Breas Clearway 2 Service Manual Download

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Service Manual

Technical Instructions for Use

2210.2657 Revision 3.0

Summary of Contents for Clearway 2

Page 1: ...Service Manual Technical Instructions for Use 2210 2657 Revision 3 0...

Page 2: ...7 Set Time and Date 17 Calibration 18 Diagnostic Screen 23 Alarm Log 23 Install defaults 23 4 Part identification 24 Inside Front Case 24 Display PCB 25 Inside Rear Case 26 Power PCB 27 5 Parts List 2...

Page 3: ...42 Power Control PCB 42 Display Command PCB 43 Communication comms PCB 43 9 Pneumatic System 44 10 Batteries 45 Internal and External Batteries 45 Clock Battery 45 Alarm Battery 45 11 Technical Troub...

Page 4: ...rd upon Avon email uk breas com Warwickshire United Kingdom CV37 9HW www breas com What is the Clearway 2 The Clearway 2 is an airway clearance device that provides the following therapeutic options M...

Page 5: ...if you have any questions related to servicing of the device About this Manual Always read this manual in full before attempting any service or repair of the Clearway 2 Service personnel are advised...

Page 6: ...on Warning Risk of death or serious personal injury Warning Risk of electrical shock Warning Risk of cross contamination Warning Flammable material risk of fire Caution Risk of equipment damage loss o...

Page 7: ...and any special service instructions by trained service technicians Deviation from these instructions may lead to risk of personal injury Purpose Carrying out regular inspection and preventative main...

Page 8: ...xplosive gases and or fluids near the Clearway 2 Make sure that all precautions to prevent electrostatic discharge ESD have been taken Service Schedule An inspection of the Clearway 2 described in thi...

Page 9: ...e of measuring at least 300 sl m 2 70 Alcohol cleaning wipes Test Lung part no 6011 6mm leak port part no 00997 Clearway Breathing Circuit part no 0960 101 Medical Electrical Safety tester The followi...

Page 10: ...arm battery 3 V110H 5 Years Clock battery 002129 5 Years Blower 2210 U51D2 15000 hours Preparing for Inspection Clean the case exterior using 70 alcohol cleaning wipes Inspection record see Inspection...

Page 11: ...front switch Inspect the patient outlet The internal battery cover must be fitted and secured with 3 screws countersunk M4x6mm Inspect the condition of the rear sockets hand control external battery a...

Page 12: ...tlet to a manometer or gas flow analyser via a breathing circuit part 2210 101 and connect a test lung part 6011 to the measurement devices outlet Select Manual Mode Set Insufflation to 40 cmH2O and E...

Page 13: ...the CPF value displayed on screen value updates when the switch is released Displayed and measured values must be within 10 of each other Hand control when used Attach the breathing circuit part 2210...

Page 14: ...the side of the Clearway 2 A message will appear indicating that the sensor is connected Verify that a symbol is displayed next to SpO2 when no signal is present When a simulated SpO2 signal is prese...

Page 15: ...al connections Visually inspect all internal electrical cables Cable sheathing must be intact and in good condition and ensure cables have not been damaged Verify that all connections are securely mad...

Page 16: ...to IEC 60601 1 Regularly Inspect the AC mains cable and plug part number 2210 2701 Electrical safety testing shall be carried out by persons experienced in the electrical safety testing of medical dev...

Page 17: ...in English language only Unlocking the Clearway 2 Unlock by holding the padlock icon until a pop up appears and acknowledge it Clearway 2 must always be unlocked before accessing the service menu To E...

Page 18: ...section 2 indicate that the Clearway 2 requires calibration Select an MI E mode Basic Auto or Prog Auto 1 Enter the service menu and select begin calibration Press Next to move to the next window To...

Page 19: ...and Adjust P1 and P2 by pressing the corresponding and buttons 2 3 until they match the pressure measurement device reading Press STOP 4 to stop the blower Then press Next NOTE The blower will defaul...

Page 20: ...997 to the measurement device outlet 6 Press Start Blower 1 and Adjust F1 using corresponding and buttons 2 until it matches the flow measurement device reading Press STOP 3 to stop the blower then pr...

Page 21: ...alve Calibration The following procedure is factory set and not required unless a valve assembly or either PCB has been replaced or a software upgrade has been performed 1 Enter the service menu and s...

Page 22: ...d press ZERO The process is automatic The valve will move causing flow to increase at first then move to attempt to find zero When this achieved the valve spool will move to between the two end positi...

Page 23: ...r information Pressure sensor information Power supply information Battery information Alarm Log The alarm log shows a description and the number of alarm events and the time and date of the first and...

