC ULN2003 1 U3 4 IC 4051 2 US IIC CL7662CBA 1 U6 IC 7805UC 1 U7 IC MC33164D 3 1 X3 MALE POST HEADER 1 x 2 POLE 1 XTAL 8 MHz 1 003313 Issue R 1 BREAS MEDICAL 8 57 Electro
14. PSU 324 C151 L1 1 ED SHIELD l 400V DC 220 O 021 CONNECT R7 en HM50 220K MTD2 P 6HDL 4n7 400V XY TR2 1 x 5 C152 i 1k 0 6W 220p 400V 5 o 8 gt 11 5 DIS is 5 i 5 5 9 4n7 400V XY ass JF o 8 5 i o 8 5 8 8 5 5 67 8 R1 T z eL 20 045 8 7 R70 s1 57236 5200 12 PLA10A7720R7D02 alls 3 Y E h 10 DAS q 74 8 3 47 220uH x mts 19 BAS21 TIAL HM50 221K BR1 AC Aor S R116 5V LAA e 4 las 2 9 gt 2 P 1k 035 s DF1510S er 8 T C132 8 tes lt 8 5514 9 xa x y 9 je 80 265V 5 5 zz zJ zs zs IRE 5 5 1 400 rn SENSE ST ST 3 R14 el 5 a 9 gt r 270R D16 022 z BYD37M wel i BC817 40 BC807 40 nwt JFS R71 BM 12V 1 SM 4004 a ETE pt OUT 5 FB 2 9 U D42 ON OFF 6 El 8 SM 4004 55 CND BC817 40 The 1 25755 12 L4 el 5 y y E 0 330uH TI 8 Y HM50 331K 4 5 cis t R138 sb E pep ons 18 3 2208 Oc Monteras ej t gt E Y R10 S 39k a 019 2 R144 45V C27 6 680R D19 53
15. o N 2139 2x 59068x By 1 E ui Bw oo 38 MuR N x 3 4 BREAS MEDICAL Doc No 003313 En Issue 1 PV 403 Service Manual Parts location 3 3 Parts drawing 3 Casings panels labels valves filters For definitions of the part numbers refer to the parts list in section 3 6 1943 SG 2002 11332 1922 y a BREAS PV403 B V 2 01 7 2140 1923 BREAS MEDICAL Doc No 003313 En 403 PEEP 403 without SIMV 1905 or 2430 14382 jg 8 5 E Issue R 1 BREAS MEDICAL 3 5 Parts location PV 403 Service Manual 3 4 Parts drawing 4 Motor assembly For definitions of the part numbers refer to the parts list in section 3 6 SG 2000 NN ue y gt 2 5 4021 M uj 2 SL lt 8 5 5 g eo 9 st j 3 1483 e iS lo a E 5 N 8 9 N AN D DR wo o o Le A N e lt A Y _ N N 5 5 N N 00 b x BREAS MEDICAL Doc No 003313 En Issue R 1 Parts location PV 403 Service Manual 3 5 Parts drawing 5 Tubes and connections
16. Electronics Reference Description Quantity R2 RESISTOR 220k 0 6W 1 R22 31 32 44 87 97 RESISTOR 100k 1 7 152 165 R23 36 56 58 67 93 85 RESISTOR 1 26 102 104 106 111 112 114 116 119 126 133 156 166 R24 144 RESISTOR 680R 1 2 R25 61 63 99 101 105 RESISTOR 22k 1 8 158 R26 RESISTOR 33R 1 1 27 28 RESISTOR OR68 1W 2 R29 RESISTOR 4K7 2W 1 R3 5 20 21 39 70 79 RESISTOR 4k7 1 17 80 82 86 90 92 118 125 143 157 R35 RESISTOR ORI 1 RA 19 96 RESISTOR 270k 1 3 R41 59 68 122 123 136 RESISTOR 100R 1 8 159 160 R46 52 53 55 76 77 RESISTOR 22R 1 6 R51 54 75 RESISTOR 330R 3 R6 RESISTOR 5K6 2W 1 60 138 155 RESISTOR 220R 1 3 R64 RESISTOR 27K 196 1 65 113 134 139 RESISTOR 3k3 1 4 R7 RESISTOR 1k 0 6W 1 72 124 135 137 154 RESISTOR 2k2 1 5 R8 115 120 148 150 RESISTOR 6K8 1 5 R81 RESISTOR 10R 1 1 9 13 98 RESISTOR 47k 1 3 R95 RESISTOR 12K 1 1 51 6 FUSE HOLDER 2 52 RXE300 PTC 1 53 PICOFUSE 0 75 1 54 PICOFUSE 0 125 A 1 003313 Issue 1 BREAS MEDICAL 8 71 Electronics PV 403 Service Manual Reference Description Quantity S5 135 1 INDUCTOR PLAA 7 uH 1 TR2 TRANSFORMER ETD34 3F3 1 Ul IC UC 3845D 1 U10 IC CNY17F 3 1 Ull IC DS1302Z 1 U12 IC DS1811 5 1 U13 IC REF02 1 014 NC7S08 1 015 NC7S32 1 016 4514 1
17. ie 2 0 47 C90 68n H D34 R114 1k MAGN VENTI C25 100n C26 100n Y PRESS TEMP SENSE VENT 1 ANT 5V CRE INT C96 C97 1 T cos Hoon toss t cas hoon Ferailroos R145 TL 10k 2 _ pres re NT BAT 4 h 39 h 41 hoon 46 o Xo 12V CN6 20 T 0 OU I UNS C C C C a n z 4 T cag lm n 17 1921120 103100n 1 144 1 Breas Medical Size Number SCHEMATIC A3 PCB CPU CPU 1925 Rev 5d Drawn by LH Simtra Date 090 10 10 Filename CAD0401 SCH Sheet 5 of Issue R 1 Doc No 003313 En BREAS MEDICAL 8 26 Electronics PV 403 Service Manual rev 6E CPU board 5 iagrams 16 4 Circuit di 8
18. Pressure Gauge Card board BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Electronics 8 4 Main cabling diagram PV 403 The diagram below illustrates the main cabling of the PV 403 9 POLE PANDUIT CE100 F24 9 1Anode RED ooo 2 Cathode BLACK 1 4 Emitter Collector WHITE am 2 GP 1103 3 TEST 4 CONNECTOR 5 WHITE 6 0 RED 7 0 BLACK 8 OPB930W51 GREEN 9 5 POLE PANDUIT CE100 F24 5 BOARD BLACK 2 GREY 3 CN7 CN3 PITTMAN 4 MOTOR BLUE 4411E001 WHITE 5 3 POLE PANDUIT CE100 F24 3 RED 6 CN3 ORANGE 7 BROWN 8 ARE A t 2 FROM MOTOR BELLOWS 8 POLE PANDUIT CE100 F24 5 ASSEMBLY REV G PURPLE 1 LCD BLACK 2 CN6 5 GREY 3 5 PITTMAN 4 ens 1 LT MOTOR BLE 4411E001 R3 WHITE MAINS INLET F sET TAL RED D WHITE 6 RED CN1 I ORANGEMHITE 7 25 POLE D SUB FUSE F 3 15 AL ROWN WHITE 8 E E LRED FUSE T5 AL 2 HBLACK 3 INTERNAL BATTERY EXTERNAL BATTERY W
19. Doc 003313 PV 403 Service Manual 3 it diagram no circul CPU board rev 5D Issue R 1 Doc No 003313 En BREAS MEDICAL VM I I I 1 I 1 a 10 e 5 re o x 10 ED BAI OS 8 5 9 l 5 5 5 G G G 676 R52 2 RSS 2 5 228 TES 28 m 2280 mmi MTD2 P 6HDL 6 MTD2 P 6HDL T 10 MTD2 P 6HDL 95 5 3 4 14 AHct4 014 5 PMBF170 5 TS PMBF170 5 TS PMBF170 TS 5V V 04 Y Y Q17 575 MTD20NO6HDL MTD20NO6HDL 1 U2 B U2 D U2 F Ch 5 A I lm 9 Is __13 e 4 16 y 4
20. 11 09 95399 g 95 AX0 Ck4 2 i 74HC00 ns 540258085255255 5 9 96 40 504 RST 22 0 12 NATAAN T gt gt GND Seg00qgqggqggrrrr r lt 8 5 3 11 1 5255889552955 45V 74HC00 R45 ov C133 5V BAT sL 5 bs 4 SLS TP3 9 100n T Res 11114 U22 E s 12 T z 14 Els y A 4 7 vec NEN R78 i 8 REA KU ta 4 R43 i d 7 2 vi 016 as E 1 4 5 R36 2S bs 10R v 32 768kHz 73 22 Ors REALT MISE ToS Uis RS 596 4 E 1k a 8 gt H 3 Title os 051302 ENDS Sila AY a o Breas Medical AB MAX4514 Vout 100n 5 TS LS YA Size Number SCHEMATIC Rev V RS REF02 AS r7d neu CPU 1983 A Drawn by L Hammeltz Date 02 05 15 Filename CAD 4 3_R7D SCH Sheet 2 of 5 8 33 BREAS MEDICAL R 1 Issue Doc No 003313 En PV 403 Service Manual Electronics 3 it diagram no circul CPU board rev 7D
21. 74 TA20 W 28 B1 TAM U 21 628128 R38 ON Led Monteras ej RES 5V BAT 27 ya l DS14C232 R12 12V N9 Q25 R 1 Issue BC817 40 PSU 24_ON SUMMER STYR_EXTBAT STYR_INTBAT STYR_MUX3 SIYR STYR_MUX1 stop 107 AN7 K3 106 AN6 K2 105 5 1 104 AN4 K0 103 AN3 07 07 06 06 05 05 04 04 03 03 02 02 01 01 00 00 81 82 83 84 85 86 87 88 89 90 91 92 93 05 04 03 02 C38 100n pros 61 vc gt 10R C49 5V BAT Y 1997 4 u11 1 8 N2 VI 1 i Lx 2 R36 32 768kHz 2 10 C73 4 RTS 5p6 1k ae 051302 5 100n R37 10k C40 Electronics C39 45 gt 100u 16V 5V R43 CSTCS_MXA C c 10k R13 y 10R C133 100n U22 E GND Vcc Doc No 003313 En BREAS MEDICAL gt 74
22. PSU 24_oN g 98 Monteras ej 5 220 t v LH R10 39k a 2 R144 5V R8 z 4 C27 ON OFF 6 680R 6k8 doty GND D19 s3 c x 1 25765 5 0 15 SM 4004 hs Bie ul 10u 50V gt NON 2 75A 5 9 7 m 1 REF 4 Dis 88 1 o 330uH dE 8 Ke Nes qe 27 Picofuse _3 12 Q9 HM50 331K 3 3 av 7 rane fo 7 fg Ben 8 59 55 sENszc our 19 4 a 5 la 8 Inc Ne I 3 all 5 18 7 8 BC8Q7 40 amp 5 4 RC PGND 4 olle Y n 5 UC 38450 5 Al a V R24 4 oit 1 a 5 E 029 680R MTB6N6GE 5 8 817 40 R23 28 2 1 1 55 910 2 1k 1 CNY17F 3 o lt nis 1 5 amp iv ola o amp ors SIIS sl 5 gj 1 4 5 5 D Ts 2118 2 18 5 5 2 17 ba R158 S 6 5 pi 4 ata amp S 22 EE ZE dk ss al ls 54 54 El qo 4 4 4 4 08 0 125A gt 1 3 o m BAS85 Picofuse S 5 E col 518 815 137 0138 5V Title 55 x Te R142 R141 Breas Medical AB e 1 3 amp 25 2n2Y 212 1 E y Size Number SCHEMATIC Rev 2 TL431CPWR 10k 10k PCB CPU jd 5 CPU 1903 LAN Drawn by L Hammeltz Date 02 05 15 Filename CAD0403 R7D SCH Sheet of 5 8 32 Electronics PV 403 Service Manual 2 t diagram circ
23. 12V CN6 16 nsus LM358Y BAS21 12V R16 Y 8 o D36 BAS21 74HC393 041 U22 B 4 D32 R124 2k2 5V Q23 1k D30 SM6T6VBA Batteri in T gt BAS21 R74 10k R73 10k B e CN4 GUAL BC808 D31 100R CN6 15 CN6 8 R41 CN6 4 CN6 1 CN6 2 100R R68 CN6 3 CN6 13 CN6 14 AN 100R CN6 11 R42 10k R69 10k CN6 12 CN6 5 CN6 6 D37 BZV49 C6V2 gt 5 lt 058 2 49 6 2 C47 tu 2ev BAS21 D33 BAS21 LOUDSP R112 1k ACK CN6 17 R136 D28 EG LA BNO 4 100R BAS85 2 orr TP4 10k 4 R137 hk a20 17 CN6 7 CN6 10 CN6 9 CN6 18 CN6 19 ilm ab Tn shon aloes lec 21 boon tezh 1 1 1 C11 C11 C11 C11 C11 C11 C12 Te toral C123
24. 7 515 EXT BAT wow u VEE ele x 751 100k AX 2 xe 8 R32 oun gt 4x7 z INT BAT 2251 VM c86 100k y Y 100n R67 m x z 5 Sa 6 PRESS TEMP SENSE 22 8 5 878 578 de ol amp V c50 B Le n PTCRXE135 15 R110 mm 1 3 US A U B 47R 1 gt i Q15 s R64 2 _ MTD2 P 6HDL 814 27k nl LM358Y amp T D20 52 027 R19 E rg ly m E gt 28 5 3 013 5 00 5 13 m 33QuH 5 sawaan 5 S 85 100 270k ES N 4 m l MTD20PO6HDL Te o s 2B s R21 R20 021 5 e 10 5 a Y eMe 3 3 q S L qo ERE A 1 1 5 lg 5 MTD2 N 6HDL 47 E R22 923 552 5 WQQ4FN R108 MTD20PO6HDL e laa la 022 278 100k a lt lt el id 50WQ04FN oj U 2 3 2 SE a x 027 028 R106 PDTC144ET PDTC144ET uo ax EN 1k U14 A m amp Q18 6 NC7S08 R143 x BC817 40 Q24 4 ES BC817 40 2 g U R146 u 044 4 24227 2 8 are R139 EATS4 n x BC807 40 3k3 U15 A NC7S32 U R102 4 2 B 3 5 100n T IR i 1 5 E LM393 5 C77 9 sz 2 Ss 5 SAE U zl IS amp g i U4 C E SAX 14 ouo vec 8 a R95 C76 1 i C87 1 393 Loa o
25. ale e T 5 0 15 SM 4004 2113 Bis 10 50 5 ON 8 794 5 5 ges O 54 1 013 88 1 T 33 uH Es 8 2 25 Picofuse 5 3 Q9 LY y HM50 331K 41 3 3 F 4 E 5 2 741 8 22 s 5 42 js 25 58 5 S lo el la Nas 5 a 2 5 Ella 7 BCBQ7 40 a UC 38450 g 8 8 v Vv R24 hh OCT x E Q29 680R MTB6N6QE S N z 8 817 42 R23 2 et R158 4 24 o 2 b 8 CNY17F 3 x 16 57 1 Tl SE 578 ors s 808 8 2 8 amp 15 243 j N N o 5 k 5V BAT 41 578 54 ejN ZLS 25 4 4 4 4 4 08 0 125A SIS M US 4 Picofuse ots pasas s T C137 C138 5V a mm 41 88 Ta E Pays I S 202 Y1 2n2Y1 Y Number SCHEMATIC 5 E TL431CPWR 10k 10k PCB CPU Y CPU 1903 EN Drawn by
26. eene 8 18 8 15 6 Leakage currents with mains power supply at the patient connected part 8 18 SO ela Matin beh Nasica duras 8 19 8 16 1 Circuit diagram Alarm board 4 8 20 ToC 4 BREAS MEDICAL Doc No 003313 En Issue 1 PV 403 Service Manual 10 8 16 2 Circuit diagram Alarm board rev 5 8 21 8 16 3 Circuit diagrams 5 CPU board rev 5D 8 22 8 16 4 Circuit diagrams 5 CPU board rev 8 27 8 16 5 Circuit diagrams 5 CPU board rev 7D 8 32 8 16 6 Circuit diagram I O board rev A art 001905 8 37 8 16 7 Circuit diagram I O board rev 2 art no 002430 8 38 8 16 8 Circuit diagram PGC board 4 8 39 8 16 9 Circuit diagram PGC board rev 6 8 40 8 16 10 Circuit diagram Push button membrane panel 8 41 8 17 Component location drawings 2 00 0 2 204 0 040000000000000000000 8 42 8 17 1 Component location drawing Alarm board rev 4 8 43 8 17 2 Component location drawing Alarm board rev 5
27. 8 11 8 6 6 Input Output board 8 12 8 7 Test points CPU board a 8 13 8 7 1 Test point locations tee tee ETE 8 13 8 7 2 Test point matrix enne enne enne erre 8 13 8 8 X Ventilator switch over operating voltages 8 14 8 8 1 AC power supply operation 8 14 8 8 2 External battery operation 8 14 8 8 3 Internal battery 8 14 8 8 44 Measuring the 8 14 8 9 Checking tbe internal battery 8 15 8 10 Checking the external 8 15 8 11 Replacing the alarm Battery fe et 8 16 8 12 Replacing the Clock battery deat anda 8 17 8 13 Setting the date and 8 17 8 14 Erasing the calendar memory ara ds 8 17 85 Electrical satety precautions u Rer abe des 8 17 8 15 1 Supply voltage iiia t pe e apun deir 8 18 8 15 2 sistere erp boe PEE RERUMS 8 18 8 15 3 A e e d etes 8 18 8 15 4 Leakage currents from the casing a 8 18 8 15 5 Patient leakage currents
28. 2 97 60S1 6Al 5255505 ga CPU 1923 r7 Drawn by L Hammeltz Date 92 05 15 Filename 00403 R7D SCH Sheet 5 of 5 Electronics 8 36 Electronics board rev A art no 001905 ircuit diagram PV 403 Service Manual 8 16 6 C RB R9 10K 1K TA RXE040 R7 ES E 47R 2 R11 oz P1 L 2 HEADER 95 2 100R 2x10 P 2x10 P SAT 508R 9 8 5 5 t 9 ANALOG o R6 ANALOG 0 12 ANiLOG2_N DIGITAL 2 13 Is 1K OUTPUT mies SF 0 15 s EA 16 917 E E V c2 vez 1H TT 20 1 21 z 1uF 1 SI 1 RXEO10 x x lt o x 10 24 N 925 ws OWS 7 un RIBBON CABLE E R4 El 4 7 R5 1 BNC WV etur 1 ALARM a ws LES SHIELD TH 2 8 El at A R12 0 2 2K R10 BC817 40 J2 10K B J1 A ALARM CLOSED RELAY Title BREAS MEDICAL AB B ALA
29. x le xs V cis 168 RE 135 916 Sly carp ETS T 45 5 Le 15 5 R1321 Hee 5V 5V 4 es 49 85 ALARM CHARGER R1OUT RHIN Rx_DSUB 57 C36 C37 a iE TUN TloUT 4 0508 12V He 2 T20UT Y 10ur 6v 05136232 5V BAT RE CN9 nex a 8 4 100n R12 025 m 10k 817 40 n x 8888 U22 A ELA ON LERTO0ER 999620535925555652 5 SL ai 258 2508951886 79 SDA TAS pS 53 142 418 FRS 58 71 TA01 85 eris 41 A17 72 1A10 V 54 40 16 75 74HC00 ELIT 55 187 15 74 TA20 W 55 136 A14 75 TA2I W ON ST 35 A13 76 TA30 _ 34 12 77 mos ESV PRESS _PEEP 1 2 33 11 80 TA40 U MAGN VENT3 E 1 10 3 32 A10 81 TA41 U 61 51 9 U8 82 INTO R47 CN10 4 62 vcc2 M16C6X B3 INTI 64 139 A8 84 INT2 10k 65 552 85 NMI v 69 VCC1 56 126 A6 X IN 1 25 5 551 2 9118 68 124 44 x OUT CSTCS_ C156 C157 C158 C159 5923 55 RESET 10 Teen 71 22 2 86 XC_ OUT 57 1 57 21 1 87 XC IN T 628128 2220 00 CNVSS sua 73 17 015 15 BYTE U22 C SUMMER 75 16 014 14 90 TBO CK3 9 STYR 76 15 013 13 91 TB1 SI3 sm 76 14 012 92 182 S03 o gt sm 77 31 D11 ads 93 DA9 T83 5V U12 sm mure 8 112 010 LLE 94 DA1 TB4 DS1811B
30. 12k 330p U U14 8 T R99 h n T LM358Y 3 5 Cc 5 L ae 22k T C 7 NC7S08 C78 155 5 2705 5 ry USB U15 8 U5 C pin KRAFT Size Number SCHEMATIC 5 8 R98 R97 PCB CPU M CT x ere T20 LH CPU 1903 NC7S Y 47k 100k J Drawn by L Hammeltz Filename CAD 4 3_R7D SCH Sheet Issue R 1 Doc No 003313 En PV 403 Service Manual it diagram no circul CPU board rev 7D
31. 14 R77 1 5 4 14 lt RBS T s 4HC14 R46 8 Eve 2 8 22R 8 228 8 4 228 8 74HC14 a a Y WV NZ t 100n C125 R111 R56 USA g3 T 1 100n C126 sm Mrs lt 2 1k lt k 358Y x 5 ax 100n C127 C52 x 1 5 5 in C128 8 R59 N S wv Yo in 129 gt 5 5 CN2 1 4 9 R57 CN2 2 lt 100R 100K in C130 CN2 3 lt E x R48 x 1 raat CN2 4 lt 4 CN3 1 CN25 fo CN3 2 N26 lt CN2 1 R60 5 CN3 5 CE 10k 955 220R CN3 7 CN2 8 ENcopt R50 CN3 8 cite cm F 57 10k 100n sS sS s amp sls E Title Breas Medical AB ele U3 C 8 8 ToToTo To To 4 8 Size Number SCHEMATIC Rev s PCB CPU 4 2 1919 9 9 9 ond AS CPU 1905 pe J x Drawn by LH Simtra Date 00 12 12 Filename CAD0401 SCH Sheet 3 of 5 Electronics 8 24 Electronics PV 403 Service Manual 4 t diagram no circul CPU board rev 5D
32. 6 Remove the four Torx screws 5 that hold the retainer ring 6 Remove the retainer ring Fig 6 Removing the bearing housing 6 12 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Motor assembly 10 11 12 13 14 15 16 17 From above press the bearing housing 7 out of the moulding Be careful not to damage the two silicon rubber seals 8 and 9 Replace the bearing housing Fit the upper silicon rubber seal inside the lower moulding up against the lip Fit the lower silicon seal to the bearing housing assembly Lubricate the seals with a little soapy water to make the assembly easier From below press the bearing assembly into place Make sure that the black earth wire 10 is fixed between the lower silicon rubber seal and the bearing housing Fit the retainer ring 6 and fasten in it place with the four Torx screws 5 Fit the belt pulley on the shaft 4 Screw on the locking ring 3 and tighten the four Allen screws 2 that hold it in place Screw on the red plastic protection cap 1 Install the ball screw assembly see section 6 7 Fig 6 m Removing the bearing housing from underneath the lower end cover Doc No 003313 En Issue R 1 BREAS MEDICAL 6 13 Motor assembly PV 403 Service Manual 6 14 BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Pressure calibration and firmware upgrade 7 7 1 7 1 1 Pressu
33. it diagram no circul CPU board rev 5D PV 403 Service Manual 8 23 BREAS MEDICAL Issue R 1
34. 022 o o 5 i 47R 100k 74 0 ai 5OWQO4FN Q27 Q28 olle U PDTC144ET PDTC144ET S E a R106 09 1 U14 A NC7S 8 BC817 40 024 1 817 40 1 Em 3 4 4 4 4 U R146 Y 1 sal ln t o 2 10k y ME LIB 1 fs yess 8 5 2 3 5 5 Noto BAT54 amp H R139 916 5 BCB07 40 3k3 PMBF170 U1B A NC7S32 c e I R102 E 100n T T 1 4 3 4 145 57 5V C77 5 ja 5 SAS u LIS j gt 4 4 Leo vec 84 m R95 C87 LM393 1 T il 330 U14 B R99 U 3 5 GND 1 1 LM358Y Title i 7508 C78 6 22k Breas Medical AB U15 B 5 i U5 C U5 B hos Size Number SCHEMATIC Rev GND GND Vee x PCB CPU 5d 67532 LM358Y ra AS CPU 1903 Y 47k 100k Drawn by LH Simtra Date 92 10 10 Filename CAD 401 SCH Sheet 4 of 5 8 25 BREAS MEDICAL Issue R 1 Doc No 003313 En PV 403 Service Manual Electronics 5 t di circul lagram no CPU board rev 5D U23 C 12V U24 C 1 5V R119 4 GND LM358Y GNDVCC 74HC393 C135 100n KRAFT C136 100n 1k 2 R122 R121 33k 100R R123
35. 1 Copy a new service record see chapter 10 Appendices Identify the PV 403 Note the model and serial number and any inventory number on the service record Check any comments recorded on previous service records a N Document the current patient settings Checking additional services 1 Note the number of operating hours on the service record 2 Check the service schedule to see whether the alarm batteries the internal battery kit or the complete motor assembly need to be replaced Inspecting the markings Make sure that all markings on the ventilator s information labels can be read model description serial number Warning texts e inventory marking Any other texts BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Maintenance instructions 2 3 5 2 3 6 2 4 2 4 1 2 4 2 2 4 3 Information from the patient user Check the following with the patient e Has the ventilator functioned without any problems If not what were they e How does the patient care provider check the function of the ventilator How often How often is the filter replaced How many filters will be required before the next service Other observations Validity of the documentation 1 Check the validity of the Operating Manual 2 Checkifany modification or upgrading of the ventilator needs to be done at the same time as the service External inspection Visual
36. 8 C28 C15 amp z 8 2 c4 1 400 5 J 4 9 2n2 tr 100u 400V j R4 R e C16 5 4686568 alla 270k 47 1 4 go m Vie 84 8 1n 400V 470p 95885558 Penka E g i o R5 8 75 8 R2 Ly 4 mM 1 4 47 220k 0 6W pig 1 c5 D7 ot j 4 BAS21 10u 50V BYD37M 5k6 2W 8 R15 R25 I cta 3 8 10R 22k es 2 s 100n 400V NEN 2 Y R27 BAS 6 8 4 R26 Y IRAN GR m Sla m R28 gt 2 TRZTW 8 gt R81 BYD37M lt aL 5 22R D17 NI 2 C18 S 8 R29 o 5 5 5 4k7 2W 220 1000 E s x E o BYD37M REA 518 5 014 i 4 117 R 1000uF 50V 5 5 gt N E C23 220k 0 6W 85 lt 2 47n 4 5 100 lt ES 40 wer 8 M c7 5 9 2 029 Lj AF in B u D o SN 1 1 1000uF 50V 2923 2 2 BZXBACAV7 cgl z 5 R115 C6 AE Bs all E H O3 2 gt la 85518 5 Si 19 6k8 100n D gt R113 R100 gt E 4 18 H 88 a es 3k3 3 2k2 0 6W ES 18 ES E T 3 Fr 98 R148 I T 2 EJ 2 4 8 8 470R D 8 22 BREAS MEDICAL Doc No 003313 En Issue R 1 Electronics 2
37. For definitions of the part numbers refer to the parts list in section 3 6 y UOISIA 1 dn 061 097 10 ees Z GEL 0119920 uuos endg 07 1VOIO3W SV3 Ha LOCA I OVAd SWINE man 7200 xz 60 N 9 06 eng G7 OZ 99 A81 Opeig eor 7 usa16 xx 6SvL x 60L 07 xx usa16 6571 EN ZAN 52 EN u 16 ne 7202 6 0 K ae X ZGOE s xz 0r9 48p0 ge eni 9 0c pas 2902 200 BREAS MEDICAL Issue R 1 Doc No 003313 En Parts location PV 403 Service Manual 3 6 Parts list for PV 403 and PV 403 PEEP The parts of the PV 403 and PV 403 PEEP are listed in the table below Part no Definition 000015 Grease 283 AC 10 g 000041 Rubber feet 000075 Chassis pin device 000091 Optoswitch home position 000093 Encoder disc 000109 Magnetic valve 000110 Vibrator isolator cylindrical 15 x 15 mm 000157 Optoswitch 000259 Ventilator trolley 000402 Patient circuit 000458
38. 017 18 4051 2 019 1 25768 5 0 1 02 74 14 1 020 IC LM2575S 12 1 022 74HC00 1 024 74 393 1 025 TL431CA 1 U3 5 23 IC LM358D 3 U4 IC LM393D 1 U6 IC 628128 1 U7 IC 29F010A 120JC 1 U8 IC M30620SFP 1 U9 IC DS14C232 1 X TAL 32768 2 1 X2 X TAL 16MHz CSTCA MXA 1 8 72 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Electronics 8 18 6 List of components board rev Reference Description Quantity DISTANCE DRM3260x8 2 DISTANCE DSUB 1 LABEL SERIAL NUMBER 1 1 CN2 CN3 RIBBON CABLE 20 POLE 1 71 2 JUMPER SWITCH 2 C1 7 CAPACITOR 0 1 UF 50 V X7R 7 CNI CONNECTOR DSUB25P STRAIGHT PC 1 CN2 CONNECTOR PCB SOLDER 2 x 10 POLE 1 CN3 SOCKET CONNECTOR 2 x 10 POLE 1 1 5 ZENER DIODE BZX84C4V7 2 D2 DIODE 1N4148 1 D3 4 TRANSIL 5 6 15 2 J1 2 MALE POST HEADER 1 x 3 POLE ANGLED 2 RELAY 12 V CUPV10302 1 POTENTIOMETER 500R 1 TURN 72 1 71 BUZZER QFP03A 1 01 TRANSISTOR BC817 40 1 RESISTOR 47R 1 1 12 RESISTOR 2 2 1 1 R2 3 11 RESISTOR 100R 1 3 RA 6 7 9 RESISTOR 1 4 RS 8 10 RESISTOR 10K 196 3 FERRITE 4330 030 3630 1 FERRITE 25 POLE DSUB 1 POLYFUSE 040 1 VR2 POLYFUSE RXE 010 1 003313 Issue 1 BREAS MEDICAL 8 73 Electronics PV 403 Service Manual 8 18 7 List of components board rev 2
