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SERVICE MANUAL - Frank`s Hospital Workshop

1. Section 4 Configuration and Service Modes In the service mode select menu item 7 by pressing the UP or DOWN ARROW buttons until 7 appears in the SYSTOLIC display Press the UPPER ALARM LIMIT button The number 7 0 appears in the SYSTOLIC display Read the error codein the DIASTOLIC display A value of O indicates that the error log entry is not in use Press the UP ARROW button to display 7 1 in the SYSTOLIC display Read the number of occurrences of this particular error code in the DIASTOLIC display A value of 256 indicates there have been 256 or more occurrences Press the UP ARROW button again The time in operating hours of the last occurrence of the error is displayed in the SYSTOLIC and DIASTOLIC display fields Press the LOWER ALARM LIMIT button to return to the service mode steady state 4 3 8 Menu Item 17 Instrument Identification IID Report This report displays a hexadecimal number corresponding to the instrument identifier This number should agree with the address label on the outside of the instrument However the label and the internal value may disagree if the monitor UIF module was replaced and the external label was not changed L F rom the service mode select menu item 17 by pressing the UP or DOWN ARROW buttons Press the UPPER ALARM LIMIT button A hexadecimal number should appear across the entire monitor display field with an H in the last far right position Verif
2. Press the UP or DOWN ARROW button to return to the service mode steady state 4 3 4 Menu Item 4 Speaker Test Mode This menu item verifies that the volume control is functional and determines whether or not there are any discontinuities or saturation conditions in the audible output 1 From the service mode steady state select menu item 4 by pressing the UP or DOWN ARROW buttons until 4 appears in the SYSTOLIC display Press the UPPER ALARM LIMIT button A 1 should appear in the DIASTOLIC display 411 Section 4 Configuration and Service Modes 2 Press the UP ARROW button As the number in the DIASTOLIC display increases to a maximum of 254 the volume should correspondingly increase 3 Press the DOWN ARROW button to decrease the volume 4 PresstheLOWER ALARM LIMIT button to return to the service mode steady state 4 3 5 Menu Item 5 Internal Configuration Code ICC Report This menu item confirms whether or not the current monitor configuration is the desired configuration The I CC is the hexadecimal representation of the instrument hardware configuration derived by the processor through direct internal examination of the hardware and software present in the N 3100 1 From the service mode select menu item 5 by pressing the UP DOWN ARROW buttons until 5 appears in the SYSTOLIC display Press the UPPER ALARM LIMIT button The ICC value should be O appears in the DIASTOLIC display followed by t
3. The AUDIBLE ALARM SILENCE button and knob on an N 3000 stacked with the N 3100 have no effect on the N 3100 Stack Problems Cont Ensure that a good docking connection exists between the N 3000 and N 3100 Ensure that a good docking connection exists between the N 3100 and the N 3000 the N 3200 or both Check that an SPS power supply connected to the N 3100 is functioning properly or that AC power connected to the N 3200 is correct Earlier N 3000 versions do not have the ability to communicate properly with the N 3100 After ensuring that a good docking connection exists contact Nellcor Puritan Bennett s Technical Services Department or your local Nellcor Puritant Bennett representative for information on retrofitting the N 3000 SECTION 6 DISASSEMBLY GUIDE 6 1 Introduction 6 2 Fuse Replacement 6 3 Monitor Disassembly 6 4 Lithium Battery Replacement 6 5 Reassembly 6 1 INTRODUCTION The N 3100 can be disassembled down to all major component parts including PCBs lithium batteries cables function keys chassis enclosures Tools required for disassembly e small Phillips head screwdriver e medium Phillips head screwdriver e needle nose pliers WARNING Before attempting to open or disassemble the N 3100 disconnect the AC power cord from the N 3100 Caution Observe E SD electrostatic discharge precautions when working within the unit If the bottom cover is
4. for a few seconds From the normal mode steady state press the UPPER ALARM LIMIT button two times rapidly Verify that the monitor emits two beeps and that the DIASTOLIC display indicates an alarm limit of 210 for a few seconds From the normal mode steady state press the LOWER ALARM LIMIT button two times rapidly Verify that the monitor emits two beeps and that the DIASTOLIC display indicates an alarm limit of 50 for a few seconds From the normal mode steady state press the UPPER ALARM LIMIT button three times rapidly Verify that the monitor emits three beeps and that the MEAN PULSE RATE display indicates an alarm limit of 225 for a few seconds From the normal mode steady state press the LOWER ALARM LIMIT button three times rapidly Verify that the monitor emits three beeps and the MEAN PULSE RATE display indicates an alarm limit of 55 for a few seconds From the normal mode steady state press the UPPER ALARM LIMIT button four times rapidly Verify that the monitor emits four beeps the PULSE RATE indicator lights and that the MEAN PULSE RATE display indicates an alarm limit of 170 for a few seconds From the normal mode steady state press the LOWER ALARM LIMIT button four times rapidly Verify that the monitor emits four beeps the PULSE RATE indicator lights and the MEAN PULSE RATE display indicates an alarm limit of 40 for a few seconds Press the ON STANDBY button to place the N 3100 in
5. part terminals during this test Exercise caution to avoid electrical shock hazard 1 Configure the electrical safety analyzer as follows Function Patient Leakage MOAP Range uA 3 18 Section 3 Performance Verification Connect the monitor AC plug to the electrical safety analyzer as recommended by the operating instructions for patient sink leakage current Connect the electrical safety analyzer patient leakage input lead to the patient connector on the monitor s sensor input The equipotential terminal is not connected to ground All functional earth terminals are not connected to ground The analyzer leakage current must not exceed 10 uA for any of the conditions shown below Table 3 3 Patient Leakage Current Test Configurations Mains Voltage on the Applied Part AC LINE NEUTRAL LINE POWER LINE POLARITY GROUND CABLE 3 19 SECTION 4 CONFIGURATION AND SERVICE MODES 4 1 Introduction 4 2 Configuration Mode 4 3 Service Mode 4 1 INTRODUCTION This section discusses use of the configuration mode to configure power on default values and the service mode to identify and correct monitor difficulties 42 CONFIGURATION MODE The following paragraphs describe how to enter the N 3100 configuration mode and change factory power on default settings Note The N 3100 can be powered by an SPS external power supply or by an N 3200 when the N 3100 and N 3200 are stacked The following procedure
6. Bennett s Technical Services Department or your local Nellcor Puritan Bennett representative 5 Inspect fuse s for proper rating AC inlet fuse 0 8 Amp 250 Volt If necessary replace as described in paragraph 6 2 Nellcor Puritan Bennett recommends replacing all instrument batteries at least every 2 years To replace the batteries refer to Section 6 Disassembly Guide If the N 3100 has been stored for more than 30 days and has not been connected to an SPS power supply charge the battery before use A fully discharged battery requires a 14 hour charge for a full charge A 6 hour charge is required for 1 hour of operating time Connect the N 3100 to an SPS external power supply during storage to ensure that the battery remains fully charged and the N 3100 is ready for immediate use SECTION 3 PERFORMANCE VERIFICATION 3 1 3 2 3 3 3 4 3 1 INTRODUCTION Introduction Equipment Needed Performance Tests Safety Tests This section discusses the tests used to verify performance of the monitor All tests are accomplished through the control panel 32 EQUIPMENT NEEDED Equipment Description AC Power Adapter SPS I or SPS I 1 International or SPS N or SPS N1 North American Electrical Safety Analyzer Must meet current AAMI specifications Blood Pressure Simulator Bio tek BP Pump Noninvasive Blood Pressure Analyzer or equivalent 33 PERFORMANCE TESTS The following tests are used to verify performance of
7. Error Log However if you find it necessary to contact Nellcor Puritan Bennett s Technical Services Department or your local Nellcor Puritan Bennett representative they may request information from the Error Log Table A 3 N 3100 Internally Corrected Error Codes Error Code Explanation General failure of POST A blood pressure module POST error has occurred Software cannot allocate a resource ran out of a dynamic resource memory corruption during initialization or a logic error resulting from a low probability combination of events Temporary program memory has been exceeded stack A program task has been found to be over or under dispatched An illogical state or result has occurred that is likely to have been caused by working memory corruption or other device malfunction 156 An unexpected result has occurred in communication bus a L 157 An unexpected event or condition has occurred in an ge Operating mode has changed unexpectedly Internal memory structures have been corrupted or an expected parcel has been misdirected or corrupted An unknown microprocessor interrupt has occurred A 5 TECHNICAL SUPPLEMENT S1 S2 INTRODUCTION OVERVIEW S1 Introduction S2 Overview S3 Stackbus Interconnect S4 Circuit Analysis S5 Schematic Diagrams This Technical Supplement provides the reader with a summary of the N 3100 operating principles and an in depth discussion of N 3100 circuits A functional ov
8. If the action requires replacement of a PCB refer to Section 6 Disassembly Guide Table 5 5 Button Problems Condition Recommended Action 1 TheN 3100turnson 1 Check connection between the UIF PCB and but does not respond the Display PCB to one of the buttons other buttons are operational 2 Replacethe Display PCB TheN 3100turnson 1 PresstheNEW PATIENT NEONATAL button but does not respond twice rapidly If the NEONATAL MODE to any of the buttons indicator lights replace the Display PCB 2 If the NEONATAL MODE indicator does not light replace the UIF PCB Table 5 6 lists symptoms of problems relating to nonfunctioning displays audible tones or alarms and recommended actions If the action requires replacement of a PCB or module refer to Section 6 Disassembly Guide Table 5 6 Display Alarms Problems Condition Recommended Action 1 Display values are 1 Replace the Display PCB missing or erratic If the condition still persists replace the UIF PCB 2 Display segments do Check the connection between the UIF PCB not light and the Display PCB If the condition does not change replace the Display PCB If the condition still persists replace the UIF PCB Alarm sounds for no Moisture or spilled liquids can cause an alarm apparent reason to sound Allow the monitor to dry thoroughly before using Replace UIF PCB N 3100 responds to Check the connection between th
9. Pressure Sensor Stet gt Measurement Pressure CPU Sensor Power Conditioning 10 5 5 6 Serial Communications Link UIF Board ER Power 1a On Stby Patient Batt Bus Management Button g Circuitry External Serial g Watchdog EEPROM 3 ARCNET z MAXIM 691 128K byte Charge Bus Controller g 8 COM20020 r 2 amp Parallel Yy y EEPROM a 8Kx8 Sensorbus ROM Addr Data Lithium 512Kx16 AD Battery Persistent x2 RAM Time or 128Kx8 Clock Charge Bus Switched Power lt Power Fail Alarm T Display Board BUTTONS INDICATORS Cutoff LED shift registers and drivers gt 7219 MAXIM gt p 7219 MAXIM SPI NEO OG Audible Alarm Off e Print c5 Start Stop Key Matrix Q eo Pulse to SPI Cycle Controller AUTO 10 Up Arrow pp MAN eo Down Arrow gt Alarm Silence J Upper Limit gt gt PRINT Lower Limit gt gt Bat in Use _J POWER Hardwired to Power Supply Figure S4 1 N 3100 Functional Block Diagram 5 4 Technical Supplement 4 2 DETAILED CIRCUIT ANALYSIS The following paragraphs discuss the operation of each of the printed circuit boards within the N 3100 blood pressure monitor Refer to the appropriate schematic diagram at the end of this appendix as
10. Rate Paragraph 3 3 2 5 Cuff Deflation Rate Paragraph 3 3 2 6 High Pressure Adult Paragraph 3 3 2 7 High Pressure Neonate 3 3 3 3 Section 3 Performance Verification These tests can be performed individually in any order or sequentially However all of the tests must be performed to verify the pneumatic system functionality Prior to performing any of these tests perform the following setup procedure If these tests are performed in sequence this procedure needs to be performed once prior tothe first test L Turn on the Bio Tek simulator and press the MODE button three times to place the simulator in the tests mode The simulator screen will indicate Internal Cuff and Pressure Gauge Connect the simulator hose to the hose connector on the right side panel of the N 3100 With the N 3100 in the standby mode off and connected to AC power while simultaneously pressing and holding the UPPER ALARM LIMIT button the LOWER ALARM LIMIT button and the PRINT button press and release the ON STANDBY button Continue to hold down the UPPER ALARM LIMIT LOWER ALARM LIMIT and PRINT buttons until the Power On Self Test is complete SEr will flash in the MEAN PULSE RATE display Within 15 seconds press and release the PRINT button to place the N 3100 in the service mode steady state SE r is continuously displayed in the MEAN PULSE RATE display Note To exit any test and return to the service mode st
11. The persistent time in seconds is displayed in the SYSTOLIC and DIASTOLIC displays Using a watch or other timepiece note the time to the nearest second Wait 3 minutes from the time you originally noted Subtract the first figure you noted from the figure now displayed The difference should equal approximately 3 minutes 180 seconds Press the LOWER ALARM LIMIT button toreturn to the service mode steady state 4 3 11 Menu Item 20 Reset to Factory Defaults This function allows the service technician to reset the monitor to the N ellcor factory default settings See the Specifications section of this manual 1 From the service mode steady state select menu item 20 by pressing the UP or DOWN ARROW buttons Press the UPPER ALARM LIMIT button Verify that the N 3100 emits three short beeps to indicate that the default settings have been successfully reset to the factory default values Any alarm limit that was set to a value other than the factory default is now lost The N 3100 automatically exits the menu item and returns to the service mode If the reset is successful the monitor will beep If the reset was not successful an error code will be displayed 4 3 12 Menu Item 21 Initial Cluster Instrument Number CIN Selection 414 This function allows the service technician to select the initial cluster instrument number CIN address for an N 3100 that is being used ina stacked configuration 1 From the service mode
12. Verify that the monitor emits a single beep when you press the button Within 3 seconds verify that the SYSTOLIC display indicates an alarm limit value of 50 the default systolic lower alarm limit and verify that the other displays show dashes at the bottom while the 50 is displayed 37 Section 3 Performance Verification 38 4 10 11 12 13 From the normal mode steady state press and release the LOWER ALARM LIMIT button Within 3 seconds press and hold the DOWN ARROW button until 40 is displayed in the SYSTOLIC display Verify that 40 is the lowest value to which the lower alarm limit can be adjusted From the normal mode steady state press and release the LOWER ALARM LIMIT button Within 3 seconds press and hold the UP ARROW button and verify that 50 is the highest value to which the lower alarm limit can be adjusted From the normal mode steady state press the UPPER ALARM LIMIT button twice Verify that the monitor emits a single beep each time you press the button Verify that the DIASTOLIC display indicates a default alarm limit value of 80 for a few seconds and verify that the other displays show dashes at the top while the 80 is displayed From the normal mode steady state press the UPPER ALARM LIMIT button twice Press and hold the DOWN ARROW button until 30 is shown in the DIASTOLIC display From the normal mode steady state press the LOWER ALARM L
13. connected to and controlled by the UIF The Display board block diagram is shown in Figure S4 4 Systolic Display Driver Diastolic o Synchronous Serial Interface Indicators Audible Alarm Off Cycle Pulse Rate Manual Auto Printer Available Neonatal Battery In Use Printer In Use Stacked Five Volt Supply On Standby E AEAEE A A A EE E AN AAE S EE A A A E E Buttons Upper Alarm Limit Lower Alarm Limit be PIC 4 Print r Start Stop Measurement Interrupt Stat Pulse Cycle Up Arrow Down Arrow p On Standby Audible Alarm Off boet Ba ated cee te tee eee oe ote ee On Off Circuitry Figure S4 4 Display Board Block Diagram The display driver ICs consist of U1 and U2 which use a 3 wire serial interface connect to the CPU U3 on the UIF Power Supply module The two drivers used on this module are cascaded together and require that the host microprocessor write 32 bits 16 x 2 to the board per each display update The front panel POWER LED DS23 is lit whenever the monitor power supply is on Technical Supplement There are 11 buttons on the display panel the ON STANDBY button SW1 and the AUDIBLE ALARM OFF button SW2 are connected directly tothe
14. connected to ground Table 3 1 Earth Leakage Current Limits AC LINE NEUTRAL POWER LINE LEAKAGE POLARITY LINE EARTH CURRENT 3 17 Section 3 Performance Verification 3 4 2 2 Patient Leakage Current This test is in compliance with AAMI Standard ES1 paragraph 3 3 2 and IEC 601 1 Patient Leakage Current is measured between any individual patient connection and power earth ground 1 Configure the electrical safety analyzer as follows Function Patient Leakage Range uA 2 Connect the monitor AC plug to the electrical safety analyzer as recommended by the analyzer operating instructions for Patient Leakage Current 3 Connect the electrical safety analyzer patient leakage input lead to the monitor s patient connector 4 The equipotential terminal is not connected to ground 5 All functional earth terminals are not connected to ground 6 The leakage current must not exceed the values shown in the table below Table 3 2 Patient Leakage Current Limits AC LINE NEUTRAL POWER LINE LEAKAGE POLARITY LINE GROUND CURRENT CABLE 3 4 2 3 Patient Leakage Current Mains Voltage on the Applied Part This test is in compliance with AAMI Standard ES1 paragraph 4 4 and IEC 601 1 Patient Leakage Current is the measured value in a patient connection if a source of 240 Volts 50 Hz with respect to power earth ground is connected to that patient connection Warning AC mains voltage will be present on the patient applied
