Fresenius Medical Care 4008 HDF Technical Manual
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Fresenius Medical Care 4008 HDF Technical Manual

Fresenius Medical Care 4008 HDF Technical Manual

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4008 HDF
Technical Manual
Fresenius Medical
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Summary of Contents for Fresenius Medical Care 4008 HDF

  • Page 1 4008 HDF Technical Manual Fresenius Medical Care...
  • Page 2 4008 HDF Technical Manual...
  • Page 3 4008 HDF Technical Manual The Technical Manual contains all information necessary for performing maintenance and repair work. The 4008 HDF option reflects the latest state of technology and complies with the requirements of EN 60601-1 Assembly, extension, adjustment, modification or repair may only be carried out by the manufacturer or persons authorized by him.
  • Page 4 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 5: Table Of Contents

    The identification on the P.C.B. permits the user/technician to verify if the circuit diagram / component layout matches the P.C.B. actually installed. In general, this manual is subject to modification. Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 6 ESD precautions (e.g. EN 100 015-1). During repair/troubleshooting in the hydraulic unit, protect the components from dialysate. Technical data: The technical data for the 4008 HDF option is to be found in Chapter 1 of the Operating Instructions. Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 7: Description Of Machine Functions

    LP 763 SSE serial interface extender ................4-39 Spare parts ........................How to use the spare parts catalog ................P.C.B.s ..........................Scales ..........................Substituate lift ......................... UF2 pump / blood pump (HDF) / valve V 126 ..............5-10 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 8 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 9: Section Page

    Fig.: Flow diagram ......................Description of extended T1 test / error messages in T1 test ........1.2.1 Test UF-Function ......................Error messages during treatment and the HDF test ..........1-10 Error messages, substituate pump ................1-13 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 10 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 11: Description

    – The substituate pump – The UF2 pump (electrically and hydraulically) (If the 4008 HDF test is not carried out then the connections are to be tested but once). The UF2 pump is tested cyclically during treatment. The electric control system of the UF2 pump is checked continuously.
  • Page 12 Fig.: Block diagram Operating system Safety system Scales Serial communication CPU 1 CPU 2 Serial communication Substituate UF2 pump pump Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 13 Fig.: Flow diagram Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 14 Fig.: Flow diagram Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 15 74 Filter/UF 151 Orifice 75 External flow indicator 152 4008 HDF hydrophobic filter 76 Filter/fill valve Hydraulic measurement points Reduced water inlet pressure Balancing chamber loading pressure Flow pump pressure Degassing pump pressure Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 16: Description Of Extended T1 Test

    CPU 1 starts up the UF2 pump at a defined rate. CPU 2 controls the hydraulic and electrical function of the UF2 pump. CPU 2 blocks the control line of the UF2 pump and checks for standstill. UF2 counter check. Figure: Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 17: Error Messages

    – Control line (UF_P2_CRTL, X632/B24) → X634R/C11 no HIGH pulse. F20 UF-Function Difference in pressure between UF pump stroke and UF2 pump stroke more than 20 %. – Stroke rate for UF pump or UF2 pump not set correctly. Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 18 Check scales (for drifting). than –1 g, the respective UF pump test will be repeated. The UF pump test was repeat- ed more than 5 times. 1-10 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 19 (communication problems) of the UF pump is greater than 10 ml. F334 UF-failure Interval between two strokes Check CPU 1 (defect). of the UF2 pump less than 220ms. 1-11 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 20 2g. F349 HDF-failure The delivery rate correction Check substituate bag factor could still not be deter- (weight fluctuations) mined after 20 minutes treat- Check HDF control system ment time. (greater fluctuations) 1-12 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 21 Not defined E.10 Not defined E.11 Not defined E.12 Failure, speed monitoring (hall sensor) E.13 Failure, monitoring system, current sensing resistors E.14 Failure, monitoring system, current sensing resistors E.15 Failure, speed monitoring system 1-13 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 22 1-14 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 23: General Notes