39. 1 DUMP SENSOR N 2 PRESSURE y EXHALATION REF PATIENT AIR Doc No 003313 En Issue R 1 BREAS MEDICAL 8 1 Electronics PV 403 Service Manual 8 2 Functional block diagram PV 403 PEEP The functional block diagram below shows how the electronics are arranged and how they are connected to the other main components of the ventilator MOTOR CONTROL MOTOR RECTIFIER POWER CONTROL too COGI BATTERY BELLOWS 2 ES ROOM MECHANICAL LINK ELECTRICAL LINK LINK PRESSURE SENSOR PRESSURE METER REF PRESSURE PRESSURE SENSOR SOLENOID lt PRESSURE 1 DUMP SENSOR 2 REF PRESSURE EXHALATION VALVE POTENT 1 AIR 8 2 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Electronics 8 3 Main components The electronics of the PV 403 consists ofthe circuit boards the optoswitches that control the motor assembly a push button membrane panel and a transformer Doc No 003313 En Issue R 1 BREAS MEDICAL 8 3 Electronics The table below lists the main components of the PV 403 PV 403 Service Manual No Description Panel label Membrane push button pad Upper casing LCD display Alarm board CPU board Motor assembly complete I O Input Output board oI NIAT AJAJ gt D PEEP compressor only in PV 403 PEEP
40. 12 os Gi 13 14 3 ayan SOS V s z 855002928 TOOR 99 4 15 4 my 209 45 8 015 rie 158 ms PET TER 15 o 032 v RM y es nS 8 15R Rig 158 R17 9 ER 1098 19 ea 9 y R26 920 9 UR ULN2003 L d E Fe s 0 21 gt R20 R19 A 2 m 5 48 ds EI ap un TSR TSR J l 8 310 88 4 P ess 251 ws 8MHz 100R 25 28 RES a 28 5 g T 8 5 T 0 TA R37 AI E va res 4 GIE We 57 T es J 7 8 478 44 Aa a est os Y m 5V U4 R48 5 Q2 ra va 18 R29 OVERLAY 2 15 c11 R32 R40 RO 3 6 10k R42 Q11 ES Ti 1 2 2K 5 12 10 nF 2 2 2 2k llx BC817 XS x im 10K 8 04 aie 2251 gt 85 E 3 h Title of s DE Breas Medical AB be ja WV Size Number SCHEMATIC Rev D6 D5 A PCB ALARM 5b 5 PV403 LLC 1902 V BAS32 BAS32 Drawn by Tobias S Date 2001 03 23 Filename CAD 15e sch Sheet 1 of 1 PV 403 Service Manual 8 16 2 C 8 21 BREAS MEDICAL Issue R 1 Doc No 003313 En Electronics PV 403 Service Manual 8 16 3 Circuit diagrams 5 CPU board rev 5D
41. 32 Ri 7551 ie PIE EE 6 OVERLAY 2 El C11 R32 R40 34 82 2 2K u Xi 100nF 2 2k 2 2k Toc p Te BCB17 8 AT LIBE B V ee ate Y ca 1 2051 5 CES e n Breas Medical AB 8 V 57 wv Size Number scueMatic Rev D6 05 PCB ALARM 4b 4 4 493 LLC 1902 BAS32 BAS32 Drawn by Tobias S Date 2001 02 14 Filename CAD 15d sch Sheet 1 of 1 Issue R 1 Doc No 003313 En BREAS MEDICAL 8 20 Electronics Alarm board rev 5 ircuit diagram
42. D39 40 DIODE 70 2 5 37 38 DIODE BZV49 C6V2 4 D44 DIODE 54 1 Issue R 1 BREAS MEDICAL 8 69 Electronics PV 403 Service Manual Reference Description Quantity D48 49 DIODE BZX84C12 2 D7 14 16 17 DIODE BYD37M 4 D8 28 DIODE BAS85 2 J1 2 MALE POST HEADER 1 x 2 POLE 2 L1 INDUCTOR 22 uH 220K 1 12 INDUCTOR 220 uH 221K 1 L3 INDUCTOR 330 5 1 LA 5 INDUCTOR 330 uH 331K 2 18 22 24 25 29 TRANSISTOR 817 40 6 Q2 11 13 15 21 26 TRANSISTOR MTD20P06HDL 7 Q27 28 30 31 TRANSISTOR PDTC144ET 4 Q3 5 14 16 20 33 TRANSISTOR 170 6 04 8 10 17 TRANSISTOR MTD20NO6HDL 4 Q6 9 19 23 32 TRANSISTOR BC807 40 5 7 TRANSISTOR MTB6N60E 1 RESISTOR NTC 57236 5200 1 10 RESISTOR 39K 1 1 R100 RESISTOR 680R 2W 1 R107 110 161 RESISTOR 47R 1 5 R11 RESISTOR 8K2 196 1 R117 RESISTOR 220k 1 1 R12 30 33 34 37 40 42 RESISTOR 10k 1 31 47 50 57 66 69 71 73 74 83 84 94 88 89 140 142 145 147 149 162 163 164 R121 RESISTOR 33k 1 1 R14 RESISTOR 270R 196 1 R141 NTC 10k B57621C103 1 15 43 45 78 RESISTOR 10R 1 4 R151 RESISTOR 56R 1 1 R153 RESISTOR 24K9 1 R16 RESISTOR 1k 1 1 R17 RESISTOR 1M 1W 1 18 VARISTOR 514 300 1 8 70 BREAS MEDICAL Doc 003313 En Issue R 1 PV 403 Service Manual
43. EL 20 Vilco saa 1 c ra n 3 seco ed 9 o R43 3 lt t Jr78 iS 1 8 Z N 1651 2 2 LIN 9 Sr D Rap Coal e 7 Ib e H 9 9 98 ao FSL 8 48 BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Electronics 8 17 7 Component location drawing board rev art no 001905 O A ALARM CLUSED BiALARM PEN o o o gt c wo a 55 Sc r Je ACLOSED 0 OHM BCLOSED 10 BREAS MEDICAL ART NR 1905 000000000000 Doc No 003313 Issue R 1 BREAS MEDICAL 8 49 Electronics PV 403 Service Manual 8 17 8 Component location drawing board 2 art no 002430 J1 A ALARM CLOSED B ALARM OPEN TIP SHIELD J1 B 1 x 2 a J2 A CLOSED OHM CLOSED 10 OHM BREAS MEDICAL PV404 REV2 ART NR 2430 D2 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Electronics 8 17 9 Component location drawing PGC board rev 4 CAD 019D BREAS PVM03 PGC 1904 REV 4 Doc
44. N MEE jt cer 9 zop GRAS pd Co Ele 2 I1 mes a Lea T 00 i arr ara G 2 8 00 A 47 46 8 46 BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Electronics 8 17 5 Component location drawing CPU board rev 6B and C x ps SETTER OOO CG OO RURAR Ape C 3 CIS GS Se 207 D d bm RM o E ips e e c uc E 32 EZ Pa 19 HL e k Ris IE e mes 5 5 55 Riz Sca EL xg S ure gea MEE 0 3 LE gt RL ace Jess BL IZ ra RI 33 go R43 Cn c EE g 00 5 Ple L TD k ES 2 9 9 98 eio CI 7899114 Doc 003313 Issue 1 BREAS MEDICAL 8 47 Electronics PV 403 Service Manual 8 17 6 Component location drawing CPU board rev 7B rore 51 48 81 9 ral MEM er ES AS 4 UE n Lin gt c bars o o E DR en 5
45. R15 43 45 78 RESISTOR 10R 1 4 R151 RESISTOR 56R 1 1 R153 RESISTOR 24K9 1 16 RESISTOR 1 1 R17 RESISTOR 1M 1W 1 18 VARISTOR 514 300 1 R2 117 RESISTOR 220k 0 6W 2 R22 31 32 44 87 97 RESISTOR 100k 1 7 152 Issue R 1 BREAS MEDICAL 8 65 Electronics PV 403 Service Manual Reference Description Quantity R23 36 56 58 67 93 85 RESISTOR 1k 1 25 102 104 106 111 112 114 116 119 126 133 156 R24 144 RESISTOR 680R 1 2 R25 61 63 99 101 105 RESISTOR 22k 1 8 158 R26 RESISTOR 33R 1 1 27 28 RESISTOR OR68 1W 2 R29 RESISTOR 4K7 2W 1 R3 5 20 21 39 70 79 RESISTOR 1 17 80 82 86 90 92 118 125 143 157 R35 RESISTOR ORI 1 19 96 RESISTOR 270k 1 3 R41 59 68 122 123 136 RESISTOR 100R 1 6 R46 52 53 55 76 77 RESISTOR 22R 1 6 R51 54 75 RESISTOR 330R 3 R6 RESISTOR 5K6 2W 1 60 138 155 RESISTOR 220R 1 3 R64 RESISTOR 27K 196 1 65 113 134 139 RESISTOR 3 3 1 4 R7 RESISTOR 1k 0 6W 1 72 124 135 137 154 RESISTOR 2 2 1 R8 115 120 148 150 RESISTOR 6 8 1 5 R81 RESISTOR 10R 195 1 R9 13 98 RESISTOR 47k 196 3 R95 RESISTOR 12K 1 1 51 6 FUSE HOLDER 2 S2 RXE300 PTC 1 53 PICOFUSE 0 75 1 54 PICOFUSE 0 125 1 55 135 1 TRI INDUCTOR PLAA 7 uH 1 TR2 TRANSFORMER ETD34 3F3 1 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Electro
46. T y FIL 17 21 ZZ 1uF 1uF 18 9 9 1 RXE 010 x x lt 19 22 al S 5 5 9 0 D i o 0 24 gt 25 o gt RIBBON CABLE E R4 4 a E Y 1K T 5 V 1uF Y BNC x Q 1uF 10K R12 SHIELD 2 2 Oe SE ayi 817 40 gt 5 e 3 J1 m SN lo 1 02 3 o R10 J2 ei 10K os 34 oi 1 Title n ALARM CLOSED RELAY BREAS MEDICAL AB 2 ALARM OPEN RELAY Size Number SCHEMATIC Rev 1 0 BOARD 2b cLosED PV404 IOC 2430 Drawn by Lennart H Date 2002 05 21 Filename cad 52c sch Sheet 1 of 1 8 38 Electronics PGC board rev 4C ircuit diagram S ays BAS 5V Q2 ot D R4 R3 8 ra 2 2k 2 2k 7 40 BC817 40 7805 5V 01 5V 3 OUT qup c3
47. ery inspection can be used as reference values for measurements made during future services If no reference values are available the value for the insulation resistance should be gt 20 M Q Leakage currents The leakage currents are measured at different parts of the ventilator using an RC circuit to earth Make the measurements partly at normal case NC and at the single fault condition SFC Reverse the polarity of the power supply and note the highest value Leakage currents to earth must not exceed the stated limit values Leakage currents from the casing The leakage current of the casing is measured at an unpainted point for example the head of a screw Limit values NC lt 0 1 mA SFC lt 0 5 mA Break neutral for SFC Patient leakage currents The patient leakage current is measured between the patient connector and earth Limit values NC lt 0 1 mA SFC lt 0 5 mA Break neutral for SFC Leakage currents with mains power supply at the patient connected part This test must be done using an automatic electrical safety tester with this function See the safety instructions for the tester Limit value SFC lt 5 mA BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Electronics 8 16 Circuit diagrams This section contains the circuit diagrams for the alarm board the CPU board 5 dia grams the I O board and the PGC board Doc No 003313 En Issue R 1 BREAS MEDICAL 8 19
48. rev 4 M TT H I H H TI YD om 1 J 13 R36 Di D7 181 DU Lis LT LT L Re RID Ri4 R6 RIB RO Ge H TH I L Il L RI R RI RI9 HHP ET HE BREAS PV403 C REV 4 L je IT I IL IL IL IL LI LA R4 Res ue R27 L R26 L ul Res R24 co XAI el R23 E j CT 11 ci EJ Lal 1 R38 1 E R39 E CN3 Doc No 003313 En Issue R 1 BREAS MEDICAL 8 43 Electronics 8 17 2 Component location drawing Alarm board rev 5 0147 T d Ww I SZ z s 2 SZ 09 oo El rss 1 CN1 1 013 01207 08 011010 D4 R34 68 Jos 96 Jos Jo5 101 05 R33 L_Jr35 R
49. 002014 Operating manual PV 403 SIMV Portuguese 002017 Internal battery casing 002018 Lid for internal battery casing 002019 Internal battery 20 pcs 4 3 002020 Internal battery kit 2017 2018 2019 41 4 pcs 002074 Tube green 2 5 x 6 60 mm silicon 002075 Tube blue 2 5 x 6 90 mm silicon 002076 Tube blue 2 5 x 6 135 mm silicon 002077 Fuse 5 x 20 mm Slow 5 A 002078 Circuit board shield 002079 Circuit board touching protection 002125 Fuse picofuse 125 mA solderable fuse CPU PV 403 002126 Ribbon cable 16 pole CPU alarm 002127 Ribbon cable 26 pole alarm membrane push button panel 002128 Screw M3 x 3 Torx 002129 Battery CR2032 3 V 230 mAh lithium 002130 Rubber feed through 002131 Service manual PV 403 English 002134 Fuse picofuse 750 mA solderable fuse CPU PV 403 002135 Absorbent 133 x 65 x 3 002136 Absorbent 48 x 65 x 3 002137 Absorbent between PGC board and lower casing adhesive BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Parts location Part no Definition 002138 Screw distance DSS M3050 x 5 circuit board shield 002139 Screw distance DSS M3050 x 5 circuit board touching protection 002140 Mains inlet connector class 2 002141 Cable strap 6 150 mm 002142 Ferrite clamp for alarm board ribbon cable 002144 Operating manual PV 403 SIMV Polish 002154 ABS
50. 12 V power to remote control or remote 1 Check I O board POWER alarm connector FAIL 2 Replace CPU board 44 CPU Ventilator fails critical variable RAM test Replace CPU board PROC Check performed each time a critical variable DATA is used FAIL 45 CPU Pointers to NVRAM log memory out of Replace CPU board NVRAM range LOGG Check performed each time a pointer is read FAIL 46 CPU Pointers to calendar memory out Replace CPU board NVRAM of range CALEN Check performed each time a pointer is read FAIL 47 MOTOR Motor tachometer sensor error mode Check optoswitch on TACHO only motor assembly METER FAIL 48 CPU Ventilator fails CPU processor s opcodes Replace CPU board PROC continuous self test OPCOD Unused areas in CPU program memory FAIL should be filled with illegal opcode 49 PGC PGC card temperature too high Check temperature TEMP Temperature should be 75 5 C HIGH FAIL 50 INT Internal backup battery temperature too high Check temperature BATT Temperature should be 60 5 C TEMP HIGH FAIL 51 POWER Mains power supply temperature too high Check temperature STAGE Temperature should be 105 5 C TEMP HIGH FAIL BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Fault tracing Error Text on Problem Action code LCD display 52 INT Internal backup battery overcharge protection 1 Replace on PGC BATT
51. 403 Service Manual Pressure calibration and firmware upgrade 7 3 Manual adjustment Manual adjustment is done with a pressure reference manometer connected to the PV 403 You begin by adjusting the G2 pressure sensor for 6 mbar and 40 mbar and con tinue by adjusting the G1 sensor for the same pressure values 7 3 1 Starting the manual adjustment 1 Start the PV 403 calibration software see section 7 2 2 Select the Manual tab from the Adjust pressure PV 403 window Adjust pressure P 403 40 mbar 7 e Adjust pressure PV 403 window Manual tab You can view a detailed display of the 40 mbar pressure range by selecting it from the Scale drop down list Doc No 003313 En Issue R 1 BREAS MEDICAL 7 7 Pressure calibration and firmware upgrade PV 403 Service Manual 7 3 2 Adjusting the G2 pressure sensor 1 Set the settings parameters of the ventilator as follows Pressure 6 mbar Rate 6 BPM Insp time 5 0 seconds Plateau 9 Mode PCV The pressure 6 mbar is selected in the Set pressure field Make sure that the G2 pressure displayed on screen at each breath stabilises at 6 mbar 1 mbar If not use the slider or the field below to adjust the G2 settings on screen Change the pressure in the Set pressure field to 40 mbar Make sure that the G2 pressure displayed stabilises at 40 mbar 1 mbar If not adjust the G2 settings 7 3 3 Adjusting the G1 pressure sensor 1 Set the settings parameters of t
52. 5 EFBBSSBSBSBBSSSBS E cN6 19 1 0 rev 1 or higher Port 2430 E Ta Ts o Te IR 16 Ts Te Te 51 Te E 6 20 R137 LE BEE MOTOR OFF JO O o 12V lt PMEF170 EXT R16 032 gt HARM_ACK TP4 10k Y D47 nie 032 5 59 7 40 482 VM 12V 10k N 7 S 5 053 R112 1k CN5 1 12V 170 TRYCK CN5 2 T 12 5554 031 02 A 1 5 PDTC144ET PDTC144ET ee R114 1k 1 ENSS 1 N72 A 5 0169156 CN5 7 PC CN7 3 x BTS s ww CN5 8 POM ON CN7 4 x CN5 9 TX PIC CN7 5 CN5 10 ace CN7 6 1 CHA eH CN5 11 LARM_ACK CN7 7 PRESS TEMP SENSE CN5 12 ARM LED CN7 8 r Cs 5 INT BAT CN5 13 CN7 9 STe e E e Le 4 CN5 14 R134 t CN7 10 2118 S CN5 15 PSU 2 CN7 11 M ELE 657 9013 M fe CN5 18 CN7 14 o o jo 65 amp I CN5 19 E CN7 15 5V CN5 20 Jo 8 s S S 5 CN7 16 PSU 424 CN5 22 5 b b fo R140 CN5 23 n N EX ED 10k EE CN5 26 Y Title i 2 5 5 Breas Medical AB 5 NA 5 SN NE SCHEMATIC i c Size Numb Rev er STIS 8 D34 s 9 xd PCB CPU
53. CAPACITOR 1 nF X7R 50 V 2 C15 CAPACITOR TANTALUM 4 7 uF 16 V 1 C3 4 CAPACITOR 10 nF X7R 50 V 2 5 6 CAPACITOR 470 pF 50 V 2 C7 11 CAPACITOR ELYT uF 50 V 2 C9 CAPACITOR ELYT 100 uF 50 V CV AX 1 CNI CONNECTOR PCB SOLDER 26 POLE 1 CN2 CONNECTOR 3 POLE ANGLED 1 D1 3 DIODE SM4004 3 D4 DIODE 6A1 1 DZ1 ZENER DIODE BZX84C36 1 Fl FUSE HOLDER OGN 0031 8201 1 01 2 PRESSURE SENSOR 5007 2 1 2 MAGNET VALVE 11 18 3 BV 24P 2 10 57621 103 1 POTENTIOMETER 20K 64 W 1 P2 POTENTIOMETER 5K 64 W 1 01 2 5 TRANSISTOR 817 40 3 BREAS MEDICAL 8 75 Electronics PV 403 Service Manual Reference Description Quantity Q3 TRANSISTOR BC808 25 1 04 TRANSISTOR 2 1 R1 2 7 11 14 17 23 RESISTOR 10K 1 7 R10 25 RESISTOR IK 1 2 R15 20 RESISTOR 24K 1 2 R16 22 RESISTOR 220K 1 2 R18 RESISTOR 22K 1 1 R19 RESISTOR 3K9 1 1 R21 RESISTOR 5K1 1 1 R24 RESISTOR 47K 1 1 26 RESISTOR 1K82 1 1 R3 4 12 13 RESISTOR 2K2 1 4 RS 6 RESISTOR 51K 1 2 R8 RESISTOR 1R8 1W 1 9 RESISTOR 100R 1 1 51 POLYSWITCH RXE050 1 U1 IC 7805 1 U2 THYRISTOR BT148 600R 1 U3 IC 7812 1 U4 IC LM324Y 1 MALE POST HEADER 1 x 10 POLE ANGLED 1 X2 AIRFLOW SENSOR AWM2100V 1 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Doc
54. DC 2 If no voltage check wiring and filter board 3 Replace if faulty Ventilator does External leaks from patient Check tubes mask and exhala 2 6 11 not give adequate circuit or nasal mask tion valve for leaks pressure volume Internal leaks from tubes Perform internal leakage test 6 6 bellows or check valves bh Air filters dirty Replace white filter 2 6 15 2 Wash grey filters Doc No 003313 En Issue R 1 BREAS MEDICAL 9 1 Fault tracing PV 403 Service Manual Symptom Possible cause Remedial action See ref If the ventilator has the Check the PEEP function Chapter 11 optional internal PEEP in PV 403 function this function may Operating have been activated or Manual switched off without your knowledge Pressure indi Internal supply tube Check tubes and connectors cator shows no blocked pressure reading board faulty 1 Measure at test points CN8 and 8 7 5 6 PIN16 on CPU board Voltage should be approximately 0 7 V at 0 mbar and 3 5 V at 40 mbar 2 If voltage not OK replace PGC board Check P SUB outlet PIN16 8 7 5 4 earth Voltage should be approx imately 1 V at 0 mbar and 3 V at 40 mbar 0 5 V at 10 mbar 2 If voltage not OK replace CPU CPU board faulty bh board Alarm board faulty Replace alarm board 5 3 Push button membrane Replace push button membrane 5 2 panel faulty panel 9 2 Error codes The PV 403 ventilator conta
55. Membrane check valve 000477 Bellows 000518 Membrane assembly for exhalation valve 000548 Motor 000549 Motor assembly complete 000557 Grease 283 AZ 000563 Motor assembly exchange assembly 000566 Tube 2 5 x 6 Blue 6 mm length 000567 Display LCD powertip for PV 403 with soldered on pin strip 000568 Battery 4 8 V 70 mAh 000569 Battery for internal memory lithium 3 V 70 mAh 1 25 mm diam 17 mm 000570 Ribbon cable 40 pole with IDC 1 100 mm CPU overlay 000573 Screw RTX FXST 2 9 x 16 Fzb 000574 Fastening bracket for optoswitch 000575 Pulley wheel motor poly V 000576 Nut M3 Nyloc 000577 Bellows clamp steel 325 mm PV 403 lower 000578 Bellows clamp steel 215 mm PV 403 upper 000581 Sealing ring air tube white silicon 000582 Fastening plate for moving bellows end cover 000583 Pulley wheel large poly V BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Parts location Part no Definition 000584 Flange 000585 Shaft 000586 Ball screw with nut 000587 Polyurethane elastomer Swedac U 16 soft end cover 000588 Sealing ring bearing white silicon 000589 Bearing sleeve 000590 Screw RTK 2 9 x 9 5 Fzb 000591 Spacer piece DRM 4380 x 12 000592 Spacer piece DRM 4380 x 10 000593 Screw MRT 3 x 8 Fzb 000594 Washer 2 7 x 6 x 0 5 DIN 125 000595 Cover nut 000596 Threaded cover 000597 Ball
56. No 003313 En Electronics 8 18 9 List of components PGC board rev 6B Reference Description Quantity ABSORBENT PV403 PGC 1 RUBBER FEED THROUGH 3 M6M 8 M5 DIN934 fzb 1 NUT M6M 5 1 NIPPLE R 5 3 1 RTS 2 9 16 fzb 3 TUBE BLUE 6mm PV403 PGC 3 SOCKET CONNECTOR 3 POLE 1 F1 FUSE 3 15AF 1 04 HEATSINK 1 1 2 8 20 CAPACITOR 1uF 20V 4 10 17 18 22 34 CAPACITOR 100nF X7R 20 156 160 C3 4 19 35 CAPACITOR 10nF X7R 4 C5 6 21 CAPACITOR 470pF NPO 3 C7 CAPACITOR 1uF SOV 1 9 CAPACITOR 100uF 50V CV AX 1 CN11 CONNECTOR 4 POLE 1 CN12 CONNECTOR 2 POLE 1 D1 3 5 DIODE SM4004 4 D4 DIODE 60S1 6A1 1 Fl FUSE HOLDER 1 Gl 2 PRESSURE SENSOR PPXV5007 2 G3 PRESSURE SENSOR MPXV5004GC6U 1 1 2 3 MAGNET VALVE 11 18 3 24 3 NTCI NTC 10k B57621C103 1 01 2 5 6 TRANSISTOR 817 40 4 Q3 TRANSISTOR 808 40 1 Q4 TRANSISTOR TIP42C 1 07 TRANSISTOR BCP54 16VL 1 2 7 11 27 29 RESISTOR 10k 196 7 R10 RESISTOR 1k 196 1 Issue R 1 BREAS MEDICAL 8 77 Electronics PV 403 Service Manual Reference Description Quantity R3 4 12 14 RESISTOR 2k2 1 5 R5 6 30 RESISTOR 51k 1 3 R8 RESISTOR 1R8 IW 1 51 2 POLYSWITCH RXE050 2 Ul IC 7805UC 1 05 IC LM358D 1 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Electronics 8 18 10List of components Push button membrane panel Reference Description Quantity PCB 1 MALE POST HEADER 2 x 13 POLE STRAIGHT
57. No 003313 En Issue R 1 BREAS MEDICAL 8 51 Electronics PV 403 Service Manual 8 17 10Component location drawing PGC board rev 6B 8 52 BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Electronics 8 17 11Component location drawing Push button membrane panel 0 0000000 BARBRSBSEAS 127 PRESSURE DN De8 TRIGGED 028 MAINS Swe SW3 037 Psv 038 Pev 039 simv SW6 SIMV 00000000000 08 SV4 MODE 140 20 30 ON OPPOSITE SIDE ALL LEDS Y D2 PRESS SET 030 FREQ 031 Insp 546 i MUTE TRIG 133 PLATEAU 034 EXP SENSE 035 ni POWER MEASURE 041 5 147 POWER D42 PRESSURE D45 FREQUENCY 43 VOLUME Doc 003313 En Issue R 1 BREAS MEDICAL 8 53 Electronics PV 403 Service Manual 8 18 Lists of components This section contains the lists of components for the alarm board the CPU board the I O board the PGC board the push button membrane panel the rear panel and the push button membrane panel 8 18 1 List of components Alarm board rev 4 Reference Description Quantity CABLE TIE 150 mm 1 DISTANCE DLCBSTE 7 01 4 JUMPER SWITCH 1 LCD DISPLAY PG12232 LRS ANN B 1 CN2 MALE POST HEADER 1 x 20 POLE