15. indicates the rate in mmHg per second to the nearest tenth required to depressurize from 100 to 60 mmHg Using the UP ARROW button go to menu item 32 3 in the SYSTOLIC display The DIASTOLIC display indicates the rate in mmHg per second to the nearest tenth required to depressurize from 60 to 30 mmHg Return to the service mode steady state by pressing the LOWER ALARM LIMIT button 4 3 19 Menu Item 33 Adult Leak Test Mode The adult leak test verifies the integrity of the pneumatic system in the adult mode A 220 cm3 test chamber is required 1 Connect the 220 cm test chamber to the hose connector on the right side panel of the N 3100 From the service mode steady state press the UP or DOWN ARROW buttons until menu item 33 is displayed in the SYSTOLIC display Press and release the UPPER ALARM LIMIT button Press and release the START STOP button The chamber begins to pressurize to approximately 300 mmHg The current pressure reading will be displayed in the DIASTOLIC display until the test is completed Approximately 4 minutes later the chamber will depressurize The SYSTOLIC display indicates menu item 33 0 The DIASTOLIC display indicates the change in pressure from the reference pressure reading until the end of the 4 minute period in mmHg Return to the service mode steady state by pressing the LOWER ALARM LIMIT button 4 3 20 Menu Item 34 Neonate Leak Test Mode 418 The neonate leak test verifie
16. initialization or during steady state operation Internally corrected error In this case nothing may happen or a shrill continuous alarm may sound and the display may go blank This represents a severe hardware failure For example the UIF microprocessor could not activate the display or speaker facilities An EEExxx code representing the failure is displayed and a low priority alarm sound is produced but no entry is made in the Error Log POST has proceeded to the point that the UIF microprocessor has control of the display and speaker facilities The error cannot be logged because the Error Log portion of the EEPROM has failed or internal communications to the Error Log cannot be established An EEExxx code representing the failure is displayed a low priority alarm sound is produced and a failure type error entry is made in the Error Log These errors do not appear on the display and they do not cause an alarm However they are entered in the Error Log These errors represent events that have occurred in the instrument that are undesirable but for which the instrument has effective means of recovery Examples of these types of errors include such things as watchdog resets data stream restarts due to data underrun or stoppage and resource exhaustion for example not enough memory buffers or not enough CPU cycles Appendix Table A 1 Error Types Cont 5 User correctable error An EEE Oxx code representi
17. of the MEAN PULSE RATE display will be the day of the month of the program date Press the UP ARROW button to display 37 2 in the SYSTOLIC display The first two digits of the DIASTOLIC display will be the first byte of the version in hexadecimal format The third digit will be H indicating this is a hexadecimal representation The first two digits of the MEAN PULSE RATE display will be the second byte of the version in hexadecimal format Again the third digit will be H indicating this is a hexadecimal representation Press the UP ARROW button to display 37 3 in the SYSTOLIC display The first two digits of the DIASTOLIC display will be the third byte of the version in hexadecimal format The third digit will be H The first two digits of the MEAN PULSE RATE display will be the fourth byte of the version in hexadecimal format The third digit will be H 10 Press the UP ARROW button to display 37 4 in the SYSTOLIC display Section 4 Configuration and Service Modes 11 The first two digits of the DIASTOLIC display will be the fifth byte of the version in hexadecimal format The third digit will be H The first two digits of the MEAN PULSE RATE display will be the sixth byte of the version in hexadecimal format The third digit will be H 12 Press the UP ARROW button to display 37 5 in the SYSTOLIC display 13 The first two digits of the DIASTOLIC display will be the seven
18. oscillator to emit a tone to the Piezo speaker and blank the display This signal remains active until the AUDIBLE ALARM OFF button is pressed Display drivers The QSM serial port is used to communicate with the two display drivers on the Display board through the serial line The driver data lines are daisy chained together so that only PCSO is needed to communicate to both drivers 54 2 1 3 Power Supply The UIF Power Supply PCB contains three DC DC converters that convert voltages from the SPS power supply or the N 3000 battery to the 5 voltage needed in the N 3100 There are additional DC DC power converters that supply 6 volts to the pump valves and the 10 5 volts that power the analog circuits and dump valves in the Blood Pressure module Power on off A latch composed of two gates of CMOS U 20 controls the power on FET Theinput voltage is filtered and reduced by CR15 to approximately 9 5 volts when the unit is on and approximately 9 8 volts when the unit is off Switch U19 controls the destination of the front panel ON STANDBY button If the 5 volt supply is off the button press sets the latch allowing the power to the DC DC converters When the supply is on a button press generates an level 6 interrupt to the HC16 and the latch is turned off by the software Battery backup The real time clock the power on reset and watchdog timer and the power loss CPU failure logic are the only elements on the board that have th
19. rate in mmHg per second to the nearest tenth required to depressurize from 60 to 30 mmHg A reading of 2 6 4 4 seconds indicates successful completion of the test Return to the service mode steady state by pressing the LOWER ALARM LIMIT button 3 3 2 6 High Pressure Adult The high pressure test verifies the functionality of the high pressure relief valve in the adult mode Prior to performing this procedure the setup procedure in paragraph 3 3 2 must be completed 1 Press the SELECT button on the Bio Tek simulator until Over Pressure Test is displayed From the N 3100 service mode steady state press the UP DOWN ARROW button until menu item 35 is displayed in the SYSTOLIC display Press and release the UPPER ALARM LIMIT button Press and release the START STOP button As soon as the N 3100 pump begins to operate press the START TEST button on the simulator The current pressure in mmHg is displayed in the DIASTOLIC display The simulator begins to pressurize until the high pressure relief val ve opens If the pressure relief valve does not open by the time 331 mmHg is reached the test is unsuccessful The SYSTOLIC display indicates menu item 35 The DIASTOLIC display indicates the maximum pressure achieved If the high pressure relief valve does not open the DIASTOLIC display flashes A reading of 330 mmHg or less indicates successful completion of the test Return to the service mode steady state by pressing the LO
20. steady state select menu item 21 by pressing the UP or DOWN ARROW buttons Press the UPPER ALARM LIMIT button The number 21 is shown in the SYSTOLIC display and the current hexadecimal CIN is shown in the DIASTOLIC display If the displayed CIN is different from the number stored in the N 3100 memory the CIN will flash To select a new CIN press the UP and DOWN ARROW buttons New CIN values must be in the range of 1 to 15 Once you have selected a new CIN press the UPPER ALARM LIMIT button to save the new CIN in the N 3100 memory Press the LOWER ALARM LIMIT button to return to the service mode steady state Section 4 Configuration and Service Modes 4 3 13 Menu Item 23 Enable Disable Alarm Silence Reminder This function allows the service technician to disable or enable the Alarm Silence Reminder feature 1 From the service mode steady state select menu item 23 by pressing the UP or DOWN ARROW buttons Press the UPPER ALARM LIMIT button Observe the current Alarm Silence Reminder setting of O disabled or I enabled in the DIASTOLIC display If the displayed value is different from the stored power on default value the displayed value will flash To change the Alarm Silence Reminder setting press the UP or DOWN ARROW button until the desired setting is displayed Press the UPPER ALARM LIMIT button to store the displayed value as the power on default Press the LOWER ALARM LIMIT button to return to
21. the 55 is displayed From the normal mode steady state press and release the LOWER ALARM LIMIT button three times Within 3 seconds press and hold the DOWN ARROW button until 55 is shown in the MEAN PULSE RATE display Verify that 55 is the lowest value to which the lower alarm limit can be adjusted From the normal mode steady state press and release the LOWER ALARM LIMIT button three times Within 3 seconds press and hold the UP ARROW button and verify that 55 is the highest value to which the lower alarm limit can be adjusted From the normal mode steady state press and release the UPPER ALARM LIMIT button four times Verify that the monitor emits a single beep each time you press the button Verify that the PULSE RATE indicator is lit and the MEAN PULSE RATE display indicates the default alarm limit value of 170 for a few seconds and verify that the other displays show a dash at the top of each display character while the 170 is displayed From the normal mode steady state press and release the UPPER ALARM LIMIT button four times Press and hold the DOWN ARROW button until 40 is shown in the MEAN PULSE RATE display From the normal mode steady state press and release the LOWER ALARM LIMIT button four times Verify that the monitor emits a single beep each time you press the button Within 3 seconds verify that the PULSE RATE indicator is lit and the MEAN PULSE RATE display indicates the d
22. the display to time out 3 seconds 4 2 7 Mean Lower Alarm Limit L From configuration mode steady state press the LOWER ALARM LIMIT button three times The current default value is displayed in the MEAN PULSE RATE display To change the lower alarm limit value press and hold the UP or DOWN ARROW button on top of the monitor You cannot increase the value higher than the set upper alarm limit To place the monitor back into configuration mode steady state allow the display to time out 3 seconds 4 2 8 Pulse Rate Upper Alarm Limit 1 From configuration mode steady state press the UPPER ALARM LIMIT button four times The PULSE RATE indicator will light and the current default value will be displayed in the MEAN PULSE RATE display To change the upper alarm limit value press and hold the UP or DOWN ARROW button on top of the monitor You cannot decrease the value lower than the set lower alarm limit To place the monitor back into configuration mode steady state allow the display to time out 3 seconds 4 2 9 Pulse Rate Lower Alarm Limit L 4 4 F rom configuration mode steady state press the LOWER ALARM LIMIT button three times The PULSE RATE indicator will light and the current default value will be displayed in the MEAN PULSE RATE display To change the lower alarm limit value press and hold the UP or DOWN ARROW button on top of the monitor You cannot increase the value higher than the set upper alarm
23. the N 3100 and should be performed following troubleshooting and repairs If the N 3100 fails any test refer to Section 5 Troubleshooting 3 3 1 Power up The power up tests paragraphs 3 3 1 1 through 3 3 1 3 verify the following monitor functions 3 3 1 1 Power On Self Test Power On Self Test Power On Defaults for Adult Pediatric Alarm Limits and Ranges Power On Defaults for Neonatal Alarm Limits and Ranges Connect the monitor to model SPS I or SPS 11 or model SPS N or SPS N1 external power supply or if stacked with the N 3200 connect AC power to the N 3200 Do not connect any hoses or cuffs to the monitor 31 Section 3 Performance Verification 32 3 Observe the monitor front panel With the N 3100 in STANDBY turned off press the ON STANDBY button In order to successfully complete the self test the monitor must perform the following sequence a The monitor emits three consecutively higher pitched beeps b All indicators light momentarily as illustrated in Figure 3 1 Verify that 8 8 8 is shown in the SYSTOLIC DIASTOLIC and MEAN PULSE RATE displays Note Slight differences in the brightness of display segments and indicators are normal and acceptable Figure 3 1 Self Test Display c All displays except the POWER ON indicator turn off briefly d Each segment in the digital displays lights individually in sequence in ascanning or firefly test pattern and all
24. the service mode steady state 4 3 14 Menu Item 24 Pressure Calculation Algorithm Selection This function allows the service technician to select the algorithm used for computing blood pressure values to be displayed 1 From the service mode select menu item 24 by pressing the UP or DOWN ARROW buttons Press the UPPER ALARM LIMIT button Observe the current pressure calculation algorithm setting 1 raw 2 adjusted in the DIASTOLIC display If the displayed value is different from the power on value the displayed value will flash To change the pressure calculation algorithm setting press the UP or DOWN ARROW button until the desired setting is displayed Press the UPPER ALARM LIMIT button to store the displayed value as the power on default Press the LOWER ALARM LIMIT button toreturn to the service mode steady state Note When pressure calculation algorithm 2 adjusted is selected and the N 3100 is operating in the adult pediatric mode the displayed systolic blood pressure value will be adjusted by 2 mmHg from the value measured by the NIBP module In addition the displayed diastolic blood pressure value will be adjusted by 5 mmHg from the value measured by the NIBP module When pressure algorithm 1 raw is selected and the N 3100 is operating in the adult pediatric mode the displayed systolic and diastolic blood pressure values will be the same as the values measured by the NIBP module When the N 3100 is operat
25. the service mode procedure described in Paragraph 4 3 11 Menu Item 20 or configuration mode as described in Paragraph 4 2 13 Configuration M enu item 3 In the following procedures each time the UPPER ALARM LIMIT button or the LOWER ALARM LIMIT button is pressed the N 3100 will emit a beep When observing or changing default limits a 3 second timeout is in effect that is if no action is taken within 3 seconds the monitor automatically returns to the normal operating mode steady state The following procedures use the N 3100 UP and DOWN ARROW buttons located on the top of the monitor When the N 3100 is stacked with the N 3000 the N 3200 or both the Nellcor knob on either of these units can be used to perform the function of the N 3100 UP and DOWN ARROW buttons Turning the Nellcor knob in a clockwise direction is equivalent to pressing the N 3100 UP ARROW button Turning the knob in a counterclockwise direction is equivalent to pressing the N 3100 DOWN ARROW button There will be no sounds or beeps associated with turning a Nellcor knob When the N 3100 is stacked with the N 3000 the UP and DOWN ARROW buttons are not accessible and the Nellcor knob must be used 1 Press the ON STANDBY button to turn the unit on Verify that the N 3100 is in adult pediatric mode which is indicated by the NEONATAL MODE indicator being off If the indicator is lit quickly press and release the NEW PATIENT NEONATAL button twice to place the
26. together Figure 6 2 Screws Screws J Q _ Sa ae EE Sa ERTER ES LY Figure 6 2 N 3100 Corner Screws 6 2 Section 6 Disassembly Guide 5 Separate the bottom enclosure from the top half of the monitor keeping the right side panel attached to the bottom enclosure and the left side panel attached to the top 6 Disconnect the blood pressure module ribbon connector from the UIF board as illustrated in Figure 6 3 Right panel Lower docking connector ribbon ON STBY button Pump hose Blood Pressure module ribbon connector Bottom enclosure Figure 6 3 Separating the Monitor and Disconnecting the Cables 6 3 1 Replacing the Piezo Speaker To replace the Piezo speaker 1 Disconnect the Piezo assembly wires from the UIF board 2 Unsnap the speaker from the form fitted side cover by gently prying it with a small screwdriver Install a new speaker 6 3 Section 6 Disassembly Guide 6 3 2 Replacing the Monitor Speaker Toreplace the monitor speaker 1 Disconnect the lower docking connector ribbon from the UIF board by depressing the bar at the top of the connector on the UIF board and carefully pulling on the ribbon cable 2 Disconnect the speaker connector from the UIF board 3 Loosen the two screws securing the monitor speaker a
27. use caustic or abrasive cleaners Do not spray or pour any liquid on the monitor or its accessories To dean the N 3100 dampen a cloth with a commercial nonabrasive cleaner and wipe the instrument exterior surfaces lightly Do not allow any liquids to come in contact with the power connector fuse holder or switches Do not allow any liquids to penetrate connectors or openings in the instrument cover For cuffs and hoses follow individual directions for use PERIODIC SAFETY AND FUNCTIONAL CHECKS BATTERIES The following safety checks should be performed by a qualified service technician after any repair or opening of the case upon return of the instrument from any use outside your institution s control or at least every 2 years 1 Inspec the exterior of the N 3100 and verify that there is no evidence of damage Refer to Section 5 Troubleshooting for repair If the N 3100 cannot be repaired contact Nellcor Puritan Bennett s Technical Services Department or your local Nellcor Puritan Bennett representative 2 Inspect safety labels for legibility If labels are not legible contact Nellcor Puritan Bennett s Technical Services Department or your local Nellcor Puritan Bennett representative 3 Verify that the monitor performs properly as described in paragraph 3 3 4 Perform the electrical safety tests detailed in paragraph 3 4 If the unit fails these electrical safety tests do not attempt to repair contact Nellcor Puritan
28. value in the display window To exit the configuration mode turn the monitor off by pressing the ON STANDBY button or allow the monitor to turn off automatically after a 2 minute timeout The monitor retains the configuration settings existing at the moment the N 3100 is turned off as the power on default settings 41 Section 4 Configuration and Service Modes 42 Note While changing limits there must be some user interaction with the monitor within a 3 second period or the monitor returns to configuration mode steady state operation Table 4 1 lists the default settings that can be configured and the respective buttons to press to access the settings Methods used to change the default settings are detailed in paragraphs 4 2 1 through 4 2 13 Table 4 1 Configuration Mode Menu one ee Default Setting Configuration Mode Steady State Mean Upper Alarm Limit Press UPPER ALARM LIMIT button three times Mean Lower Alarm Limit Press LOWER ALARM LIMIT button three times Pulse Rate U pper Alarm Press UPPER ALARM LIMIT button four Limit times Pulse Rate Lower Alarm Press LOWER ALARM LIMIT button four Limit times Alarm Volume Press and hold ALARM SILENCE button Alarm Silence Duration Press ALARM SILENCE button and within 3 seconds press UP or DOWN ARROW button Auto Measurement Cycle Press CYCLE button Interval Configuration Menu Press UPPER and LOWER ALARM LIMIT buttons simultaneously Adult P ediatric N eonatal Press NEW PATIEN
29. 01 031771 030361 030079 031779 640112 031780 030110 030472 031764 030800 031777 031509 033867 033877 901862 901861 Figure 7 1 shows the N 3100 expanded view with numbered callouts relating to item numbers listed on the spare parts list Section 7 Spare Parts Pump bracket 24 Blood Pressure module ribbon cable 1 Blood Pressure module 23 Lower docking connector PCB 2 Proximity switch 22 Fuse 3 Bottom enclosure 4 Battery cover 21 4 Torsion spring 20 Handle assembly 5 Rear panel 19 Peizo we NX speaker 18 I Left panel 6 Zs Lithium batteries 17 Display PCB 7 Hose fitting 14 Connector cover 11 Upper docking connector PCB 13 Top enclosure 12 Figure 7 1 N 3100 Expanded View 7 2 SECTION 8 PACKING FOR SHIPMENT 8 1 General Instructions 8 2 Repacking in Original Carton 8 3 Repacking in a Different Carton To ship the monitor for any reason follow the instructions in this section 8 1 GENERAL INSTRUCTIONS Pack the monitor carefully Failure to follow the instructions in this section may result in loss or damage not covered by the Nellcor Puritan Bennett warranty If the original shipping carton is not available use another suitable carton North American customers may call Nellcor Puritan Bennett s Technical Services Department to obtain a shipping carton Prior to shi
