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Section 2

2-1

Maintaining and Cleaning

Introduction

This section provides servicing and maintenance instructions for the ELI 150 interpretive electrocardiograph.
Subsequent parts of this section are disassembly, inspection techniques, cleaning techniques, and installation.

Recommended Cleaning Supplies



Anti-static mat & wrist band, properly grounded



Clean, lint-free cloth



Hospital grade germicidal solution



DRY, low pressure, compressed air (30 psi)



Electronic safe non-residue solvent, such as Flux-off



Masking tape



Non-metallic, soft-bristle brush



Naphtha



Vacuum cleaner, Static Safe

Equipment Required



Screwdriver Philips #2.



Allen Wrench 0.05 inch or a 1.25 mm



Vibra-Tite or similar product to prevent screws from vibrating loose.



Digital Multi Meter (DMM)

Note: The equipment and solvent mentioned above are standard shop commodities that are available from

commercial sources. If in the performance of normal maintenance or repair, the PCB assembly, AC
connector assembly, or writer assemblies are removed or replaced, a leakage test should be performed.
See section on testing.

2

CAUTION:

Remove battery fuse before attempting any disassembly.

Removal of the battery fuse will not cause a loss of ECGs or of the configuration. This
information is stored in FLASH memory.

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Содержание ELI 150

Страница 1: ...ELI 150 Service Manual Manufactured by Welch Allyn Inc Skaneateles Falls NY U S A CAUTION Federal law restricts this device to sale by or on the order of a physician...

Страница 2: ...for its standards publications relating to digital communications of medical information Software V2 4 1 2019 01 For patent information please visit www welchallyn com patents For information about a...

Страница 3: ......

Страница 4: ...the back of the device Care should be taken so that these numbers are not defaced Copyright and Trademark Notices This document contains information that is protected by copyright All rights are rese...

Страница 5: ...rtara s principal place or any other place as specifically designated by Mortara or an authorized distributor or representative of Mortara and ii all risk of loss in transit It is expressly agreed tha...

Страница 6: ...ge prior to use Conductive parts of the patient cable electrodes and associated connections of Type CF applied parts including the neutral conductor of the patient cable and electrode should not come...

Страница 7: ...esigned for use with high frequency HF surgical equipment and does not provide a protective means against hazards to the patient The quality of the signal produced by the electrocardiograph may be adv...

Страница 8: ...epartment Do not pull or stretch patient cables as this could result in mechanical and or electrical failures Patient cables should be stored after forming them into a loose loop Notes Excessive patie...

Страница 9: ...rth point in the unit Exposed metal accessible during normal operation is double insulated from mains Internal connections to earth ground are functional earth The ELI 150 will automatically turn off...

Страница 10: ...viii...

Страница 11: ...Required 2 1 Cleaning and Inspection Techniques 2 2 Interior Cleaning 2 2 Printed Circuit Board Cleaning 2 2 Metallic and Plastic Parts Cleaning 2 3 Exterior Cleaning 2 3 Printhead Cleaning 2 3 Inspec...

Страница 12: ...13 Rhythm Leads 3 13 Configuration Page 6 3 14 XMT Media 3 14 DHCP 3 14 IP Address 3 14 Def Gateway 3 14 Sub Net Mask 3 14 Host IP 3 14 Port Number 3 15 Assembly Disassembly of Unit Fuse Removal 4 1 C...

Страница 13: ...play Frozen 6 2 RS232 Transmit Receive Problems 6 2 Optional Modem Transmit Receive Problems 6 3 Testing 6 4 Power Supply Test 6 4 Keyboard test 6 4 LCD Test 6 4 Speaker Test 6 5 Date Time Test 6 6 Wr...

Страница 14: ...xii...

Страница 15: ...connection to the power source and protective ground Use only a power outlet with a protective ground outlet An interruption of the grounding connection could cause an electrical shock hazard Proper...

Страница 16: ...vironments can seriously damage many components and accessories Liquid Spills Do not set beverages or other liquids on or near the ELI 150 and or optional equipment Product Information See Section 1 o...