58. PV 403 Service Manual Electronics 8 6 8 6 1 8 6 2 Circuit board descriptions This section contains descriptions and figures of the circuit boards the LCD display and the push button membrane panel of the PV 403 The circuit boards of the PV 403 are the alarm board the CPU board the PGC Pressure Gauge Card board and the I O Input Output board Push button membrane panel The push button membrane panel includes all the push buttons indicator LEDs and the pressure bar indicator Fig 8 a Push button membrane panel LCD display The LCD display is fitted to the alarm board The contrast of the display is automatically adjusted by the temperature sensor TS1 or TS2 located on the alarm board gt gt 8 b LCD display Doc No 003313 En Issue R 1 BREAS MEDICAL 8 7 Electronics PV 403 Service Manual 8 6 3 Alarm board The alarm board contains the LCD display the U1 microprocessor and the circuits that control the LEDs of the push button membrane panel The U1 processor runs the LCD display and the LEDs and controls the push button membrane panel It also supervises the communication to the CPU board and issues alerts if this communication is broken When the ventilator is turned off the U1 processor runs in so called sleep mode with low consumption of power If the power fails or if any internal error occurs that affects the power supply to the ven tilator the battery NiMH will run th
59. Tube green 2 5 x 6 45 mm silicon 001460 Tube green 2 5 x 6 45 mm silicon 001461 Tube red 2 5 x 6 100 mm silicon 001462 Tube neutral 2 5 x 6 65 mm silicon 001463 Tube black 2 5 x 6 230 mm silicon 001464 Seal silicon 35 5 x 25 x 1 0 001474 Lock washer for check valve PV 403 001475 Bottom plug 001476 Protective plug for internal battery connector 001477 D sub protection for female 25 pole 001480 Nut flange nut DIN 6923 M5 001481 Stop screw P655 4 x 5 Fzb 001482 Groove ring SgH 47 seeger fuse 403 001483 Poly V belt 4 170H 001484 Screw MF6S 4 x 8 Fzb 001485 Washer BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Parts location Part no Definition 001486 Screw MRT 3 x 10 Fzb 001495 Fuse T 1A 5 x 20 001509 Service kit incl membranes O rings for check valves and drive belt 001511 Screw MA insert thread non locking for wing bolt in rear panel 001512 Screw 30 mm 5 32 001513 Screw 15 mm 5 32 001517 Spacer 9 93 mm miniature distance bushing CBSTE 6 01 A RT 001518 Label serial number 001541 Label with instructions f r internal battery pack PV 403 001544 Ferrite clamp on motor and sensor cables 001634 Optoswitch cable complete 001723 Box half 001886 Cable 25M 25 D SUB 10 m 001891 Overlay push button LCD PV 403 SIMV Swedish 001892 Overlay push button LCD PV 403 SIMV English 0
60. U14 A a amp 018 NC7S08 R145 1 VY acuto Q24 T 4 5 5 gt 17 42 2 ELIT zu R146 woTOR_oFF 1 i R157 p 10k nu RO 2 5 5 5 2 Ayo BATS4 8 E CE E R139 8 8 57 5016 07 42 3k3 U15 A NC7S32 170 i U R102 7 100n T m 71 1 U4 A 3 5 LM393 e E 5 gt 5 100 UA C 450 SAX U Honn vec E m R95 c87 LM393 5 1 T See 12k 330p U U14 B 100n R99 2 LM358Y vec 4 E R96 6 7 i 7 NC7S08 c78 rs 22k U4 B 5 Breas Medical AB 5 U5 B LM393 270 2 U15 B i US C Number SCHEMATIC 57 GND Vee R98 R97 PCB CPU NC7832 358 T20 CPU 1903 57 47 100k Drawn by L Hammeltz Date 01 10 26 Filename CAD0403 R6E SCH Issue R 1 Doc No 003313 En BREAS MEDICAL 8 30 Electronics v5 U23 C 12V U24 C 5V 7 14 GND LM358Y C135 100n GNDVCC C136 100n R119 R121 33k 74HC393 Ml R122 p 1 LM358Y R120 C134 1n 100R R123 0508 100R AN LINZ R42 1u 20V 038 BZV49 C6V2 D37 BZV
61. and analysed via the Calendar Data Analysis software package For more information about this software package please contact your BREAS representative For PV 403 SIMV only By combining one of these modes with the SIMV mode Synchronized Intermittent Mandatory Ventilation the PV 403 allows spontaneous breaths between the mandatory breaths that are assisted or controlled by the ventilator Doc No 003313 En Issue R 1 BREAS MEDICAL 1 1 Introduction PV 403 Service Manual 1 1 2 Intended use The PV 403 15 intended for treatment in institutions and patients homes by qualified trained personnel under the direction of a physician of adult and pediatric patients with reduced lung function using either a nasal mask or a trach tube that may be life supporting provided that an internal or external battery back up source is used and emergency equipment resuscitation bag 15 available Construction The PV 403 is constructed around a bellows that is driven by a ball screw assembly An electronically controlled servomotor rotates the ball screw via a belt transmission thus moving the bellows up or down A microprocessor controls the correct speed of the motor and its power supply by means of calculations based on the settings for pressure rate inspiration time etc The pressure and trigger settings are monitored at the same time Power failure alarm In the event of a mains power failure the ventilator will au
62. fuse blown board CHRG Error code only displayed if mains poweris 2 Replace PGC board FAIL present 53 MOTOR Bellows driving belt skids 1 Replace belt on motor BELT assembly SKID 2 Replace motor assembly FAIL 54 PIC processor communication times out Replace alarm board 55 CPU NVRAM settings parameters do not match 1 Replace battery on NVRAM checksum CPU board PARAM Parameters used for breath calculations 2 Replace CPU board FAIL should be fetched from NVRAM before start of each breath 56 TIME Ventilator fails internal software timer test Replace CPU board BASE 4 ms ERROR 57 MAINS Mains power supply too low Check mains power LOW Voltage should be higher than 80 V 58 BATT External battery voltage too low Charge orreplace LOW Voltage should be higher than 10 6 V or external battery 21 2 V if no internal battery is installed 59 BATT Internal battery voltage too low Charge or replace internal LOW Voltage should be higher than 21 2 V battery 60 PIC Communications between alarm board Replace alarm board VALUE processor and CPU board is not correct FAIL 61 LOW There are no voltage supplied to ventilator Check power supplied to VOLT within specified limits ventilator 62 INT Fuse on PGC board blown Replace fuse BATT FUSE FAIL 66 GAUGE The patient pressure is more than 20 mbar Check green patient pres MATCH lower than the pressure measured in bellows sure measuring tube for FAIL The pressur
63. glue grey special 002155 Label technical information PV 403 002180 Label internal battery charging information 002212 Moving bellows end complete 2236 587 1419 002216 Label part number internal battery PV 403 002224 M6M Nyloc M6 002233 Earth cable 002236 Fastening plate 002244 Nut M6M Nyloc M6DIN 985 low 002245 Screw MC6S 4 x 12 Fzb 002265 Screw 6 32 1 1 4 002266 Support ring 002282 Screw RTS 2 9 x 6 5 Fzb 002301 Overlay push button LCD PV 403 PEEP Swedish 002302 Overlay push button LCD PV 403 PEEP German 002303 Overlay push button LCD PV 403 PEEP Italian 002304 Overlay push button LCD PV 403 PEEP Spanish 002305 Overlay push button LCD PV 403 PEEP Danish 002306 Overlay push button LCD PV 403 PEEP Dutch 002307 Overlay push button LCD PV 403 PEEP French 002308 Overlay push button LCD PV 403 PEEP English 002316 Distance 7 mm 002335 Tube black 2 5 x 6 245 mm silicone 002415 Filter reusable 1 pc pkg 002430 printed circuit card 403 002707 Shims 37 x 47 x 0 2 003002 Compressor housing for PV 403 PEEP Doc No 003313 En Issue R 1 BREAS MEDICAL 3 13 Parts location 3 14 PV 403 Service Manual Part no Definition 003020 Polygloss label logo PV 403 PEEP 003039 Throttling PV 403 PEEP 003040 Overlay push button LCD PV 403 without SIMV Swedi
64. inspection for external damage and wear 1 Clean the outside of the ventilator using window cleaning fluid or equivalent 2 Check for visible damage to the casing and the other components 3 Check that nothing has become loose including the handle Checking the power connection 1 Check the plugs on the power cord the cord itself and the ventilator s power socket 2 Make sure that the strain relief clamp for the power cord is not damaged 3 Inspect the external battery cable if used 4 Check the external battery socket in the ventilator Minimum function check 1 Connect the power cord 2 Connect the patient circuit 3 Switch on the ventilator and make sure it operates normally Doc No 003313 En Issue R 1 BREAS MEDICAL 2 5 Maintenance instructions PV 403 Service Manual 2 5 Internal inspection Make sure to disconnect the power supply before removing the casing of the ventilator 2 5 4 Cleaning the inside of the ventilator 1 Remove the casing See chapter 5 Removing and replacing the main components for instructions 2 Remove any dirt or dust that has collected in the ventilator 2 5 2 Checking the cables 1 Inspect all the cables and their connectors Check the front and rear panels to make sure that the cables and the wires are not pinched 2 Change cable strap anchor that has become loose 2 5 3 Checking the fastening of components Make sure that all the components such as the motor
65. the Upload button The upgrading program performs a check to verify if the PV 403 is connected to mains voltage Follow the on screen instructions if the window Connect to mains voltage is displayed 3 Ifyou want to select another file that is not located in the PV 403 Calibration folder click the Upload other file button After the upload is completed the message Firmware upload successful is dis played 4 Close the window Doc No 003313 En Issue R 1 BREAS MEDICAL 7 13 Pressure calibration and firmware upgrade PV 403 Service Manual 7 14 BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Electronics 8 8 1 Electronics The electronics optics mechanics and pneumatics of the PV 403 are integrated To understand fully the electronics of the PV 403 you must know how to use the ventilator study the air flow diagram and acquaint yourself with the mechanical construction Functional block diagram PV 403 The functional block diagram below shows how the electronics are arranged and how they are connected to the other main components of the ventilator MEMBRANE SWITCHES MOTOR LCD CONTROL DISPLAY MOTOR LE INDICATORS AC CONTROL RECTIFIER LOGIC EXTERNAL POWER BATTERY CONTROL 2 BELLOWS MECHANICAL LINK ROOM AIR IN ALARM N ELECTRICAL LINK BATTERY gt PNEUMATIC LINK ALARM CONTROL PRESSURE METER PRESSURE Wg PRESSURE SENSOR SOLENOID PRESSURE
66. transformer 3 4 3 3 Parts drawing 3 Casings panels labels valves filters 3 5 3 4 Parts drawing 4 Motor 3 6 3 5 Parts drawing 5 Tubes and connections 3 7 3 6 Parts list for PV 403 and PV 403 PEFP 3 8 4 Functional diagrams cui 4 1 4 1 Functional block diagram PV 403 4 1 4 2 Functional block diagram PV 403 PEEFP 4 2 43 Pneumatic diagram PV 403 aria did 4 3 4 4 Pneumatic diagram PV 403 PEEP 4 4 5 Removing and replacing the main components 5 1 5 1 Removing the upper casing ener 5 1 5 2 Removing and replacing the push button panel 5 2 5 3 Removing and replacing the alarm board 5 3 5 4 Removing and replacing the CPU board 5 4 5 5 Installing the internal battery kit accessory 5 5 59 1 Internal battery kit s aaa Ee PORT Ue STE ts 5 5 5 5 2 Internal battery operation enne nennen 5 5 2 BREAS MEDICAL Doc No 003313 En Issue 1 PV 403 Service Manual Table of contents 5 5 3 Installing the internal battery pack 5 6 5 5 4 Removing the internal battery pack
67. ventilator casing enne nennen 6 8 6 6 2 With closed ventilator casing enne enne 6 9 6 7 Replacing the ball screw assembly 6 10 6 8 Replacing the bearing housing 6 12 7 Pressure calibration and firmware upgrade 7 1 7 Introduction to the pressure calibration process 7 1 Calibration process nn n uu e e RE terius 7 1 7 1 2 Calibration equipment 7 2 75153 5 io ee net ste ota ce asda EO Desi e das 7 2 7 1 4 Installing the calibration software 7 3 T2 Starline Ae L u 7 4 7 2 1 6 a tet eise t tatu ee Poe ida 7 4 7 2 2 Starting the calibration 7 4 7 2 3 Adjust pressure PV 403 window 2 14 1042 00 00000000000000000005000000 7 6 T3 Ma ntalad US tn Ci i rt eet 7 7 7 3 1 Starting the manual 0 2022 22 0 00000000000000000000000000 7 7 7 3 2 Adjusting the G2 pressure sensor nene enne 7 8 7 3 3 Adjusting the G1 pressure sensor 7 8 7 3 4 Verifying the calibration of the
68. ventilator switches to the internal battery supply To check the operation of the external battery and the low voltage alarm without an internal battery installed proceed as follows 1 Set the following parameters Pressure 6 mbar Rate 8 BPM Insp time 3 seconds Mode PCV Connect a 1 litre test lung with an exhalation valve Connect an adjustable DC power supply unit to the external 24 V socket of the ven tilator Set the voltage to 24 V Switch on the ventilator and make sure the On Off LED flashes When the external battery voltage drops to 22 7 V 0 2 V the low battery voltage alarm will start The alarm level must be passed for more than 15 seconds before alarm occurs Lower the voltage by 0 1 Volt steps and wait for moore than 15 seconds between steps Run the ventilator and slowly reduce the voltage to 21 2 V Check that a power fail ure alarm is issued and that the ventilator switches off Doc No 003313 En Issue R 1 BREAS MEDICAL 8 15 Electronics PV 403 Service Manual 8 11 Replacing the alarm battery BT1 The alarm battery 15 located on the alarm board The battery must be replaced five years after the delivery date or five years after it was last replaced To replace the alarm battery Disconnect the mains power supply and any external battery Remove the alarm board Remove the X3 jumper Unsolder the two pins for the battery and remove the battery Remove any remaining solder from the holes Fit
69. 0 2 TRYCK Gl Mains Off gain 0 07 V mbar 7 0 7 V at 0 mbar 02 TRYCK G2 Mains Off gain 0 07 V mbar 8 5 0V 0 05 VREF Mains On or off 9 12 0 5 12 Mains On or off 10 5 0 5 5 V Mains On or off 11 11 35 V U Mains or On battery 12 24 V 2 0 VM Mains On 13 P106 airflow 14 16 GND Doc No 003313 En Issue R 1 BREAS MEDICAL 8 13 Electronics PV 403 Service Manual 8 8 Ventilator switch over operating voltages The PV 403 will issue alarm and switch between the various power sources available if any of the conditions described below occur 8 8 1 AC power supply operation If a voltage drop occurs while running from an AC power supply the ventilator will react as follows Ifthe mains drops below 80 V AC 5 V the PV 403 will issue a power failure alarm or switch over to the external or internal battery if available 8 8 2 External battery operation If a voltage drop occurs while running from an external battery the ventilator will react as follows e voltage drops below 21 6 V the ventilator will issue a power failure alarm switch to the internal battery supply if available If an internal battery is NOT installed and the external battery voltage drops to 22 7 V the ventilator will issue a low battery alarm and continue to run until the voltage drops to 21 6 V The ventilator will then issue a power failure alarm and switch off When the external battery voltage returns to 24 V the venti
70. 00V 1 C12 50 107 109 125 127 CAPACITOR 10nF X7R 8 C137 138 CAPACITOR 2 2nF DE1210E222M 2 C14 19 20 CAPACITOR 1 50V 3 C147 CAPACITOR 220u 10V CV AX 1 C148 CAPACITOR 22pF NPO 1 C149 CAPACITOR 47nF X7R 1 C15 81 82 CAPACITOR 2 2nF X7R 3 C150 CAPACITOR 47uF 16V SMD ELYT 1 C151 152 CAPACITOR 4 7nF 500V XY 2 C16 CAPACITOR 150pF 50V 1 C18 CAPACITOR 220pF 400V 1 C2 CAPACITOR 68nF PME271 1 21 22 31 CAPACITOR 100uF 50V CV AX 3 C23 CAPACITOR 2 2nF X7R 1 24 28 29 30 CAPACITOR 1nF 400V 4 C3 132 CAPACITOR 1nF 400V 2 C32 34 41 42 46 47 48 CAPACITOR 1uF 20V 9 51 C37 CAPACITOR 10uF 6V 1 C39 CAPACITOR 100uF 16V 1 CAPACITOR 100uF 400V 1 5 27 CAPACITOR 10uF 50V MVKF55 2 Doc No 003313 En Issue R 1 BREAS MEDICAL 8 63 Electronics PV 403 Service Manual Reference Description Quantity 9 17 25 26 35 36 CAPACITOR 100nF X7R 77 38 40 43 45 49 52 54 64 72 74 75 77 79 84 89 91 97 100 106 110 113 124 131 133 135 136 139 146 153 154 C7 8 CAPACITOR 1000uF 50V 105GR 2 C73 CAPACITOR 5 6pF NPO 1 C76 CAPACITOR 330pF NPO 1 C80 83 CAPACITOR 470uF 50V 2 C90 CAPACITOR 68nF X7R 1 C98 99 111 112 128 CAPACITOR NPO 8 130 134 CONNECTOR 3 POLE 1 CN2 CONNECTOR 9 POLE 1 CN3 CONNECTOR 8 POLE 0 1 CN4 CONNECTOR 2 POLE 1 CNS HEADER CONNECTOR 26 POLE EJECTOR 1 CN6 HEADER CONNECTOR 20 PO
71. 01893 Overlay push button LCD PV 403 SIMV German 001894 Overlay push button LCD PV 403 SIMV Italian 001895 Overlay push button LCD PV 403 SIMV Spanish 001896 Overlay push button LCD PV 403 SIMV Danish 001897 Overlay push button LCD PV 403 SIMV Dutch 001898 Overlay push button LCD PV 403 SIMV French 001901 Membrane push button panel 001902 Alarm circuit board PV 403 001903 CPU Motor circuit board PV 403 001904 PGC circuit board PV 403 001905 I O circuit board PV 403 001922 Overlay rear panel 001923 Plate rear panel 001966 Logo 001980 Cable computer communication 001992 Filter disposable PV 403 1 pc package 001993 Filter disposable PV 403 50 pcs package 001998 Optoswitch cable complete Doc No 003313 En Issue R 1 BREAS MEDICAL 3 11 Parts location 3 12 PV 403 Service Manual Part no Definition 002003 Operating manual PV 403 SIMV Swedish 002004 Operating manual PV 403 SIMV Danish 002005 Operating manual PV 403 SIMV Norwegian 002006 Operating manual PV 403 SIMV Finnish 002007 Operating manual PV 403 SIMV English 002008 Operating manual PV 403 SIMV German 002009 Operating manual PV 403 SIMV French 002010 Operating manual PV 403 SIMV Dutch 002011 Operating manual PV 403 SIMV Italian 002012 Operating manual PV 403 SIMV Spanish 002013 Operating manual PV 403 SIMV Greek
72. 0R 1 2 R64 RESISTOR 27K 1 1 R7 RESISTOR 1K 0 6 W 1 R72 RESISTOR 390R 1 1 R8 RESISTOR 5K6 1 1 R81 RESISTOR 22R 1 1 R9 98 RESISTOR 47K 196 2 R95 RESISTOR 12K 1 1 S1 6 FUSE HOLDER OGN 0031 8201 2 52 RESISTOR RXE300 1 53 PICOFUSE 0 75 251 750 1 54 PICOFUSE 0 125 251 125 1 INDUCTOR PLAA 7 uH 1 TR2 TRANSFORMER ETD34 3F3 1 Ul IC UC3845D 1 Doc No 003313 En Issue R 1 BREAS MEDICAL 8 61 Electronics PV 403 Service Manual Reference Description Quantity Ull IC DS1302 1 U12 IC DS1811B 1 U13 IC REF02 1 014 NC7S08 1 015 NC7S32 1 016 4514 1 017 18 4051 2 019 IC LM2576S 5 0 1 02 74 14 1 020 LM2575S 12 1 021 4514 1 022 74HC00 1 024 74 393 1 U3 5 23 IC LM358Y 3 U4 IC LM393 1 U6 IC 628128 1 U7 IC AM29F010A 120JC 1 08 306205 1 U9 IC DS14C232 1 X TAL 32 768 kHz 1 2 X TAL 16 MHz CSTCA 1 8 62 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Electronics 8 18 4 List of components CPU board rev 6 Reference Description Quantity BAT BATTERY CR2032 3V 1 S1 FUSE 1A T 5x20mm 1 56 FUSE 5 5x20mm 1 BATI BATTERY HOLDER VBH2032 1 1 BRIDGE DF10S 1 CAPACITOR 220nF 271 1 10 CAPACITOR 100nF 400V 1 Cll CAPACITOR 220pF 5