30. 29 1 and the DIASTOLIC display will show a number representing the version and revision of the multicast software in the N 3100 The two digits preceding the decimal point are the version and the number following the decimal point is the revision 3 Press the LOWER ALARM LIMIT button to return to the service mode steady state 4 3 16 Menu Item 30 Pressure Transducer Accuracy Test Mode 416 Note Menu items 30 through 36 are discussed in the Performance Verification section paragraph 3 3 2 Verification of Pneumatic System Refer to those procedures for verification standards The use of test chambers and the manual inflation pump mentioned in this section is an optional method of using these service mode menu items The pressure transducer accuracy test verifies the pressure accuracy of the sensor and requires a 220 cm3 test chamber a manometer and a manual inflation pump 1 Connect the 220 cm3 test chamber to the N 3100 hose connector 2 Using an adapter connect the manometer and pump in parallel with the test chamber 3 From the service mode steady state press the UP or DOWN ARROW buttons until menu item 30 is displayed in the SYSTOLIC display 4 Press and release the UPPER ALARM LIMIT button 5 Press and release the START STOP button The chamber begins to pressurize to approximately 180 mmHg The current chamber pressure in mmHg is displayed in the DIASTOLIC display 6 Using the hand pump manually pressu
31. Adult Alarm Limit Range Systolic Blood Pressure 60 250 mmHg Diastolic Blood Pressure 40 220 mmHg Mean Blood Pressure 45 235 mmHg Pulse Rate 30 180 bpm Neonatal Alarm Limit Range Systolic Blood Pressure 40 130 mmHg Diastolic Blood Pressure 20 90 mmHg Mean Blood Pressure 35 105 mmHg Pulse Rate 30 240 bpm 96 FACTORY DEFAULTS Factory Default Alarm Limit Settings Adult Neonatal Systolic Blood Pressure U pper Limit 240 mmHg 120 mmHg Systolic Blood Pressure Lower Limit 70 mmHg 50 mmHg Diastolic Blood Pressure Upper Limit 210 mmHg 80 mmHg Diastolic Blood Pressure Lower Limit 50 mmHg 30 mmHg Mean Blood Pressure Upper Limit 225 mmHg 95 mmHg Mean Blood Pressure Lower Limit 55 mmHg 45 mmHg Pulse Rate U pper Limit 170 bom 230 bpm Pulse Rate Lower Limit 40 bpm 40 bpm Other Factory Default Settings Operating Mode Adult Pediatric Audible Alarm Volume Level 5 Audible Alarm Silence Period 60 seconds Alarm Silence Reminder On Measurement Interval Off Manual Measurement Completion Tone On Pressure Calibration Algorithm 2 Adjusted Initial Inflation Pressure Adult Pediatric 180 mmHg Initial Inflation Pressure Neonatal 120 mmHg 92 Section 9 Specifications 9 7 PERFORMANCE Range Adult Pediatric Measurement Range Systolic Blood Pressure 60 250 mmHg Diastolic Blood Pressure 40 220 mmHg Mean Arterial Blood Pressure 45 235 mmHg Pulse Rate 40 200 bpm Neonatal Measurement Range Systolic Blood Pressure 40 130 mmHg Dias
32. CTION 9 SPECIFICATIONS 9 1 9 2 9 3 9 4 GENERAL ELECTRICAL 9 1 General 9 2 Electrical 9 3 Physical Characteristics 9 4 Environmental 9 5 Alarms 9 6 Performance Designed to meet safety requirements of UL 544 CSA C22 2 No 601 1 M 90 IEC 601 1 IEC 601 1 type CF ISO 9919 RFE per VFG 243 EMC per IEC 801 series and per CISPR 11 Class A and VDE 0871 Class B Vfg 243 1991 The NELLCOR SYMPHONY N 3100 blood pressure monitor adheres to ANSI AAMI Standard SP 10 1992 Standards for Electronic Automated Sphygmomanometers when tested in the supine position Protection Class Class when connected to N 3000 per I E C 601 1 clause 2 2 4 Degree of Protection Type CF per I E C 601 1 clause 2 2 26 Input Voltage 15 DC Fuse 0 8A 250V External Power Supply Model SPS I or SPS I1 AC input 100 240V 500 mA maximum 50 60 Hz Model SPS N or SPS N1 AC input 100 120 VAC 500 mA maximum 50 60 Hz PHYSICAL CHARACTERISTICS Dimensions 6 35 cm x 23 88 cm x 14 73 cm 2 5in x 9 4 in x 5 8 in Weight 1 06 kg 2 34 Ib ENVIRONMENTAL Operating Temperature 5 to 40 C 41 F to 104 F Storage Temperature unboxed 20 to 60 C 4 F to 140 F Storage Temperature boxed 40 to 70 C 40 F to 158 F 91 Section 9 Specifications 390m to 3 048m 1 280 ft to 10 000 ft Operating Altitude Operating Relative Humidity 15 to 95 noncondensing 95 ALARMS
33. Department or your local Nellcor Puritan Bennett representative REPLACEMENT LEVEL SUPPORTED The replacement level supported for this product is limited to the printed circuit board PCB and major subassembly level Once you isolate a suspect PCB follow the procedures in Section 6 Disassembly Guide to replace the PCB with a known good PCB Check to see if the trouble symptom disappears and the monitor passes all performance tests If the trouble symptom persists continue troubleshooting to isolate another suspect PCB OBTAINING REPLACEMENT PARTS Nellcor Puritan Bennett Technical Services provides technical assistance information and replacement parts To obtain replacement parts contact Nellcor Puritan Bennett Refer to parts by the part names and part numbers listed in Section 7 Spare Parts 51 Section 5 Troubleshooting 5 6 52 TROUBLESHOOTING GUIDE Problems with the N 3100 are separated into the categories indicated in Table 5 1 Refer to the paragraph indicated for further troubleshooting instructions Note Taking the recommended actions discussed in this section will correct the majority of problems you will encounter However problems not covered here can be resolved by contacting Nellcor Puritan Bennett s Technical Services Department or your local Nellcor Puritan Bennett representative Table 5 1 Problem Categories Problem Area Refer to Paragraph 1 AC Power 5 6 1 No power up Fails power on self t
34. ER ALARM LIMIT button The PULSE RATE indicator lights This indicates that you are now in a submenu level of the selected menu item Usethe UP and DOWN ARROW buttons to move from one submenu item to another Note Some menu items do not have submenu item selections Toreturn to the service mode steady state from a menu item press the LOWER ALARM LIMIT button To exit the service mode turn off the monitor by pressing the ON STANDBY button The N 3100 automatically turns off if no action is taken for approximately 5 minutes Main menu items available from the service mode shown in Table 4 2 are discussed in numerical order in the following paragraphs Section 4 Configuration and Service Modes Table 4 2 Service Mode Menu Ea Type of Report Test O ON AUN BWNFE Software Version Report Lamp Test Mode Button Test Mode Speaker Test Mode Internal Configuration Code Report Total Operating Hours Report Error Log Record 1 Error Log Record 2 Error Log Record 3 Error Log Record 4 Error Log Record 5 Error Log Record 6 Error Log Record 7 Error Log Record 8 Error Log Record 9 Error Log Record 10 Instrument Identification Report Power Management and Battery Status Persistent Time Sense Report Reset to Factory Defaults Cluster Instrument Number CIN Adjustment Enable Disable Alarm Silence Reminder Pressure Calculation Algorithm Selection Compatibility Report Pressure Transducer Accuracy Test Mode Inflat
35. IMIT button twice Verify that the monitor emits a single beep each time you press the button Within 3 seconds verify that the DIASTOLIC display indicates a default alarm limit value of 30 the default diastolic lower alarm limit and verify that the other displays show dashes at the bottom while the 30 is displayed From the normal mode steady state press the LOWER ALARM LIMIT button twice Within 3 seconds press and hold the DOWN ARROW button until 20 is displayed in the DIASTOLIC display Verify that 20 is the lowest value to which the lower alarm limit can be adjusted From the normal mode steady state press and release the LOWER ALARM LIMIT button twice Within 3 seconds press and hold the UP ARROW button and verify that 30 is the highest value to which the lower alarm limit can be adjusted From the normal mode steady state press the UPPER ALARM LIMIT button three times Verify that the monitor emits a single beep each time you press the button Verify that the MEAN PULSE RATE display indicates an alarm limit value of 95 the default mean upper alarm limit for a few seconds and verify that the other displays show dashes at the top while the 95 is displayed From the normal mode steady state press and release the UPPER ALARM LIMIT button three times Press and hold the DOWN ARROW button until 45 is shown in the MEAN PULSE RATE display From the normal mode steady state press t
36. IMIT button twice Within 3 seconds press and hold the DOWN ARROW button until 40 is displayed in the DIASTOLIC display Verify that 40 is the lowest value to which the lower alarm limit can be adjusted From the normal mode steady state press and release the LOWER ALARM LIMIT button twice Within 3 seconds press and hold the UP ARROW button and verify that 50 is the highest value to which the lower alarm limit can be adjusted 11 12 13 14 15 16 17 18 19 20 Section 3 Performance Verification From the normal mode steady state press and release the UPPER ALARM LIMIT button three times Verify that the monitor emits a single beep each time you press the button Verify that the MEAN PULSE RATE display indicates an alarm limit value of 225 for a few seconds and verify that the other displays show dashes at the top while the 225 is displayed From the normal mode steady state press and release the UPPER ALARM LIMIT button three times Press and hold the DOWN ARROW button until 55 is displayed in the MEAN PULSE RATE display From the normal mode steady state press and release the LOWER ALARM LIMIT button three times Verify that the monitor emits a single beep each time you press the button Within 3 seconds verify that the MEAN PULSE RATE display indicates the default alarm limit value of 55 and verify that the other displays show dashes at the bottom while
37. Item 32 Deflation Rate Test Mode 0 4 17 4 3 19 Menu Item 33 Adult Leak Test Mode orrnnnnnnnnnnnrnnnnr 4 18 4 3 20 Menu Item 34 Neonate Leak Test Mode 0008 4 18 4 3 21 Menu Item 35 Adult Maximum Pump Pressure Test Mode cccccccseseceeeeee annnnrnnnnnnnnnnnnn 4 19 4 3 22 Menu Item 36 Neonate Maximum Pump Pressure Test Mode cccccceesecceeeee ceeeeeenieeeeeeeess 4 19 4 3 23 Menu Item 37 Blood Pressure Module Self Check Report eccceceeeeeeeeeeene eeeeeeeseeeseneeeeaes 4 20 Table of Contents Section 5 Troubleshooting osnrnnnnnvnnnnvnnnr vvnnnvnnnnnnnnenvennnrnnnnnnnnen sereen 5 1 5 1 ago CUCU 0 EEE 5 1 52 Howto Use this Section isteti siint ana eean abner ikina 5 1 53 Who Should Perform RepairS srrnrnvnnnnrvnnnnvnnnnnvnn arrnnnnrrnnnnrnnennennr 5 1 54 Replacement Level Supported rurrrnannrnnnnnvnnnrr ovnnrrnnnnvnnrnvenenn 5 1 55 Obtaining Replacement Parts rannrnronrrnnnvrnnnnvnnnnr vvrvrrvnnnrnnnnnnnrenr 5 1 56 Troubleshooting Guide srnonvrnnnrrnnnrrnnnnvnn onvnnnrrvnnnrnnnnrnnsnnnnrnnenenn 5 2 5 6 1 AC POWEL cona ae rarai aii EEA EETA 5 3 5 6 27 HEMOnNGOJES aaen a eaa NE ara 5 4 5 6 2 1 User Correctable Error Codes mrrrrnnnrrnnnvrnnnvnnnnven reenen 5 4 5 6 2 2 Failure Error Codes mrrrnnnnnvnnnnvnnenvnnnnr vannrnnannvennnennnrreenr 5 5 6 33 0 BUTONS vitae terre satsane 5 7 5 6 4 Display Alarms rrrnronnv
38. N indicator is not lit troubleshoot the N 3200 If the N 3100 is stacked with the N 3200 and the N 3200 POWER ON indicator is lit ensure that the N 3200 is properly stacked with the N 3100 Check the N 3100 fuse The fuse is located on the Lower Docking Connector PCB as indicated in paragraph 6 2 of the Disassembly Guide section Replace if necessary Check the ribbon connector from the bottom 2 The microprocessor failure alarm sounds and no error code is displayed enclosure to the UIF PCB If the connection is good replace the UIF PCB Replace the UIF PCB 53 Section 5 Troubleshooting 5 6 2 Error Codes When there is a problem within the N 3100 monitor an error code may be displayed on the front panel as illustrated SYS DIA mmHg mmHg These codes correspond to messages that indicate what part of the monitor is at fault Actions to take for specific error codes are listed below For a more thorough understanding of the error codes refer to Appendix A 5 6 2 1 User Correctable Error Codes Table 5 3 lists the error codes that can be corrected by the operator Refer to the number of the error code that is displayed on the N 3100 then perform the recommended action for the listed error code Turn the N 3100 off and back on and verify that the error code no longer appears Table 5 3 N 3100 User Correctable Error Codes Error Code Description Recommended Action Alarm limits and other Pres
39. N 3100 in the adult pediatric mode When the unit is in the normal mode steady state press and release the UPPER ALARM LIMIT button Verify that the monitor emits a single beep when you press the button Verify that the SYSTOLIC display indicates the default alarm limit value of 240 for a few seconds and verify that the other displays show dashes while the 240 is displayed as shown below Do not press any buttons for at least 3 seconds and all displays will change to show a dash in the center of each character normal mode steady state sys DIA MAP mmHg mmHg mmHg Eeri ee eee 33 Section 3 Performance Verification 34 2 10 From the normal mode steady state press and release the UPPER ALARM LIMIT button Press and hold the DOWN ARROW button until a value of 70 is shown in the SYSTOLIC display Note A period following a displayed alarm limit value is an indication that the alarm limit value has been changed from the power on default value previously set in the N 3100 From the normal mode steady state press and release the LOWER ALARM LIMIT button Verify that the monitor emits a single beep when you press the button Within 3 seconds verify the SYSTOLIC display indicates an alarm limit value of 70 and verify that the other displays show a dash at the bottom while the 70 is displayed as shown below sys DIA MAP mmHg mmHg mmHg 0 es From the normal mode steady state press a
40. NELLCOR SERVICE MANUAL NELLCOR SYMPHON Y N 3100 Blood Pressure Monitor To contact Nellcor Puritan Bennett s representative In the United States call 1 800 NELLCOR or 510 463 4000 outside the United States call your local Nellcor Puritan Bennett representative Caution Federal law U S restricts this device to sale by or on the order of a physician 1998Nellcor Incorporated All rights reserved 034134B 0298 Corporate Headquarters Nellcor Puritan Bennett Inc 4280 Hacienda Drive Pleasanton California 94588 U S A Tel 510 463 4000 or 1 800 NELLCOR Fax 510 463 4420 U S Service Repair Center Nellcor Puritan Bennett I nc 2200 F araday Avenue Carlsbad California 92008 U S A Tel 619 603 5300 European Office Nellcor Puritan Bennett Europe BV Hambakenwetering 1 5231 DD s H ertogenbosch The Netherlands Tel 31 73 6485200 Asia Pacific Office Nellcor Puritan Bennett HK Ltd Room 1602 Evergo House 38 Gloucester Road Wanchai Hong Kong Tel 852 2529 0363 Regional Local Offices Nellcor Puritan Bennett UK Ltd 10 Talisman Business Centre London Road Bicester Oxfordshire OX6 0J X United Kingdom Tel 44 1869 322700 Nellcor Puritan Bennett Belgium NV SA Interleuvenlaan 62 8 Zone 2 B 3001 Heverlee Belgium Tel 32 16 400467 Nellcor Puritan Bennett France 3 Avenue du Canada B timent Sigma LP851 91975 Courtaboeuf Cedex France Tel 33 01 69 82 14 00 Nellc
41. SAFETY TESTS This test verifies the functionality of the pulse rate detection in the neonate mode 1 Turn on the Bio Tek simulator and press the MODE button three times to place it in the Tests mode The simulator screen will indicate Internal Cuff and Pressure Gauge 2 Connect the simulator hose to the hose connector on the right side panel of the N 3100 3 Placethe simulator in the Neonate Internal Cuff mode and return to Tests mode 4 Press the MODE button on the simulator until Simulation mode is displayed 5 Usingthe SELECT and ARROW buttons on the simulator set the systolic diastolic values to 70 40 with a heart rate value of 140 and a pulse volume of 35 6 Turn the N 3100 on and ensure that it is in the manual mode the MANUAL indicator is lit 7 Set the N 3100 to the neonatal mode the NEONATAL MODE indicator is lit 8 Press and release the START STOP button on the N 3100 9 After completion of the blood pressure test cycle press the PULSE button on the N 3100 The measured pulse rate appears in the MEAN PULSE RATE display 10 A reading between 135 145 bpm indicates successful completion of the test WARNING To ensure the safety of the operator and patient when the N 3100 is stacked with and powered by an N 3200 also perform the safety tests in the N 3200 service manual Failure to comply could result in serious injury or death N 3100 safety tests consist of e Ground Integ
42. T NEONATAL button Power up Mode twice within 2 seconds To change neonate default alarm limits first enter the neonatal mode from configuration mode steady state by pressing the NEW PATIENT NEONATAL button twice within 2 seconds Then change the desired limit using the same method as for adult default limits Section 4 Configuration and Service Modes 4 2 1 Adult Pediatric Neonatal Mode Default The operating mode that the monitor is in when you exit the configuration mode adult pediatric or neonatal becomes the power on default operating mode 4 2 2 Systolic Upper Alarm Limit 1 From configuration mode steady state press the UPPER ALARM LIMIT button once The current default value is displayed in the SYSTOLIC display To change the upper alarm limit value press and hold the UP or DOWN ARROW button on top of the monitor You cannot decrease the value lower than the set lower alarm limit To place the monitor back into configuration mode steady state allow the display to time out 3 seconds 4 2 3 Systolic Lower Alarm Limit 1 From configuration mode steady state press the LOWER ALARM LIMIT button once The current default value is displayed in the SYSTOLIC display To change the lower alarm limit value press and hold the UP or DOWN ARROW button on top of the monitor You cannot increase the value higher than the set upper alarm limit To place the monitor back into configuration mode steady state allow the
43. Ul F Power Supply module All the buttons except the ON STANDBY button are connected to an input matrix of PIC microprocessor U3 The PIC is responsible for communicating with the UIF U3 is used to indicate a button change of state The buttons are input through a matrix form to the PIC The PIC will recognize when a button is pressed or released and request an HC16 interrupt on the UIF Power Supply When the HC16 responds by initiating a serial communication the PIC inputs this information to the HC16 Although the PIC requests a serial communication link it has no other control over the communications TheJ 1 connector pin outs are as follows 5V power for display drivers 5V power for display drivers Enable for PIC microprocessor Serial clock to display drivers Load data to display drivers Serial data to display drivers N C Audible alarm off ON Standby button signal N C PIC Interrupt 5 volts for green LED Ground Ground Ce A RON 0090NN0ARKRON 5 5 SCHEMATIC DIAGRAMS The following schematics and part locator diagrams are included in this section Figure Description FigureS5 1 Display PCB Part Locator Diagram Figure S5 2 UIF PCB Part Locator Diagram FigureS5 3 Display PCB Schematic Diagram Figure S5 4 UIF PCB Schematic Diagram FigureS5 5 Upper Docking Connector PCB Schematic Diagram Figure S5 6 Lower Docking Connector Board Schematic Diagram Figure S5 7 Blood Pressure PCB Schematic Diagram