Страница 17: ...bristle brush Naphtha Vacuum cleaner Static Safe Equipment Required Screwdriver Philips 2 Allen Wrench 0 05 inch or a 1 25 mm Vibra Tite or similar product to prevent screws from vibrating loose Digit...

Страница 18: ...contain static sensitive devices Use special handling procedures to prevent damage due to ESD Clean assembled parts with a vacuum cleaner or low pressure compressed air 30 psi Take care when cleaning...

Страница 19: ...ter is removed Dry the printhead thoroughly before use Use a dry clean cloth for this After cleaning is completed inspect the unit using the techniques described previously After the inspection is com...

Страница 20: ...temperatures of some of the components Check the identification nameplate and other decals for legibility Inspect chassis covers and brackets for warping bending surface damage or missing captive har...

Страница 21: ...patient to patient basis Once you set these default conditions you will rarely need to use the configuration screens again When you apply power to the ELI 150 it will operate according to the setting...

Страница 22: ...hrough the configuration pages Use F1 and F2 to move back and forth through each configuration option Use F3 to toggle through pre programmed available settings per configuration field Use Exit F6 to...

Страница 23: ...e Language Firmware language availability Screen One Volume Range from 0 8 Screen One Battery Timeout 10 min 30 min 60 min Screen One Flash Size Normal memory or Expanded memory optional Screen Two ID...

Страница 24: ...ELI 150 3 4 Append Unconfirmed Report Reviewed by Blank Screen Three of copies 0 9 Screen Three ECGs retrieved 0 7 Screen Three...

Страница 25: ...R aVL aVF Screen Four 3 Rhythm Lead 2 V1 V6 I II III aVR aVL aVF Screen Four 3 Rhythm Lead 3 V1 V6 I II III aVR aVL aVF Screen Four 6 Rhythm Lead 1 V1 V6 I II III aVR aVL aVF Screen Four 6 Rhythm Lead...

Страница 26: ...R aVL aVF Screen Five XMT Media RS232 Modem GSM LAN External Modem Screen Six DHCP LAN only Yes or No Screen Six IP Address XXX XXX XXX XXX Screen Six Def Gateway XXX XXX XXX XXX Screen Six Sub Net Ma...

Страница 27: ...p to four digits for the site number numbers from 0 4095 are supported Site Name This option defines your clinic hospital or office name You can enter up to 30 alphanumeric characters The site name pr...

Страница 28: ...ct number 3 3 Simultaneously press SHIFT ALT C 4 Press F2 four times 5 Press F3 until the desired language appears 6 F6 to return to Real Time ECG View Alphabets of specific languages may require the...

Страница 29: ...it includes the patient s first name room and comment fields The custom format which is designed in the Mortara E Scribe Data Management System can be downloaded to the ELI 150 The custom ID format is...

Страница 30: ...f weight and height to either pounds inches lb in or kilograms centimeters kg cm Date Format This option defines the format for entering and displaying the patient s date of birth in either the U S fo...

Страница 31: ...ting retrieves the most current ECG for that ID number Settings from one 1 to seven 7 retrieve the most current ECG plus X number of ECGs identified by the entered value EXAMPLE If you enter the numbe...

Страница 32: ...ctory NOTE manually save ECGs by selecting More F5 from the Acquired ECG view and Save F5 Auto Print ECG This option defines whether or not the ELI 150 will automatically print the ECG after acquisiti...

Страница 33: ...Data 3 1 2 5 seconds of 12 leads in a three channel format and the fourth channel is a 10 second rhythm strip of lead II user defined 3 2 5 seconds of 12 leads in a three channel format 3 3 2 5 second...

Страница 34: ...defines whether the Dynamic Host Communication Protocol DHCP will be used to obtain an IP address If DHCP is Yes the network will automatically and dynamically assign an IP address therefore there is...

Страница 35: ...3 3 15 Note addresses are always entered as 4 sets of 3 digits therefore an address of 192 168 0 7 must be entered on the ELI 150 as 192 168 000 007 Port Number Enter the port number used by the host...

Страница 36: ......

Страница 37: ...is manual Static sensitive parts Appropriate measures should be taken when opening this unit 4 CAUTION Remove AC power and battery fuse before attempting any disassembly Removal of the battery fuse wi...