73. 1 D1 40 44 48 LED 9CCL170G CD 42 D41 LED 8CCL155Y PG 1 D42 43 45 47 LED 9CCL170HR CD 4 D46 LED 9CCL170Y CD 1 SW1 7 SWITCH MEMBRANE STEEL 7 Doc No 003313 En Issue R 1 BREAS MEDICAL Electronics PV 403 Service Manual 8 18 11List of components Rear panel Position Description Quantity 1 1 part no 001923 2 PCB I O 1 part 001905 3 4 AC INLET CLASS 2 6102 5220 1 5 CONNECTOR 3 POLE XLR 7000 1 6 7 CONNECTOR BNC CHASSIS FEMALE 1 8 SOLDER EAR 1 9 ISOLATING PANEL BNC 1 10 CABLE AWG20 RED 1 L 300 mm 12 CABLE AWG20 BLACK L 300 mm 1 13 CABLE PTFE M EE2219 L 50 mm 2 14 CABLE 0 75 mm 2 RED L 150 mm 2 15 CONNECTOR 4 8 x 0 8 RED 2 16 CONNECTOR MTA100 3 POLE ORANGE 1 17 CONNECTOR 100 2 POLE YELLOW 1 18 19 SHRINK TUBE 3 2 mm BLACK L 20 mm 2 20 21 DISTANCE DRM3260 x 7 5 22 NUT M3 WITH LOCKING 23 24 100 5 25 26 OVERLAY PANEL 1 part no 001922 27 28 SCREW MFXZ 3 x 6 STEEL FZB L 20 mm 4 8 80 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Electronics 8 18 12List of components Cables Position Description Quantity 1 ALARM OVERLAY CABLE 2 3 CONNECTOR FEMALE SOCKET 2 x 13 POLE 2 4 RIBBON CABLE 26 POLE 50 mm 5 6 7 CPU ALARM PCB CABLE 8 9 CONNE
74. 2 18 _ nz y Y A2 nos m 1125 64 552 85 NMI Z 10 188n CS1 10 2 70E D2 65 127 47 VCC1 18 07 21 57 MIL 01 23 66 _126 6 NS 29 1 12 zcsp22 67 26 45 551 14 gt la FR GND 05 17 70 22 42 86 XC out 11 Y 72 121 M 87 XC_IN 5 HE 628128 deya 72 120 40 cnyss 2 73 117 015 5 BYTES 74 116 014714 2 maT 2815 13 13 91 781 Si3 8 eA Mss 71 012 92 T82 503 2 31 0 93 DAQ TB3 78 112 010 29z2 O94 DA1 TA4 3 TV own 57 11 09 Y 95 0 4 1 EA 10 08 008 2 ee 21 RS U22 D Se OS OO eR 05485 021 RSSIHISSSSSSSSSZSESN GND R38 R ETENEE OEN cis E o A 2 5Y BAT 5 T Veo Rds 5V ut C133 100n m 198 TPS 5V BAT Y n S 100n U22 E 5 12V TEE EEES B A IS er 47 eno vec H4 REALT KL EE R43 A 74HC00 1 u16 1 MR R36 ws TOR V 32 768kHz 73 x2 10 1 2 SEXT 5 GND RS U13 3 5p6 4 5 1k de 8 B5 3 Title on 051302 END Vee ix 7 Breas Medical AB 100 MAX4514 SL 5 Temp Vout 6 STS GND Trim A Size Number SCHEMATIC Rev PCB CPU V a Most i REFO2 AS CPU 1903 Se Drawn by LH Simtra Date 02 10 10 Filename 0401 5 Sheet 2 of 5
75. 2 Startthe calibration program from the Start menu in Windows by selecting Programs gt BreasMedical gt 403 Calibration 3 Ifthis is the first time you are using the calibration device enter the password 54312 The main window is displayed see below 4 Click the Upload PV 403 firmware button in the main window PV403 Calibration Software v1 12 Connect serial cable and powercord to the PV403 Select port and calibration device if any Fig 7 k 403 calibration software main window 7 12 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Pressure calibration and firmware upgrade 7 5 2 Upgrading the CPU board and alarm board firmware You can see a list of the present firmware versions in the PV 403 by clicking the Test button The List firmware versions window is displayed Upload firmware 1 12 Bf x Be sure that the firmware you choose to upload is compatible with the hardware revision When in doubt contact Breas technical support Test PORT COM1 Select firmware file Version E 403 Alarm board SIM 403 CPU MDN P403 PEEP CPU MPA PV403 PV403PEEP Alarm board SBD Upload other file Fig 7 Upload firmware Upload 1 Select the port to be used for the connection between the and the PV 403 2 Selectthe upload file in the Select firmware file field and click
76. 20 5 s 21 n PEEP 16k 2115 G3 5004 s 470p 1u 20V 2 vs o oe 54 516 2 R29 3 Lo COMPR_ON GND d 29 PRESS PEEP 4 lour SAS 2 10k C160 LL 412V 100n COMPRESSOR 11 4 5 els C18 6 CPU 1 06 sha Gane R14 U5 C Breas Medical AB 157 156 4 8 1 100 100 2 2k Size Number SCHEMATIC Rev LM358Y PCB PRESSURE SENSOR BC817 40 6b PV403 PGC 1904 Drawn by Lennart H Date 2002 06 28 Filename cad 19G sch Sheet 1 of 1 Issue R 1 Doc No 003313 En BREAS MEDICAL 8 40 PV 403 Service Manual Electronics 8 16 10Circuit diagram Push button membrane panel 5 0000000000000000 ERRARE www 888182183 8 8818 88 8 823 88 ga 8 n 458 5 8 3 5 E 8 8 7 a RES c NI olg z aes amp K en T roll 23 8 omm 4 gt lt 8 amp 042 037 031 025 019 015 07 01 14 j ht 4 44 c Press Alarm Psv Set I
77. 22 31 CAPACITOR 100uF 50V CV AX 3 C23 CAPACITOR 2 2nF X7R 1 C24 28 29 30 CAPACITOR 1nF 400V 4 C3 132 CAPACITOR 1nF 400V 2 C32 34 46 47 CAPACITOR 1uF 20V 5 C37 CAPACITOR 10uF 6V 1 C39 CAPACITOR 100uF 16V 1 CAPACITOR 100uF 400V 1 5 27 CAPACITOR 10uF 50V 55 2 8 68 BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Electronics Doc No 003313 En Reference Description Quantity C6 9 17 25 26 35 36 CAPACITOR 100nF X7R 80 38 40 45 48 51 54 64 72 74 75 77 79 84 89 91 97 100 106 110 113 124 131 133 135 136 139 146 153 154 156 160 C7 8 CAPACITOR 1000 50V 105GR 2 C73 CAPACITOR 5 6pF NPO 1 C76 CAPACITOR 330pF NPO 1 C80 83 CAPACITOR 470uF 50V 2 C90 CAPACITOR 68nF X7R 1 C98 99 111 112 128 CAPACITOR 1nF NPO 8 130 134 CNI CONNECTOR 3 POLE 1 CN10 CONNECTOR 4 POLE 1 CN2 CONNECTOR 9 POLE 1 CN3 CONNECTOR 8 POLE 1 CN4 CONNECTOR 2 POLE 1 CNS HEADER CONNECTOR 26 POLE EJECTOR 1 CN6 HEADER CONNECTOR 20 POLE EJECTOR 1 CN7 HEADER CONNECTOR 16 POLE EJECTOR 1 CN8 HEADER CONNECTOR 16 POLE 1 CN9 CONNECTOR 2 POLE 1 D1 3 6 9 13 18 23 31 DIODE BAS21 15 33 35 36 41 47 D15 DIODE 20 045 1 D19 42 43 DIODE 5 4004 3 D2 45 DIODE BYS10 45 2 D20 22 26 27 DIODE 50WQ04FN 5 D24 DIODE BZX84C5V6 1 D29 DIODE BZX84C4V7 1 D30 DIODE SM6T6V8A 1 D34 DIODE 6081 6A1 1
78. 3 En Issue R 1 PV 403 Service Manual 11 PV 403 SIMV OPERATING MANUAL Doc No 003313 En Issue R 1 BREAS MEDICAL BREAS MEDICAL PV 403 Service Manual Doc No 003313 En Issue R 1 PV 403 Service Manual 12 PV 403 PEEP OPERATING MANUAL Doc No 003313 En Issue R 1 BREAS MEDICAL BREAS MEDICAL PV 403 Service Manual Doc No 003313 En Issue R 1
79. 3 Service Manual Motor assembly 6 2 Removing the motor assembly Refer to section 5 11 for instructions on how to remove the motor assembly 6 3 Inspecting and replacing the driving belt This operation is done with the motor assembly removed from the casing See section 5 11 for instructions on how to remove the motor assembly 1 While turning the large pulley work the driving belt off see no 13 in Fig 6 a 2 Checkthat the driving belt and the pulley surfaces are undamaged Replace the belt at the specified service interval or when necessary 3 Reassemble the motor assembly and the casing see section 5 12 6 4 Lubricating the ball screw The ball screw can be lubricated without removing the motor assembly 1 Remove the two screws the spacer and the nuts that hold the optoswitch bracket to the motor Move the optoswitch assembly to one side 6 b Removing the optoswitch bracket 2 the bellows up to its top turning point Doc No 003313 En Issue R 1 BREAS MEDICAL Motor assembly PV 403 Service Manual Fig 6 c Lubricating the ball screw Remove the upper bellows clamp and pull the bellows from the top end cover Wipe away any old grease and dirt from the ball screw Apply new grease BREAS part no 000557 Run the ball screw up and down a couple of times and remove any excess grease Fit the bellows to the end cover and fasten it with the bellows clamp Fit the opt
80. 30 R7 Re RB R5 R3 R4 Ri R2 04 tus R10 R12 R14 R16 R18 R20 R9 R11 R13 R15 R17 R19 R42 011 R29 R48 CN2 R49 20 4 07 545 841 02 R28 uo ____ R27 me ul 7 Us R25 E R24 C2 1 is R25L d c10 R22L J LJ R21 C1 R31 XTAL1 cg R47 TS1 R38 TS2 R46 1 Gi R39 gioca Nim I 05 c5 06 1 R44 C6 E 06 C4 CB 05 12 1 cit 3 K 2 D 02 LI aia 832 BREAS MEDICAL Doc No 003313 En PV 403 Service Manual Issue R 1 PV 403 Service Manual Electronics 8 17 3 Component location drawing CPU board rev 4 H BNL mgl cba 1 Y D D39 Ce M Doc No 003313 En Issue R 1 BREAS MEDICAL 8 45 Electronics PV 403 Service Manual 8 17 4 Component location drawing CPU board rev 5C Q a Q 00 192 L A 3 o 9 829 7 m a e s x
81. 38 40 43 45 49 52 54 64 72 74 75 77 79 84 89 91 97 100 106 110 113 127 131 133 135 13 6 139 146 153 C7 8 CAPACITOR 1000 50 V 2 C76 CAPACITOR 330 pF NPO 1 C80 83 CAPACITOR 470 50V 2 C90 CAPACITOR 68 nF X7R 1 98 99 111 112 CAPACITOR 1 nF NPO 8 128 130 134 CNI CONNECTOR 100 3 POLE 1 CN2 CONNECTOR AMP 9 POLE 1 CN3 CONNECTOR AMP 8 POLE 1 CN4 CONNECTOR AMP MTA100 2 POLE 1 CNS HEADER CONNECTOR 26 POLE EJECTOR 1 CN6 HEADER CONNECTOR 20 POLE EJECTOR 1 CN7 HEADER CONNECTOR 16 POLE EJECTOR 1 CN8 HEADER CONNECTOR 16 POLE 1 D1 3 6 9 13 18 31 DIODE BAS21 17 33 35 36 41 46 47 D15 DIODE 20 045 1 D19 42 43 DIODE SM4004 3 D2 45 DIODE BYG90 40 2 D20 21 22 26 27 DIODE 50WQ04FN 5 D24 ZENER DIODE BZX84C5V6 1 D29 ZENER DIODE BZX84C4V7 1 D30 TRANSIL SM6T6V8A 1 D34 DIODE 6A1 1 D39 40 DIODE BAV70 2 D4 5 37 38 ZENER DIODE BZV49 C6V2 4 D44 DIODE BAT54 1 D7 14 16 17 DIODE BYD37M 4 D8 28 DIODE 585 2 Issue R 1 BREAS MEDICAL 8 59 Electronics PV 403 Service Manual Reference Description Quantity L1 INDUCTOR 22 uH 1 L2 INDUCTOR 220 uH 1 L3 INDUCTOR 330 uH 5 1 LA 5 INDUCTOR 330 uH 2 01 TRANSISTOR 817 16 1 018 22 24 TRANSISTOR BC817 40 3 02 11 12 13 15 21 TRANSISTOR MTD20PO6HDL 7 26 023 TRANSISTOR 808 1 027 28 TRANSISTOR PDTC144ET 2 Q3 5 1
82. 4 16 20 TRANSISTOR 170 5 04 8 10 17 TRANSISTOR MTD20NO6HDL 4 Q6 9 19 TRANSISTOR 807 40 3 Q7 TRANSISTOR MTB6N60E 1 RESISTOR NTC 57236 5200 1 10 RESISTOR 39K 1 1 R100 RESISTOR 2K2 0 6 W 1 R11 113 134 139 RESISTOR 3K3 1 4 R115 120 148 RESISTOR 6K8 1 3 R121 RESISTOR 33K 1 124 135 137 RESISTOR 2K2 196 3 R14 RESISTOR 270R 1 1 R141 NTC 10K B57621C103 1 R144 RESISTOR 680R 1 1 R15 43 45 78 RESISTOR 10R 1 4 R16 RESISTOR 1 1 R17 RESISTOR 1M 0 6 W 1 18 VARISTOR S14K300 1 R2 117 RESISTOR 220K 0 6 W 2 R22 31 32 44 57 97 RESISTOR 100K 1 6 R23 36 51 54 56 58 RESISTOR 1 25 67 75 85 102 105 106 111 112 114 116 119 126 133 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Electronics Reference Description Quantity R24 107 108 109 RESISTOR 47R 1 5 110 R25 61 62 63 99 RESISTOR 22K 1 6 101 R26 RESISTOR 33R 1 1 R27 28 RESISTOR IR 1 W 2 R29 RESISTOR 4K7 2 W 1 R3 5 20 21 65 70 RESISTOR 4K7 1 15 79 80 82 86 87 92 118 125 143 R30 33 34 37 40 42 RESISTOR 10K 1 21 47 50 66 69 71 73 74 83 84 94 88 89 140 142 145 147 149 R35 RESISTOR OR1 1 W 1 R38 1 R4 19 96 RESISTOR 270K 1 3 R41 68 59 122 123 RESISTOR 100R 1 6 136 R46 52 53 55 76 77 RESISTOR 22R 1 6 R6 RESISTOR 5K6 2 W 1 R60 138 RESISTOR 22
83. 49 C6v2 R135 5V 2 2 LOUOSP CN6 16 CN6 15 CN6 8 CN6 4 CN6 1 CN6 2 CN6 3 CN6 13 CN6 14 CN6 12 CN6 5 CN6 6 CN6 17 CN6 7 CN6 10 8 31 it diagram no CN6 9 CN6 18 5V P PIC El Bl Ej El 1 E E 5 1 E E CN6 11 E E EJ Bl El El 1 E kp E U22 B 4 100R BAS85 S S CN6 19 4 R72 C155 SUMMER n 2 2 100n Ba To iv T CN6 20 R137 es N om 133333333 12V 74HC00 Nw PMBF170 8 Y 8 2k2 R149 5 BAS21 BAS21 D VM 12V ML 1121 1 Harare 1 1 1 1 1 R124 BC807 40 BREAS MEDICAL circul 1k BAS21 R74 10k A onn ei _ 2 25 100n C26 109 R114 1k MAGN VENTI MAGN VENT2 CPU board rev 6E PV 403 Service Manual 100n D30 5 6 6 10k c89 R73 PRESS TEMP SENSE NT le o o O 5 toseta 100n 25 hon 99999 22222 SSSSS DUAU
84. 5 2 5V 1 8 10n 3 R2 NTC1 F1 pam e ol lx V 10k PCB CPU G1 EXTERN 9 3 15A FAST ysi2 tw20V oi ES 33 4 51 1x3POL 12V 7812 PPXV5007 5V 5 c4 3 5 n OUT qup 10n y A t 8 3 3 a 5 5 2 c5 2 8 8 G2 INTERI g iz tpud 8 243 ys 1u 20V 470p 42 E me s 4 2 3 5 ell El PPXV5007 BTS 3 Ella TY 4 4 4 4 E Y at 5 1K 3 s1 3 R26 2 4 95 1 82K Mazdy FLOW SENSOR 976 U4 B R23 71 4 gt Ape oft 911 le x 1 E sli aye 84 9 R 1x10p 1 10 o x MA 2 64W gt 20K 12V LM324Y 1 o x Breas Medical AB a p p UAE 8 Number SCHEMATIC RT R18 1 PRESSURE SENSOR de PV403 1904 1 20 524 10K 22K Drawn by Tobias S Date 2001 05 22 Filename cad 19D sch Sheet 4 of 1 PV 403 Service Manual 8 16 8 C 8 39 BREAS MEDICAL Issue R 1 Doc No 003313 En PV 403 Service Manual Electronics PGC board rev 6B it diagram 8 16 9
85. 8 44 8 17 3 Component location drawing CPU board rev 4 8 45 8 17 4 Component location drawing CPU board rev 5C 8 46 8 17 5 Component location drawing CPU board rev 6B and C 8 47 8 17 6 Component location drawing CPU board 7B 8 48 8 17 7 Component location drawing I O board rev A art no 001905 8 49 8 17 8 Component location drawing I O board rev 2 art no 002430 8 50 8 17 9 Component location drawing PGC board rev 4 8 51 8 17 10 Component location drawing PGC board rev 6B 8 52 8 17 11 Component location drawing Push button membrane panel 8 53 S LS Lists OF components aas ceteri fidele 8 54 8 18 1 List of components Alarm board rev 4 8 54 8 18 2 List of components Alarm board rev 5 8 56 8 18 3 List of components CPU board rev 5 8 58 8 18 4 List of components CPU board rev 6 8 63 8 18 5 List of components CPU board rev 7B 8 68 8 18 6 List of components I O board 8 73 8 18 7 List of components I O board rev 2 8 74 8 18 8 List of components PGC board rev 4 8 75 8 18 9 List of components PGC boar
86. 8 CE 4 cie Y CN3 8 CN29 10k Title e re 8 8 8 8 5 5 5 UxC 8 5 8 Breas Medical STeTe 4 8 Size Number SCHEMATIC Rev 9 S CPU 6 1 6 Page m 5 LM358Y CPU 1903 r7d E 4 Drawn by L Hammeltz Date 92 05 15 Filename CADO483_R7D SCH Sheet of 5 Issue R 1 Doc No 003313 En BREAS MEDICAL 8 34 Electronics MUA e 8 35 4 t di CIrcul lagram no BREAS MEDICAL PV 403 Service Manual CPU board rev 7D STYR_MUK2 gt MX U18 Sun x 11 10 B R30 ic 45V die iix 16 10k EZ 2 2 vec R31 gL INT
87. CTOR FEMALE SOCKET 2 x 8 POLE 2 10 RIBBON CABLE 16 POLE 140 mm 11 FERRITE 2643 1638 51 1 Doc No 003313 En Issue R 1 BREAS MEDICAL 8 81 Electronics PV 403 Service Manual 8 82 BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Fault tracing 9 Fault tracing This chapter contains a fault tracing table and a table of error codes to use when trouble shooting the PV 403 9 1 Fault tracing table If the PV 403 does not work properly try to identify the problem in the table below Check the possible causes and carry out the suggested remedial actions Symptom Possible cause Remedial action See ref Ventilator does Power cord not properly Connect power cord 2 4 2 not start connected Mains fuse blown Replace CPU board 5 4 Ventilator does External batteries Charge external batteries 8 10 2 6 9 not run from discharged Chapter 17 external battery in PV 403 supply Operating Manual External battery cable not 1 Connect cable 8 10 2 6 9 connected properly or 2 If cable connected measure Chapter 17 faulty voltage in PV 403 3 Replace cable if faulty Operating Manual External battery fuse on Replace fuse 8 CPU board blown Battery polarity faulty May Check polarity 8 be the case if fuse blows immediately after connecting to external battery cable Voltage faulty 1 Measure voltage between pins in 8 CN4 with battery connected Voltage should be approximately 24 V
88. HC00 A s Number L Hammeltz Filename CAD 4 3_ R6E SCH SCHEMATIC PCB CPU CPU 1903 Date 91 10 26 Sheet 2 of 5 8 28 Electronics PV 403 Service Manual 3 circuit diagram no CPU board rev 6E TVM I I ee I 1 s 5A 8 8A 5 8 9 BAS 5 8 8 s s A A A A 5 R76 R52 R55 le 228 aa 228 an 228 02 MTD20PO6HDL amp MTD20PO6HDL amp MTD20PO6HDL gt 13 13 Z 8 8 5V 5 11 I 93 4HC14 95 4HC14 014 8 170 170 170 100n e v a V az MTD20NO6HDL MTD20NO6HDL MTD20NO6HDL 7 ono vee 74HC14 U2 8 U2 D E U2 F E P 8 9 d gs 13 d 4HC14 5 827 2 5 4HC14 5 x 5 4HC14 5 nee E s tr BAY 1 4 1 18n C125 R111 4 4 UL OTP7 5V 10n C126 gare 5V S 2 s 1 18n C127 y i e lus tors 3 3 38 1n C128 alana 3 Lum R59 A ajja 8 in c129 87878 cN2 2 CES 100R in 130 CN2 3 8 R48 2 4 y 4 o CN2 5 ENC002 Kig 4 CN32
89. IRING DIAGRAM PV403 REVISION 1 0 000705 SG Doc No 003313 En Issue R 1 BREAS MEDICAL 8 5 PV 403 Service Manual Electronics 8 5 Main cabling diagram PV 403 PEEP The diagram below illustrates the main cabling of the PV 403 PEEP 0 NOISIA3H OPAd SNIHIM ans a eiod sz INO dol Qu VOSAJ QuvOog Wav iv E mo WS 138M3 EU TV 1 3503 SNO ZNO TVNI DXA OVI Es qat SNIVA TWNYALNI m JAasna IND m YOLOANNOOD 1581 8N9 ALIHWNMOUS 8 Z awam 9 e _ a ana Amo z ina A XTHAHISSV 00130 oriod e MOTEISPMOLON HOYA 6 0 8 0 9 ama 5 v 011 do 2E z BLIHM roo QE remus U epouy y 6 22 00130 91046 SeuojMs 0340 1 Issue R 1 Doc No 003313 En BREAS MEDICAL
90. L Hammeltz Filename CAD0403 R6E SCH Date 91 12 26 Sheet 1 of 5 8 27 BREAS MEDICAL Issue R 1 Doc No 003313 En PV 403 Service Manual 2 t diagram no circul CPU board rev 6E C43 R33 10k R40 10k R44 100k C41 100n 100n ug C48 100n Cit C42 1 100n V C1 v 2 C51 GND 2 R2OUT R2IN R1OUT TIIN 10 0 o gt T2IN T20UT R 12615 R1331 ZIK mer 12V emu TES B R1281 U R130 1k EMT RISTIK R1321 5V GE C37 gsm 10uF 6V 5V BAT C35 D RES 50 49 48 47 46 45 44 45 42 41 40 39 38 37 36 35 34 52 RD 53 BCLK 56 ALE 44 50 45 51 46 52 47 53 54 HLDA 55 HOLD 61 CLK0 62 RXDO 63 TXDO 64 CLKS1 65 CLK1 5 WRL WR 61 WRH BHE 57 RDY CKO 60 CR TSO 71 TA0I B5 28
91. LCD display Problem Action 01 ALARM Ventilator fails PIC processor s internal RAM Replace alarm board PROC self test RAM FAIL 02 ALARM Ventilator fails PIC processor s internal Replace alarm board PROC PROM self test FLASH FAIL 03 LED One or more indicator LEDs faulty 1 Replace settings panel FAIL Number XX of defective LED shown on keyboard Audible LCD display 2 Replace alarm board alarm XX Problem does not cause function failure duration operation will continue after alarm 55s 04 CPU Ventilator fails CPU communication test Replace CPU board COM FAIL 07 PUSH Keyboard push buttons are stuck Replace settings panel BUTTN keyboard FAIL 11 CPU Ventilator fails CPU processor s internal Replace CPU board PROC RAM self test RAM FAIL 12 CPU Ventilator fails CPU flash PROM s self test Replace CPU board PROC FLASH FAIL Doc No 003313 En Issue R 1 BREAS MEDICAL Fault tracing PV 403 Service Manual Error Text on Problem Action code LCD display 13 CPU Ventilator fails NVRAM s settings parame 1 Replace clock battery on NVRAM ters self test CPU board Audible FAIL In event of checksum failure default values 2 Replace CPU board alarm DEF should be loaded and stored in NVRAM with duration AULT a correct checksum 5s PARAM Problem does not cause function failure SET operation will continue after alarm Default values f
92. LE EJECTOR 1 CN7 HEADER CONNECTOR 16 POLE EJECTOR 1 CN8 HEADER CONNECTOR 16 POLE 1 CN9 CONNECTOR 2 POLE 1 D1 3 6 9 13 18 31 33 DIODE BAS21 15 35 36 41 46 47 D15 DIODE 20 045 1 D19 42 43 DIODE SM4004 3 D2 45 DIODE BYS10 45 2 D20 22 26 27 DIODE 50WQ04FN 5 24 DIODE BZX84C5V6 1 D29 DIODE BZX84C4V7 1 D30 DIODE SM6T6V8A 1 D34 DIODE 60 1 6A1 1 D39 40 DIODE 70 2 D4 5 37 38 DIODE BZV49 C6V2 4 D44 DIODE BAT54 1 D48 49 DIODE BZX84C12 2 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Doc No 003313 En Electronics Reference Description Quantity D7 14 16 17 DIODE BYD37M 4 D8 28 DIODE 585 2 L1 INDUCTOR 22 uH 220K 1 L2 INDUCTOR 220 uH 221K 1 L3 INDUCTOR 330 5 1 LA 5 INDUCTOR 330 uH 331K 2 18 22 24 25 29 TRANSISTOR 817 40 6 Q2 11 13 15 21 26 TRANSISTOR MTD20PO6HDL 7 Q27 28 TRANSISTOR PDTC144ET 2 Q3 5 14 16 20 TRANSISTOR 170 5 04 8 10 17 TRANSISTOR MTD20NO6HDL 4 Q6 9 19 23 TRANSISTOR 807 40 4 Q7 TRANSISTOR MTB6N60E 1 RESISTOR 57236 5200 1 10 RESISTOR 39K 1 1 R100 RESISTOR 680R 2W 1 R107 110 RESISTOR 47R 1 4 R11 RESISTOR 8K2 1 1 R12 30 33 34 37 40 42 RESISTOR 10k 1 28 47 50 57 66 69 71 73 74 83 84 94 88 89 140 142 145 147 149 R121 RESISTOR 33k 1 1 R14 RESISTOR 270R 196 1 R141 NTC 10k 57621 103 1
93. Move the bracket to one side Fig 6 j Removing the optoswitch bracket 3 Remove the upper bellows clamp Drive the top end cover upwards by turning the belt pulley 4 Toavoid damaging the bellows remove the lower bellows clamp and the bellows 6 10 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Motor assembly 6 k Removing the ball screw 5 Use the special tool as a counterhold for the retainer plate Remove the two Torx screws using an angled Torx key 6 Remove the complete ball screw assembly from the bearing housing Fit the ball screw assembly into the bearing housing 8 Use the special tool as a counterhold for the retainer plate Screw in and tighten the two Torx screws 9 Grease the ball screw if necessary see section 6 4 10 Fit the bellows and clamps and tighten them 11 Fit the optoswitch bracket 12 The motor assembly can now be reinstalled Doc No 003313 En Issue R 1 BREAS MEDICAL 6 11 Motor assembly PV 403 Service Manual 6 8 Replacing the bearing housing assembly This operation 15 carried out with the motor assembly removed from the ventilator 1 Remove the ball screw assembly see section 6 7 2 Turnthe unit upside down 3 Unscrew the red plastic protection cap 1 4 Remove the four Allen screws 2 that hold the lock ring 3 and unscrew it from the ball screw shaft Pull the belt pulley 4 off the shaft