44. WER ALARM LIMIT button 3 3 2 7 High Pressure Neonate 3 14 The high pressure test verifies the functionality of the high pressure relief valve in the neonate mode Prior to performing this procedure the setup procedure in paragraph 3 3 2 must be completed L Press the SELECT button on the Bio Tek simulator until Over Pressure Test is displayed From the service mode steady state press the UP DOWN ARROW buttons until menu item 36 is displayed in the SYSTOLIC display Press and release the UPPER ALARM LIMIT button Press and release the START STOP button As soon as the N 3100 pump begins to operate press the START TEST button on the simulator The current pressure in mmHg is displayed in the DIASTOLIC display The simulator begins to pressurize until the high pressure relief valve opens If the pressure relief valve does not open by the time 166 mmHg is reached the test is unsuccessful Section 3 Performance Verification The test is complete when the pressure has increased deflated and the MANUAL indicator turns off The SYSTOLIC display indicates menu item 36 A nonflashing DIASTOLIC display indicates the maximum pressure achieved If the high pressure relief valve does not open the DIASTOLIC display flashes A reading of 165 mmHg or less indicates successful completion of the test Return to the service mode steady state by pressing the LOWER ALARM LIMIT button 3 3 3 Pulse Rate Accuracy Tests The followin
45. a sequential scanning pattern to verify that each lamp works After each lamp has lit all lamps will turn off Note ThePOWER ON indicator is not tested with this procedure It can be verified by turning the monitor on and off Press and hold the DOWN ARROW button to reverse the firefly pattern Press the LOWER ALARM LIMIT button to return to the service mode steady state 4 3 3 Menu Item 3 Button Test Mode 410 This test verifies proper operation of individual buttons and button combinations 1 From the service mode select menu item 3 by pressing the UP or DOWN ARROW buttons until 3 appears in the SYSTOLIC display Press the UPPER ALARM LIMIT button Section 4 Configuration and Service Modes 2 Press each of the buttons and button combinations listed below The corresponding number should appear in the DIASTOLIC display to indicate that these keys and key combinations are functioning correctly Press the following button and or Displayed button combinations number No buttons pressed 0 LOWER ALARM LIMIT 1 UPPER ALARM LIMIT 2 CYCLE 3 PULSE 4 CYCLE and PULSE simultaneously 5 ALARM SILENCE 6 LOWER ALARM LIMIT and ALARM SILENCE 7 simultaneously UPPER ALARM LIMIT and ALARM SILENCE 8 simultaneously STAT 9 START STOP 10 PRINT 11 NEW PATIENT NEONATAL rear panel 12 Any combination not listed 13 UPPER and LOWER ALARM LIMIT 14 simultaneously UPPER and LOWER ALARM LIMIT and PRINT 15 simultaneously 3
46. al Check the N 3100 fuse Replace if necessary as indicated in the Disassembly Guide section of this service manual The N 3000 or N 3200 battery may be discharged To recharge the battery keep the N 3000 connected to its external power supply or connect the N 3200 to AC power Confirm that the BATTERY CHARGING indicator lights The battery will be fully charged when after powering the unit off and then on again the BATTERY CHARGING indicator does not light The monitors may be used with a less than fully charged battery but with a corresponding decrease in operating time from that charge If the battery fails to hold a charge replace BATTERY IN USE BATTERY LOW indicator flashes during DC operation it as indicated in the Disassembly Guide section of the N 3000 or N 3200 service manual There is 25 or less usable charge left on the N 3000 and or N 3200 battery At this point if possible discontinue use of the N 3000 N 3200 on battery power connect it to its external power source and allow it to recharge approximately 12 hours 59 Section 5 Troubleshooting 7 Table 5 8 While operating on battery power N 3000 operates with BATTERY IN USE BATTERY LOW indicator lighting steadily but N 3100 does not operate Serial data or the alarm 9 510 active function from the N 3100 is not available at the serial data output of the N 3000 or cannot be displayed on the N 3200
47. alue as described in Section 4 Configuration and Service Modes paragraph 4 3 5 menu item 5 1 Use the service mode to reset the institutional default values to factory default values as discussed in Section 4 Configuration and Service Modes paragraph 4 3 11 menu item 20 2 If the error code still appears turn off the monitor and replace the UIF PCB 1 Turn the monitor off then on again 2 If stacked and STACKED indicator is not lit turn all units in the stack off and then on again 1 Turn the monitor off then on again 2 If the error code still appears use the service mode to reset the institutional default values to factory default values as discussed in Section 4 Configuration and Service Modes Paragraph 4 3 11 menu item 20 3 If the error code still appears turn off the monitor and replace the UIF PCB 1 Turn the monitor off then on again 192 195 196 1 Turn the monitor off then on again 2 Verify compatibility of software as discussed in Section 4 Configuration and Service Modes paragraph 4 3 15 menu item 29 3 If the error code still appears verify compatibility of the ROMs by calling Nellcor Puritan Bennett s Technical Services Department or your local Nellcor Puritan Bennett representative 56 5 6 3 Buttons 5 6 4 Display Alarms Section 5 Troubleshooting Table 5 5 lists symptoms of problems relating to nonresponsi ve buttons and provides recommended actions
48. an alarm limit of 120 for a few seconds From the normal mode steady state press and release the LOWER ALARM LIMIT button Verify that the monitor emits a single beep and that the SYSTOLIC display indicates an alarm limit of 50 for a few seconds 39 Section 3 Performance Verification 25 From the normal mode steady state rapidly press the UPPER ALARM LIMIT button twice Verify that the monitor emits two beeps and that the DIASTOLIC display indicates an alarm limit of 80 for a few seconds 26 From the normal mode steady state rapidly press the LOWER ALARM LIMIT button twice Verify that the monitor emits two beeps and that the DIASTOLIC display indicates an alarm limit of 30 for a few seconds 27 From the normal mode steady state rapidly press the UPPER ALARM LIMIT button three times Verify that the monitor emits three beeps and that the MEAN PULSE RATE display indicates an alarm limit of 95 for a few seconds 28 From the normal mode steady state rapidly press the LOWER ALARM LIMIT button three times Verify that the monitor emits three beeps and that the MEAN PULSE RATE display indicates an alarm limit of 45 for a few seconds 29 From the normal mode steady state rapidly press the UPPER ALARM LIMIT button four times Verify that the monitor emits four beeps the PULSE RATE indicator lights and that the MEAN PULSE RATE display indicates an alarm limit of 230 for a few seconds 30 F
49. bbon cable is attached from J 1 to the Blood Pressure module Table S4 1 J1 Connector Input Output Pin Description Power Transmit data to Blood Pressure module TXD Output Receive data from Blood Pressure module RXD Input Request to send XRTS Output Status from Blood Pressure module OK LOW Power Logic ground Input Power Blood Pressure module power positive Power Blood Pressure module power positive Power Module power ground Power Module power ground Power Blood Pressure module power negative Power Supr Technical Supplement J 5 contains power and signal lines used in the stack configuration to communicate with the N 3000 These signal lines include the battery bus charge bus digital and case ground and the external Stackbus Table S4 2 J5 Upper Inter Stack Connector Input Output Pin Description Power 1 Chassis case Lane Eee et e Batey bus votas frower C noe fm 8 nous me J 2 connects to the monitor speaker Table S4 3 J2 Speaker Connector Input Output Pin Description Power Differential speaker signal Input Output Differential speaker signal Input Output 4 2 2 Blood Pressure Module The Blood Pressure module uses the Colin model 1500 blood pressure module It consists of main CPU U2 for measuring blood pressure and sub CPU U14 for monitoring the pressure and measuring time The pressure signal detected by HIC pressure sensor PM 1 is calibrat
50. board 6 5 Section 6 Disassembly Guide To remove the display panel front lens loosen the five screws securing the UIF board first then lift the cover up and away from the chassis Rear panel Lithium batteries UIF board Display board J3 Front lens Top docking Top enclosure Button set connector Figure 6 5 Removing UIF and Display PCBs 6 6 Section 6 Disassembly Guide 6 3 5 Removing the Pump Module To remove the pump module 1 Removethe four screws securing the module to the bottom enclosure as shown in Figure 6 6 Pump bracket Pump assembly Blood pressure PCB Lower docking connector Bottom enclosure Figure 6 6 Removing Pump Module 6 7 Section 6 Disassembly Guide 6 4 6 5 6 8 2 Remove the three screws securing the pump bracket to the pump module 3 Lift the module up and out of the chassis housing Use caution when removing to ensure that the pump module does not damage the lower docking connector Note The pump and Blood Pressure PCB are not field repairable LITHIUM BATTERY REPLACEMENT REASSEMBLY 1 PlacethenN 3100 in the standby mode by pressing the ON STANDBY button 2 Disconnect the unit from the SPS power supply If operating in the stacked configuration remove the N 3100 from the stack 3 Set the N 3100 upside down facing you 4 Removethe four corner scr
51. d in the DIASTOLIC display Manually increase the pressure until the pressure relief valve opens This normally should happen before the pressure reaches 171 mmHg The SYSTOLIC display indicates menu item 36 A nonflashing DIASTOLIC display indicates the maximum chamber pressure achieved If the pressure relief valve does not open the DIASTOLIC display flashes Return to the service mode steady state by pressing the LOWER ALARM LIMIT button 4 3 23 Menu Item 37 Blood Pressure Module Self Check Report 420 This function allows the service technician to display the results of the blood pressure module internal self check J F rom the service mode steady state select menu item 37 by pressing the UP or DOWN ARROW buttons Press the UPPER ALARM LIMIT button to begin the test While the test is in progress 37 will be displayed in the SYSTOLIC display and the DIASTOLIC display will contain a sequentially scanning pattern After completion of the self test 37 0 will be displayed in the SYSTOLIC display and the resulting error from the self test will be displayed in the DIASTOLIC field 0 no error 1 RAM error 2 ROM error Press the UP ARROW button to display 37 1 in the SYSTOLIC display The left and middle characters of the DIASTOLIC display will bethe year and the right character with the left character of the MEAN PULSE RATE display will be the month of the program date The middle and right characters
52. diets saka 3 1 32 Equipment Needed mmmsnrrrrnnvvevnnnnvennnnn ETC EEEREN E navne 3 1 3 3 Performance Tests rrnnrrnnnannrnnnnnnrrnnrnnvrnnnrnrrennnnrrnnrsnnrnerensrn annsna 3 1 3 31 SPOWCCUP desis cists a a ae 3 1 3 3 1 1 Power On Self Test rrrnannnnannvnrnvvnrnrvnnnvvrnnrnnnnrnnnnennenennn 3 1 3 3 1 2 Power On Defaults for Adult Pediatric Alarm Limits ANG RANGES EE AEA 3 3 3 3 1 3 Power On Defaults for Neonatal Alarm Limits and R ngesu wish ite Re LEONE 3 7 3 3 2 Verification of Pneumatic System rrnrrrnnrnnnnvvnnnrvnrnn av 3 10 3 3 2 1 Pressure Transducer ACCuraCy rrannnnrnnnnnnrnnnnnnvnnnn neern 3 11 3 3 2 2 Pneumatic Leakage Adult nnnnrnnnnnnnrnnnnnnrnnnnvrnnnrnnnn 3 12 3 3 2 3 Pneumatic Leakage Neonate eceeeeeteeeeesteee nenns 3 12 3 3 2 4 Cuff Inflation Rate arnrnnonrrnnnrrrnnnvnnn ceeeeeeeeeeeeaeeeeeeenees 3 13 3 3 2 5 Cuff Deflation Rate rarnrnnonvnnonvvnrnvren ceeeeeeneeseeeseeeeetaees 3 13 3 3 2 6 High Pressure Adult aeieeiaii kaea 3 14 3 3 2 7 High Pressure Neonate rrrrnnnnnvrnnnnnvvnnnnnvrnn annrrnnnnnvnnenn 3 14 3 3 3 Pulse Rate Accuracy Tests rrnnnararvrnnannnnrnnnnen rnvnvnnnnnn 3 15 3 3 3 1 Pulse Rate Accuracy Test Adult rannvrnnnnnnnrnnrnnrnen es 3 15 3 3 3 2 Pulse Rate Accuracy Test Neonate eect 3 16 34 rSatemtesrru Aer 3 16 3 4 1 Ground Integrity s sereta eresia aiki rai iieri aia 3 16 3 4 2 Electrical Leakage rrr
53. display to time out 3 seconds 4 2 4 Diastolic Upper Alarm Limit 1 From configuration mode steady state press the UPPER ALARM LIMIT button twice The current default value is displayed in the DIASTOLIC display To change the upper alarm limit value press and hold the UP or DOWN ARROW button on top of the monitor You cannot decrease the value lower than the set lower alarm limit To place the monitor back into configuration mode steady state allow the display to time out 3 seconds 4 2 5 Diastolic Lower Alarm Limit L From configuration mode steady state press the LOWER ALARM LIMIT button twice The current default value is displayed in the DIASTOLIC display To change the lower alarm limit value press and hold the UP or DOWN ARROW button on top of the monitor You cannot increase the value higher than the set upper alarm limit To place the monitor back into configuration mode steady state allow the display to time out 3 seconds 4 3 Section 4 Configuration and Service Modes 4 2 6 Mean Upper Alarm Limit 1 From configuration mode steady state press the UPPER ALARM LIMIT button three times The current default value is displayed in the MEAN PULSE RATE display To change the upper alarm limit value press and hold the UP or DOWN ARROW button on top of the monitor You cannot decrease the value lower than the set lower alarm limit To place the monitor back into configuration mode steady state allow
54. e UIF PCB button press but tone and the speaker fails to sound If the condition does not change replace the speaker If the condition still persists replace the UIF PCB 57 Section 5 Troubleshooting 5 6 5 Operational Performance Table 5 7 lists symptoms of problems relating to operational performance no error codes displayed and recommended actions If the action requires replacement of a PCB or module refer to Section 6 Disassembly Guide Table 5 7 Operational Performance Problems Condition Recommended Action 1 The display appearsto 1 Check the hose and cuff for leaks and that a be operational but the good connection is made Replace cuff or readings are suspect or hose if necessary nonexistent Perform verification of pneumatic system as described in Section 3 Performance Verification Paragraph 3 3 2 If the condition still persists replace the UIF PCB If the condition still persists replace the pump assembly 5 6 6 Stacked Configuration Table 5 8 lists symptoms and recommended actions for problems encountered while in the stacked configuration Refer to the N 3000 or the N 3200 service manual for more troubleshooting information Table 5 8 Stack Problems Condition Recommended Action While stacked with 1 If stacked with N 3000 only ensure that N 3000 only BATTERY the SPS power supply is plugged into an IN USE BATTERY LOW operational AC outlet If it is and the gree
55. e battery backup capability The 691 chip is used to select the power source for the real time clock and Piezo alarm circuitry from either the 5 volt power supply or the lithium battery supply 5 volt DC DC converter The 5 volt supply converts the input voltage from inductor T4 into 5 volts for the digital electronics The switching converter circuit is made using switching regulators The circuit contains a current limiting resistor designed to stop the converter if a short circuit exists Capacitors are provided at the output for better load regulation S 7 Technical Supplement 4 2 1 4 Speaker Driver and Volume Control As illustrated in Figure 54 3 speaker tones originate from the U3 GPT output compare pin OC2 The GPT pin outputs a square wave whose frequency is under software control This signal is buffered by U6 then input into DAC U5 The DAC may be programmed to attenuate the signal to one of 256 levels effectively acting as a volume control This signal is then sent to speaker driver U22 that drives an 8 32Q speaker Square wave Attenuated of known square frequency EI ei EI Driver Control Speaker Audio driver enable signal Figure S4 3 Speaker Driver and Volume Control Block Diagram 4 2 1 5 Connectors This section describes UIF connectors and provides tables that detail connector pin outs J 1 is a 20 pin connector that interfaces the UI F Power Supply PCB tothe Blood Pressure module A ri
56. e duration default release the ALARM SILENCE button and return to the configuration mode steady state 4 2 12 Auto Measurement Cycle Interval Use the following procedure to adjust the auto measurement cycle interval default L From the configuration mode steady state press and release the CYCLE button The current default setting in minutes for the auto measurement cycle interval appears in the MEAN PULSE RATE display The SYSTOLIC display indicates CFG The CYCLE indicator lights Use the UP or DOWN arrows to adjust the cycle interval default Cyde interval choices are 1 3 5 10 15 30 60 90 minutes and OFF To exit this procedure and set the monitor to power up in the manual mode select OFF as the cycle interval and allow the unit to time out and return to the configuration mode steady state To exit this procedure and set the monitor to power up in the automatic mode select a cycle interval other than OFF and allow the unit to time out and return to the configuration mode steady state The cyde interval selected will be the default cyde interval 45 Section 4 Configuration and Service Modes 4 2 13 Configuration Menu 46 Entering the configuration menu steady state from the configuration mode steady state allows you to view the UIF software version enable disable the measurement complete tone or reset to factory power on defaults To return to the configuration mode steady state from the configuration
57. eady state press the LOWER ALARM LIMIT button To exit the service mode steady state at any time press the ON STANDBY button to turn the N 3100 off If there is no button activity for 5 minutes the N 3100 will shut itself off and exit the service mode 3 3 2 1 Pressure Transducer Accuracy Perform the following test to verify the pressure accuracy of the N 3100 pressure transducer Prior to performing this procedure the setup procedure in paragraph 3 3 2 Verification of Pneumatic System must be completed 1 Press the UP DOWN ARROW buttons until menu item 30 is displayed in the SYSTOLIC display Press the UPPER ALARM LIMIT button Press the START STOP button The simulator begins to pressurize The current pressure in mmHg is displayed in the DIASTOLIC display Allow 30 seconds for the pressure to stabilize The numbers displayed by the simulator and in the DIASTOLIC display should be within 4 mmHg of each other to successfully complete the test Manually stop the test with the START STOP button Note Ifthe test is not stopped manually within 10 minutes the N 3100 will automatically stop the test Return to the service mode steady state by pressing the LOWER ALARM LIMIT button 311 Section 3 Performance Verification 3 3 2 2 Pneumatic Leakage Adult The pneumatic leakage test verifies the integrity of the pneumatic system in the adult mode Prior to performing this procedure the setup procedurein para