Страница 38: ...lat blade screwdriver into the slot of the fuse holder item 2 push in slightly and rotate the screwdriver counterclockwise 1 4 turn The fuse holder item 2 is spring loaded and will come out easily The...

Страница 39: ...Installation From the standard operating position Turn unit over so that it is resting on the writer Locate the mounting screws for the top cover There are 7 screws around the perimeter of the unit a...

Страница 40: ...cing tape over the holes with the screw still in the hole The tape will hold the screws so that they will not be lost during disassembly Turn the unit over so that it is resting in its normal position...

Страница 41: ...Section 4 4 5 Open the writer door by lifting up on the writer door latch and sliding the door to the left...

Страница 42: ...ht side of the top cover to left a small distance Reach in and remove the keyboard LCD cable item 22 from the top cover of the unit Note Slide your hand into the unit and disconnect the Keyboard LCD i...

Страница 43: ...it rotating as needed to clear the writer door Set the cover to the side CAUTION With the cover off the unit dangerous voltages are present on the circuit board of the ELI 150 Care should be taken any...

Страница 44: ...ELI 150 4 8 Re assemble in reverse order...

Страница 45: ...holder and fuse Items 1 and 2 have been removed Locate the battery item number 4 near the front of the unit Slide the Fast on cable connections off of the battery Note the polarity of the battery conn...

Страница 46: ...ttery cables Note the polarity of the battery connections The red wire is connected to the positive terminal of the battery and the black wire is connected to the negative terminal of the battery Reas...

Страница 47: ...D Remove the mounting screws from the underside of the cover Note Four of the mounting screws are item 7 The remaining 2screws at the noted locations are item 6 and are shorter than the other screws T...

Страница 48: ...ed from the top cover The keyboard assembly consists of the Keyboard PCB item 26 LCD item 5 the Keypad item 3 and the keyboard bezel item 17 Remove the LCD cable from the keyboard by 1 sliding the con...

Страница 49: ...ns of double sided tape item 10 near the top of the LCD Care should be taken when removing the LCD from the keyboard cover When replacing the LCD remove the old double sided tape and cut a piece of do...

Страница 50: ...foam tape item 12 to approximately 2 inches 5 cm Place two strips of foam tape onto LCD as shown Place the remaining two strips over the first two strips as shown Leave the paper backing on the secon...

Страница 51: ...al of 5 cables that need to be removed 2 print head cables item number 35 1 cue sensor cable item 39 1 print head ground cable item 38 and the writer motor cable item 40 The picture above shows the lo...

Страница 52: ...ollowing picture shows the location of the writer motor cable item 40 NOTE The writer motor cable must be run behind the writer standoff and under the writer assembly for patient safety reasons Remove...

Страница 53: ...e bottom chassis Lift the bottom chassis straight off of the writer assembly CAUTION Due to the weight of the battery item 4 the bottom chassis of the unit may tilt off the writer while the unit is up...

Страница 54: ...ELI 150 4 18 Re assemble in reverse order...

Страница 55: ...over and locate the O Ring item 27 that holds the print head assembly to the writer base Remove the O Ring Please note that once the O Ring is removed the print head assembly will be loose in the wri...

Страница 56: ...ELI 150 4 20 Turn the writer over and open the writer door Carefully guide the printhead assembly out of the writer chassis making sure that no damage occurs to the cables attached to the printhead...

Страница 57: ...above shows the print head assembly spring bar and the O ring removed from the writer chassis To remove the print head from the print head assembly remove the Hex shoulder screw item 37 from the back...

Страница 58: ...nt head mount Remove the cables item 35 qty 2 from the print head Note An Antistatic brush is attached to the print head item 34 This brush must be installed on print head prior to reassembly Failure...

Страница 59: ...Section 4 4 23 Writer Motor Removal Installation Flip the writer assembly over and locate the writer motor and gear assembly Remove the three screws item 7 holding this assembly to the writer assembly...

Страница 60: ...a new writer motor into the gear assembly make sure that the writer motor gear item 41 is aligned with its mating gear of the gear assembly The set screw of the writer gear should be tightened to 4 1...