94. NZS R145 g EEn 10k 71 aah r csg tall Tor Tor Tar toral tera Tc 8 1 10k CONT 56 E I R140 icon n n SCHEMATIC PCB CPU CPU 1983 L Hammeltz Date Filename CAD 403_ R6E SCH Sheet gh STS D34 EA RARES 6051 6 3911100 461 100 43 01 10 26 5 of Issue R 1 Doc No 003313 En PV 403 Service Manual 5 CPU board rev 7D ircuit diagrams Electronics 8 16 5 C
95. PV 403 Service Manual Table of contents Table of contents 1 1 1 IL Aboutthe PV 405 ventilator HET un NT Po ESQ 1 1 1124 2 RR RR be uh deeds 1 1 11 2 Intended Useni eee RH Re 1 2 118 Construction e Reda re EA EBERT ERES cias 1 2 1 1 4 Power failure li atico irte e nt mt nds 1 2 1 1 5 Calendar Data Analysis software 1 2 1 1 6 Service personnel s training requirements 1 2 12 JAbontthis THAHUSL 1 3 1224 e e e dote 1 3 1 2 2 Intended audiences oe erre eee et redde 1 3 1 25 1 3 2 Maintenance instructions 2 1 2d mem eoe y a e once 2 1 EN 2 1 225 tm eae Eee ied 2 2 2 22 Safety precautions sette i E e EE B e RS 2 3 2 2 3 Service record Z a dci 2 3 2 2 4 Inspection equipment and tools 2 3 2 2 5 Replacement parts une das 2 3 2 5 2 4 2 3 1 Verifying the components and the installed software 2 4 2 3 2 enint eh
96. PV 403 in the file directory struc ture select Calibration click Install and follow the on screen instructions PGD Menu 2 1 Contents 030410 DS powercord to the 403 and calibration gag Help device tif arr i Read me ws 8 2 J Acrobat Reader 8 2 LabVIEW RunTime F J 8 2 100 fy 101 102 8 21 401 403 5 23 IMP2 Requires password from 403 service manual Requires LabVIEW runtime V6 Type Calibration Operating System Windows 9x NT Installed Size 2 Fig 7 b Installing the calibration software Doc No 003313 En Issue R 1 BREAS MEDICAL 7 3 Pressure calibration and firmware upgrade PV 403 Service Manual 7 2 Starting the calibration After a calibration or upgrade always check the patient settings of the ventila tor 7 2 1 Requirements Follow the requirements below when calibrating the pressure sensor ventilator run for approximately 30 minutes before you start the calibration The PV 403 should be at normal working temperature when the calibration is per formed e Keep the power cord of the PV 403 connected to the mains power during the cali bration 7 2 2 Starting the calibration 1 Connect a patient circuit with a test lung to the PV 403 2 Connectthe pressure reference manometer manual calibration or the Thommen digital manometer manual or automatic calibration to the PV 403 3 Connect the PV 403 and
97. RM OPEN RELAY 42 SCHEMATIC CLOSED OR PCB 1 0 BOARD B CLOSED 10 K Filename _ A312 8 37 BREAS MEDICAL Issue R 1 Doc No 003313 En PV 403 Service Manual board rev 2 art no 002430 ircuit diagram Electronics 8 16 7 C Issue R 1 Doc No 003313 En BREAS MEDICAL RB R9 cs 10K 1K VRI RXE 040 R7 ors 21 5 s RI 1 N 47R amp CN1 25 DSUB c 7 500R R11 ot aoe 5 x HEADER 100 5 2 2x10 A y 8 2 1 N gt 5 3 R13 1 2 gt 0 7 5 9 0 O a 2 47R 5 o ANALOGI LN Y 5 o Far R6 40 0 ANALOG 9 H 95 9 NALOG2 GND OUTPUT 14 11 5 935 s 12 970 16 13 0 4 2 15 9197 VR2 JE 1 160 0 9 28
98. STRAIGHT 1 U1 IC SOCKET 1 BATTERY 4 8 V 70 mAh 1 C1 2 CAPACITOR 15 pF NPO 2 C12 Not to be mounted 1 4 7 9 10 11 X7R 6 5 CAPACITOR 10 LE 16 V 1 C6 CAPACITOR TANTALUM uF 20 V 1 C8 CAPACITOR 100 50 V CV AX 1 CNI HEADER CONNECTOR 2 x 13 POLE EJECTOR 1 CN2 FEMALE RECEPTABLE 1 x 20 POLE STRAIGHT 1 CN3 HEADER CONNECTOR 2 x 8 POLE EJECTOR 1 CN4 MALE POST HEADER 1 x 5 POLE STRAIGHT 1 D2 4 15 DIODE 585 4 D5 14 DIODE BAS32 10 01 3 12 TRANSISTOR BC808 25 11 Q2 TRANSISTOR BC817 40 1 8 38 41 43 RESISTOR 10K 1 12 R21 28 35 47 RESISTOR 100R 1 10 R29 30 32 40 RESISTOR 2K2 1 4 R31 RESISTOR 10R 1 1 R33 RESISTOR 1 1 R34 RESISTOR 470R 196 1 R36 RESISTOR 220R 1 1 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Electronics Reference Description Quantity R37 RESISTOR 47R 4W 5 1 R39 RESISTOR 3 91 1 R44 RESISTOR 330K 1 1 R45 RESISTOR 220K 1 1 46 RESISTOR 33K 1 1 9 20 RESISTOR 15 1 12 TS1 RESISTOR NTC 15K 1 TS2 RESISTOR NTC 15 1 U1 PIC16F877 201 L 1 U2 IC ULN2003 1 U3 4 IC 4051 2 US IC ICL7662CBA 1 06 7805 1 X3 MALE POST HEADER 1 x 2 POLE STRAIGHT 1 XTAL 8 MHz 1 Doc No 003313 Issue R 1 BREAS MEDICAL 8 55 Electronics 8 18 2 List of components Alarm board rev 5 PV 403 Service Manual
99. TA Fig 2 c __ 5 exhalation valve 2 10 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Maintenance instructions 2 6 13 Cleaning the PEEP valve adapter The PEEP valve adapter should be cleaned in accordance with the clinic s instructions To clean the PEEP valve adapter 1 Remove the plastic nut A holding the valve adapter 2 Pullthe PEEP valve adapter B up from the exhalation valve 3 Clean the adapter using a damp cloth If the adapter need to be disinfected this can be done in a bath of Virkon or Lysetol Med for instance Then rinse the parts well in clear water and dry them thoroughly The adapter can be autoclaved at 126 C for 15 min This treatment can be repeated up to 20 times 4 Before fitting the adapter cover remove the old O ring C from the exhalation valve and fit a new O ring as shown in the figure below 5 Fitthe PEEP valve adapter to the exhalation valve and screw on the plastic nut Do not fit the O ring to the exhalation valve cover before screwing it on see fig ure below Fig 2 d Fitting the O ring to the exhalation valve Doc No 003313 En Issue R 1 BREAS MEDICAL 2 11 Maintenance instructions PV 403 Service Manual 2 6 14 Inspecting the ventilator accessories Check any other accessories that are used with the ventilator 2 6 15 Changing washing the patient filters 1 Change the white air filter Make sure th
100. alculated based on the pulse number that 15 registered after each patient breath U8 processor starts running as soon as the PV 403 is connected to the mains even if the ventilator is switched off thereby enabling the processor to control the battery charg ing Moreover the communication via RS232 works with the ventilator being switched off and connected to the mains Doc No 003313 En Issue R 1 BREAS MEDICAL 8 9 Electronics PV 403 Service Manual 8 10 Power supply components The power supply components consist of one switch mode power supply for 100 240 AC one DC input for the 12 or 24V DC battery supply one 24V DC input for the inter nal battery and one DC DC converter The mains current is led in at CNI rectified at BR1 and pulse modified at TR2 and Q7 After TR2 the current is rectified via 015 The voltage at TP1 should be approximately 30V DC U8 processor measures all the input voltages mains external battery internal bat tery and selects the proper power supply by opening Q12 Q13 or Q21 The voltage that the processor selects is labelled U The internal converter consisting of Q15 L3 and 010 etc adjusts the U voltage to 23 6 VM Ventilator switch on The following occurs when you switch on the ventilator The U1 processor on the alarm board registers the On Off button being pressed The processor starts and sends a command after 2 seconds to the U8 processor on the CPU bo
101. all the levels are checked If any pressure is incorrect you must perform a calibration with the PV 403 calibra tion software Set pressure Measured on Displayed on mbar manometer G2 patient pressure meter 01 6 10 15 20 30 40 50 7 g Example of a table for verifying manual adjustment Doc No 003313 En Issue R 1 BREAS MEDICAL 7 9 Pressure calibration and firmware upgrade PV 403 Service Manual 7 4 7 4 1 7 10 Automatic adjustment A Thommen calibration device can be used to automate the entire calibration process Starting the automatic adjustment 1 Start the PV 403 calibration software see section 7 2 2 Select the Automatic tab from the Adjust pressure PV 403 window E Adjust pressure P 403 This mode requires a RS 232 connected digital manometer Press Auto and wait until the adjustment process is finished 7 h Adjust pressure PV 403 window Automatic tab 3 Click the Auto button You will be able to follow the entire calibration process on screen Adjust Pressure Sensors G1 G2 15 A mbar 55 s Fig 7 Adjust Pressure Sensors window After the adjustment is completed the message Adjustment successful is displayed BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Pressure calibration and firmware upgrade 7 4 2 Verifying the automatic adjustment 1 Click the Verify butto
102. ard The U8 processor returns a proceed command and the ventilator is switched on If no mains power is connected to the ventilator when you press the On Off button the input connectors to the internal and external batteries will open so that the U8 processor will be able to start Ventilator switch off The following occurs when you switch off the ventilator The U1 processor on the alarm board registers the On Off button being pressed and sends a shutdown command to the U8 processor that saves the necessary data to the non volatile RAM The U8 processor then sends a shutdown code to the U1 alarm board processor which switches off the ventilator BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Electronics 8 6 5 PGC Pressure Gauge Card board The PGC board contains the two pressure sensors two magnetic valves the input con nector for the internal battery and the battery charger The pressure sensor supervises and displays the patient pressure The G2 pressure sensor is used for regulating the pressure in the PCV and PSV modes The MV1 magnetic valve is used for the calibration of the zero pressure level of the G1 sensor When the trigger function of the ventilator is activated the G1 sensor is automati cally calibrated between each patient breath The MV2 magnetic valve works as a safety valve for the high pressure alarm The battery charger uses a current of approximately 350 mA to charge the batter
103. are designed and how they are connected to the other components MEMBRANE SWITCHES MOTOR CONTROL LCD DISPLAY MOTOR gt LED INDICATORS AC RECTIFIER POWER CONTROL CONTROL LOGIC 2 ALARM Y BATTERY ROOM AIR IN PEEP COMPRESSOR MECHANICAL LINK ELECTRICAL LINK PNEUMATIC LINK PRESSURE REF SENSOR PRESSURE PRESSURE METER REF PRESSURE gt PRESSURE SENSOR SOLENOID PRESSURE 1 DUMP SENSOR PRESSURE EXHALATION PATIENT AIR 4 b Functional block diagram PV 403 PEEP 4 2 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Functional diagrams 4 3 Pneumatic diagram PV 403 The pneumatic diagram below shows the pneumatic components of the air circulation of the PV 403 Magnetic valve MV1 MV2 Example 1 Non powered Example 2 Powered 10 Green 44 Fig 4 c Pneumatic diagram PV 403 The table below describes the components of the pneumatic diagram No Component 1 Patient air inlet through air filter 2 Bellows 3 Check valve closed during inspiration 4 Check valve closed during expiration 5 Magnetic valve MV 1 Normally set as in example 1 Switches off G1 during auto cali bration as shown in example 2 6 Magnetic valve MV 2 Normally
104. at the bellows has not worked loose from its end covers Check that the bellows clamps properly tightened 4 Connectthe mains power supply or an external 24 V battery and switch on the ven tilator 5 Connect the patient circuit to a test lung reservoir bag 6 Set the following parameters Pressure 40 mbar Rate 6 BPM Insp time 5 0 seconds Mode PCV 6 8 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Motor assembly Test lung Reservoir bag PV 403 MV2 lt Cm MW J Fig 6 h Leakage check of tubes and bellows 7 Check that the motor stops when the pressure has reached 40 mbar If there are any leaks the motor will continue to work to compensate for the air lost The slotted disc stops rotating when the inspiration phase has reached 40 mbar Fig 6 i Slotted disc 6 6 2 With closed ventilator casing 1 Adjust the setting as described in section 6 6 1 2 Block the patient air outlet and the exhalation air outlet 3 The tidal volume should now indicate 0 10 litres or less If the tidal volume is higher than 0 10 litres there is a leak Doc No 003313 En Issue R 1 BREAS MEDICAL 6 9 Motor assembly PV 403 Service Manual 6 7 Replacing the ball screw assembly 1 Remove the motor assembly see section 5 11 2 Remove the two screws holding the optoswitch bracket to the motor
105. bearing twin race angled contact bearing 000598 Screw MRT 4 x 10 Fzb 000599 Screw MRT 4 x 10 black chromate 000606 Fuse F 3 15 000612 Nut with lock washer M3 Fzb BN 1364 000636 Cable strap 8 000637 Cable strap 4 000640 Y connector 000654 Washer M6 flat washer BRB 6 4 Fzb 000677 Nut M6M steel NV7 x 3 2 Fzb 000688 Washer M3 flat washer BRB 3 2 x 6 x 0 5 Fzb 000689 M3 nut 000706 Strain relief for cable mains 000768 Stop screw x 5 000776 Screw VS steel 4 x 12 Fzb 000784 Grease 283 AZ 000813 Box 510 x 390 x 290 001053 Silicon tube 30 mm red 001133 Screw MRT 4 x 14 black chromate 001400 Casing upper Doc No 003313 En Issue R 1 BREAS MEDICAL 3 9 Parts location 3 10 PV 403 Service Manual Part no Definition 001401 Casing lower 001402 Outlet patient air 001403 Cover over filter cassette 001404 Valve back seat 001405 Filter cassette 001407 Fixed end PV 403 001408 Cover air channel 001409 Bellows PV 403 001419 Moving bellows end cover mould injected 001428 Filter washable 001437 Label patient air outlet 001438 Screw insert threaded Spreadsert 1 001439 Screw M5 insert threaded Spreadsert 1 001440 O ring 37 0 x 2 0 001442 O ring 28 0 x 1 3 EPDM 001445 Filter coarse disposable 001458 Tube blue 2 5 x 6 125 mm silicon 001459
106. board in the reverse order A am Fig 5 d Removing the CPU Board 5 4 BREAS MEDICAL Doc No 003313 En Issue R 1 403 Service Manual Removing and replacing the main components 5 5 Installing the internal battery kit accessory If an internal battery is installed and both the mains and external battery supplies fail or get disconnected the ventilator will automatically switch to the internal backup battery supply 5 5 1 Internal battery kit The internal battery accessory kit contains a complete internal battery pack m The PV 403 Operating Manual contains more information on the internal battery accessory kit 5 5 2 Internal battery operation Battery operation is indicated as follows The LED of the On Off button on the settings panel shows a flashing green light the Power field on the LCD display the letter internal battery is displayed e short audible alarm sounds if the PV 403 switches to the only available backup power supply The internal battery pack will last for a total operating time of e atleast 60 minutes with the rate and the pressure set to the highest possible setting at least 2 hours with normal settings the pressure set to 20 mbar the rate to 12 breaths per minute and the inspiration time set to 1 5 seconds Doc No 003313 En Issue R 1 BREAS MEDICAL 5 5 Removing and replacing the main components PV 403 Service Manual 5 5 3 Installing the internal battery
107. branes in both check valves 05 Electronics Power supply 257 2 eee Calibrate pressure sensors RE Check internal external battery operation 8 9 8 10 Check if alarm clock batteries need replacing 811812 After reassembly Check electrical safety levels 815 Test motor assembly and tubes for leaks 66 ka Continued on next page Doc No 003313 En Issue R 1 BREAS MEDICAL 10 3 Service manual PV 403 Final checks before handing over Function check 261 Check low pressure leakage alarm 262 Check low volume alarm 263 Check alarm mute 264 Check trigger function 265 hL Check pressure rate 266 Check tidal volume indication 267 4 Check tidal volume VCV 268 OONA Check internal battery operation 2 6 00 1 2 Check external battery operation 209 Check accessories where applicable 2614 Replace wash patient filters 26 15 Adjust settings for patient 26 16 Notes 10 4 BREAS MEDICAL Doc No 003313 En Issue R 1 Service manual PV 403 Appendices 10 3 Returning products to BREAS You may need to return the ventilator or any components or accessories to BREAS for example for service warranty upgrade or repair If so follow the instructions below to ensure that the correct action is taken and to avoid unnecessary delays 1 the product in its original packagin
108. ct the power cord and check that the audible alarm stops the On Off button LED shows a steady light the letter M is displayed in the Power field 2 6 10 Checking internal battery operation 1 2 3 Disconnect any external battery from the ventilator Disconnect the power cord while the ventilator is running Check that the ventilator automatically switches over to internal battery operation The following should occur an audible alarm sounds the On Off button LED start flashing the letter 115 displayed in the Power field Reconnect the power cord and check that the audible alarm stops the On Off button LED shows a steady light the letter M is displayed in the Power field 2 6 11 Inspecting the patient circuit Inspect the patient circuit and replace it if necessary Doc No 003313 En Issue R 1 BREAS MEDICAL 2 9 Maintenance instructions PV 403 Service Manual 2 6 12 Replacing the membrane assembly in the exhalation valve 1 Unscrew the complete membrane assembly 2 Clean the inside of the exhalation valve using a damp cloth clean the valve in accordance with any local regulations 3 Carefully fit the new membrane assembly Make sure that it seats properly in the groove 4 Connectthe exhalation valve to a test lung Check that no leakage occurs during the exhalation phase dn Nw 2 3 BEEN 5 1 ac i 0 E c TN J
109. d 2 6 4 CN3 4 cna CE SS tek CN3 e I 220R HALLI R50 CN3 7 2 8 lt ENCOD1 C110 57 CN3 8 10k 100n 7 5 5 5 2 5 Breas Medical F 5 4 ono 8 gt 2 Number SCHEMATIC Rev 8655 5 5 LM358Y t r6e T 4 4 4 57 Drawn by L Hammeltz Date 01 10 26 Filename 00403 R6E SCH Sheet 3 of 5 8 29 BREAS MEDICAL Issue R 1 Doc No 003313 En PV 403 Service Manual Electronics 4 it diagram no ircu rev 6bE c CPU board STYR_MUX1
110. d rev 8 77 8 18 10 List of components Push button membrane panel 8 79 8 18 11 List of components Rear panel sese 8 80 8 18 12 List of components Cables 8 81 AAA 9 1 91 Baulttraeme table sorteo crei Ene Peas RUNDE As 9 92 Error COURSE A ud d s Tu 9 2 9 2 1 Reading the error codes ss 9 2 9 272 etd He UR ua oi 9 3 10 1 10 1 Engineering change history stan e os m privi Url Des ere ig 10 2 10 2 Service record BREAS 403 ventilator 10 3 10 3 Returning products to BREAS sse 10 5 Doc No 003313 Issue R 1 BREAS MEDICAL ToC 5 Table of contents Table of contents PV 403 Service Manual 10 4 Delivery report BREAS 403 ventilator 10 7 11 PV 403 SIMV Operating Manual 12 PV 403 PEEP Operating Manual ToC 6 BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Introduction 1 1 1 1 1 1 Introduction This chapter gives an overview of the PV 403 ventilator and the service manual WARNING This product must be subjected to regular service maintenance and control and any applicable upgrades in accordance with BREAS service instructions repaired and o
111. dow is displayed below gt Adjust pressure P 403 xj Setup Manual Automatic Current temperature 1 Connect a patient circuit with a test lung P N 001917 31 C 2 Connect a manometer on the airway pressure line with Y piece P N 000640 See picture on main window Pressure sensors Scale 7 3 Select tab Manual or Automatic and follow the instructions Main window 7 d Adjust pressure 403 window Setup tab The Adjust pressure PV 403 window consists of the following items Window items Description Setup tab Used for displaying the initial calibration instructions Manual tab Used for manually adjusting the PV 403 Includes user controls for the G1 and G2 pressure sensors Automatic tab Used for automatically adjusting the PV 403 Current temperature field Used for displaying the actual working temperature of the PV 403 Pressure indicator panel Pressure meter and fields used for displaying the measured values of the G1 sensor red the G2 sensor blue and the manometer black Scale button Used for changing the display of the pressure meter The following options can be selected from the drop down list 0 60 mbar 35 45 mbar for detailed display of the 40 mbar pressure range Main window button Used for saving the settings and returning to the main window BREAS MEDICAL Doc No 003313 En Issue R 1 PV