58. econds Toreset institutional default parameters to factory default values press the UP ARROW button until 3 is displayed in the SYSTOLIC display Press the UPPER ALARM LIMIT button to reset the parameters The monitor automatically returns to the configuration menu steady state when the values are reset 43 SERVICE MODE Section 4 Configuration and Service Modes The service mode allows a service technician to select menu items that set up the N 3100 to perform tests that determine monitor functionality The service mode also allows access to the error log report Caution Menu items 70 and above are for factory purposes only Adjustment of menu items 70 and above by personnel other than qualified factory personnel may cause the N 3100 to malfunction Note In order to change default settings you must be able to access the UP and DOWN ARROW buttons located on the top of N 3100 If the N 3100 is stacked with the N 3000 disconnect the N 3000 from the stack before entering the service mode The N 3100 can be powered by an SPS external power supply or by an N 3200 when the N 3100 is stacked with the N 3200 Use the following procedure to place the monitor in the service mode 1 2 If the monitor is on turn it off While simultaneously holding down the UPPER and LOWER ALARM LIMIT buttons and the PRINT button press and release the ON STANDBY button Continue to hold down the UPPER and LOWER ALARM LIMIT and PRINT butto
59. ed in boldface type A note gives information that requires special attention N 3100 BLOOD PRESSURE MONITOR DESCRIPTION The N 3100 is a noninvasive blood pressure monitor that measures systolic diastolic and mean arterial blood pressure It also derives the patient s pulse rate at the time of blood pressure measurement The N 3100 is intended for hospital use to monitor adult pediatric or neonatal patients The N 3100 can be used in mobile environments when stacked with the N 3000 the N 3200 or both When used in mobile environments the N 3100 must be protected from excessive moisture such as direct rainfall The N 3100 can operate as a standalone monitor or it can be connected to stacked with other NELLCOR SYMPHONY instruments such as the N 3000 pulse oximeter the N 3200 display printer or both The physical and operational characteristics of the monitor are described in the operator s manual and Section 9 Specifications of this manual Figures 1 1 and 1 2 depict the North American and International front panels of the N 3100 and the names of its displays and controls 11 Section 1 Introduction 1 4 12 Note All graphics presented in this manual relevant to the monitor are depicted in the International symbol format Refer to your operator s manual and Figures 1 1 and 1 2 of this manual for applicable translations 3 4 56789 10 11 12 PULSE RATE CYCLE T AUTO LIMITS MANUAL c
60. ed to approximately 10mv mmH g by gain amplifier U 12 The signal output is converted by A D converter U7 and read as pressure by U2 and U14 The pulse wave is detected from the pressure signal and is filtered amplified converted into a DC signal and read by U2 The adult signal is amplified by U18 and the neonate signal is amplified by U19 The mechanical parts are a pump and bleed dump valve 4 2 2 1 System Flow When power is applied to the Blood Pressure module initialization and zero calibration of the pressure is performed The module is then in a ready condition which permits interruption from the UIF CPU 5 9 Technical Supplement 54 2 3 Display Board S 10 When the start command from the UIF is received the Blood Pressure module doses the bleed dump valve and drives the pump to increase the cuff pressure to the preset value The cuff is deflated by the opening of the bleed valve to measure the blood pressure When the measurement is complete the Blood Pressure module sends the blood pressure value to the UIF board and returns to the ready condition Sub CPU U14 monitors the main CPU with regard to the pressure inflation rate deflation rate watchdog and analog voltage If U 14 detects a problem it disables the drive circuit of the pump and bleed dump valve and resets U2 which sends an error message to the UIF board The N 3100 display board contains the front panel display for the monitor The display board is
61. efault alarm limit value of 40 and verify that the other displays show dashes at the bottom while the 40 is displayed From the normal mode steady state press and release the LOWER ALARM LIMIT button four times Within 3 seconds press and hold the DOWN ARROW button until 30 is displayed in the MEAN PULSE RATE display Verify that 30 is the lowest value to which the lower alarm limit can be adjusted From the normal mode steady state press and release the LOWER ALARM LIMIT button four times Within 3 seconds press and hold the UP ARROW button and verify that 40 is the highest value to which the lower alarm limit can be adjusted 35 Section 3 Performance Verification 36 21 22 23 24 25 26 27 28 29 30 31 Press the ON STANDBY button to turn the monitor off Verify that the monitor emits three consecutively lower pitched beeps Press the ON STANDBY button to turn the monitor on The monitor performs the Power On Self Test described in 3 3 1 1 steps 3a through 3g From the normal mode steady state press and release the UPPER ALARM LIMIT button Verify that the monitor emits a single beep and the SYSTOLIC display indicates an alarm limit of 240 for a few seconds From the normal mode steady state press and release the LOWER ALARM LIMIT button Verify that the monitor emits a single beep and that the SYSTOLIC display indicates an alarm limit of 70
62. enannrnonrvnrvrrvrrrren nrnnnnnvnrnnnnrenr 8 3 Section 9 Specifications Xese aeaa eaa a a a ia Aaaa 9 1 9 1 Generales a A a A 9 1 Qi2 o e REE E E EE EAE E E T A E TEA 9 1 9 3 Physical Characteristics mmrnrrernrrrnnnnvrnorren nnnrrnnnnnnnrrrrennnrnnnnnnennn 9 1 94 Environmental eseigi tated E E ER 9 1 95 AamsSuanagau raker A E E E EE 9 2 96 Factory Defaults unten dene tien essed E A ERRER 9 2 9 7 Performance eseac a a a RE A ARN 9 3 APPONI ceia ri a E E NE E A 1 A1 WPT ITTY TOS tins ungene banka ch ga da Nga banned bdvhadabiticas Picaaead raed sent A 1 A2 Error TYPOS ee eiee r E EEE EE ny eebraneern harer A 2 A3 User Correctable Error Codes rnrnnrnnnnvnnnnnvnnnnvvnr urrnnnnrnnnnnnnrrnnen A 3 A4 Failure Error GOdes unnmn ini tisn nn eet ie Aka ski A 4 A5 Internally Corrected Error Codes runnrrnannvnnnnvvnnnvrven uvnnnnnvnnenneeenr A 4 Table of Contents LIST OF FIGURES LIST OF TABLES vi Technical Supplement rrannnnnnnnnnonvvnnnvnn nrnnnn uvenn nnnnenvennnrennnrnnn nnnnnnnnnnennen S 1 S1 MiroducthON ar ea EEE E TEE S 1 S2 OAEIAE E e AAEE E ETE EEA E EE S 1 S3 Stackbus Interconnect arrrranrrnrnvenervvnnn vrvnnrrnnnnnnnerenrrrrerrnn renne on S 2 SA gt Circuit Analysis acc stade tive ented var artritt S 3 84 1 Functional Overview mrrrrannrnnnnnvnnnvvnrnrr anrrrvnnnrnnennernnnen S 3 84 2 Detailed Circuit Analysis rrrannrnnonrrnrrrnnnnrrnnnnrnrnnnnrrrree
63. ence pressure reading until the end of the 4 to 5 minute period A reading of 6 mmHg or less indicates successful completion of the test Return to the service mode steady state by pressing the LOWER ALARM LIMIT button 3 3 2 4 Cuff Inflation Rate Section 3 Performance Verification The cuff inflation rate test verifies the inflation rate of the N 3100 Prior to performing this procedure the setup procedure in paragraph 3 3 2 must be completed 1 3 3 2 5 Cuff Deflation Rate Press the UP DOWN ARROW buttons until menu item 31 is displayed in the SYSTOLIC display Press and release the UPPER ALARM LIMIT button Press and release the START STOP button The simulator begins to pressurize The current pressure in mmHg is displayed in the DIASTOLIC display At the end of the test cycle the simulator depressurizes and the SYSTOLIC display indicates submenu item number 31 0 The DIASTOLIC display indicates the time in seconds to the nearest tenth required to pressurize to 250 mmHg A reading of 3 0 9 0 seconds indicates successful completion of the test Press the UP ARROW button to display menu item 31 1 in the SYSTOLIC display The DIASTOLIC display indicates the timein seconds to the nearest tenth required to pressurize to 300 mmHg A reading of 4 0 9 0 seconds indicates successful completion of the test Return to the service mode steady state by pressing the LOWER ALARM LIMIT button The cuff deflat
64. errrnr menneen S 2 S4 1 N 3100 Functional Block Diagram ssrvnnnvnnnnvvnrnrrennrrn annvnnnnrnnennenenr S 4 84 2 Internal External Bus Connections rrrannvnnnnvnnorvvnnnrven nvnnnnnvnnnvenennne S 5 54 3 Speaker Driver and Volume Control Block Diagram s es S 8 54 4 Display Board Block Diagram rrrnnnnnvnnnnnvnnnrrrvnnn vonnnnrnnrnrrnnnnrnnrenren S 10 3 1 Earth Leakage Current Limits rnaannvnnonvvnrnnrrnnnnn ceeeeeeeeseaeeeeeaeeeeneees 3 17 3 2 Patient Leakage Current Limits rrrrrnrrnnnnrrnnnnvnnenrr ceeeeeeeeeeeeeeeeeeeaees 3 18 3 3 Patient Leakage Current Test Configurations 0 csccceeseeeeee eee 3 19 4 1 Configuration Mode Menu cccecceceeeeeesee annvnnervennnrrennnrnnsnnnnennne 4 2 4 2 Service Mode Menu rsnnnnnnvnnnvrnnnvnnnnvnnnnn onnnvenenrennrrnanrnnnnrnnnnnennnvenenren 4 9 5 1 Problem Categories arnrnnnnvnnnr nar rnnn ven annennnvonnnrrrnnrnnannnnnnnnnnnnvennnrnn 5 2 5 2 Power Problem Sson E E E AEEA E NA 5 3 5 3 N 3100 User Correctable Error Codes rrrrannvnnonvnnnnrrvnnnvnn rererere 5 4 5 4 N 3100 Failure Error Codes murrrnannvnnonvvnrnrrvnnnvonnnvvnrnrrennnrnnennnnnenne 5 5 5 5 Button Problem iv 00csece tiie iniii aei i ea a eeeee lena 5 7 5 6 Display Alarms Problems mrrnnrrnnnnnvrnnnnnnvrnnn nnrnnnnennrrenennrrensenrrnnsennn 5 7 5 7 Operational Performance Problems cccecceeeeeeeeeeeeeeeeeeeeeeeees 5 8 5 8 Stack Problem Saa a aaam aaan aet raaa n
65. erview and detailed circuit analysis are supported by block and schematic diagrams The schematic diagrams are located at the end of this supplement The N 3100 uses an oscillometric technique to provide noninvasive blood pressure measurements at selected intervals The N 3100 uses the inflatable sphygmomanometer cuff similar to that used by clinicians in routine auscultatory blood pressure measurements The dinician normally inflates the cuff manually then deflates the cuff slowly listening for K orotkoff s sounds associated with systole and diastole The oscillometric technique uses a pressure transducer and electronic data processing to determine systolic mean and diastolic pressures A motorized pump inflates the cuff to approximately 180 mmHg 120 mmHg for neonatal patients initially The N 3100 then deflates cuff pressure gradually A pressure transducer detects air pressure and sends a signal to the measurement circuits As pressure in the cuff is reduced blood flows in the previously occluded artery and the pressure read by the transducer changes The point at which oscillation increases sharply is defined as the systolic pressure As the cuff deflates further oscillation amplitude increases to a maximum then decreases The point of peak oscillation amplitude is defined as the mean arterial pressure The point at which the system detects a rapid decrease in oscillation is defined as the diastolic pressure Figure S2 1 shows the inf
66. est 3 Buttons 5 6 3 Monitor does not respond properly to buttons when pressed 4 Display Alarms Displays do not respond properly Alarms or other tones do not sound properly or are generated without apparent cause 6 Stacked Configuration N 3100 operates properly when used alone but not when stacked 5 Operational 5 6 5 Displays appear to be operational but monitor shows no readings Suspect readings 5 6 1 AC Power Section 5 Troubleshooting Most AC power problems result in one of two symptoms Either there is no response when the ON STANDBY button is pressed or the microprocessor failure alarm sounds If the microprocessor failure alarm sounds and an error code is displayed refer to paragraph 5 6 2 Otherwise refer to Table 5 2 Table 5 2 Power Problems Condition Recommended Action 1 The N 3100 fails to 1 turn on when the ON STANDBY button is pressed If the N 3100 is powered by an SPS external power supply ensure that the power supply is plugged into an operational AC outlet If it is and the green POWER AVAILABLE indicator is not lit replace the power supply If the N 3100 is powered by an SPS external power supply and the green power supply POWER AVAILABLE indicator is lit ensure that the power supply is properly plugged into the N 3100 If the N 3100 is stacked with the N 3200 ensure that the N 3200 is plugged into an operational AC outlet If it is and the N 3200 POWER O
67. ews that hold the unit together and separate the two halves of the monitor 5 Locate the two 3 volt lithium batteries on the UIF board Figure 6 5 6 Slide the batteries from underneath the spring clips Do not dispose of lithium batteries by placing them in the regular trash Dispose of properly or return them to Nellcor Puritan Bennet s Technical Services Department for disposal 7 Replace batteries observing correct polarity positive terminal up 8 Reassemble chassis Reassemble the monitor by performing the disassembly steps in reverse order 1 Ensurethat all plastic isolation shields are reinstalled correctly 2 Ensurethat the small copper wiper fingers that make contact with the side panel metalized coating throughout the top chassis fit properly 3 Ensurethat all buttons are seated properly and operate smoothly 4 All of the side panels have channel guides molded into the top and bottom chassis to assist in proper location and seating 5 Toinstall the handle locate the small spring attached to one side After all PCBs and side panels have been properly seated in the top chassis install the handle into the cradle in a vertical position as illustrated in Figure 6 7 Guide the spring into the molded channel located at the rear of the top chassis while leaning the handle to the inside of the unit When properly seated the handle will rotate out with a small amount of spring tension and naturally return to the ve
68. g tests verify the functionality of pulse rate detection A Bio Tek BP Pump Noninvasive Blood Pressure Simulator or equivalent is required The N 3100 will be used in the manual mode 3 3 3 1 Pulse Rate Accuracy Test Adult This test verifies the accuracy of the blood pressure and pulse rate detection in the adult mode 1 10 Turn on the Bio Tek simulator and press the MODE button three times to place it in the Tests mode The simulator screen will indicate Internal Cuff and Pressure Gauge Connect the simulator hose to the hose connector on the right side panel of the N 3100 Place the simulator in the Adult Internal Cuff mode and return to Tests mode Press the MODE button on the simulator until Simulation mode is displayed Using the SELECT and ARROW buttons on the simulator set the systolic diastolic values to 180 120 with a heart rate value of 100 Turn the N 3100 on and ensure it is in the manual mode the MANUAL indicator is lit Set the N 3100 to the adult pediatric mode the NEONATAL MODE indicator is not lit Press and release the START STOP button on the N 3100 After completion of the blood pressure test cycle press the PULSE button on the N 3100 The measured pulse rate appears in the MEAN PULSE RATE display A reading between 95 105 bpm indicates successful completion of the test 3 15 Section 3 Performance Verification 3 3 3 2 Pulse Rate Accuracy Test Neonate 3 4
69. graph 3 3 2 must be completed L Press the UP DOWN ARROW buttons until menu item 33 is displayed in the SYSTOLIC display Press the UPPER ALARM LIMIT button Press the START STOP button The simulator begins to pressurize The current pressure reading will be displayed in the DIASTOLIC display until the test is completed Approximately 4 to 5 minutes later the simulator will depressurize The SYSTOLIC display indicates menu item 33 0 The DIASTOLIC display indicates the change in pressure in mmHg from the reference pressure reading until the end of the 4 to 5 minute period A reading of 6 mmHg or less indicates successful completion of the test Return to the service mode steady state by pressing the LOWER ALARM LIMIT button 3 3 2 3 Pneumatic Leakage Neonate 3 12 The pneumatic leakage test verifies the integrity of the pneumatic system in the neonate mode Prior to performing this procedure the setup procedure in paragraph 3 3 2 must be completed 1 Press the UP DOWN ARROW buttons until menu item 34 is displayed in the SYSTOLIC display Press the UPPER ALARM LIMIT button Press the START STOP button The simulator begins to pressurize The current pressure reading will be displayed until the test is completed Approximately 4 to 5 minutes later the simulator will depressurize The SYSTOLIC display indicates menu item 34 0 The DIASTOLIC display indicates the change in pressure in mmHg from the refer
70. he LOWER ALARM LIMIT button three times Verify that the monitor emits a single beep each time you press the button Within 3 seconds verify that the MEAN PULSE RATE display indicates an alarm limit value of 45 and verify that the other displays show a dash at the bottom of each display character while the 45 is displayed 14 15 16 17 18 19 20 21 22 23 24 Section 3 Performance Verification From the normal mode steady state press the LOWER ALARM LIMIT button three times Within 3 seconds press and hold the DOWN ARROW button until 35 is displayed in the MEAN PULSE RATE display Verify that 35 is the lowest value to which the lower alarm limit can be adjusted From the normal mode steady state press the LOWER ALARM LIMIT button three times Within 3 seconds press and hold the UP ARROW button and verify that 45 is the highest value to which the lower alarm limit can be adjusted From the normal mode steady state press the UPPER ALARM LIMIT button four times Verify that the monitor emits a single beep each time you press the button Verify that the PULSE RATE indicator is lit and the MEAN PULSE RATE display indicates an alarm limit value of 230 the default pulse rate upper alarm limit for a few seconds and verify that the other displays show dashes at the top while the 230 is displayed From the normal mode steady state press the UPPER ALARM LIMIT b
71. he letter H If the displayed ICC differs from the value stored in the EEPROM then the displayed value will flash 2 Ifthe displayed value is flashing press the UPPER ALARM LIMIT button to save the value as the default 3 Press the LOWER ALARM LIMIT button to return to the service mode steady state 4 3 6 Menu Item 6 Total Operating Hours Report This report displays the total number of operating hours logged by the UIF PCB since it was produced From the service mode select menu item 6 by pressing the UP or DOWN ARROW buttons until 6 appears in the SYSTOLIC display Press the UPPER ALARM LIMIT button The total number of operating hours is displayed in the SYSTOLIC and DIASTOLIC displays Possible values are from 0 to 999 999 hours Press the LOWER ALARM LIMIT button to return to the service mode steady state 4 3 7 Menu Items 7 16 Error Log Record Report 412 This report provides information regarding the last ten error codes recorded by the monitor before it was turned off the number of occurrences of that particular error and the number of operating hours since the most recent occurrence of the error The error log has ten entries menu items 7 16 as indicated below Note Refer to Section 5 Troubleshooting and the Appendix for an explanation of error codes The procedure below is for Error Log Record 1 menu item 7 Use the same procedure to access Error Log Records 2 through 10 menu items 8 through 16
