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2. Confirm that the isolation bumpers on the side panels are in the first and third holes from the

top, as shown in the diagram below.

Separate the chassis assembly from the circuit board

assembly

Before you begin, remove the following as described in this manual:
•

Battery

•

Rear housing

•

Front housing and side panels

1. Disconnect the pump power connector from J80 on the blood pressure board.

2. Disconnect the step valve manifold from the step valve on the blood pressure board.

Service Manual

Disassembly and repair  31

Содержание Welch Allyn Connex ProBP 3400

Страница 1: ...Welch Allyn Connex ProBP 3400 digital blood pressure device Service Manual Software version 1 04 XX ...

Страница 2: ...laws and international treaty provisions applicable worldwide Under such laws the licensee is entitled to use the copy of the software incorporated with this instrument as intended in the operation of the product in which it is embedded The software may not be copied decompiled reverse engineered disassembled or otherwise reduced to human perceivable form This is not a sale of the software or any ...

Страница 3: ... Power up sequence 21 Troubleshooting 23 Power 23 Display 24 Communication 24 NIBP 25 System errors 26 Disassembly and repair 27 Required tools and equipment 28 Disassemble the external housing 28 Separate the chassis assembly from the circuit board assembly 31 Disassemble the chassis assembly 33 Disassemble the circuit board assembly 36 Reassembly 39 Functional verification tests 43 About the Wel...

Страница 4: ...semblies 50 Circuit board assembly 52 Miscellaneous parts 53 Service tool 53 Licenses 53 Partners in Care service and support agreements 53 Service and repair training 54 Appendices 55 Clean the device 55 Factory defaults 56 Disassembly and repair reference 56 iv Contents Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 5: ...ractices that could result in damage to the equipment or other property or loss of data Consult operating instructions Power symbols green indicator External power present battery charged Battery charging amber indicator External power present battery is charging Rechargeable battery No external power present Battery charge level Button symbols Power on standby Return to previous screen Blood Pres...

Страница 6: ...ipment is not protected against the ingress of liquid Connectivity symbols Bluetooth wireless technology enabled USB connection Devices are connected via Bluetooth wireless technology Bluetooth radio is disabled or not paired Miscellaneous symbols Wireless radio alert in Europe European Communities Class 1 radio equipment EMC Framework of Australia Intertek ETL listed Type BF applied parts 2 Symbo...

Страница 7: ...or sale only upon order of a physician or licensed health care provider Serial number Manufacturer Reorder number Call for maintenance Non ionizing electromagnetic radiation Regulatory Affairs Representative Service Manual Symbols 3 ...

Страница 8: ...4 Symbols Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 9: ...rge the device WARNING Electric shock hazard Use the USB connector only to connect to devices complying with IEC 60601 1 or other IEC standards as appropriate to the device The user is responsible for verifying that the system complies with the requirements of the system standard IEC 60601 1 1 if additional devices are connected to the ProBP 3400 WARNING Inaccurate measurement risk Dust and partic...

Страница 10: ...or cause burns if disassembled crushed or exposed to fire or high temperatures Do not short Always install with correct polarity CAUTION The device is not heat resistant Do not autoclave CAUTION To ensure that the device meets performance specifications store and use the device in an environment that maintains the specified temperature and humidity ranges CAUTION Do not operate the device in the p...

Страница 11: ...that they are static sensitive and handle them accordingly Perform all service procedures in a static protected environment Always use techniques and equipment designed to protect personnel and equipment from electrostatic discharge Remove static sensitive components and assemblies from their static shielding bags only at static safe workstations a properly grounded table and grounded floor mat an...

Страница 12: ...8 Safety Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 13: ...y and lead to serious personal injury Find instructions for functional testing and performance verification in the Welch Allyn Service Tool help files Service work not described in this manual must be performed by qualified service personnel at the factory or at an authorized Welch Allyn service center For information about servicing any other product see the service manual for that product Relate...

Страница 14: ...re program Whether you service your own devices and require a minimum level of support or rely on us to service your device Welch Allyn provides a program that will meet your needs For more information visit our website at www welchallyn com or call your sales representative Warranty service All repairs on products under warranty must be performed or approved by Welch Allyn Refer all warranty serv...

Страница 15: ...ovide you with the address of the Welch Allyn Service Center to send your device to Technical support is available during local business hours Returning products When returning a product to Welch Allyn for service provide the following information Product reference number and serial number This information can be found on the product and serial number label on the bottom of the device A complete r...