112. e 2 6 Magnetic valve MV 2 Normally set as in example 2 Safety valve operates when pres sure is too high as shown in example 2 7 Pressure sensor 8 Pressure sensor G2 9 Control pressure tube for the exhalation valve 10 Patient air tube 11 Tube for measuring the pressure 12 Exhalation valve 13 Bacteria filter if used 14 Pressure sensor G3 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Functional diagrams No Component 15 Magnetic valve MV 3 Normally set as in example 1 Switches off G3 during auto cali bration as shown in example 2 16 PEEP compressor Doc No 003313 En Issue R 1 BREAS MEDICAL 4 5 Functional diagrams BREAS MEDICAL PV 403 Service Manual Doc No 003313 En Issue R 1 PV 403 Service Manual Removing and replacing the main components 5 Removing and replacing the main components This chapter describes how to install remove and or replace the main components of the PV 403 5 1 Removing the upper casing 1 Remove the power cord 2 Remove the two screws with a Torx T20 key under the carrying handle Remove the screw underneath the ventilator front 3 Remove the upper casing and disconnect the ribbon cable from the CPU board Fig 5 a Removing the upper casing Doc No 003313 En Issue R 1 BREAS MEDICAL 5 1 Removing and replacing the main components PV 403 Service Manual 5 2 Removing and replacing t
113. e U1 processor enabling an audible alarm to sound and the red Power LED to be lit A temperature sensor TS1 or TS2 automatically adjusts the contrast of the LCD dis play Fig 8 c Alarm board 8 8 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Electronics 8 6 4 CPU board The CPU board has three main functions the power supply the motor drive circuit and the microprocessor master processor The program of the U8 master processor is stored in the U7 PROM Fig 8 CPU board The U8 processor U8 processor serves as a sensor for the push buttons and stores all the settings in the U6 PROM The settings are displayed on the LCD display by the microprocessor on the alarm board The U8 processor also controls all the alarm functions of the ventilator for example the high and low pressure alarms the high and low tidal volume alarms and the low bat tery voltage alarm The U8 processor controls the motor by using among other components the transistors Q2 Q3 04 motor coil 1 etc the motor encoder and the pressure sensors on the PGC board and by measuring the motor current through R35 The motor optical sensor registers the home position of the moving bellows end cover The optical sensor counts the number of pulses from the encoder disc of the motor shaft and calculates the number of motor revolutions and the movement of the bellow The tidal volume shown on the LCD display is c
114. e alarm 1 Set the low volume limit to a value that is higher than the volume of the test lung reservoir bag 2 Check that the Volume alarm LED is lit and that an audible alarm sounds Checking the alarm mute 1 Switch on the ventilator Do not connect anything to the patient air connection Wait for 15 seconds until the volume alarm is activated 2 Press the Mute button and make sure the signal is muted Make sure the signal starts again after approximately 2 minutes Checking the trigger 1 Set the trigger to 0 5 mbar 2 Create a negative pressure and make sure a triggered breath is given The green Insp Trig LED should be lit Checking the pressure rate 1 Adjust the settings as follows Pressure 20 mbar Rate 10 BPM Insp time 3 0 seconds Mode PCV Doc No 003313 En Issue R 1 BREAS MEDICAL 2 7 Maintenance instructions PV 403 Service Manual 2 Measure and check that the pressure rate and inspiration time are correct accu racy 10 The measuring should be done with a test lung or a reservoir bag con nected if these are not available block the exhalation valve in the patient circuit Test lung Reservoir bag or Ventilator tester 9 PEEP valve connector Volume monitor Fig 2 a Checking the pressure and the rate 2 6 7 Checking the tidal volume indication If you use a Biotek VT 1 or 2 ventilator tester you can test the estimated tidal volume as fo
115. e erbe e er e 2 4 2 3 3 Checking additional services 2 2022400 200040000002000000000000000000000000 44 2 4 2 3 4 Inspecting the markings kiro 2 4 2 3 5 Information from the patient user sees 2 5 2 3 6 X Validity of the documentation sse eee 2 5 2A Ispection usu uu eee er otto tute 2 5 24 1 Visual inspection for external damage and wear 2 5 242 Checking the power connection 2 5 243 Minimum function check 2 5 25 nternal inspection Dv aou A 2 6 2 5 1 Cleaning the inside of the ventilator 2 6 2 5 2 Checking the cables y cedat edet ti 2 6 2 5 3 Checking the fastening of components 2 6 2 5 4 Replacing the drive 2 6 2 5 5 Lubricating the ball Screw tonne lentement 2 6 2 5 6 Replacing the membrane assemblies in the check valves 2 6 2 5 7 Checking the power supply 2 6 2 5 8 Calibrating the pressure sensors 2 6 2 3 9 R assembling the rr 2 6 003313 Issue 1 BREAS MEDICAL ToC 1 Table of contents PV 403 Service Manual 2 5 10 Electrical safety edet e re ide itas 2 6 2 5 11 Testing
116. e for Su PV 403 PEEP 2 2 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Maintenance instructions 2 2 2 2 2 3 2 2 4 2 2 5 Safety precautions Follow the safety precautions below when working with the PV 403 Do not work on the ventilator with the casing removed and the power supply con nected unless the instructions in this manual clearly says so Always use caution when working with the ventilator connected to the mains and the casing removed Do not use explosive gases and or fluids near the ventilator Make sure that all precautions to prevent electrostatic discharge ESD have been taken Follow all regulations regarding ESD The PV 403 Operating Manual contains an extended list of safety precautions Service record The BREAS service record is in chapter 10 Appendices section 10 2 Copy the service record and use it for noting the service checks while performing the yearly service Inspection equipment and tools Before starting the service of the PV 403 make sure you have the following equipment at hand Test lung or reservoir bag for example BREAS part no 001917 Measuring instrument for tidal volume and minute volume rate Biotek ventilator tester Timeter spirometer or equivalent Pressure manometer for example Thommen HM 28 digital manometer part no 001934 e Digital voltmeter Standard toolkit containing screwdrivers Allen keys Torx keys a
117. e in the patient circuit has to be leakage or water CHECK more than 5 mbar to get this fault TUBE 67 PEEP Pressure in patient circuit is 1 mbar higher 1 Replace exhalation valve PRESS than set PEEP for more than 15 seconds 2 Replace PGC board FAIL Doc No 003313 En Issue R 1 BREAS MEDICAL 9 7 Fault tracing PV 403 Service Manual 9 8 BREAS MEDICAL Doc No 003313 Issue R 1 Service manual PV 403 Appendices 10 Appendices Doc No 003313 En Issue R 1 BREAS MEDICAL 10 1 Appendices Service manual PV 403 10 1 Engineering change history The table below lists by serial number the engineering changes made to the PV 403 From Changes serial number F32000 Production start F45000 Software change MCI SAN On Off function modified F45224 C11 changed to 220 pF on CPU board F49227 New board revisions compatible with former boards CPU board revision 5 PGC board revision 4 alarm board revision 4 No functional changes F50285 Software change MCL SAN On Off button and Mute button not locked when keyboard is locked N03080 New CPU board revision 5C N05428 Software change MCU SAP Modified tolerance for error code detection Alarm board with new reset circuit N27144 New CPU board revision 6B New Alarm board revision 5 N34071 Software change SBC P360431 Software change MDN R070000 Available with option PEEP For PV 403 PEEP the following changes was made New CPU board revision 7B N
118. e main components PV 403 Service Manual 5 7 Removing and replacing the PEEP compressor Remove the upper casing see section 5 1 Remove the CPU board see section 5 4 Detach the hose from the PEEP compressor Disconnect the connector from the PGC board Lift out the PEEP compressor Reassemble in the reverse order N 5 9 Removing the PEEP connector 5 8 BREAS MEDICAL Doc No 003313 En Issue R 1 07 xx dn 7061 Removing and replacing the main components PV 403 Service Manual 5 8 Location of the air tubes This figure shows the location of the air tubes 1216 659 V 7 7 e0920 ena G ZOZ 200 95 IVOIGAW 5 LOZA CI lt SV3 lH NC uses gpt 7206 06 ongG Oz 89 91 06 7 usa16 60 99 04 200 1 N N N N pea sal pe 5290 7204 601 6202 x X esoe s xz 0r9 810 pay 6906 BREAS MEDICAL Issue R 1 Doc No 003313 En Removing a
119. e patient has enough filters to last until the next service 2 Washor change the grey filter if necessary 2 6 16 Adjusting the settings for the patient e Adjust the settings as prescribed for the patient 2 12 BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Parts location 3 Parts location This chapter contains part number lists and drawings of the parts for the ventilator Doc No 003313 En Issue R 1 BREAS MEDICAL 3 1 PV 403 Service Manual Parts location Parts drawing 1 Main components 3 1 The figure below shows the main components of the PV 403 Issue R 1 Doc No 003313 En BREAS MEDICAL PV 403 Service Manual The table below lists the main components of the ventilator Parts location No Description 1 Panel label 2 Membrane push button pad 3 Upper casing 4 LCD display 5 Alarm board 6 CPU board ah Motor assembly complete 8 Input Output board 9 PEEP compressor only in PV 403 PEEP 10 PGC Pressure Gauge Card board Doc No 003313 En Issue R 1 BREAS MEDICAL Parts location PV 403 Service Manual 3 2 Parts drawing 2 Motor circuit boards and transformer For definitions of the part numbers refer to the parts list in section 3 6 lt gt a er c ca BREAS MEDICAL AB 576 2x 3048 _ 3057 replaces 1904 3058
120. ent location guides etc BREAS Medical reserves the right to make changes to the products and or the contents of this manual without any prior notice Intended audience This service manual is intended for service technicians who have medical technical training and who have a good knowledge of the construction and function of respiratory devices m The service manual is NOT intended for clinical personnel or patients who will find all the information they need in the PV 403 Operating Manual Icons In this manual icons are used to highlight specific information The meaning of each icon is explained in the table below ICON EXPLANATION Warning Risk of death and serious personal injury Caution Risk of minor or moderate injury Risk of equipment damage loss of data extra work or unexpected results Note Information that may be valuable but is not of critical importance tips Reference Reference to other manuals with additional information on a specific topic GG OB Doc No 003313 En Issue R 1 BREAS MEDICAL 1 3 Introduction PV 403 Service Manual 1 4 BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Maintenance instructions 2 2 1 2 2 Maintenance instructions This chapter describes all the routine maintenance checks and additional service instruc tions for the PV 403 WARNING This product must be subjected to regular service maintenance and cont
121. eplacing the check valve membrane in the patient air outlet 1 a N ON Disconnect the white and green tubes from their connectors behind the patient air outlet moulding Remove the two screws 1 from the front panel Remove the panel overlay 2 Remove the screw 3 that holds the patient air outlet Pull out the patient air outlet assembly Press out the plastic valve seat and membrane using a suitable tool for example an 8 mm socket to protect the plastic centre pin Wipe the membrane seat clean using a damp cloth Carefully fit the new membrane Make sure that the new membrane lies flat against its seat Fit a new O ring 4 to the tube connector and screw it back in place Reassemble in the reverse order Do not forget to fit the new O ring 5 and rubber seal 6 Perform a leakage check to confirm that the check valves function correctly Fig 6 f Replacing the membrane in the patient air check valve Doc No 003313 En Issue R 1 BREAS MEDICAL 6 7 Motor assembly PV 403 Service Manual 6 6 Testing for leakage from the tubes and bellows 6 6 1 With open ventilator casing 1 Open the upper casing so that you can access the settings panel see Fig 6 b The ribbon cable to the CPU board must remain connected Make sure the home position optoswitch is not exposed to bright light when the ventilator casing is open see figure below Optoswitch 6 0 Opening the upper casing 2 Check th
122. ew PGC board revision 6B New Firmware MPA SBD BREAS MEDICAL Doc No 003313 En Issue R 1 Service manual 403 Appendices 10 2 Service record BREAS PV 403 ventilator Use a photocopy of this service record for the maintenance inspection described in chapter 2 Maintenance instructions of this service manual Use the reverse side for comments and notes Service record no Model Serial no Inventory M mE Delivery date Operating ee ne net brine Service started sepul E Service completed Product returned A OA General See instruction ref Check OK Open new service record and identify ventilator 232 Note number of operating hours 233 Check all markings 234 ns Check information from user 5 00 Check validity of documentation 236 External checks Inspect for external damage and wear 2 4 4 Check power connection 242 Perform minimum function check 243 Internal checks Clean inside of ventilator 25 aca Check cabling 252 0 Check fastening of components 25 3 Motor assembly Check if motor assembly needs replacing after 20 000 operating hours 5 11 5 12 Replace drive belt 63 9 Lubricate ball screw 64 Replace mem
123. ews nearest to the cassette a little so that the cassette can be easily pulled out Reconnect the internal battery pack if installed see section 5 5 3 10 Start the ventilator and run a function test before putting it back into use Fig 5 k Fitting the silicon rubber seals before assembly Doc No 003313 En Issue R 1 BREAS MEDICAL 5 13 Removing and replacing the main components PV 403 Service Manual 5 14 BREAS MEDICAL Doc No 003313 Issue R 1 403 Service Manual Motor assembly 6 Motor assembly This chapter describes the main components of the motor assembly and how to service and maintain it Doc No 003313 En Issue R 1 BREAS MEDICAL 6 1 PV 403 Service Manual Motor assembly 6 1 2 Main components of the motor assembly The figure below shows the main components of the motor assembly 3 4 5 6 78 13 12 11 Fig 6 a 403 motor assembly The table below lists the main components of the motor assembly No Description Bellows Bellows clamp upper steel Bellows top cover Ball screw Optoswitch Optoswitch bracket Slotted disc Encoder 9 0 D Bellows clamp lower steel Bellows bottom cover Driving belt pulley Driving belt BREAS MEDICAL Doc No 003313 En Issue R 1 PV 40
124. for leakage of the tubes and bellows 2 7 2 07 Final MSPS CHOU 2 7 oett tee dd 2 7 2 6 2 Checking the leakage alarm for low pressure 2 7 2 6 3 Checking the low volume alarm 2 7 2 6 4 Checking the alarm mute eene 2 7 2 6 5 Checking the trigger ss 2 7 2 6 6 Checking the pressure rate ss 2 7 2 6 7 Checking the tidal volume indication 2 8 2 6 8 Checking the tidal volume mode 2 9 2 6 9 Checking external battery operation 2 9 2 6 10 Checking internal battery operation 2 9 2 6 11 Inspecting the patient circuit ener 2 9 2 6 12 Replacing the membrane assembly in the exhalation valve 2 10 2 6 13 Cleaning the PEEP valve adapter 2 11 2 6 14 Inspecting the ventilator accessories 0000 a 2 12 2 6 15 Changing washing the patient 2 0 2110 0 2 12 2 6 16 Adjusting the settings for the 2 12 3 Parts location eet 3 1 3 1 Parts drawing 1 Main components 3 2 3 2 Parts drawing 2 Motor circuit boards and
125. g If this is not available pack the product in packaging suitable for transporting it to BREAS 2 Photocopy the delivery report on the next page 3 out the framed customer part of the service report and pack it together with the product to be returned The service report will be completed by BREAS and returned with the product Product damage caused by poor packaging or during transport is not covered by the factory warranty Doc No 003313 En Issue R 1 BREAS MEDICAL 10 5 Service manual PV 403 10 6 BREAS MEDICAL Doc No 003313 Issue R 1 Service manual PV 403 Appendices 10 4 Delivery report BREAS PV 403 ventilator Customer information Customer name PHONG 7 ann Model Serial Operating hours Continued on next page Doc No 003313 En Issue R 1 BREAS MEDICAL 10 7 Service manual PV 403 Date received by Signature Repair Warranty Update Charge Other Action taken Parts used Pcs Price Running hours from 5 h Date returned to Signature Notes 10 8 BREAS MEDICAL Doc No 00331
126. he push button panel 1 Remove the upper casing see section 5 1 2 Remove the alarm board see section 5 3 3 Startto loosen the push button membrane panel and label as one unit by carefully raising it up from underneath the opening in the casing for the LCD display Con tinue to work the panel loose carefully until it can be removed 4 Reassemble in the reverse order 5 b Removing the label and push button panel BREAS MEDICAL Doc No 003313 En Issue R 1 403 Service Manual Removing and replacing the main components 5 3 Removing and replacing the alarm board 1 Remove the upper casing see section 5 1 2 Disconnect the ribbon cable from the push button membrane panel 3 Remove the three screws that hold the alarm board and remove it 4 Reassemble the new alarm board in the reverse order Fig 5 c Removing the alarm board from the upper casing Doc No 003313 En Issue R 1 BREAS MEDICAL Removing and replacing the main components PV 403 Service Manual 5 4 Removing and replacing the CPU board Always disconnect the ventilator from the mains when working with the CPU board 1 Remove the upper casing see section 5 1 2 Disconnect all the ribbon cable connectors the CN4 connector from the external battery the CN1 connector from the mains inlet and the CN2 and CN3 connectors from the motor assembly 3 Remove the three screws holding the CPU board Lift out the CPU board 5 Reassemble the new CPU
127. he ventilator as follows Pressure 6 mbar Rate 6 BPM Insp time 5 0 seconds Plateau 9 Mode PCV The pressure 6 mbar is now selected in the Set pressure field Make sure that the G1 pressure displayed on the pressure gauge of the ventilator stabilises at 6 mbar 1 mbar If not use the slider or the field below to adjust the G1 settings on screen Change the pressure in the Set pressure field to 40 mbar Make sure that the G1 pressure displayed on the pressure gauge stabilises at 40 mbar 1 mbar If not adjust the G1 settings on screen After adjustment proceed with section 7 3 4 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Pressure calibration and firmware upgrade 7 3 4 Verifying the calibration of the pressure sensors 1 N Fig 7 f The verifying process Test lung Manometer Reservoir bag or Ventilator tester mbar Connect the manometer to the air outlet of the PV 403 Start the ventilator Set the settings parameters of the ventilator as follows Pressure 6 mbar Rate 6 BPM Insp time 5 0 seconds Plateau 9 Mode PCV Check that the pressure on the manometer is 6 mbar The pressure should be within the tolerance range of 1 mbar Check that the pressure on the patient pressure meter is 6 mbar The pressure should be within the tolerance range of 1 mbar Repeat this procedure for 10 15 20 30 40 and 50 mbar until