72. he number 31 1 is displayed in the SYSTOLIC display The DIASTOLIC display indicates the timein seconds to the nearest tenth required to pressurize to 300 mmHg 7 Return to the service mode steady state by pressing the LOWER ALARM LIMIT button 4 3 18 Menu Item 32 Deflation Rate Test Mode This function allows the service technician to test the time required to deflate the cuff A 220 cm3 test chamber is required 1 2 Connect the 220 cm3 test chamber to the N 3100 hose connector From the service mode steady state press the UP or DOWN ARROW buttons until menu item 32 is displayed in the SYSTOLIC display Press and release the UPPER ALARM LIMIT button Press and release the START STOP button The chamber begins to pressurize to approximately 300 mmHg The current chamber pressure in mmHg is displayed in the DIASTOLIC display 417 Section 4 Configuration and Service Modes 5 At the end of the test cycle the chamber depressurizes and the SYSTOLIC display indicates submenu item number 32 0 The DIASTOLIC display indicates the rate in mmHg per second to the nearest tenth required to depressurize from 260 to 180 mmHg Using the UP ARROW button go to menu item 32 1 in the SYSTOLIC display The DIASTOLIC display indicates the rate in mmHg per second to the nearest tenth required to depressurize from 180 to 100 mmHg Using the UP ARROW button go to menu item 32 2 in the SYSTOLIC display The DIASTOLIC display
73. heck cuff connections Check cuff opened This code only application and orientation If displayed in service mode necessary replace cuff Press UPPER ALARM LIMIT button and perform test again Communication with pump Takea blood pressure measurement assembly lost Error will clear when a successful measurement is taken 5 6 2 2 Failure Error Codes Failure error codes are displayed by the monitor with a leading digit of 1 These codes may be cleared only by turning the monitor off and then on again Table 5 4 lists the possible failure error codes and the recommended action to take Refer to Appendix A2 for a more detailed explanation of the codes Table 5 4 N 3100 Failure Error Codes Recommended Action 103 Turn the monitor off then on again If the error code still appears turn off the monitor and replace the blood pressure module 106 113 114 1 Turn the monitor off then on again me ce ie 2 If the error code still appears turn off the monitor and replace the UIF PCB 1 Turn the monitor off then on again 2 If the error code still appears turn off the monitor and replace both lithium backup batteries If the error code still appears turn the monitor off and replace the UIF PCB 55 Section 5 Troubleshooting Table 5 4 N 3100 Failure Error Codes Cont 1 Turn the monitor off then on again and enter service mode 2 Menu item 5 will be displayed Save the I CC v
74. ie aa aAa a E A A DAREA be AARLE EAS 5 8 A 1 Error Types srai ese Baie ec eA AEE ie OAE EAEAN EA a A 2 A 2 N 3100 Failure Error Codes urnrnnannvnnenvvnnnrrnnnnvonenvvnrnrrennnrnnsnnnnnenne A 4 A 3 N 3100 Internally Corrected Error Codes c scceeeesseeeeesee merena A 5 S421 Jl C nh ctorausn amrdaeddegtdndedn det Gadi ee S 8 S4 2 J5 Upper Inter Stack Connector ccceeeececeeeeeeeeeeeeeeeeeeseeeeesaees S 9 84 3 J2 Speaker Connector mmrmurvrmmvvmvvverver cones ceeeeaeeesaeeeeeseeeeeeeeeeaas S 9 SECTION 1 INTRODUCTION 1 1 1 2 1 2 1 1 2 2 1 2 3 1 3 Manual Overview Warnings Cautions and Notes N 3100 Blood Pressure Monitor Description Related Documents ROD 1 1 1 1 MANUAL OVERVIEW This manual contains information for servicing the NELLCOR SYMPHONY N 3100 blood pressure monitor Only qualified service personne should service this product Before servicing the N 3100 read the operator s manual carefully for a thorough understanding of operation WARNINGS CAUTIONS AND NOTES Warning Caution Note This manual uses three terms that are important for proper operation of the monitor Warning Caution and Note A warning precedes an action that may result in injury or death to the patient or user Warnings are boxed and highlighted in boldface type A caution precedes an action that may result in damage to or malfunction of the monitor Cautions are highlight
75. indicators light momentarily e The sequence of steps b and c will be repeated until all internal tests are complete Note Thenumber of times the sequence of steps band cis repeated is dependent on the amount of information stored in trend memory Typically you will see two cycles of the sequence f A single 1 second beep is produced and all displays again illuminate momentarily indicating the automatic Power On Self Test is complete g ThePOWER ON indicator and the MANUAL MODE indicator are illuminated A is displayed in each window of the SYSTOLIC DIASTOLIC and MEAN PULSE RATE displays This is referred to as the normal mode steady state SYS DIA MAP mmHg mmHg mmHg Eee Section 3 Performance Verification Caution Pressing and holding the NEW PATIENT NE ONATAL button 3 seconds or more until three beeps sound clears all previously stored patient data h Press and hold the NEW PATIENT NEONATAL button located on the rear panel for approximately 3 seconds until you hear three beeps to indicate that stored patient data is cleared 3 3 1 2 Power On Defaults for Adult Pediatric Alarm Limits and Ranges Note The following procedure is written using Nellcor Puritan Bennett factory set power on default settings If your institution has other custom power on default settings those values will be displayed and should be substituted in the following procedure The N 3100 can be reset to factory power on defaults using
76. ing in the neonatal mode the displayed systolic and diastolic blood pressure values will be the same as the values measured by the NIBP module with no adjustments regardless of the pressure calculation algorithm that is selected Typically pressure calculation algorithm 1 raw is selected for N 3100 applications in J apan For N 3100 applications in the Americas 415 Section 4 Configuration and Service Modes Europe the South Pacific and other parts of Asia pressure calculation algorithm 2 adjusted is selected The pressure calculation algorithm should be selected to be consistent with practices used in the country or institution where the N 3100 is to be used 4 3 15 Menu Item 29 Instrument Compatibility Report This function is used by the ser vice technician to display the sensor bus protocol version and the multicast version To function properly in a stack the N 3100 must have the same protocol version and multicast version as other instruments in the stack 1 From the service mode select menu item 29 by pressing the UP or DOWN ARROW buttons Press the UPPER ALARM LIMIT button The SYSTOLIC display will show 29 0 and the DIASTOLIC display will show a number representing the version and revision of the sensorbus protocol software in the N 3100 The two digits preceding the decimal point are the version and the number following the decimal point is the revision 2 Pressthe UP ARROW button The SYSTOLIC display will show
77. ion Time Test Mode Deflation Rate Test Mode Adult Leak Test Mode Neonate Leak Test Mode Adult Maximum Pump Pressure Test Mode Neonate Maximum Pump Pressure Test Mode Blood Pressure Module Self Check Report 49 Section 4 Configuration and Service Modes 4 3 1 Menu Item 1 Software Version Report This report identifies the software versions of the UIF PCB and blood pressure module 1 From the service mode steady state select menu item 1 by pressing the UP or DOWN ARROW buttons until 1 appears in the SYSTOLIC display Press the UPPER ALARM LIMIT button The UIF software version number is displayed in the left hand character of the DIASTOLIC display The UIF module major revision number is displayed in the next two characters of the DIASTOLIC display The UIF module minor revision number is displayed in the MEAN PULSE RATE display Press the UP ARROW button to view the blood pressure module version in the SYSTOLIC display Press the LOWER ALARM LIMIT button to return to the service mode steady state 4 3 2 Menu Item 2 Lamp Test Mode This test verifies that indicators and front panel lamps are functional L From the service mode steady state select menu item 2 by pressing the UP or DOWN ARROW buttons until 2 appears in the SYSTOLIC display Press the UPPER ALARM LIMIT button Initially all indicators will light Press and hold the UP ARROW button to light each display segment decimal and indicator in
78. ion rate test verifies the deflation rate Prior to performing this procedure the setup procedure in paragraph 3 3 2 must be completed 1 Press the UP DOWN ARROW buttons until menu item 32 is displayed in the SYSTOLIC display Press the UPPER ALARM LIMIT button Press the START STOP button The simulator begins to pressurize The current pressure in mmHg is displayed in the DIASTOLIC display At the end of the test cycle the simulator depressurizes and the SYSTOLIC display indicates submenu item number 32 0 The DIASTOLIC display indicates the rate in mmHg per second to the nearest tenth required to depressurize from 260 to 180 mmHg A reading of 4 6 6 2 seconds indicates successful completion of the test Press the UP ARROW button to display menu item 32 1 in the SYSTOLIC display The DIASTOLIC display indicates the rate in mmHg per second to the nearest tenth required to depressurize from 180 to 100 mmHg A reading of 4 6 6 2 seconds indicates successful completion of the test Press the UP ARROW button to display menu item 32 2 in the SYSTOLIC display The DIASTOLIC display indicates the rate in mmHg per second to the nearest tenth required to depressurize from 100 to 60 mmHg A reading of 3 3 5 2 seconds indicates successful completion of the test 3 13 Section 3 Performance Verification 7 Press the UP ARROW button to display menu item 32 3 in the SYSTOLIC display The DIASTOLIC display indicates the
79. lation and deflation process and the oscillation of the pressure as seen by the transducer The N 3100 is factory set to self calibrate before every measurement S 1 Technical Supplement 200 p 150 Systolic Pressure E E Mean Pressure a 100 ip 2 o Diastolic P Pressure 50 Time lt Cuff l4 Linear Bleed Period gt Pressure gt Inflation I Release Period Pressure Stabilization Figure S2 1 Oscillatory Blood Pressure Measurement 3 STACKBUS INTERCONNECT Stackbus is the general term for the communication interconnect between the N 3000 and the N 3100 instruments The internal communication bus is used for communications between the UIF Power Supply PCB and the Blood Pressure module Information is transmitted over a single PCB trace using the Arcnet discussed in S4 Circuit Analysis local area network standard as the message protocol The external Stackbus is used for communications between the N 3000 and the N 3100 Information is exchanged over two pins on the N 3000 docking connector and two sockets on the N 3100 upper docking connector As with the internal communication bus the Arcnet local area network standard is used as the protocol RS 485 drivers and receivers are used for signaling A proximity sensor on the N 3100 UIF PCB detects when the N 3000 is docked which enables the internal communication bus signals Access to the Stackbus is accomplished
80. limit To place the monitor back into configuration mode steady state allow the display to time out 3 seconds 4 2 10 Alarm Volume Section 4 Configuration and Service Modes Use the following procedure to adjust the alarm volume default 1 From the configuration mode steady state press and hold the ALARM SILENCE button for approximately 3 seconds A continuous tone at the current volume setting is emitted VOL is displayed in the DIASTOLIC display A value from 1 to 10 1 lowest 10 highest corresponding to the current volume setting is displayed in the MEAN PULSE RATE display Continue to hold the ALARM SILENCE button and press the UP or DOWN ARROW button to increase or decrease the volume To exit this procedure and set the alarm volume default release the ALARM SILENCE button 4 2 11 Alarm Silence Duration Use the following procedure to adjust the alarm silence duration default L From the configuration mode steady state press and hold the ALARM SILENCE button The current default setting in seconds for the silence duration appears in the DIASTOLIC display The SYSTOLIC display indicates CFG while the MEAN PULSE RATE display indicates SEC seconds Within 3 seconds and while holding the ALARM SILENCE button press the UP or DOWN ARROW button to adjust the silence duration Silence duration choices are 30 SEC 60 SEC 90 SEC and 120 SEC To exit this procedure and set the alarm silenc
81. menu steady state while in the configuration mode steady state press the LOWER ALARM LIMIT button L From configuration mode steady state press the UPPER and LOWER ALARM LIMIT buttons simultaneously to access the configuration menu steady state The currently selected menu item number 1 to 3 is displayed in the SYSTOLIC display To view the software version of the UIF module press the UP or DOWN ARROW buttons until 1 is displayed in the SYSTOLIC display Press the UPPER ALARM LIMIT button The PULSE RATE indicator will light The digit in the left hand display character of the SYSTOLIC display represents the software version The next two characters in the SYSTOLIC display represent the major software revision The three characters in the DIASTOLIC display represent the minor software revision Toreturn to the configuration menu steady state press the LOWER ALARM LIMIT button or allow the unit to time out 10 seconds To enable or disable the measurement complete tone press the UP or DOWN ARROW buttons until 2 is displayed in the SYSTOLIC display Press the UPPER ALARM LIMIT button The PULSE RATE indicator will light The current state is displayed in the DIASTOLIC display 0 disabled 1 enabled To change the current state press the UP DOWN ARROW buttons until the desired state is displayed To return to the configuration menu steady state press the LOWER ALARM LIMIT key or allow the unit to time out 10 s
82. n indicators on the N 3000 indicator light is not lit replace the power and N 3100 light steadily supply while they are connected 2 If the green SPS indicator is lit ensure that toAC Both units are the power supply is properly plugged into operational the N 3100 While stacked with Ensure that the power cord is properly N 3200 BATTERY IN connected to the N 3200 rear panel and an USE BATTERY LOW AC power outlet indicators on the N 3200 2 Ensure that the N 3200 main power switch and N 3100 light steadily is turned on while they are connected to AC Both units are operational 58 Section 5 Troubleshooting Table 5 8 Stack Problems Cont 3 BATTERY IN USE 1 BATTERY LOW indicators on the N 3000 2 light steadily but do not on the N 3100 and N 3200 while they are connected to AC via the external power supply All units are operational BATTERY IN USE BATTERY LOW indicators on the N 3100 light steadily but do not on the N 3000 while they are connected to AC via the external power supply Both units are operational The N 3000 and or N 3200 and N 3100 do not operate when disconnected from the external power supply Ensure that a good docking connection exists between the N 3000 and N 3100 Check the N 3000 fuse Replace if necessary as indicated in the Disassembly Guide section of the N 3000 service manual Refer to the Troubleshooting section of the N 3000 service manu
83. nd release the LOWER ALARM LIMIT button Within 3 seconds press and hold the DOWN ARROW button until 60 is displayed in the SYSTOLIC display Verify 60 is the lowest value to which the lower alarm limit can be adjusted From the normal mode steady state press and release the LOWER ALARM LIMIT button Within 3 seconds press and hold the UP ARROW button and verify that the upper alarm limit setting of 70 is the highest value to which the lower systolic alarm limit can be adjusted From the normal mode steady state press and release the UPPER ALARM LIMIT button twice Verify that the monitor emits a single beep each time you press the button Verify that the DIASTOLIC display indicates default alarm limit value of 210 for a few seconds and verify that the other displays show dashes at the top while the 210 is displayed From the normal mode steady state press and release the UPPER ALARM LIMIT button twice Press and hold the DOWN ARROW button until 50 is shown in the DIASTOLIC display From the normal mode steady state press and release the LOWER ALARM LIMIT button twice Verify that the monitor emits a single beep each time you press the button Within 3 seconds verify that the DIASTOLIC display indicates an alarm limit value of 50 and verify that the other displays show dashes at the bottom while the 50 is displayed From the normal mode steady state press and release the LOWER ALARM L
84. necessary 4 2 1 UIF Power Supply Module The UIF module located on the UIF Power Supply PCB provides power to the other modules within the N 3100 and controls communication between each module Blood Pressure Display Module Module Serial Communications Serial Communications External Stackbus UIF Power Supply Board Redd ocking Figure S4 2 Internal External Bus Connections S4 2 1 1 Microprocessor The primary microprocessor for this board is U3 a Motorola MC68HC16Z1 IC also referred to as the HC16 This microprocessor uses a 16 bit CPU and contains several submodules including A D converters pulse width modulators internal RAM and a queued serial module The microprocessor also contains a non multiplexed data address bus and input output timer pins A synthesized dock signal is produced using the signal from Y2 a 32 768 kHz crystal Software determines the operating clock frequency Queued Serial Module The queued serial module QSM provides the microcontroller unit with two serial communication interfaces divided into two submodules the queued serial peripheral interface and the serial communications interface SCI The queued serial peripheral interface submodule is used to communicate to the following four different devices a real time dock on the UIF board a serial EEPROM on the UIF board a PIC microprocessor on the Display board the display drivers on the Display board S 5 Technical Su
85. ng the failure is displayed and a low priority alarm sound is produced but no entry is made in the Error Log These types of errors represent hardware failure conditions that can be corrected by the user such as replacing a faulty cuff or unkinking the hose These errors are not logged because they are caused by conditions external to the N 3100 They are readily identified by the 0 leading digit in the error number displayed along with EEE failure errors havea leading digit other than 0 6 Unexpected loss of power This condition results in a power failure alarm Nothing is logged in the Error Log and the display is blank because the primary power in the instrument has failed This alarm is powered by the secondary backup lithium batteries located on the UIF board In all cases an attempt to store an error in the Error Log may fail due to failure or corruption of the Error Login EEPROM This condition alone does not constitute a failure error and operation of the instrument proceeds as if the error has been successfully logged A3 USER CORRECTABLE ERROR CODES The following error codes are user correctable Error Code Explanation 055 058 085 083 088 Alarm limits and other settings have been returned to power on defaults Alarm silence duration and alarm volume have been returned to power on defaults A measurement could not be completed probably due to patient motion or physiology No cuff was presen