Страница 61: ...Section 4 4 25 Writer Door Removal Installation To remove the writer door the writer it is not required to remove the writer from the unit With the top cover of the unit removed open the writer door...

Страница 62: ...quickly pull the writer door item 42 towards the left of the unit The writer door should come off the writer assembly The writer door is retained on the writer assembly by two plastic clips Slide the...

Страница 63: ...Section 4 4 27 To replace the writer latch assembly flip the writer door over and locate the 4 screws item 43 securing the pivot bar retaining plates item 29 to the writer door...

Страница 64: ...riter door The writer latch consists of the following item numbers Item 30 Spring Item 31 Bar release pivot Item 32 Latch release Item 29 Pivot Bar restraining plate QTY 2 Item 43 Screws QTY 4 Reassem...

Страница 65: ...asures should be taken when the unit cover is removed Remove AC power before opening the unit Remove the battery fuse before opening the unit Note There are 5 different motherboards available for the...

Страница 66: ...ver and the writer assembly removed from the unit locate and remove all cables from the motherboard Remove the battery power Cable labeled A item 24 remove the Front End cable labeled B item 21 and th...

Страница 67: ...board When reinstalling the motherboard make sure that this cable is tie wrapped to the motherboard to ensure that the cable does not come in contact with the Front End board for patient safety reason...

Страница 68: ...ttery fuse until all cables have been connected to the board 3 The screws that hold the front of the motherboard down are shorter than the screws that hold the back of the motherboard down Make sure t...

Страница 69: ...Section 4 4 33 Front End Board Removal and Replacement Locate the front end board in the unit Remove the cable item 21 from the front end board to the motherboard...

Страница 70: ...lding the front end to the chassis to the right of the Front End and remove Note These screws will be shorter item 6 than those where the patient cable connects to the front end board item 7 This is i...

Страница 71: ...Section 4 4 35 Remove the screws item 7 near the patient cable connecter Lift the front end out of the chassis Reassemble in reverse order...

Страница 72: ......

Страница 73: ...an RS 232 level serial communications port internal power supply battery and battery re charge circuitry and optional internal MODEM The system utilizes CMOS digital components to minimize power cons...

Страница 74: ...ELI 150 5 2 ELI 150 Block Diagram...

Страница 75: ...grounding wire for the printhead Connectivity Options The connectivity options for the ELI 150 are Internal Modem GSM Modem External Modem LAN and Direct Connection Each one of these options except Di...

Страница 76: ...Patient Lead 2 V3 Patient Lead 3 V4 Patient Lead 4 V5 Patient Lead 5 V6 Patient Lead 6 SHIELD Isolated Front End Ground 7 Reserved 8 Reserved 9 RA Patient Lead 10 LA Patient Lead 11 LL Patient Lead 1...

Страница 77: ...Section 5 5 5 Specifications...

Страница 78: ...25018 038 50 CABLE ASSY KEYBOARD TO MOTHERBD ELI 150 1 23 25020 053 50 SPEAKER LEADS CONNECTOR ASSY ELI250 1 24 25020 063 50 CABLE ASSY BATTERY TO PCB ELI 150 1 25 26025 043 51 10K FRONT END PCB ASSY...

Страница 79: ...I 200 Printhead to PCB For use in connecting the SIM Simulator board to Remote SIM Connector Assembly on GSM modems 1 50 26025 073 50 SIM Simulator PCB 1 51 26025 074 50 Remote SIM Connector PCB 1 52...

Страница 80: ......

Страница 81: ...e going to the keyboard and the motherboard If disconnected reconnect and test again 4 Replace the Keyboard LCD cable With AC power on nothing displayed on LCD 1 Press any key on the keyboard If speak...

Страница 82: ...ace front end board 3 Replace motherboard No keyboard functions and LCD is frozen Note It is possible that the LCD may be active but not receiving new data There is a software problem 1 Remove AC powe...

Страница 83: ...transmission cable or the RS232 portion of the motherboard and the motherboard should be replaced Optional Modem Transmit Receive Problems If the unit does not transmit via the modem the first item to...