128. if applicable the calibration device to the COM ports on the PC as shown in the photograph in the main window see below 4 Ifapplicable start the calibration device 5 Startthe calibration program from the Start menu in Windows by selecting Programs gt BreasMedical gt 403 Calibration 6 Ifthis is the first time you are using the calibration software enter the password 54312 The main window is displayed see below 7 4 BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Pressure calibration and firmware upgrade gt P 403 Calibration Software v1 12 Connect serial cable and powercord to the PV403 Select port and calibration device if any Fig 7 c PV 403 calibration software main window 7 Select the COM port to be used for the connection between the PC and the PV 403 8 Ifapplicable select the COM port to be used for the connection to the calibration device If you select a COM port number that is already use the program will terminate Select the type of calibration device to be used or select None manual calibration 10 Click the Adjust button The Setup tab of the Adjust pressure PV 403 window is displayed see section below 11 Proceed with manual or automatic adjustment see following sections Doc No 003313 En Issue R 1 BREAS MEDICAL 7 5 Pressure calibration and firmware upgrade PV 403 Service Manual 7 2 3 Adjust pressure PV 403 window The Adjust pressure PV 403 win
129. ins an error code memory that can store the last 20 error codes that have been generated These codes provide useful information when tracing faults or carrying out service work on the ventilator 9 2 1 Reading the error codes 1 Press and hold the button 2 Start the ventilator keeping the button pressed 3 The display will now show the message FAIL MEM PUSH FUNC TO SHOW 4 Press the Function button The latest error code stored is shown first The informa tion given is YEAR MONTH DAY HOUR MINUTE the text FAIL and the error code itself see below for explanations 5 Pressthe Function button to scroll back through the error codes to the earliest code stored After the last code has been displayed the message SHOW FAIL RDY is shown 6 Switch off the ventilator 9 2 BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual 9 2 2 Error code table The table below lists each error code and the corresponding text that is shown on the LCD display The problem is explained together with the action that is necessary to cor rect the problem Fault tracing If more than one action is listed the actions should be performed in the order in which they are listed For example if action no 1 does not solve the problem you should con tinue with action no 2 and so on See chapter 5 Removing and replacing the main components for information about how to replace the circuit boards Error Text on code
130. k 10k 9 soses 5Y ae BAS32 R6 Ves SS _ 2836 5 pH css 71 014 2 5V BTS 8 BCB08 5V BL 5V BAS32 08 R7 cs CPU BO RD 4 CH Y ella T5V 10k xe 913 XT 5 x5 inh ob 33333 Vee BC817 Mes 85222788087 5 J R5 V 98589 wan Y 100R erro 3 cR ma J ayo 0 55 RB2 57 82 T CN2 3 RO IREO RD AN5 RB1 36 C D2 x E HE mm Es E 5 RI R34 12 Wo vss 54 C io R10 R9 12 5 PIC16F877 RD7 PSP7 33 57 585 ie 5 OSC1 CLKIN RD6 PSP6 De x 8 Kt TER 470R 18 loscz cukour RD5 PsPB 25 1 So R12 R11 Y 18 RD4 PSP4 39 4 Rat 89 37 1 8 5 s 5 R22 100R 19 0 o TSR R14 158 2 rez SERPENT OS 57 T 25 9 CL e 89502202408 er 15R 15R 5 zas8szas8 S 2 2 us 6 Ju BERBRPPRPPRS v Ec e 100R 149 7 anole x R25 15 ae 15R gig 158 R17 8 PPRAARAS SINR ay 1888 189 19 s 2 12 Y amp R26 180 Jo est n 5 Ro 158 gig 158 XTAL1 RU 9 0 d 100uF 23 u R28 mis em ux H cea e p S Tem j 59000 25 100R 26 8MHz 27 Zot MN 3 8 5 8 R37 28 5V LH TOY Y i 1 3 47R 4W
131. lator will switch back to the external battery supply 8 8 3 Internal battery operation If a voltage drop occurs while running from an internal battery the ventilator will react as follows e Ifthe voltage drops to 22 7 V the ventilator will issue a low battery alarm and con tinue to run until the voltage drops to 21 6 V It will then issue a power failure alarm and switch off 8 8 4 Measuring the voltages Measure the voltages as follows 1 Measure the voltage at the external battery 2 Measure the internal battery voltage at the test points CN8 3 and CN8 16 GND on the CPU board 8 14 BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Electronics 8 9 Checking the internal battery 1 2 Make sure the battery is fully charged Set the parameters as follows Pressure 40 mbar Rate 20 BPM Insp time 3 0 seconds Mode PCV Connect a test lung and start the ventilator Measure the time it takes for the ventilator to issue an alarm indicating low battery voltage approximately 60 90 minutes Measure the time the ventilator continues running after the low battery alarm is issued approximately 5 minutes 8 10 Checking the external battery This check can only be performed without the internal battery being installed If an internal battery is installed the ventilator will automatically switch to the internal battery supply when the external battery voltage drops too low In such cases just check that the
132. lled Remove the upper casing see section 5 1 Remove the four 7 mm nuts 5 from underneath the PV 403 that hold the motor assembly Disconnect the CN 2 and CN 3 connectors Grip the motor assembly firmly and lift it straight up from the lower casing CN 2 9 pole CN 3 8 pole 5 UN 8 e e s 5 Fig 5 j Removing the motor assembly 5 12 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Removing and replacing the main components 5 12 Reassembling and replacing the motor assembly 1 9 Apply a little soapy water to the inside of the two seals and their corresponding connectors in the lower casing see figure Fig 5 k Carefully push the motor assembly into place At the same time check that the mounting bolts are aligned with their respective holes Fasten the motor assembly in place with the four 7 mm nuts see figure Fig 5 j Tighten crosswise using hand pressure Reconnect the CN 2 and CN 3 connectors see figure Fig 5 j Make sure that all the cabling is routed correctly before fitting the upper casing Fit the ribbon cable connector to the CPU board Fit the upper casing see section 5 1 Fasten with the screw behind the patient air outlet and with the two screws for the carrying handle Fit the five Torx screws that hold the base plate Fit the filter cassette If the filter cassette has a tight fit slacken the scr
133. llows 1 Set the compliance of the test lung to 0 02 l mbar 2 Select volume measuring 3 Setthe PV 403 as follows Pressure 30 mbar Rate 8 BPM Insp time 5 0 seconds Mode PCV 4 Check the accuracy 22095 If you check the tidal volume using a volume monitor you need an exhalation valve with a PEEP valve connector Connect the volume monitor to the PEEP valve outlet on the exhalation valve outlet Test lung Reservoir bag or Ventilator tester 9 Volume monitor Fig 2 6 Checking the tidal volume 2 8 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Maintenance instructions 2 6 8 Checking the tidal volume VCV mode This procedure is used for checking the tidal volume delivered in VCV mode 1 2 3 Set the compliance of the test lung to 0 05 l mbar Set the PV 403 as follows Tidal volume 0 81 Rate 8 BPM Insp time 2 0 seconds Mode VCV Check that the measured volume is 0 8 accuracy 10 2 6 9 Checking external battery operation 1 2 3 Connect an external battery to the ventilator Disconnect the power cord while the ventilator is running Check that the ventilator automatically switches over to external battery operation The following should occur an audible alarm sounds not if an internal battery is installed the On Off button LED starts flashing the letter E is displayed in the Power field Reconne
134. n in the main window The Verify pressure PV 403 window is displayed 2 Click the Start button to start the verification process You will be able to follow the verification of all the set pressure values in the Veri fied pressures fields Verify pressure 403 Fig 7 j Verify pressure PV 403 window After a successful verification all the filled in Measured fields have white backgrounds If any field has a red background a new adjustment must be performed 3 Ifyou want to save or print the information about the calibration you can enter the ID number and the next calibration date of the manometer in the applicable fields 4 Check the serial number that is automatically displayed in the Serial No of PV 403 field 5 Click the Save as file button to save the calibration values as a text file Click the Print button to print out the calibration values 7 Click the Main window button to return to the main window Doc No 003313 En Issue R 1 BREAS MEDICAL 7 11 Pressure calibration and firmware upgrade PV 403 Service Manual 7 5 Upgrading the PV 403 firmware Be sure that the firmware you choose to upload is compatible with the PV 403 hardware revision If in doubt contact BREAS technical support After a calibration or upgrade always check the patient settings of the ventila tor 7 5 1 Starting the upgrade 1 Connect the PV 403 to the COM port on the PC as shown in the photograph in the main window see below
135. nd replacing the main components PV 403 Service Manual 5 9 10 Removing and replacing the rear panel 1 2 3 o0 Remove the three screws 1 from the rear panel Disconnect the connector 2 from CN1 on the CPU board Disconnect the connector for the external battery supply 3 from CN4 on the CPU board and the mains connector 4 from on the CPU board Disconnect the ribbon cable from CN6 on the CPU board Push the rear panel and label outwards from inside the lower casing Remove the entire assembly Reassemble in the reverse order Fig 5 h Removing the rear panel 5 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Removing and replacing the main components 5 10 Removing and replacing the board 1 Disconnect the ribbon cable to the CPU board 2 Remove the five nuts that hold the CPU board and lift it out 3 Reassemble in the reverse order 5 Removing the 1 0 board Doc No 003313 En Issue R 1 BREAS MEDICAL 5 11 Removing and replacing the main components PV 403 Service Manual 5 11 Removing the motor assembly from the lower casing The following tools are required Torx key size 20 mm 7 mm socket with extension Remove the internal battery pack if installed see section 5 5 3 Remove the filter cassette Remove the base plate Remove the five fastening screws if no internal battery is insta
136. nd sockets BREAS computer cable with 25 pin connector to the 403 part no 001980 e Installation CD for PV 403 pressure calibration software part no 001703 Replacement parts The following replacement parts should be available when servicing the ventilator Description Part no Patient circuit 000402 Service kit incl membranes O rings for check valves and drive belt 001509 Membrane assembly for exhalation valve 000518 Grease BREAS 283 AZ 000557 Air filter patient air washable 001445 Air filter patient air disposable 001428 Doc No 003313 En Issue R 1 BREAS MEDICAL 2 3 Maintenance instructions PV 403 Service Manual 2 3 2 3 1 2 3 2 2 3 3 2 3 4 Description Part no If required Internal battery kit 002020 Battery NiMH 4 8 V 70 mAh 000568 Battery CR 2032 002129 Motor assembly kit for replacement after 20 000 operating hours 000549 PEEP compressor assembly for replacement after 20 000 operating hours 003235 Preparing for inspection Verifying the components and the installed software Check the engineering change history in chapter 10 Appendices to find out what changes have been made to the ventilator and from which serial number they were implemented If in any doubt check the component designations on the circuit boards upgrades may have been made that have not been recorded in the engineering change history Initial recording
137. ng lower PV 403 PV 403 PEEP BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Parts location Part no Definition 003251 Screw RTK 2 9 x 9 5 Fzb 003257 Circuit board membrant LED PV 403 Doc No 003313 En Issue R 1 BREAS MEDICAL 3 15 Parts location PV 403 Service Manual 3 16 BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual 4 4 1 Functional diagrams Functional diagrams This chapter contains a diagram of the pneumatic system of the ventilator and a block diagram of the PV 403 s functions Functional block diagram PV 403 The functional block diagram below shows how the electronics are designed and how they are connected to the other components REF PRESSURE MEMBRANE SWITCHES MOTOR LCD CONTROL DISPLAY MOTOR LED INDICATORS CONTROL RECTIFIER LOGIC EXTERNAL POWER BATTERY CONTROL BELLOWS MECHANICAL LINK ROOM AIR IN ELECTRICAL LINK ALARM N BATTERY gt Y PNEUMATIC LINK ALARM CONTROL PRESSURE METER PRESSURE D SENSOR SOLENOID PRESSURE 1 DUMP SENSOR 2 gt Y REF PRESSURE q EXHALATION VALVE gt PATIENT AIR Fig 4 a Functional block diagram PV 403 Doc No 003313 En Issue R 1 BREAS MEDICAL Functional diagrams PV 403 Service Manual 42 Functional block diagram PV 403 PEEP The functional block diagram below shows how the electronics
138. nics Reference Description Quantity Ul IC UC 3845D 1 U10 IC CNY17F 3 1 Ull IC DS1302Z 1 U12 IC DS1811 5 1 U13 IC REF02 1 Ul4 IC 7508 1 015 NC7S32 1 016 4514 1 017 18 IC 4051 2 U19 IC LM2576S 5 0 1 U2 IC 74HC14 1 U20 IC LM2575S 12 1 022 74HC00 1 024 74HC393 1 025 TL431CA 1 U3 5 23 IC LM358D 3 U4 IC LM393D 1 U6 IC 628128 1 U7 IC 29F010A 120JC 1 08 306205 1 U9 IC DS14C232 1 X TAL 32768Hz 1 X2 X TAL 16MHz CSTCA MXA 1 003313 Issue R 1 BREAS MEDICAL 8 67 Electronics PV 403 Service Manual 8 18 5 List of components CPU board rev 7B Reference Description Quantity BAT BATTERY CR2032 3V 1 71 2 SHUNT 2 54 2 S1 FUSE 1A T 5x20mm 1 56 FUSE SAT 5x20mm 1 BATI BATTERY HOLDER VBH2032 1 1 BRIDGE DF10S 1 CAPACITOR 220nF PME271 1 C10 CAPACITOR 100nF 400V 1 Cll CAPACITOR 220pF 500V 1 C12 50 107 109 125 127 CAPACITOR 10nF X7R 8 C137 138 CAPACITOR 2 2nF Y1 DE1210E222M 2 C14 19 20 CAPACITOR 1 50V 3 C147 CAPACITOR 220uF 10V CV AX 1 C148 CAPACITOR 22pF NPO 1 149 CAPACITOR 47nF X7R 1 C15 81 82 CAPACITOR 2 2nF X7R 3 C150 CAPACITOR 47uF 16V SMD ELYT 1 C151 152 CAPACITOR 4 7nF 500V XY 2 C16 CAPACITOR 150pF 50V 1 C18 CAPACITOR 220pF 400V 1 C2 CAPACITOR 68nF PME271 1 21
139. nics PV 403 Service Manual 8 18 3 List of components CPU board rev 5 Reference Description Quantity BATI BATTERY CR2032 3 V 230 mAh 1 81 FUSE 1 52 021 D2 POLYFUSE 135 1 56 FUSE T5AL 1 BATI BATTERY HOLDER VBH2032 1 1 BRIDGE DF10S 1 CAPACITOR 220 nF PME271 1 C10 CAPACITOR 100 nF 400 V 1 Cll CAPACITOR 220 pF 400 V 1 C12 50 107 108 109 CAPACITOR 10 nF X7R 5 C137 138 CAPACITOR 2n2 DE1210E222M 2 C14 19 20 CAPACITOR TANTALUM 1 uF 50 V 3 C147 CAPACITOR ELYT 220 uF 10 V MVK 1 149 CAPACITOR 47 nF X7R 1 C15 81 82 CAPACITOR 2 2 nF X7R 3 C151 152 CAPACITOR XY 4 n7 400v 2 C16 CAPACITOR 470 pF NPO 1 C18 CAPACITOR 220 pF 400 V 1 C2 CAPACITOR X 68 nF PME271 1 21 22 31 CAPACITOR ELYT 100 uF 50 V CV AX 3 C23 CAPACITOR 47 nF X7R 1 24 28 29 30 CAPACITOR XY 1 nF 400v 4 C3 132 CAPACITOR 1 nF 400 V 2 C32 34 41 42 46 48 CAPACITOR TANTALUM uF 20 V 9 51 C37 CAPACITOR TANTALUM 10 uF 6 V 1 C39 CAPACITOR TANTALUM 100 uF 6 V 1 CAPACITOR 100 uF 400 V 1 5 27 CAPACITOR 10 uF 50 2 8 58 BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Doc No 003313 En Electronics Reference Description Quantity C6 9 13 17 25 26 CAPACITOR 100 nF X7R 80 35 36
140. nsp 48 36 24 12 mbar gt gt 043 058 032 026 D20 D14 D8 D2 14 j o 4 44 4 Vol Alarm Pvc Set Trig 5 mbar 38 26 14 2 D44 D39 D33 D27 D21 015 09 05 0 5 Power on Set Plateau Press on 40 28 16 4 D45 D40 D34 D28 D22 D16 D10 D4 RR 2 14 1 5 Frequency Alarm Set Exp Sense Trigg d 42 30 18 6 alo vo 2 5 046 035 029 023 017 11 5 5 0 RR SS iz a 4 1 14 4 14 5 Mute Set Vol Set Press 44 32 20 8 041 w 036 050 024 018 012 D6 T RR RR RR 8 Lock 14 14 14 14 mor Set Spare Set Freq 46 34 227 10 4 4 4 ono Sad vel x S 5 Lock B gt S i 918 2 Doc 003313 En Issue R 1 BREAS MEDICAL 8 41 Electronics PV 403 Service Manual 8 17 Component location drawings This section contains the component location drawings for the alarm board the CPU board the I O board the PGC board the push button membrane panel the rear panel and the cables 8 42 BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Electronics 8 17 1 Component location drawing Alarm board
141. or settings parameters Mode PSV SIMV off Pressure 15 mbar Frequency 8 BPM Inspiration time 1 5 seconds Inspiration trigger 0 5 mbar Plateau 5 Expiration trigger 25 Volume 0 4 litres Low pressure alarm 40 mbar High pressure alarm 10 mbar Low tidal volume alarm 1 4 litres High rate alarm OFF 14 GAUGE Ventilator fails G1 pressure sensor self test 1 If operating temperature Gl of ventilator is between FAIL 5 C and 40 C when error occurs replace PGC board 2 Replace CPU board 15 GAUGE Ventilator fails G2 pressure sensor self test 1 If operating temperature G2 of ventilator is between FAIL 5 C and 40 C when error occurs replace PGC board 2 Replace CPU board 16 CPU Ventilator fails CPU processor and reference Replace CPU board PROC voltage regulator s internal A D converter A D self test FAIL Voltage should be 5 V 500 mV 18 INT Ventilator fails internal battery charger s self Replace PGC board BATT test when PV 403 is switched on only if CHRG mains power is connected FAIL BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Fault tracing Error Text on Problem Action code LCD display 19 ALARM Alarm battery voltage too low 1 Charge alarm battery for BATT at least 2 hours with LOW mains power connected and check battery again 2 Replace NiMH battery on alarm board 3 Replace alarm board 20 MOTOR Movement of bellows
142. oswitch assembly to the motor N BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Motor assembly 6 5 Replacing the membranes in the check valves This operation is done with the motor assembly removed from the casing See section 5 11 for instructions on how to remove the motor assembly 6 5 4 Equipment Before you start make sure you have a service kit at hand that contains two membranes two O rings for the membrane seats e the sealing ring for the patient air outlet one driving belt 6 5 2 Replacing the check valve membrane under the air channel 1 Remove the two screws from underneath the ventilator that hold the retainers for the check valve indicated by the arrows in the figure below 6 d Removing the two screws that hold the check valve 2 Pressout the check valve from above using a suitable tool for example an 8 mm socket to protect the plastic centre pin of the valve Doc No 003313 En Issue R 1 BREAS MEDICAL 6 5 Motor assembly PV 403 Service Manual 6 e Pressing out the check valve from inside the air channel 3 Pull the membrane from the valve seat and remove the O ring 4 Wipethe membrane seat with a damp cloth 5 Fitthe new membrane and O ring making sure that they are seated snugly 6 Reassemble in the reverse order BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Motor assembly 6 5 3 R