Страница 16: ... A104 to find the special provisions for shipping lithium batteries b Clean the device NOTE To ensure safe receipt of your device by the service center and to expedite processing and return of the device to you thoroughly clean all residues from the device before you ship it to Welch Allyn If a returned device is found to be contaminated with bodily fluids it will be returned at the owner s expens...

Страница 17: ...n functional verification Maintenance For device maintenance information see the directions for use Covered topics include the following Changing the battery Inspecting and cleaning the device and accessories Configuration options The device is available in the configurations shown in the table below The model number suffix denoted by an asterisk indicates the power cord packaged with the device A...

Страница 18: ...lch Allyn NOTE To qualify for the Gold license you must attend the Welch Allyn technical training course or complete online training for the product Clinicians and technical service personnel can use the service tool to manage and maintain supported Welch Allyn products You can use the service tool to do the following Review device information When connected to the device the service tool lists in...

Страница 19: ...e tasks Restricting access prevents the service tool from being used to make unauthorized changes on a connected device Perform calibration check You can use the service tool to test the system to ensure that its performance meets calibration specifications A calibration check is required to meet the periodic maintenance requirements Perform functional verification and calibration The service tool...

Страница 20: ...16 Overview Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 21: ...isplay window or increases numeric values 4 Return button returns the user to the previous screen 5 Right navigation button highlights the Settings tab in the Display window or highlights options to the right 6 Charging LED indicates when device is connected to external power and battery charging state 7 Down navigation button highlights the next option in the Display window or decreases numeric v...

Страница 22: ...18 Controls and indicators Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 23: ...Connections 1 Mounting connection 2 Battery door screw 3 Blood pressure hose connection port 4 USB external power cord connection port 19 ...

Страница 24: ...20 Connections Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 25: ...ice 3 Confirm the following a The backlight turns on b The Welch Allyn startup screen appears and the product line logo appears at the bottom of the screen c The Home screen appears If the internal self test is successful the device shows its normal functions with all values blank and the device is ready for operation If a system error is detected the device becomes inactive until you press the po...

Страница 26: ...22 Power up sequence Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 27: ...solve the problem reference the observed behavior in the tables below NOTE Numeric error codes displayed alongside the text string errors are for engineering evaluation purposes These codes are not intended for diagnostic use WARNING Do not perform troubleshooting on a device that is emitting smoke or exhibits other signs of excessive overheating Disconnect the device from AC power and call Welch ...

Страница 28: ...rd Display Symptom Possible cause Suggested action The display is blank or cracked or the backlight is not on The display is faulty Replace the main board Communication Symptom Possible cause Suggested action A button does not respond correctly An internal connection is faulty Verify that the flex cable is securely installed in J5 on the main board The key panel is defective Replace the front hous...

Страница 29: ... connections Replace NIBP tubing and cuff An internal connection is faulty Verify that the manifold assembly is properly connected to the pump valves and transducer Verify that the dump valve cable is securely connected to J10 on the main board Verify that the pump cable is securely connected to J80 on the blood pressure board There is an air leak in the system or the air filter is occluded Replac...

Страница 30: ...e power Replace the main board 00000002 A ModF error occurred Cycle the device power Verify that J22 on the blood pressure board and J1 on the main board are properly connected Replace the blood pressure board Replace the main board 26 Troubleshooting Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 31: ...n to complete the full suite of functional tests to ensure that all systems are operating within the design specifications For more information about these tests and the service tool see Functional verification and calibration If you do not have the service tool contact Welch Allyn Technical Support WARNING Electrical shock hazard Disconnect AC power before opening the device Disconnect and remove...

Страница 32: ...ch piece with that piece as you remove modules and circuit assemblies Required tools and equipment 1 Phillips bit Torx T10 bit Torque driver calibrated for 3 0 in lb 0 5 in lb Torque driver calibrated for 4 0 in lb 0 5 in lb Torque driver calibrated for 6 0 in lb 0 5 in lb Needlenose pliers Tweezers Spudger nylon probe Disassemble the external housing No Item No Item 1 Screw M3 x 0 5 shoulder 6 Si...

Страница 33: ...vot it toward the top of the device until it comes free of the front housing Reassembly notes Start by orienting the rear housing at an angle of approximately 45 degrees from the front housing and then mate the tabs on the rear housing with the slots on the front housing Verify that no wires or hoses are crushed or pinched before securing the rear housing with screws After tightening the screws ex...