Страница 84: ...between 13 0 and 14 0 vdc 11 Remove AC power and the battery fuse 12 Remove the DMM and reconnect the battery cable to the battery 13 Close the unit Keyboard Test 1 Turn Unit on 2 Press the F1 ID key...

Страница 85: ...ration to find the Volume option 6 Highlight the Volume option and increase the value by pressing a number key note that the tone emitted by the speaker 7 Test different values from 0 turns the speake...

Страница 86: ...n to the main menu of the ELI 150 7 Observe the time in the lower left corner of the display it should be set to the correct time If the date and time are not retained there is a motherboard problem a...

Страница 87: ...rinted Check these lines for any missing dots If dots are missing the print head may need to be cleaned or replaced Also check the lines for any steps which can indicate a motor problem Another item t...

Страница 88: ...C as possible 3 Perform either the Writer test or print a test ECG The paper should cue to the next sheet of paper print and then advance to the beginning of the next sheet of paper 4 If the Writer te...

Страница 89: ...th the shorting plug connected to the input connector of the unit 2 Increase the gain of the unit to 20mm mV 3 Select the RHY button to print a rhythm strip 4 After 200 mm of paper have printed press...

Страница 90: ...ardiograph or to an E Scribe Data Management System using a direct connection or an optional factory installed internal modem Before transmitting ECGs to E Scribe the site number must be defined as we...

Страница 91: ...the far right hand column of the directory and to remove the delete status select F4 again To transmit one ECG select F2 Select to choose a record from the patient directory Use F1 to navigate down t...

Страница 92: ...perform the test transmission Modem Test Modem Transmission For a modem transmission connect the ELI 250 210 to a standard telephone jack with the provided phone line cable Plug the cable into the tel...

Страница 93: ...ication Menu From the Application Menu simultaneously press ALT SHIFT M to access the modem initialization string The following screens appear Approximately 30 second delay Select F2 GCI to populate t...

Страница 94: ...6C Brazil 16 Mexico 73 Canada 20 Netherlands 7B Czech Republic 2E New Zealand 7E China 26 Norway 82 Denmark 31 Poland 8A Finland 3C Portugal 8B France 3D Russia B8 Germany 04 South Africa 9F Greece 46...

Страница 95: ...Mortara model cardiographs ELI 100 ELI 200 Landscape and Portrait will not receive the ELI 150 records WLAN Test The following test requires a properly configured access point and test software to re...

Страница 96: ...a T flag will be set indicating proper transmission The transmitted ECG can be seen in the target directory C UNIPRO listed as a new file Safety Tests If the cardiograph housing was opened for repair...

Страница 97: ...IL Circle one Writer Assembly Cue Sensor Adjustment see section A 1 1 Mechanical Operation PASS FAIL Circle one 2 Print Head Alignment PASS FAIL Circle one 3 Print Quality PASS FAIL Circle one 4 Cue S...

Страница 98: ...to transmit and receive ECG information via the nine pin serial port on the back of the ELI 150 The RS232 Serial Connectivity option is the only option that does not require a modification to the mot...

Страница 99: ...LAN Connectivity Option The LAN Connectivity option for the ELI 150 is soldered to the motherboard and is not field replaceable If there is a problem with the LAN option the motherboard will require...

Страница 100: ......

Страница 101: ...the motherboard or the GSM modem itself you will not be able to tell which GSM modem is installed If the motherboard of the ELI 150 must be replaced it must be replaced with the correct type of GSM m...

Страница 102: ...to the modem of the new motherboard A connection from the GSM modem to the Remote SIM Connector PCM item 51 board will be required Take either the existing SIM simulator board item 50 and the cable it...

Страница 103: ...I 150 7 5 Use tape to secure the SIM simulator PCB item 50 to the GSM modem Install the 4 standoffs item 55 onto the motherboard The standoffs will secure the Remote SIM Connector PCB to the motherboa...

Страница 104: ...d of the SIM simulator cable item 49 by connecting it to the Remote SIM PCB item 51 Press the Remote SIM PCB item 51 onto the standoffs making sure that the orientation of the Remote SIM PCB is correc...

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