86. nnnonrrnnronrrvnr raa ee 5 7 5 6 5 Operational Performance rrnannrnannvnnonvvnnrrvnn nvnnnnnnnennnnrn 5 8 5 6 6 Stacked Configuration cccscccesceceeeeeeceeeeeeeseneeeeeeees 5 8 Section 6 Disassembly Guide 0 cccccccccsccceee eeaeee rererere erreen 6 1 6 1 INtODUCTIONS tac cec ets debe tents kara datiden nei 6 1 6 2 Fuse Replacement mrnnrrnnannvvnnnnnvnnnnnnr vnrnnnvnnnnnvvnnnerrrnnennrrnnen ceeeaes 6 1 6 3 Monitor Disassembly rrrrrnnrrnnnonvrnnnnnnvnnn ceeneeeeeeaeeeeenaeeeeenaeeeee unne 6 2 6 3 1 Replacing the Piezo Speaker rrrrannvnannvnnnnvnnnvvnr reesen 6 3 6 3 2 Replacing the Monitor Speaker rusnrnannvnnnnvnnnnnver etree 6 4 6 3 3 Replacing the Hose Fitting 2 0 00 eeeeeeeeneee neresen 6 5 6 3 4 Removing the UIF Board mansrvvnnannvvvnnenvvrvnnnnvrnnnernvrnnenn 6 5 6 3 5 Removing the Pump Module rnrannvvnnnnnvvvnnnnnvvnn neern 6 7 6 4 Lithium Battery Replacement ec ceeeeeeeeeeeee eeeeeeeeeeeeeeeeeeeaes 6 8 6 5 Reassembly iu ii ihjiudjekmidiertt diabas basket 6 8 Section 7 Spare Parts eeii aea ads Paine une etset 7 1 7 1 IMTOGUGUON EEE EE 7 1 Section 8 Packing for Shipment mssrnnonnvnnnnrnnnnvrn eneee 8 1 8 1 General Instructions 0 eecceeececeeeeeeeeeee caeeeseeceeeeeseeeeseaeeeeaeeee venns 8 1 8 2 Repacking in Original Carton rrrersrrnnnrononvvnnerrer srrnnnnrnnnnnnnenrenenr 8 2 8 3 Repacking in a Different Carton rr
87. nr S 5 4 2 1 UIF Power Supply Module rrnrrnnnrnnnnrrnnnrrnnnnvnnrrnnrnnrenn S 5 4 2 2 Blood Pressure Module runrvnnnrrnnnvrnnnvnnnnn vnrnrenerrensnreenn S 9 4 2 3 Display Board mmmmevemevevervvrrvverrnvrrrnnvrrnrrrrrrrerrrrerrsrnrenn er S 10 S5 Schematic Diagrams irainen iaeia nienia peter ae aE Tiei S 11 1 1 N 3100 Front Panel North American ornnnnvvnnnnnnnrnnnnnrnnn neresen 1 2 1 2 N 3100 Front Panel International oreranovrnnnnnnnrnnnnn rnvnvvnrnnnnrnnnn 1 2 3 1 Self Test Display rrrrrnnrrnnnvrnnnvvnnnvon aaa onai arunan Aranoa oae Gaa nnie Taaa 3 2 6 1 Fuse Replacement ccccecccceeesceceee ceeeeeeeceeenenceeeneneeeenenees akaari 6 2 6 2 N 3100 Corner SCrews ranrrnanvvnnvrvnnnrrvnnnvnen caeeeeeeeeceeeseaeeeeaeeeeaaeee eas 6 2 6 3 Separating the Monitor and Disconnecting the Cables 6 3 6 4 Removing the Monitor Speaker Assembly rnranrnnrrrnnnnrrnnnrnnnnvvnrnnr 6 4 6 5 Removing UIF and Display PCBS rnrrnnnrrnnnnvrnnnnvnnrnvn avrrrvnnnrnnennnnrnnr 6 6 6 6 Removing Pump Module rannrrnnnnnvrnnnnnvrvnnnnnvrvnnnnrrnnnnnnrvnnersrrnnssnven ate 6 7 6 7 Installing the Handle eersnrrnnnnnnvrnnnnnvrnnn annrrnnennrrnnnenrrnnsensrrnnsnnnrnnsennn 6 9 7 1 N 3100 Expanded View rennrnnvonnnnnvrnnnnnvrnnnn nvrnnnnnrrnnensrrnnensrnnsennrnn ann 7 2 8 1 Repacking the N 3100 pecera ie i 8 2 S2 1 Oscillatory Blood Pressure Measurement nrrrnrrnnvverrnnvv
88. ns while the monitor performs the power on self test POST When SEr begins flashing in the MEAN PULSE RATE display release the UPPER and LOWER ALARM LIMIT and PRINT buttons Within 15 seconds press the PRINT button to set the N 3100 to the service mode steady state You must press the PRINT button within 15 seconds or the monitor will turn itself off automatically In the service mode steady state SEr stops flashing and is continuously displayed The number of the service mode main menu item is shown in the SYSTOLIC display Note Failure error codes refer to Section 5 Troubleshooting for an explanation of error codes may be reported upon entering the service mode The N 3100 should automatically access the menu item used to correct the situation If a user correctable error code a code beginning with O is displayed while in the service mode press the LOWER ALARM LIMIT button to clear the error Use the UP or DOWN ARROW buttons to move from one main menu item to the next Note While in the service mode steady state the UPPER and LOWER ALARM LIMIT buttons are used as enter and exit buttons respectively You must press the UPPER ALARM LIMIT button to select an item and move to the submenu level To return to the service mode steady state you press the LOWER ALARM LIMIT button 47 Section 4 Configuration and Service Modes 48 6 When you have scrolled to the desired menu item press the UPP
89. on There will be no sounds or beeps associated with turning the knob When the N 3100 is stacked with the N 3000 the UP and DOWN ARROW buttons are not accessible and the Nellcor knob must be used 1 Press the ON STANDBY button to turn the unit on Verify that the N 3100 is in the neonatal mode which is indicated by the NEONATAL MODE indicator being lit If the indicator is not lit quickly press and release the NEW PATIENT NEONATAL button twice to place the N 3100 in the neonatal mode When the unit is in the normal mode steady state press and release the UPPER ALARM LIMIT button Verify that the monitor emits a single beep when you press the UPPER ALARM LIMIT button Verify that the SYSTOLIC display indicates an alarm limit value of 120 for a few seconds and verify that the other displays show dashes at the top while the 120 is displayed Do not press any buttons for at least 3 seconds and all displays will change to show a dash in the center of each character normal mode steady state 2 Fromthe normal mode steady state press and release the UPPER ALARM LIMIT button Press and hold the DOWN ARROW button until 50 is displayed the SYSTOLIC display Note A period following a displayed alarm limit value is an indication that the alarm limit value has been changed from the power on default value previously set in the N 3100 3 From the normal mode steady state press and release the LOWER ALARM LIMIT button
90. or Puritan Bennett Germany GmbH Black amp Decker Strasse 28 65510 Idstein Germany Tel 49 6126 5930 Nellcor Puritan Bennett Italia Via Edison 6 20090 Assago M1 Italy Tel 39 2 4577161 Nellcor Puritan Bennett Finland Oy Kappelitie 8 02200 Espoo Finland Tel 358 90 270 92 900 To obtain information about a warranty if any for this product contact Nellcor Puritan Bennett s Technical Services Department or your local Nellcor Puritan Bennett representative NELLCOR SYMPHONY and the Nellcor knob configuration are trademarks of Nellcor Puritan Bennett Inc TABLE OF CONTENTS List of Figures List of Tables Section 1 Introduction eeii eaei aae aaa e ae eas 1 1 1 1 Manual OVErVieW ccccccccecesseceeeee arnnvnnssnnnnsssnnrnrssnnnrssrnn annee rnn 1 1 1 2 Warnings Cautions and Notes marsvrrrnavvvnnrnnven vrrnnrrrnrrrrnnnnene 1 1 EE WAN EE er rrerrert rer rere err 1 1 122 Caulonuusuusnuaruerassundautevmaknmhiaguldvar 1 1 123 NOE er 1 1 1 3 N 3100 Blood Pressure Monitor Description s es 1 1 14 Related Documents mernnoonnnnnvonnnnnvnnen nnvnnnnnnvnnnnnnvnnnnnsennnennen sennae 1 2 Section 2 Routine Maintenance ssrassvnannnnnnnnvnen eenen 2 1 211 C annoraskasrrrr re 2 1 2 2 Periodic Safety and Functional Checks s s s eeen 2 1 EG OE V EE nnbeee eet adeiaae eta 2 1 Section 3 Performance Verification srrrrnrnnonnrnnnnvnn eeaeee 3 1 3 1 Introduetoni um jn
91. play Press and release the UPPER ALARM LIMIT button Press and release the START STOP button The chamber begins to pressurize to approximately 300 mmHg The current chamber pressure in mmHg is displayed in the DIASTOLIC display Manually increase the pressure until the pressure relief valve opens This normally should happen before the pressure reaches 331 mmHg The SYSTOLIC display indicates menu item 35 The DIASTOLIC display indicates the maximum chamber pressure achieved If the pressure relief valve does not open the DIASTOLIC display flashes Return to the service mode steady state by pressing the LOWER ALARM LIMIT button 4 3 22 Menu Item 36 Neonate Maximum Pump Pressure Test Mode The neonate maximum pump pressure test verifies the functionality of the high pressure relief valve in the neonate mode and requires a 220 cm test chamber a manometer a manual inflation pump and an adapter L 2 Connect the 220 cm3 test chamber to the N 3100 hose connector Using an adapter connect the manometer and pump in parallel to the test chamber From the service mode steady state press the UP or DOWN ARROW buttons until menu item 36 is displayed in the SYSTOLIC display Press and release the UPPER ALARM LIMIT button 419 Section 4 Configuration and Service Modes 5 Press and release the START STOP button The chamber begins to pressurize to approximately 150 mmHg The current chamber pressure in mmHg is displaye
92. pping the monitor contact your supplier or the local Nellcor Puriatn Bennett office Technical Service Department for a returned goods authorization RGA number Mark the shipping carton and any shipping forms with the RGA number Return the monitor by any shipping method that provides proof of delivery amp 1 Section 8 Packing for Shipment 8 2 REPACKING IN ORIGINAL CARTON If available use the original carton and packing materials as illustrated in Figure 8 1 Figure 8 1 Repacking the N 3100 1 Placethe monitor and if necessary accessory items in the original packaging Note Additional packing materials will be needed around loose accessory items 2 Placein the shipping carton and seal the carton with packaging tape 3 Label the carton with the shipping address return address and RGA number if applicable 82 8 3 Section 8 Packing for Shipment REPACKING IN A DIFFERENT CARTON If the original carton is not available L 2 Place the monitor in a plastic bag Use a corrugated cardboard shipping carton with at least 200 pounds per square inch psi bursting strength Fill the bottom of the carton with at least 2 inches of packing material Place the bagged unit on the layer of packing material and fill the box completely with packing material Seal the carton with packing tape Label the carton with the shipping address return address and RGA number if applicable amp 3 SE
93. pplement The QSM allows the real time clock to communicate to the QSM by connecting the MISO and MOSI lines The signals from the QSM are tied to the 5 volt power supply through resistors The SCI submodule communicates with the blood pressure module in an EIA 232 format at the 5 volt level Analog to Digital Converter Module The A D Converter module has eight analog inputs that can be converted to digital representations A voltage divider is used to reduce the input voltages to a value that is within the 0 5 volt range of the A D converter System Integration Module The system integration module provides configuration control system clock control internal bus transfer control and interrupt handling control Port E uses the HC16 bus signals for bit positions 2 through 7 and discrete input signals for bit positions 0 and 1 Port F can be configured to be either discrete signals or interrupt requests 4 2 1 2 Peripheral and Support ICs S 6 The peripheral and support ICs for the U3 microprocessor include program memory chip U 10 data and variable memory U 13 trend memory U4 serial EEPROM U 7 real time clock U12 Arcnet controller U8 digital to analog converter U5 power on reset watchdog timer U21 and the display buttons Program memory U 10 contains the program code in a 512K x 16 EPROM The UIF uses chip select CSBOOT to select the EPROM Data and variable memory U 13 uses a scratchpad memory to retain variable
94. removed while disassembling the monitor do not connect the SPS Power Supply to the monitor while the power supply is plugged into AC power Instead first connect the power supply to the monitor then connect the power supply to AC power Failure to do so may result in damage to the monitor Note Some spare parts havea business reply card attached When you receive these spare parts please fill out and return the card 6 2 FUSE REPLACEMENT See Figure 6 1 To replace the fuse on the lower docking connector board 1 Disconnect the N 3100 from the SPS power supply If you are operating in the stacked configuration remove the N 3000 from the stack 2 Set the N 3100 upside down facing you 3 Loosen the two screws on the left end of the bottom cover 4 Squeeze the middle of the cover and lift the cover up and off the chassis 61 Section 6 Disassembly Guide Fuse F1 0 8 amp Figure 6 1 Fuse Replacement 5 Replace the fuse as illustrated above with one of same value and rating 0 8 amp 250 volt 6 Replace the bottom cover 6 3 MONITOR DISASSEMBLY 1 Place the N 3100 in the standby mode by pressing the ON STANDBY button 2 Disconnect the unit from the SPS power supply If operating in the stacked configuration remove the monitor from the stack 3 Set the N 3100 upside down facing you 4 Remove the four corner screws that hold the unit
95. rity e Electrical Leakage 3 4 1 Ground Integrity 3 16 This test verifies the integrity of the power cord ground wire from the AC plug and the connection with the SPS external power supply chassis ground 1 Set up the electrical safety analyzer as follows Function Ground Resistance Test Range mQ millionms Section 3 Performance Verification 2 Connect the monitor s AC plug to the analyzer as recommended in the analyzer operating instructions 3 Connect the analyzer resistance input lead to the equi potential terminal grounding stud on the external power supply Verify that the analyzer indicates 150 milliohms or less 3 4 2 Electrical Leakage The following tests verify the electrical leakage of the monitor e Earth Leakage Current e Patient Leakage Current e Patient Source Current Mains on Applied Part 3 4 2 1 Earth Leakage Current This test is in compliance with IEC 601 1 and AAMI Standard ES1 paragraph 3 3 1 Chassis Source Current between the power ground and Part B exposed conductive hardware 1 Configure the electrical safety analyzer as follows Function Leakage Range uA 2 Connect the monitor AC plug to the electrical safety analyzer as recommended by the analyzer operating instructions 3 Connect the electrical safety analyzer leakage input lead to the monitor s equipotential terminal 4 The equipotential terminal is not connected to ground 5 All functional earth terminals are not
96. rize the system to approximately 300 mmHg comparing the manometer readings to the value displayed in the N 3100 DIASTOLIC display 9 Section 4 Configuration and Service Modes Using the air bleed on the hand pump manually depressurize the system comparing the manometer readings to the N 3100 displayed values Manually stop the test with the START STOP button Note Ifthe test is not manually stopped within 10 minutes the N 3100 will automatically stop the test Return to the service mode steady state by pressing the LOWER ALARM LIMIT button 4 3 17 Menu Item 31 Inflation Time Test Mode This function allows the service technician to test the time to inflate a cuff from 0 to 250 mmHg and from 0 to 300 mmHg A 700 cm test chamber is required 1 Connect the 700 cm test chamber to the N 3100 hose connector 2 From the service mode steady state press the UP or DOWN ARROW buttons until menu item 31 is displayed in the SYSTOLIC display 3 Press and release the UPPER ALARM LIMIT button 4 Press and release the START STOP button The chamber begins to pressurize to approximately 300 mmHg The current chamber pressure in mmHg is displayed in the DIASTOLIC display 5 At the end of the test cycle the chamber depressurizes and the SYSTOLIC display indicates submenu item number 31 0 The DIASTOLIC display indicates the time in seconds to the nearest tenth required to pressurize to 250 mmHg 6 Press the UP ARROW button T
97. rnnnnnnvrnnnonnrnnnnnnnvrrnnrnnrnnnnnnnrnnsrnnnnne 3 17 3 4 2 1 Earth Leakage Current mussnnnnvnnnnvvnrnvvnnnrvnnnrnnnnnnnnnrenn 3 17 3 4 2 2 Patient Leakage Current rrnnannvnnnnvnnerrvnnnren nnrnnnnnnnrnnennr 3 18 3 4 2 3 Patient Leakage Current MOAP snesen 3 18 Table of Contents Section 4 Configuration and Service Modes anrvrrrnnvnrnnnnvnrnn oaaae 4 1 4 1 Introducthonsgs2 d2222 eee Ne 4 1 42 Configuration Mode annrennnvvnnnvnnnnvnnnnnvn annvnnnrrnnnrrnannvnnannenenvenn annen 4 1 4 2 1 Adult Pediatric Neonatal Mode Default mrrrnnrrnnnnnnnn 4 3 4 2 2 Systolic Upper Alarm Limit oronrnnonrvnrnrenrvvrven avnnnnvnnennn 4 3 4 2 3 Systolic Lower Alarm Limit rrronrnnonrrnrnronrnrrrnn nvnnnnvnnennn 4 3 4 2 4 Diastolic Upper Alarm Limit neren 4 3 4 2 5 Diastolic Lower Alarm Limit rnronnnnnronnnnrnrrnnnrn nennen 4 3 4 2 6 Mean Upper Alarm Limit ornnennvrnnnnornvnnnnnnn vvrvnnnrrnnnnnnne 4 4 4 2 7 Mean Lower Alarm Limit rernnonnnrrnnnnnnrnnnnrnn ceeeeeeeeeeeaees 4 4 4 2 8 Pulse Rate Upper Alarm Limit eernvonnnonvrrnnnnnvrnnnnvrnnnnn 4 4 4 2 9 Pulse Rate Lower Alarm Limit erennrnnonrnrrnnnnnnrnnnnrnnnnn 4 4 4 2 10 Alarm Volume diia atata aa aare a eaa ae eal aaa 4 5 4 2 11 Alarm Silence Duration rrnrrrnnvnrrrvrnrnrrrnnvrrrrrnnrnrrrnnnnn 4 5 4 2 12 Auto Measurement Cycle Interval srranrnnnnnrnnorrnrnr eee 4 5 4 2 13 Configuration Menu us
98. rom the normal mode steady state rapidly press the LOWER ALARM LIMIT button four times Verify that the monitor emits four beeps the PULSE RATE indicator lights and the MEAN PULSE RATE display indicates an alarm limit of 40 for a few seconds 31 Pressthe ON STANDBY button to place the N 3100 in the standby mode Verify that the monitor emits three consecutively higher pitched beeps 3 3 2 Verification of Pneumatic System 3 10 Tests in paragraphs 3 3 2 1 through 3 3 2 7 verify the functionality of the N 3100 pneumatic system These tests were designed to use the Bio Tek BP Pump noninvasive blood pressure NIBP simulator The internal test volume of the Bio Tek simulator is 250 cm3 which is used to calculate the inflation deflation rate periods The Bio Tek simulator or an equivalent NIBP simulator is required to perform these tests The N 3100 should be placed in the service mode for each of these tests For a detailed explanation of the service mode refer to Section 4 Configuration and Service Modes Note TheN 3100 cannot be placed in the service mode while it is stacked with the N 3000 Disconnect the N 3000 from the N 3100 before performing the verification tests Perform all of the following tests to verify the pneumatic system functionality Paragraph 3 3 2 1 Pressure Transducer Accuracy Paragraph 3 3 2 2 Pneumatic Leakage Adult Paragraph 3 3 2 3 Pneumatic Leakage Neonate Paragraph 3 3 2 4 Cuff Inflation
99. rtical resting position Section 6 Disassembly Guide Figure 6 7 Installing the Handle Depending upon the level of repairs you may have to reconfigure the monitor s Internal Configuration Code ICC in order to get the monitor to operate properly Reconfiguration is performed using menu item 20 of the service mode Refer to Section 4 Configuration and Service Mode 6 9 SECTION 7 SPARE PARTS 7 1 INTRODUCTION 7 1 Introduction Spare parts along with corresponding part numbers are shown below Numbers in parentheses correspond to the callouts in Figure 7 1 UIF PCB Control buttons International Control buttons North American Item Number 1 Blood pressure module ribbon cable 2 Lower docking connector PCB 3 Fuse 4 Bottom enclosure 5 Handle assembly 6 Left panel 7 Display PCB Front lens International Front lens North American Connector cover Top enclosure Upper docking connector PCB Hose fitting Right panel 16 Speaker assembly Lithium batteries Piezo speaker Rear panel Torsion spring Battery cover Proximity switch Blood pressure module 24 Pump bracket Power supply International SPS I1 Power supply North American SPS N1 NPC I Hospital grade power cord International NPC I Hospital grade power cord North American Part Number 030375 031773 691122 031646 030783 030083 030158 031769 030748 030530 031776 031775 030167 0304
100. s UPPER or LOWER ALARM settings have been returned LIMIT button as needed and if to power on defaults necessary set alarm limits alarm volume audible alarm silence duration and operating mode to the desired value Alarm silence duration and Press the ALARM SILENCE button alarm volume have been If necessary check and adjust alarm returned to power on silence duration and alarm volume defaults be completed due to faulty connections Check cuff application cuff hose improper cuff and orientation If necessary replace application or patient cuff motion or physiology Measured values not in Check patient Check cuff application proper relationship for and orientation If necessary replace example systolic should be cuff Check for interference sources greater than mean etc or near monitor If necessary move pulse rate out of range of monitor away from interference N 3100 sources d A measurement could not Check patient Check cuff 54 Section 5 Troubleshooting Table 5 3 N 3100 User Correctable Error Codes Cont The N 3100 has received Let the current operation proceed more button pushes than it can retain while it processes the current operation Blood pressure test failed Check cuff connections Check cuff This code only displayed in application and orientation If service mode necessary replace cuff Press UPPER ALARM LIMIT button and perform test again Blood pressure valve C