Страница 34: ...semblies remove the side panels CAUTION Always protect the LCD When the main board is outside of the device case never rest the board on the LCD When replacing the front housing Remove the liner from the inside of the housing window if present Wipe any dust or fingerprints off of the window with a clean cloth Reassembly notes Before reassembly do the following to ensure proper installation of the ...

Страница 35: ...sembly from the circuit board assembly Before you begin remove the following as described in this manual Battery Rear housing Front housing and side panels 1 Disconnect the pump power connector from J80 on the blood pressure board 2 Disconnect the step valve manifold from the step valve on the blood pressure board Service Manual Disassembly and repair 31 ...

Страница 36: ...ssis assembly away from the circuit board assembly and disconnect the battery contact harness from J2 on the main board Reassembly notes See the Reassembly section for the recommended procedure to reassemble the device after the chassis and circuit board assemblies have been separated 32 Disassembly and repair Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 37: ...assemble the chassis assembly No Item No Item 10 Manifold assembly 7 Isolation bumper 11 Adhesive pad dump valve 14 Inner chassis 12 Pump 15 Battery contact harness Service Manual Disassembly and repair 33 ...

Страница 38: ... from the pump manifold Remove the pump and manifold assembly Before you begin remove the following as described in this manual Battery Rear housing Front housing and side panels Circuit board assembly 1 On the underside of the inner chassis do the following a Remove the pump cable from the routing slot and wire clip b Remove the air filter from the retaining clip 2 Disconnect the dump valve manif...

Страница 39: ...no adhesive residue remains on any items that will be installed in the device Use a new adhesive pad to install the dump valve onto the inner chassis Remove the battery contact harness Before you begin remove the following as described in this manual Battery Rear housing Front housing and side panels Circuit board assembly Pump and manifold assembly 1 Remove the battery contact harness from the wi...

Страница 40: ...te the wires as shown in the diagram below Insert the black wire into the wire clips Place the red wire in the notches Disassemble the circuit board assembly 36 Disassembly and repair Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 41: ...t an angle might damage these pins 3 Flex the PCBA mount to free two corners of the blood pressure board and slide the board clear of the PCBA mount Reassembly notes Ensure that the blood pressure board is oriented correctly in the PCBA mount Ensure that all pins of the 8 pin connector on the main board J1 are aligned with J22 on the blood pressure board before connecting the boards When replacing...

Страница 42: ...38 Disassembly and repair Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 43: ...sembly instructions Keep the assemblies separated Ensure that the isolation bumpers are installed on the side panels as described in When replacing the side panels or isolation bumpers 1 Orient the chassis and circuit board assemblies as shown below and connect the dump valve cable to J10 on the main board 2 Place the front housing face down on the antistatic mat and insert one side panel 3 Place ...

Страница 44: ... the flex cable into the ZIF connector J5 on the main board and lock the connector 6 Pivot the chassis assembly over the circuit board assembly and connect the battery contact harness to J2 on the main board 7 Connect the step valve manifold to the step valve on the blood pressure board 8 Connect the pump cable to J80 on the blood pressure board Ensure that the cable is routed as shown below 40 Re...

Страница 45: ...nifold with the pressure transducer on the blood pressure board 10 Push the dump valve manifold onto the pressure transducer until fully seated 11 Install the rear housing battery and battery compartment door by reversing the applicable disassembly instructions Service Manual Reassembly 41 ...

Страница 46: ...42 Reassembly Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 47: ...ver level testing shows an out of specification result use the Gold level service tool to perform a full calibration The Gold level service tool checks the functionality and calibration of the device As it checks the device the Gold tool also performs any needed calibration to bring the device within specifications This full suite of tests is required to complete a repair Each time you open the ca...

Страница 48: ...uired equipment Material no Description Silver Gold Qty 407691 Service test box 1 407672 BP test volume repair fixture 113670 1 407841 Adapter Y tube PTSS 1 4500 30 Blood pressure hose 5 ft 1 3400 925 USB cable 2 4 m 8 ft 1 200 2000IN Pressure meter NETECH 1 103521 Welch Allyn Service Tool CD 1 44 Functional verification tests Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 49: ...B cable to connect the device to the computer f If the device is not already on power it up The device name and serial number appear on the Device list page g Keep the service tool open so that you can access the serial number later in this procedure 2 Place the device into Pairing mode a On the device navigate to Settings Bluetooth radio b Confirm that Enable is selected c Select Pair The device ...