143. pack 1 Turnthe ventilator upside down 2 Remove the small rubber plug to access the terminals for the internal battery wires 3 Remove the five screws from the base plate 4 Connect the connector from the internal battery pack to the terminal Make sure they are connected correctly see figure below 5 Fitthe internal battery pack making sure that no wires are pinched Fix it in place with the original screws 6 Turn the ventilator over and stand it on its rubber feet The internal batteries are charged while the ventilator is connected to the mains supply even when the ventilator is switched off 5 e Installing the internal battery pack 5 5 4 Removing the internal battery pack Remove the internal battery pack by following in reverse order the instructions in section 5 5 3 above 5 6 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Removing and replacing the main components 5 6 Removing and replacing the PGC board Remove the upper casing see section 5 1 Remove the CPU board see section 5 4 Remove the ribbon cable from the CPU board Mark the hoses using a marker pen and detach them from their connectors Remove the three screws holding the PGC board Reassemble in the reverse order N ae ae Fig 5 f Removing the PGC Board Doc No 003313 En Issue R 1 BREAS MEDICAL 5 7 Removing and replacing th
144. pressure sensors 7 9 14 Automatica s ao dere lis iaa 7 10 003313 Issue 1 BREAS MEDICAL ToC 3 Table of contents PV 403 Service Manual 74 1 Starting the automatic adjustment 7 10 742 Verifying the automatic adjustment 7 11 729 Upgrading the 403 firmware 7 12 TSt gt Starting the Upgrades csset tepore 7 12 7 5 2 Upgrading the CPU board and alarm board firmware 7 13 8 EIGGITODICS 2 2 2 8 1 8 1 Functional block diagram PV 403 8 1 8 2 Functional block diagram PV 403 PEEP 8 2 83 Main components av 8 3 8 4 Main cabling diagram PV 403 2 2 000 1 1 00 0000 8 5 8 5 Main cabling diagram PV 403 8 6 8 6 Circuit board descriptions 8 7 8 6 1 Push button membrane panel 8 7 86 2 LCD display cito rte mte enger a PR RUP 8 7 8 6 3 Alarm board iere ie eee tus 8 8 8 6 4 board e rene dee oer pe am 8 9 8 6 5 Pressure Gauge Card
145. r Part no 001934 Optional for manual calibration replaces the manual pressure reference manometer Necessary for automatic calibration Connector for the pressure gauge to the PV 403 A PC running Windows 95 or later Automatic calibration PC must have two available COM ports if a Thommen pres sure gauge is used Manual calibration PC must have at least one COM port Computer cable with 25 pin connector to the PV 403 Part no 001980 PV 403 pressure calibration software Supplied on the installation CD part no 001703 Test lung Part no 001917 Patient circuit Part no 000402 7 1 3 Pressure sensors The PV 403 has two pressure sensors G1 and G2 that are located on the PCG board Pressure sensor Description Gl Monitors the pressure at the exhalation valve and displays the value at the pressure gauge G2 Pressure regulator sensor BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Pressure calibration and firmware upgrade 7 1 4 Installing the calibration software 1 Insert the CD in the computer and follow the on screen instructions to install the PV 403 pressure calibration software See the readme file for more information 2 To install the LabView RunTime program select LabView RunTime in the file directory structure select the version click Install and follow the on screen instructions 3 To install the BREAS calibration software select
146. r modified in accordance with BREAS service manuals technical bulle tins and any special service instructions by service technicians that have been author ised after BREAS PV 403 service training or have an equivalent technical knowledge on medical respiratory devices Deviation from these service instructions may lead to risk of personal injury About the PV 403 ventilator Function The PV 403 is a pressure controlled pressure support and volume controlled ventilator for patients who require continuous or intermittent support by mechanical ventilation It has three modes of operation PSV PCV and modes have an adjustable trig ger sensitivity setting which allows the patient to initiate ventilator assisted breaths In the PCV mode Pressure Controlled Ventilation the ventilator provides assisted or controlled pressure regulated breathing In the PSV mode Pressure Support Ventilation the ventilator s expiratory sense can also be adjusted allowing the ventilator to more easily match each patient s needs In the VCV mode Volume Controlled Ventilation the ventilator provides assisted or controlled volume regulated breathing As an option the PV 403 can be delivered with an internal PEEP Positive End Expira tory Pressure function which is used for controlling the patient s airway pressure during the exhalation phase The internal patient data memory of the PV 403 can be downloaded to a PC printed out
147. re calibration and firmware upgrade This chapter describes how to calibrate the pressure sensors of the PV 403 manually or automatically and how to use the BREAS calibration software to upgrade the PV 403 firmware After a calibration or upgrade always check the patient settings of the ventila tor Introduction to the pressure calibration process The pressure sensors of the PV 403 must be calibrated and verified if the CPU or PGC board has been replaced Calibration process To calibrate the PV 403 you need the PV 403 calibration software from BREAS Medical and some additional equipment see section below A Thommen digital manometer can be used to calibrate the ventilator automatically When the calibration is complete the calibration data for the installed pressure sensor is saved in the data memory of the ventilator PV 403 UN 4 AN 40 1 Mbar Fig 7 a Calibration process Doc No 003313 En Issue R 1 BREAS MEDICAL 7 1 Pressure calibration and firmware upgrade 7 1 2 Calibration equipment The following equipment is required for calibrating the pressure sensors of the PV 403 PV 403 Service Manual Equipment Comment Pressure reference manometer Used for manual calibration Measuring range 0 60 mbar with tolerance 1 mbar or better Thommen HM 28 digital manomete
148. rol and any applicable upgrades in accordance with BREAS service instructions repaired and or modified in accordance with BREAS service manuals technical bulle tins and any special service instructions by service technicians that have been author ised after BREAS PV 403 service training or have an equivalent technical knowledge on medical respiratory devices Deviation from these service instructions may lead to risk of personal injury For information about pressure calibration fault tracing detailed drawings board sche matics replacement parts and so on refer to the respective chapter in this service man ual The patient and or care providers should follow the checks that are described in the PV 403 Operating Manual Purpose The PV 403 is designed to give users many years of trouble free breathing assistance provided that the preventive maintenance is carried out at the intervals specified in this manual The service intervals vary depending on the type of operation for which the ven tilator is used Well performed maintenance services will considerably increase the life of the ventila tor It is also important that any peripheral equipment is checked at the same time as services are carried out Introduction Before you start a maintenance service read the safety precautions and make sure you have a new service record and all the necessary equipment tools and replacement parts at hand Doc No 003313 En I
149. set as in example 2 Safety valve operates when pres sure is too high as shown in example 2 7 Pressure sensor 8 Pressure sensor G2 9 Control pressure tube for the exhalation valve 10 Patient air tube 11 Tube for measuring the pressure 12 Exhalation valve 13 Bacteria filter if used Doc No 003313 En Issue R 1 BREAS MEDICAL 4 3 Functional diagrams 4 4 Pneumatic diagram PV 403 PEEP The pneumatic diagram below shows the pneumatic components of the air circulation of the PV 403 PEEP Blue PV 403 Noice reducing housing Leakage Blue Red ISilencerr Compressor G3 6 m2 Grey Transparent PV 403 Service Manual Magnetic valve MV1 MV2 MV3 Example 1 Non powered Example 2 Powered Green 11 Fig 4 d Pneumatic diagram PV 403 PEEP PNEUMATIC DIAGRAM Pv403 Intemal PEEP REVISION 2 0 021118 SG The table below describes the components of the pneumatic diagram No Component 1 Patient air inlet through air filter 2 Bellows 3 Check valve closed during inspiration 4 Check valve closed during expiration 5 Magnetic valve MV 1 Normally set as in example 1 Switches off G1 during auto cali bration as shown in exampl
150. sh 003041 Overlay push button LCD PV 403 without SIMV English 003042 Overlay push button LCD PV 403 without SIMV German 003043 Overlay push button LCD PV 403 without SIMV Italian 003044 Overlay push button LCD PV 403 without SIMV Spanish 003045 Overlay push button LCD PV 403 without SIMV Danish 003046 Overlay push button LCD PV 403 without SIMV Dutch 003047 Overlay push button LCD PV 403 without SIMV French 003048 Nippel PV 403 PEEP 003052 Tube red 2 5 x 6 20 mm silicone 003053 Tube red 2 5 x 6 170 mm silicone 003054 Compressor 003055 Anchorplate for compressor 003056 Plate 3 2 x 9 x 0 8 mm Fzb 003057 Cable 4 pole between PGC amp CPU 003058 Circuit board PGC PV 403 PEEP 003175 Operating manual PV 403 PV 403 PEEP Swedish 003176 Operating manual PV 403 PV 403 PEEP English 003177 Operating manual PV 403 PV 403 PEEP Finnish 003178 Operating manual PV 403 PV 403 PEEP Norwegian 003179 Operating manual PV 403 PV 403 PEEP Spanish 003180 Operating manual PV 403 PV 403 PEEP Italian 003181 Operating manual PV 403 PV 403 PEEP Dutch 003182 Operating manual PV 403 PV 403 PEEP Danish 003183 Operating manual PV 403 PV 403 PEEP French 003184 Operating manual PV 403 PV 403 PEEP German 003185 Operating manual PV 403 PV 403 PEEP Greek 003186 Operating manual PV 403 PV 403 PEEP Portuguese 003187 Operating manual PV 403 PV 403 PEEP Polish 003229 CPU Motor board PV 403 PEEP 003234 Casi
151. ssue R 1 BREAS MEDICAL 2 1 Maintenance instructions 2 2 4 Service schedule The maintenance service includes all the checks listed in the schedule below PV 403 Service Manual PN A complete maintenance service as described in this chapter must be carried out at least every 12 months If the ventilator is used for continuous operation 24 hours a day a complete maintenance service must be carried out every 6 months Interval Service check See section Every 12 months Motor assembly or every 6 months if the ventilator is used Replace the drive belt 6 3 for continuous opera 24 hours a day Lubricate the ball screw 6 4 Replace the check valve membranes and the O rings 6 5 Test for leakage from the motor assembly and the tubes 6 6 Electronics Calibrate the pressure sensors 7 3 4 Check the internal battery operation where applicable 8 9 Check the external battery operation where applicable 8 10 Check the electrical safety levels 8 15 Accessories where applicable Inspect the patient circuit 2 6 11 Change the membrane in the exhalation valve 2 6 12 Clean the PEEP adapter change the O ring 2 6 13 Every 24 months Replace the internal battery kit 5 5 Every 5 years Change the alarm battery and the clock battery 8 11 8 12 Every 20 000 oper Change the complete motor assembly 5 11 ating hours 5312 Change the PEEP compressor only applicabl
152. t the clock battery from its slider 3 Fitthe new clock battery to the slider Clock battery Fig 8 j Replacing the clock battery Setting the date and time Refer to chapter Maintenance section Setting the date and time in the PV 403 Operating Manual Erasing the calendar memory The calendar memory can only be erased using the Calendar Data Analysis program Electrical safety precautions Electrical safety measurements must be made in accordance with IEC 601 However you can make an insulation resistance measurement instead of the voltage test specified by the standard Use an automatic electrical safety tester to make the measurements tests must be performed in accordance with class II type BF Doc No 003313 En Issue R 1 BREAS MEDICAL 8 17 Electronics PV 403 Service Manual 8 15 1 8 15 2 8 15 3 8 15 4 8 15 5 8 15 6 8 18 Supply voltage Note the power voltage reading The voltage must be noted at each service check as the currents measured are directly in relation to the supply voltage This allows all measurements made on the same ventilator to be compared with measurements made on different occasions Insulation The insulation resistance is measured using a 500 V DC power supply The most suitable method is to connect the plus lead to the two ventilator power socket pins and the minus lead to the casing or the patient air connector The measurements made during the deliv
153. the circuit boards the con nectors and so on are securely fastened 2 5 4 Replacing the drive belt Refer to section 6 3 for Information 2 5 5 Lubricating the ball screw Refer to section 6 4 for Information 2 5 6 Replacing the membrane assemblies the check valves Refer to section 6 5 for Information 2 5 7 Checking the power supply 1 Make sure that the power socket is undamaged and that it is securely in place 2 Checkthe wiring to and from the CPU board 2 5 8 Calibrating the pressure sensors Refer to chapter 7 3 4 Verifying the calibration of the pressure sensors for infor mation 2 5 9 Reassembling the casing e Refer to chapter 5 Removing and replacing the main components for instructions 2 5 10 Electrical safety Refer to section 8 15 for information 2 6 BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Maintenance instructions 2 5 11 2 6 2 6 1 2 6 2 2 6 3 2 6 4 2 6 5 2 6 6 Testing for leakage of the tubes and bellows Refer to section 6 6 for Information Final inspection Function check Connect the patient circuit start the ventilator and check that everything works normally Checking the leakage alarm for low pressure 1 Set the pressure to 20 mbar 2 Create a leak so that a pressure of 20 mbar cannot be reached 3 Check that the Pressure alarm LED is lit and that an audible alarm sounds Checking the low volum
154. the new battery checking the polarity and solder it in place Fit the alarm board Put the X3 jumper back Perform a test start The PV 403 checks the condition of the alarm battery during each start up cycle If a fault occurs with the alarm battery the ventilator will not start the Power LED will light and the error message ALARM BATT LOW error code 19 will be displayed NO oh WD 8 If this happens after replacing the alarm battery let the ventilator remain switched off for a few hours but still connected to the mains supply so that the battery is charged 9 Restart the ventilator 10 Pull out the power cord while the ventilator is running from the mains supply The red Power LED should light and an audible alarm should be issued When the power supply is reconnected the ventilator should restart normally Alarm battery Fig 8 i Replacing the alarm battery 8 16 BREAS MEDICAL Doc No 003313 En Issue R 1 PV 403 Service Manual Electronics 8 12 8 13 8 14 8 15 Replacing the clock battery The clock battery is located on the CPU board The battery must be replaced five years after the delivery date or five years after it was last replaced Be careful not to touch areas with mains voltage when the ventilator is con nected to the mains power supply To replace the clock battery 1 Keep the mains power cord connected to the mains 2 Onthe CPU board carefully release the battery clamp and pull ou
155. to home position times 1 Replace motor assembly GOREF out 2 Replace CPU board FAIL 21 Ventilator fails PIC communication test 1 Replace alarm board within defined time 2 Replace CPU board 22 MASTR Ventilator fails master processor motor shut Replace CPU board MOTOR down test SHUT DOWN FAIL 23 SLAVE Ventilator fails PIC processor motor shut 1 Replace alarm board MOTOR down test 2 Replace CPU board Audible SHUT Problem does not cause function failure alarm DOWN operation will continue after alarm duration FAIL 5s 24 VALUE Ventilator s settings parameters check fails Replace CPU board LOAD CHECK SUM FAIL 25 DATE Real time clock does not function properly Replace CPU board TIME MIS MATCH 31 Master processor communication times out Replace CPU board COM TIME OUT FAIL 32 LCD display communication times out Replace alarm board 34 CPU Receive buffer full Replace alarm board COM FAIL 35 CPU PIC not ready to write on LCD Replace alarm board COM FAIL Doc No 003313 En Issue R 1 BREAS MEDICAL Fault tracing PV 403 Service Manual Error Text on Problem Action code LCD display 41 INSP Movement of bellows to home position after Replace motor assembly EXP inspiration has started times out TIME FAIL 42 GAUGE Pressure sensors do not match 1 Check all pressure sensor MATCH tubes FAIL 2 Replace PGC board 43 REM No
156. tomatically switch to the external battery supply if installed Should this not be available it will switch to the internal battery supply if installed The current power source is indicated in the LCD display of the ventilator If the external or internal battery voltage drops too low an audi ble alarm sounds Calendar Data Analysis software The internal patient data memory of the PV 403 can be downloaded to a PC printed out and analysed via the Calendar Data Analysis software package if installed on a PC For more information about this software package please contact your BREAS representa tive Service personnel s training requirements Service personnel working with the PV 403 and PV 403 PEEP should have medical technical training and a good knowledge of the construction and function of respiratory devices Authorisation by BREAS PV 403 service training is recommended Always contact your BREAS representative if you have any questions or if any training is required BREAS MEDICAL Doc No 003313 Issue R 1 PV 403 Service Manual Introduction 1 2 1 2 1 1 2 2 1 2 3 About this manual Scope This manual describes all the routine maintenance checks and the additional service actions for the PV 403 and the PV 403 PEEP The manual contains all the documenta tion that is required for the maintenance and the service of the ventilator such as replace ment parts lists exploded drawings wiring diagrams compon
157. ul CPU board rev 7D CNB 1 1331 o Er 29 9 45V o ica CON 0 0 45V 12V 49 2 ze e ole R1281k Zo u9 SFS 5V v 289 9 dab 16 enr R1291 fe 9 n eR 19 gis 2 5 2 3 U R130 1k Ho 9 el
158. y for a maximum of 14 hours non stop After 14 hours the charger changes to trickle charging that is the charger continues charging the battery for 1 second every minute Fig 8 e board PV 403 Fig 8 f PGC board PV 403 PEEP Doc No 003313 En Issue R 1 BREAS MEDICAL 8 11 Electronics 8 6 6 8 12 Input Output board The I O board contains the output connector for the external alarm the alarm buzzer and the analogue digital output connectors Fig 8 g board D 9 9 BREAS MEDICAL N PV 403 Service Manual Doc No 003313 En Issue R 1 PV 403 Service Manual 8 7 Test points CPU board 8 7 1 Test point locations Electronics The locations of the test points on the CPU board are shown in the figure below ue CN8 3 4 5 6 7 8 91110 111112 131114 151116 Fig 8 h 8 7 2 Test point matrix The following are the test points on the CPU board of the PV 403 Test points on the CPU board CN8 Voltage Toler Description Power Status pin ance supply 1 28 34 V PSU 24 Mains On or off 2 5 1 0 LARM ACK Mains On or off 3 30V 2 0 INT_BAT Mains On or off 4 4 8 or 0 2 V 0 2 STOP Mains On or off bellow home position 5 4 8 or 0 2 V 50 2 ENCOD2 Mains On or off motor encoder 6 0 7 V at 0 mbar 2

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