    The technical safety inspections stipulated for the hemodialysis machine must be carried out in addition to these technical saftey checks. The technical safety checks are to be recorded in the equipment log. A technical safety checks report is to be found at the page 2-3. Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 24 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 25: Technical Safety Checks

    The correct completion of the listed work and the correctness of statements made are hereby certified. Signature, technician: Signature, customer: ......, date ............. , date ..................................Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 26 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 27: Calibration Instructions

    Calibrating the 4008 HDF scales ................. Calibrating the substituate sensor ................3-13 Calibrating the HDF blood pump ................. 3-15 3.5.1 Pressure transducer ....................... 3-15 3.5.2 Checking SN switchover points ..................3-16 Repair instructions ....................... 3-17 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 28 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 29 Ton Aus Rate: ml/h Rate: ml/min (Ø: mm) (Bolus: ml) :h.min) ven. Bolus Start Rate Stop Start Stop LP 625 Rate: ml/min (Ø: mm) Reset Vol : l Start Stop LP 760 LP 754 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 30 Fig.: DIP switch 4008 HDF LP 632 CPU 2 SW 1, DIP switch 8: ON: 4008 HDF test selectable (required/not required) OFF: 4008 HDF test carried out automatically Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 31: Calibrating The Uf2 Pump

    Enter the number of strokes by pressing Confirm Select pulse-amount = 60 keys. Press the Override key. Single Needle –10 –20 Override –30 Test –40 Prime Text display for approx 3 sec. Confirm Select ACKNOWLEDGED Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 32 Text display after completion. Confirm Select UF-Pump 2 Check delivered quantity. If necessary adjust UF 2 pump and re- peat process. Delivery rate: 1 ml/stroke (60 strokes = 60 ml) Tolerance: ± 1 %. Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 33: Vde Inspections

    The scales must be travelled out to such an extent that neither of the two end switches are actuated (middle position). The two leakage currents are to be measured each time with different mains connection poling. The two leakage currents are added together and give the summarized leakage current. Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 34: Calibrating The 4008 Hdf Scales

    Switch ON? Open housing of scales at the back. Fresenius Medical Care Set calibration switch for the scales in ON position. Press the Override key. Single Needle –10 –20 Override –30 Test –40 Prime Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 35 No weight is to be on the scales. Press the Override key. Single –10 Needle –20 Override –30 Test –40 Prime Text display. Confirm Select HDF-DISPL shows 0 ? Scales display. Fresenius Medical Care Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 36 Fresenius Medical Care scales. Press the Override key. Single Needle –10 –20 Override –30 Test –40 Prime Text display. Select Confirm DISPL shows UNIT “g”? Scales display: 5000 g. Fresenius Medical Care 3-10 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 37 HDF-SCALE unloaded ? Remove calibration weight. Press the Override key. Single Needle –10 –20 Override –30 Test –40 Prime Brief text display. Confirm Select SCALE CALIBRAT. done Confirm Select CALIB. HDF-SCALE Text display. 3-11 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 38 Set service switch to OFF (bottom). Switch on hemodialysis machine. Hang calibration weight PT6 – 5000 g on scales. Scales display: 5000 g Fresenius Medical Care Remove calibration weight. Calibration of 4008 HDF scales completed. 3-12 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 39: Calibrating The Substituate Sensor

    Needle –10 –100 UF Ziel –20 Überbrücken –200 –30 Test –300 –40 Vorbereiten UF Restzeit h:min Dialyse Start Alarm Prog. Ton Aus Rate: ml/h Rate: ml/min (Bolus: ml) (Ø: mm) :h.min) Bolus 3-13 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 40 IC17 X348V X348V_SN XHDF Turn back the potentiometer P1 on the LP 754 by half this number. The LED D26 will illuminate again. IC14 IC17 X348V X348V_SN XHDF 3-14 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 41: Calibrating The Hdf Blood Pump

    Vol : l Start Stop Display 250 Rate: ml/min (Ø: mm) Apply a pressure of 250 mmHg to the SN pressure transducer. Reset Press the Start/Stop key. Vol : l Start Stop 3-15 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 42: Checking Sn Switchover Points