101. s and data during operation The UIF uses chip select CSO to select the 128K x 16 SRAM Trend memory Trend data is retained in parallel EEPROM U4 The 8K x 8 chip will retain data when the N 3100 is turned off It is selected by CS3 device select and CS4 write enable Serial EEPROM U7 contains instrument configuration limit data and the Error Log It is accessed by the QSPI serial data line and enabled by PSC1 chip select Real Time Clock U12 provides a time sense for the UIF Power Supply It is powered while the unit is off by the lithium batteries It is accessed by the WSQI serial data line and is enabled by PSC2 chip select Arcnet controller U8 is used to implement the communication bus protocol It is a memory mapped device that controls all the Stackbus communications DAC U5 is used to control speaker volume It is an 8 bit memory mapped device and is enabled by chip select CS5 Technical Supplement Watchdog Timer U21 ensures that the U3 microprocessor does not operate when the 5 volt supply falls below 4 5 volts minimum This chip holds U3 in reset until the power supply is back within an acceptable range of voltage levels Whenever the power supply falls out of regulation this chip resets the microprocessor The watchdog timer also resets the microprocessor if the CLRWD signal is not toggled within the timeout period When the watchdog times out a WDOL signal is transmitted causing the alarm
102. s the integrity of the pneumatic system in the neonate mode A 220 cm3 test chamber is required 1 2 Connect the 220 cm3 test chamber to the N 3100 hose connector From the service mode steady state press the UP or DOWN ARROW buttons until menu item 34 is displayed in the SYSTOLIC display Press and release the UPPER ALARM LIMIT button Section 4 Configuration and Service Modes Press and release the START STOP button The chamber begins to pressurize to approximately 150 mmHg The current pressure reading will be displayed until the test is completed Approximately four minutes later the chamber will depressurize The SYSTOLIC display indicates menu item 34 0 The DIASTOLIC display indicates the change in pressure from the reference pressure reading until the end of the 4 minute period in mmHg Return to the service mode steady state by pressing the LOWER ALARM LIMIT button 4 3 21 Menu Item 35 Adult Maximum Pump Pressure Test Mode The adult maximum pump pressure test verifies the functionality of the high pressure relief valve in the adult mode and requires a 220 cm3 test chamber a manometer a manual inflation pump and an adapter L 2 Connect the 220 cm test chamber to the N 3100 hose connector Using an adapter connect the manometer and pump in parallel with the test chamber From the service mode steady state press the UP or DOWN ARROW buttons until menu item 35 is displayed in the SYSTOLIC dis
103. s use the N 3100 UP and DOWN ARROW buttons located on the top of the N 3100 When the N 3100 is stacked with the N 3000 the N 3200 or both the Nellcor knob on either of these units can be used to perform the function of the N 3100 UP and DOWN ARROW buttons Turning the Nellcor knob in a clockwise direction is equivalent to pressing the N 3100 UP ARROW button Turning the Nellcor knob in a counterclockwise direction is equivalent to pressing the N 3100 DOWN ARROW button There are no sounds or beeps associated with turning a Nellcor knob When the N 3100 is stacked with the N 3000 the UP and DOWN ARROW buttons are not accessible and the Nellcor knob must be used Toenter configuration mode 1 Ifthe monitor is on turn it off 2 While simultaneously pressing both UPPER and LOWER ALARM LIMIT buttons turn the monitor on Continue to hold down both the UPPER and LOWER ALARM LIMIT buttons until CFG begins flashing in the MEAN PULSE RATE display 3 Releasethe UPPER and LOWER ALARM LIMIT buttons 4 Press thePRINT button CFG stops flashing and remains displayed in the MEAN PULSE RATE display If you do not press the PRINT button within 15 seconds the monitor turns off automatically You are now in configuration mode steady state The N 3100 automatically shuts off if there is no button action for approximately 2 minutes When an alarm limit is changed from the previous default value a decimal point appears next to the
104. srenonvvnrnvrvnnnvnnen ceeeeeeeeeseaeeeeneeeeaes 4 6 43 Serice Mode ceceker snarare add 4 7 4 3 1 Menu Item 1 Software Version Report rurrnrnnnnnnvnnnnnre 4 10 4 3 2 Menu Item 2 Lamp Test Mode n e nen 4 10 4 3 3 Menu Item 3 Button Test Mode rrnnnnnnnonnnnrnrrnnnen eee 4 10 4 3 4 Menu Item 4 Speaker Test Mode 4 11 4 3 5 Menu Item 5 Internal Configuration Code ICC Report urnrnannvnnannvnnnvvnnnrn aanrnnannvnnenrennnn 4 12 4 3 6 Menu Item 6 Total Operating Hours Report 4 12 4 3 7 Menu Items 7 16 Error Log Record Report 4 12 4 3 8 Menu ltem 17 Instrument Identification IID Report 4 13 4 3 9 Menu Item 18 Power and Battery Status Report 4 13 4 3 10 Menu Item 19 Persistent Time Sense Report 4 14 4 3 11 Menu Item 20 Reset to Factory Defaults 4 14 4 3 12 Menu Item 21 Initial Cluster Instrument Number CIN Selection 3 ccxstesvcthieeeecietctstenies oi sennae 4 14 4 3 13 Menu Item 23 Enable Disable Alarm Silence REMINdel cccccccesseceeseseceseeseeeesceeeeseaes 4 15 4 3 14 Menu Item 24 Pressure Calculation Algorithm Selection rranrnnnnrrnnnnrnnnn venn ceeeeeeseeeeeeeees 4 15 4 3 15 Menu Item 29 Instrument Compatibility Report 4 16 4 3 16 Menu Item 30 Pressure Transducer Accuracy Test Mode rnrannronnnnnnvrnnnnnnvrnnn eeteeeeeeeeeneaees 4 16 4 3 17 Menu Item 31 Inflation Time Test Mode e 4 17 4 3 18 Menu
105. ssembly to the right side panel as illustrated in Figure 6 4 Hose fitting Speaker assembly m Loctite Figure 6 4 Removing the Monitor Speaker Assembly 4 Remove the speaker from the molded housing 5 Install a new speaker 6 Tighten the two screws 6 4 Section 6 Disassembly Guide 6 3 3 Replacing the Hose Fitting To replace the hose fitting 1 2 3 4 5 Perform step 1 in paragraph 6 3 2 Disconnect the pump hose from the fitting on the side panel Loosen and remove the retaining nut Pull fitting out of the side panel molded housing Install the new fitting applying LocTite removable thread locker 242 or Svat on the hose fitting and retaining nut as illustrated in Figure Ensure that the hose is located as indicated in Figure 6 4 to avoid crimping when the monitor is reassembled Connect the hose to the fitting 6 3 4 Removing the UIF Board When replacing the UIF PCB ensure that the Instrument Identification on the bottom of the unit see Figure 6 2 is replaced with the one provided with the replacement PCB To remove the UIF board 1 Disassemble the monitor as indicated in paragraph 6 3 and 6 3 2 steps 1 through 3 Remove the five screws securing the board to the chassis as shown in Figure 6 5 Lift up carefully prying up on the left side where J 3 is connected to the top docking connector which is mounted to the chassis Disconnect the Display board from the UIF
106. t or adult cuff used in Neonatal mode Neonatal cuff used while in Adult mode Measured values not in proper relationship for example systolic should be greater than mean or pulse rate out of range of N 3100 Invalid measurement data The N 3100 has received more button pushes than it can retain while it processes the current operation A 3 Appendix User correctable error codes cont 093 Blood pressure test failed displayed only in service mode 094 Blood pressure test failed displayed only in service mode 097 Communication failure with the pump assembly displayed only in service mode A4 FAILURE ERROR CODES Table A 2 lists the possible failure error codes in numerical order Table A 2 N 3100 Failure Error Codes Error Code Explanation EE 113 Internal component failure on UIF PCB 114 System is unstable the number of resets in the last minute is excessive 159 Operation not completed A5 INTERNALLY CORRECTED ERROR CODES Module reset occurred while in configuration or service mode Internally corrected error codes are not normally displayed These errors are logged on the internal Error Log and the N 3100 watchdog circuitry resets the monitor They can be accessed only by using the service mode menu items 7 through 16 as indicated in Paragraph 4 3 service mode A 4 Appendix Table A 3 lists the internally corrected error codes Note It is not normally necessary for service personnel to access the
107. tegrity tests to verify and monitor proper operation As a result error codes are recorded in the internal Error Log and codes may be displayed on the monitor front panel display These error codes help establish a starting point for troubleshooting the N 3100 Failure error codes are produced by the N 3100 when one of the following automatic integrity tests detects an error POST Power On Self Test and Watchdog The POST tests and verifies microprocessor memory display speaker communications time sense device control logic and blood pressure module hardware The watchdog circuit monitors the operational status of the microprocessor Background Test Background tests periodically run during normal operation and check the memory integrity and microprocessor operation Internal communication variables and parameters are checked for the appropriate values and timeliness Failure Error Detection A failure error may occur at any time The failure error detection process attempts to make an entry into the Error Log displays an error code sounds an alarm and places the instrument into a state including ceasing monitoring that minimizes the chance of additional risk to patient or caregiver Appendix A2 A 2 ERROR TYPES There are six classes of errors in the N 3100 as indicated in Table A 1 Table A 1 Error Types 1 Generic POST microprocessor failure Initialization failure Failureerror at the end of
108. th byte of the version in hexadecimal format The third digit will be H 14 Press the LOWER ALARM LIMIT button to return to the service mode steady state Caution Menu items 70 and above are for factory purposes only Adjustment of menu items 70 and above by other than qualified factory personnel may cause the N 3100 to malfunction 421 SECTION 5 TROUBLESHOOTING 5 1 5 2 5 3 5 4 5 5 5 1 Introduction 5 2 Howto Use this Section 5 3 Who Should Perform Repairs 5 4 Replacement Level Supported 55 Obtaining Replacement Parts 5 6 Troubleshooting Guide INTRODUCTION This section explains how to troubleshoot the N 3100 if problems arise Tables are included that list possible monitor difficulties along with probable causes and recommended actions to correct the difficulties HOW TO USE THIS SECTION Use this section in conjunction with Section 3 Performance Verification and Section 7 Spare Parts To remove and replace a defective part follow the instructions in Section 6 Disassembly Guide The circuit analysis section in the Technical Supplenent also offers information on how the monitor functions that you may find useful in troubleshooting WHO SHOULD PERFORM REPAIRS Only qualified service personnel should open the monitor housing remove and replace components or make adjustments If your medical facility does not have qualified service personnel contact Nellcor Puritan Bennett s Technical Services
109. the standby mode Verify that the monitor emits three consecutively higher pitched beeps Section 3 Performance Verification 3 3 1 3 Power On Defaults for Neonatal Alarm Limits and Ranges Note The following procedure is written using Nellcor Puritan Bennett factory set power on default settings If your institution has other custom power on default settings those values will be displayed and should be substituted in the following procedure The N 3100 can be reset to factory power on defaults using the service mode procedure described in Paragraph 4 3 11 Menu Item 20 or configuration mode as described in Paragraph 4 2 13 Configuration Menu item 3 In the following procedures each time the UPPER ALARM LIMIT button or the LOWER ALARM LIMIT button is pressed the N 3100 will emit a beep When observing or changing default limits a 3 second timeout is in effect i e if no action is taken within 3 seconds the monitor automatically returns to the normal operating mode steady state The following procedures use the N 3100 UP and DOWN ARROW buttons located on the top of the monitor When the N 3100 is stacked with the N 3000 the Nellcor knob on this unit can be used to perform the function of the N 3100 UP and DOWN ARROW buttons Turning the Nellcor knob in a clockwise direction is equivalent to pressing the N 3100 UP ARROW button Turning the knobina counterclockwise direction is equivalent to pressing the N 3100 DOWN ARROW butt
110. through token passing A token designates which station module or instrument has control of the Stackbus The token passes in a circular manner from station to station The station holding the token has the exclusive right to transmit onto the Stackbus but the right to transmit may be temporarily donated to another station to acknowledge a transmission by the token holder The token holder must relinquish control of the Stackbus by passing the token to the next station on the loop within a specified period of time During normal operation the right to access the Stackbus passes from station to station in a continuous consistent manner S 2 Technical Supplement All stations participate in the loop when stacked and turned on Maintenance of token passing loop initialization lost token recovery and the addition of new stations is implemented in the N 3000 s UIF Gateway and SpO 2 modules and in the N 3100 by the Arcnet S4 CIRCUIT ANALYSIS This section provides a descriptive overview of the N 3100 modular design as well as a detailed circuit analysis 4 1 FUNCTIONAL OVERVIEW The monitor functional block diagram is shown in Figure S4 1 S 3 Technical Supplement N3100 NIBP Measurement Module Colin BPM1500 Sense Cuff Watchdog CPU
111. tolic Blood Pressure 20 90 mmHg Mean Arterial Blood Pressure 35 105 mmHg Pulse Rate 40 240 bpm Measurement Accuracy Adult Pediatric Pulse Rate Accuracy Displayed pulse rates in the range of 40 200 bpm are accurate to within 2 bom or 2 whichever is greater Pressure scale range in the adult pediatric mode is 10 300 mmHg Values in the pressure scale range will be displayed while the N 3100 is inflating and deflating the cuff When the cuff pressure is within this range the pressure indicated by the N 3100 is within 3 mmHg or 2 whichever is greater of the actual cuff pressure Note Accuracy is not specified for displayed values outside of the stated ranges Neonatal Pulse Rate Accuracy Displayed pulse rate in the range of 40 240 bpm are accurate to within 2 bpm or 2 whichever is greater Pressure scale range in the neonatal mode is 5 150 mmHg Values in the pressure scale range will be displayed while the N 3100 is inflating and deflating the cuff When the cuff pressure is within this range the pressure indicated by the N 3100 is within 3 mmHg or 2 whichever is greater of the actual cuff pressure Note Accuracy is not specified for displayed values outside of the stated ranges 9 3 APPENDIX Al A2 A3 A4 A5 A1 INTEGRITY TESTS Integrity Tests Error Types User Correctable Error Codes Failure Error Codes Internally Corrected Error Codes The N 3100 routinely performs internal system in
112. utton four times Press and hold the DOWN ARROW button until 40 is shown in the MEAN PULSE RATE display From the normal mode steady state press the LOWER ALARM LIMIT button four times Verify that the monitor emits a single beep each time you press the button Within 3 seconds verify that the PULSE RATE indicator is lit and the MEAN PULSE RATE display indicates an alarm limit value of 40 and verify that the other displays show dashes at the bottom while the 40 is displayed From the normal mode steady state press the LOWER ALARM LIMIT button four times Within 3 seconds press and hold the DOWN ARROW button until 30 is displayed in the MEAN PULSE RATE display Verify that 45 is the lowest value to which the lower alarm limit can be adjusted From the normal mode steady state press and release the LOWER ALARM LIMIT button four times Within 3 seconds press and hold the UP ARROW button and verify 40 is the highest value to which the lower alarm limit can be adjusted Press the ON STANDBY button to turn the monitor off Verify that the monitor emits three consecutively lower pitched beeps Press the N 3100 ON STANDBY button to turn the monitor on The monitor performs the Power On Self Test described in 3 3 1 1 steps 3a through 3g From the normal mode steady state press and release the UPPER ALARM LIMIT button Verify that the monitor emits a single beep and that the SYSTOLIC display indicates
113. y that this number agrees with the number on the monitor s external label If the numbers do not agree contact Nellcor Puritan Bennett s Technical Services Department or your local Nellcor Puritan Bennett representative Press the LOWER ALARM LIMIT button to return to the service mode steady state 4 3 9 Menu Item 18 Power and Battery Status Report This menu item allows you to determine battery conditions L F rom the service mode steady state select menu item 18 by pressing the UP or DOWN ARROW buttons Press the UPPER ALARM LIMIT button The number 18 0 should appear in the SYSTOLIC display and the current battery voltage in volts appears in the DIASTOLIC display Press the UP ARROW button to display 18 1 in the SYSTOLIC display The number shown in the DIASTOLIC display field represents the current charge bus voltage in volts Press the UP ARROW button to display 18 2 in the SYSTOLIC display The number shown in the DIASTOLIC display represents the lower lithium cell voltage in volts Press the LOWER ALARM LIMIT button to return to the service mode steady state 4 13 Section 4 Configuration and Service Modes 4 3 10 Menu Item 19 Persistent Time Sense Report This report allows you to determine if the internal persistent time circuit is keeping time correctly 1 From the service mode steady state select menu item 19 by pressing the UP or DOWN ARROW buttons Press the UPPER ALARM LIMIT button
114. ycle STOP START 20 19 18 17 16 15 14 13 Figure 1 1 N 3100 Front Panel North American 3 4 56789 10 11 12 20 19 18 17 16 15 14 13 Figure 1 2 N 3100 Front Panel International SYSTOLIC display DIASTOLIC display MEAN PULSE RATE display UPPER ALARM LIMIT button CYCLE button AUTOMATIC MODE indicator MANUAL MODE indicator PULSE button AUDIBLE ALARM OFF indicator ON STANDBY button OANOOaABRWD oO RELATED DOCUMENTS 11 12 13 14 15 16 17 18 19 20 POWER ON indicator BATTERY IN USE BATTERY LOW indicator PRINTER IN USE STACKED indicator PRINT button STAT MODE button START STOP MEASUREMENT button LOWER ALARM LIMIT button CYCLE indicator PULSE RATE indicator NEONATAL MODE indicator To perform test and troubleshooting procedures and to understand the principles of operation and circuit analysis sections of this manual you must know how to operate the monitor Refer to the N 3100 operator s manual To understand the various Ndlcor Puritan Bennett cuffs and hose that work with the monitor refer to the individual cuff and hose directions for use SECTION 2 ROUTINE MAINTENANCE 2 1 2 2 2 3 CLEANING 2 1 Cleaning 2 2 Periodic Safety and Functional Checks 2 3 Batteries Caution Do not immerse the N 3100 or its accessories in liquid or

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