Страница 50: ...ax 5 Overpressure test Specification Actual reading OverPressureTest 280 329 Accuracy test Target pressure 5 mmHg Pressure meter Service tool Specification Pass fail 0 mmHg mmHg mmHg 3 mmHg 50 mmHg mmHg mmHg 3 mmHg 150 mmHg mmHg mmHg 3 mmHg 250 mmHg mmHg mmHg 3 mmHg 46 Functional verification tests Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 51: ...rization code to enter in the service tool The code authorizes the service tool to download the license file from the Welch Allyn server The service tool then installs the license on the connected device enabling the new feature A more detailed description of the license process can be found in the service tool help files NOTE When a license authorization code is used to activate the license the a...

Страница 52: ...Model Bluetooth SureBP 34XF 34BF Not available for this model Available for this model Included with this model 48 Upgrades and licenses Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 53: ...ble service parts Product accessories are listed separately in the directions for use Service kits are shown with the contents listed underneath each kit External housing Service kit front housing material number 104097 No Item Qty 9 Front housing 1 9 Key panel 1 49 ...

Страница 54: ...em Qty 6 104098 Service kit side panels 2 3 BATT11 Lithium ion battery 1 cell 1 2 3400 100 Battery door with screw 1 Chassis and manifold assemblies 50 Field replaceable units Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 55: ...ifold 1 23 Step valve manifold 1 21 Blood pressure port 1 19 Air filter 1 Not shown 1 8 elbow fitting 1 Not shown L fitting 4 22 1 8 tubing 1 Not shown 1 16 tubing short 1 18 1 16 tubing long 1 11 Adhesive pad dump valve 1 Individual parts No Material no Item Qty 12 104121 Service kit pump 1 15 104122 Service kit battery contact assembly 1 21 104123 Service kit blood pressure port 1 Service Manual...

Страница 56: ...e tool Gold edition to program No Item Qty 25 Main board 1 Service kit ModF PCBA material number 104125 No Item Qty 27 Blood pressure board 1 Individual parts No Material no Item Qty 26 104126 PCBA mount 1 52 Field replaceable units Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 57: ...3400 BT Bluetooth activation code 3400 SUREBP SureBP activation code Partners in Care service and support agreements Material no Item Material no Item S1 3400 Comprehensive Partnership Program 1 year S1 3400 2 Comprehensive Partnership Program 2 years S2 3400 Biomed Partnership Program 1 year S2 3400 2 Biomed Partnership Program 2 years S3 3400 Investment Protection Partnership Program 1 year S3 3...

Страница 58: ...Service and repair training Material no Item PROBP3400REPW TRN Repair web training 54 Field replaceable units Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 59: ...ormer and wall plug Should this occur dry the connectors with warm air Check the accuracy of all operating functions CAUTION The device is not heat resistant Do not autoclave The following agents are compatible with the device 70 percent isopropyl alcohol 10 percent chlorine bleach 90 percent water solution NOTE Clean the device on a routine basis according to your facility s protocols and standar...

Страница 60: ...take the following precautions Ensure the power transformer is unplugged from the outlet Ensure cleaning cloth is not dripping or over saturated Apply minimal pressure on wipe when cleaning avoid wiping gap or connection areas on the power transformer and wall plug Ensure the power transformer wall plug and cord are dry before plugging into outlet NOTE Clean the device on a routine basis according...

Страница 61: ...r push the mating pieces together until the latch locks in place Pressure Pressure connectors use friction to prevent accidental disconnects To remove a pressure connector grasp each connector mating half and pull the halves apart CAUTION Do not use excessive force to disconnect the connector Excessive force may result in pulling the mounted connector off the circuit board To connect a pressure co...

Страница 62: ...ol to keep the latching piece elevated 3 Slide the latching piece toward the connector body until it locks into place Connector diagrams Main board connectors ID Connects with Type J1 J22 on the blood pressure ModF board Pressure J2 Battery Locking J3 External USB USB J5 Keypad ZIF J10 Dump valve Pressure 58 Appendices Welch Allyn Connex ProBP 3400 digital blood pressure device ...

Страница 63: ...Blood pressure board connectors ID Connects with Type J22 J1 on the main NCE board Pressure J80 Pump Pressure Service Manual Appendices 59 ...

Страница 64: ......

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