    Balancing out has been completed. X348V_SN XHDF 3.5.2 Checking SN switchover points Bottom switchover point: fixed at 75 mmHg (± 6 mmHg) Top switchover points (± 6 mmHg): Stroke volumes (ml) Top switchover point 3-16 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 43: Repair Instructions

    Repair instructions Important: If the substituate lift has to be dis- mounted for repair the seal is to be checked and if necessary renewed before fitting the lift again. Drip water protection! 3-17 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 44 3-18 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 45: Circuit Descriptions And Circuit Diagrams

    Section Page Fig.: Connection diagram 4008 HDF ................Fig.: Wiring diagram 4008 HDF ..................Fig.: Block circuit diagram, mains voltage 4008 HDF ............ Fig.: Block circuit diagram, low voltage 4008 HDF ............LP 625 display board ....................4.1.1 Description ........................
  • Page 46 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 47 Vol : l Start Stop XWAAGE X348v XHDF Substituate pump X348v LP 747 distribution board X637B X637B XHDF X637C X637C XA1P LP 763 SEE serial interface XA4V0 extender UF2 pump V126 LP 630 motherboard Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 48 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 49 W1IW2 X63Z X637B X637C LP 763 LP 747 ON/OFF SEE serial distribution no assignment interface extender board XA1P XA4V0 Switch substituate lift UF2 pump V 126 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 50 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 51 Fig.: Block circuit diagram, mains voltage 4008 HDF Main Standby- trans- trans- former former T 2,5 A T 2,5 A Mains relay Motor relay T 2,5 A 1 µF Mains Mains Mains 511 K T 2,5 A Auxiliary plug filter...
  • Page 52 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 53: Lp 625 Display Board

    The keyboard comprises 3 single non-illuminated keys and 1 key with integrated LED (HDF). The keys are soldered directly to the P.C.B.. The user receives a acknowledgement through a spring contact when the keys are pressed. Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 54 4-10 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 55: Circuit And Component Layout Diagram

    4.1.2 Circuit and component layout diagram LP 625 LP 625 display board Circuit diagram 4-11 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 56 4-12 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 57 LP 625 Component layout diagram 4-13 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 58 4-14 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 59: Lp 754 Control Board Hdf

    – X192, connection to pressure transducer – X348, connection to dialysis monitor Hexswitches on the LP 754: No function Single needle blood pump / 4008 HDF / ON LINE HDF 2 – A No function Blood pump stop alarm (15, 30 secs.) No function...
  • Page 60 AN 7 and calibrated for zero and steepness by the software. Afterwards the measuring signal is modulated to pulse width through port P1.3 and transmitted through a subsequent DA converter IC 11 (5/6/7) to the monitor. 4-16 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 61: Circuit And Component Layout Diagram

    4.2.2 Circuit and component layout diagram LP 754 LP 754 control board HDF Circuit diagram 1/2 4-17 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 62 4-18 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 63 LP 754 Circuit diagram 2/2 4-19 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 64 4-20 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 65 LP 754 Component layout diagram 4-21 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 66 4-22 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 67: Lp 760 Hdf Motor Control

    R 20 serves as a pull-up resistor. A defined output level is obtained with the IC 5/14 in high ohmic state, caused by pressing the Stop key (high level on IC 5/15). 4-23 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 68 R 11, R 12 and the B-E path from T 4. T 4 blocks after approx. 500 ms. The output transistor must be linked by IC 4 before this time has elapsed otherwise both flip-flops will be reset again. 4-24 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 69: Circuit And Component Layout Diagram

    4.3.2 Circuit and component layout diagram LP 760 LP 760 HDF motor control Circuit diagram 4-25 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 70 4-26 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 71 LP 760 Component layout diagram 4-27 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 72 4-28 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 73: Lp 761 Hdf Drive Keyboard

    LP 761 HDF drive keyboard 4.4.1 Description ● General The keys for controlling the substituate lift are found on this P.C.B.. 4-29 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 74 4-30 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 75 1 X1 SUB_A 3 X1 SUB_C 5 X1 6 X1 1994 NAME HDF-ANTRIEB-TASTATUR BLATT 04.08. OTT 1(1) 05.08. ASCH HDF-MOTOR-KEYBOARD LP761 673 766 MEDIZIN- TECHN. X1 geandert SYSTEME ERSATZ ERSATZ FORMAT AENDERUNG 4-31 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 76 4-32 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 77 LP 761 Component layout diagram 4-33 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 78 4-34 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 79: Lp 762 Scales Comm

    IC 1 from 5 V to RS 232 level. The signal arrives at the dialysis machine through plug X1 pin 5 (TXD). SP1 (ML78L05) converts the 12 V into 5 V which serves as the supply voltage for LP 762. 4-35 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 80 4-36 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 81: Circuit And Component Layout Diagram

    4.5.2 Circuit and component layout diagram LP 762 LP 762 scales comm Circuit diagram 4-37 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 82 4-38 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 83 LP 762 Component layout diagram 4-39 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 84 4-40 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 85: Lp 763 Serial Interface Extender

    LP 752 takes over the connection of the 4008 monitor signals to the COMMCO P.C.B. LP 729. In order to be able to also continue the linking to COMMCO/FINESSE in 4008 HDF machines the circuit section of the LP 752 P.C.B. is taken over in the LP 763 P.C.B..
  • Page 86 4-42 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 87: Circuit And Component Layout Diagram

    4.6.2 Circuit and component layout diagram LP 763 LP 763 SSE serial interface extender Circuit diagram 1/2 4-43 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 88 4-44 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 89 LP 763 Circuit diagram 2/2 4-45 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 90 4-46 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 91 LP 763 Component layout diagram 4-47 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 92 4-48 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 93: Spare Parts

    Table of contents 5 Spare parts Section Page How to use the spare parts catalog ................P.C.B.s ........................... Scales ..........................Substituate lift ....................... UF2 pump / blood pump (HDF) / valve V126 ............. 5-10 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 94 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 95: How To Use The Spare Parts Catalog

    The equipment code must be entered in the machine record. All modifications must be entered in the machine record. Update the equipment code, if necessary, to ensure that the correct spare parts will be ordered. Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 96: P.c.b.s

    Dialyse Start Variation Alarm Prog. Prog. Ton Aus Rate: ml/h Rate: ml/min (Bolus: ml) (Ø: mm) :h.min) ven. Bolus Start Stop Rate Start Stop Rate: ml/min (Ø: mm) Reset Vol : l Start Stop Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 97 673 766 1 P.C.B. LP 761 HDF drive keyboard 673 872 1 P.C.B. LP 625 display board 673 720 1 P.C.B. LP 760 HDF motor control 673 041 1 P.C.B. LP 754 control board HDF Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 98: Scales

    Scales Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 99 Back shell 673 921 1 Front shell 553 620 1 559 690 1 Washer 642 648 1 Spacer sleeve 640 143 1 Spacer 673 923 1 Front foil display 674 068 1 Scales, complete Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 100: Substituate Lift

    Substituate lift Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 101 675 052 1 Split pin 553 694 1 Washer 674 333 1 Locating pin 552 312 1 Screw M5x16 675 222 1 Fork 675 051 1 Bolt with head 673 915 1 Substituate lift, complete Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 102 Hydraulic section 4008 B Concentrate pump (23) UF pump (22) UF2 pump (20) UF2 pump Bibcarbonate Concentrate (20) pump pump (25) (23) Rate: ml/min (Ø: mm) Reset Vol : l Start Stop 5-10 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

  • Page 103: Uf2 Pump / Blood Pump (Hdf) / Valve V126

    Silicon tube (0.12 m) 674 349 1 Solenoid valve MV 126 / solenoid valve MV43 674 347 1 Valve block 552 275 1 Screw 579 072 1 O-ring 674 941 1 Valve block, complete 5-11 Fresenius Medical Care 4008 HDF 3/11.97 (TM)
  • Page 104 5-12 Fresenius Medical Care 4008 HDF 3/11.97 (TM)

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