Page 24: ...Part identification 24 2210 2657 Rev 3 0 NIPPY Clearway 2 Service Manual 4 Part identification Inside Front Case...

Page 25: ...25 Part identification NIPPY Clearway 2 Service Manual 2210 2657 Rev 3 0 Display PCB...

Page 26: ...Part identification 26 2210 2657 Rev 3 0 NIPPY Clearway 2 Service Manual Inside Rear Case...

Page 27: ...27 Part identification NIPPY Clearway 2 Service Manual 2210 2657 Rev 3 0 Power PCB...

Page 28: ...U51D2 Blower Silicone Jacket 2210 2291 Flow Transducer 2210 2258 Cooling Fan 2210 2468 Cooling Fan Silicone Jacket 2210 2292 Front Switch Assembly 2210 2555 Alarm Battery 3 V110H Clock Battery 002129...

Page 29: ...29 Functional Diagrams NIPPY Clearway 2 Service Manual 2210 2657 Rev 3 0 6 Functional Diagrams Clearway 2 block diagram...

Page 30: ...Functional Diagrams 30 2210 2657 Rev 3 0 NIPPY Clearway 2 Service Manual Control PCB block diagram...

Page 31: ...31 Functional Diagrams NIPPY Clearway 2 Service Manual 2210 2657 Rev 3 0 Display PCB block diagram...

Page 32: ...Functional Diagrams 32 2210 2657 Rev 3 0 NIPPY Clearway 2 Service Manual Pneumatic diagrams...

Page 33: ...o remove the battery unscrew the 3 fixing screws on the battery door at the rear of the device as shown in the diagram below Slide the door outwards to reveal the internal battery Carefully pull the b...

Page 34: ...e from the Display PCB The two halves can now be separated To close the case ensure all components are secure and all electrical connections have been made Check that the two rubber feet are fitted to...

Page 35: ...nect the pressure pipes to the transducers P1 and P2 Connect the hand control connector CON7 Blower connector PL1 PSU connector CON1 Valve control connector CON 6 valve drive connector CON 5 mass flow...

Page 36: ...Fit Comms assembly and connect to CON 4 Removing and Replacing the Blower Switch off the Clearway 2 and disconnect the AC mains supply Follow the instructions on how to open the case NOTE Removing the...

Page 37: ...ove the flow transducer silicone pipe from the valve outlet Remove the 2 x screws securing the rigid tube then lift up the rigid tube and silicone tubes rotating them out of the way Leave the blower j...

Page 38: ...the AC mains supply Follow the instructions on how to open the case Place the Clearway 2 on its back To remove the Power supply Disconnect the AC input connector CN1 and the DC output connector CN2 f...

Page 39: ...ver the valve Make the electrical connection and the pressure transducer connections Removing and Replacing the Clock Battery We recommend that clock battery is replaced every 5 years The specified pa...

Page 40: ...h off the Clearway 2 and disconnect the AC mains supply Follow the instructions on how to open the case Before removing the battery Set the SW3 DIP switches 1 A_BAT OFF and 2 A_DIS ON Remove the displ...

Page 41: ...PY Clearway 2 Service Manual 2210 2657 Rev 3 0 When the battery has been replaced reset the SW3 DIP switches to the original positions 1 A_ BAT ON and 2 A_DIS OFF Check the date and time and adjust af...

Page 42: ...ce functions This interdependent two way communication means that none of the micros can fail without one of the others reporting the failure and activating a visual and audible alarm User inputs are...

Page 43: ...3 V 5 V 10 V 12 V The 5 v dc logic supply is live as soon as any power source is applied to the power PCB Display Command PCB Display Processor Alarm Processor Real Time Clock Alarm Battery Clock Batt...

Page 44: ...flow from the outlet to exhaust This causes negative pressure at the patient outlet When the valve spool is in its central position the spool port sits between the pressure and vacuum ports leaving th...

Page 45: ...nal battery if fitted If the batteries are to be stored it is recommended that they be stored at between 15 and 50 charged and at a temperature between 50C and 200C and no more than 400C Fully charge...

Page 46: ...LED lit Front panel not connected Faulty Front panel Faulty Power PCB Check front panel connection to display PCB CON 3 Replace front panel display command PCB Replace Power PCB Clearway 2 does not sw...

Page 47: ...tch Disconnected or kinked pressure tube Pressure transducer fault Check pressure tubes Replace power PCB Battery will not charge Battery fault Power PCB fault Replace the battery Replace the power PC...

Page 48: ...tlet Ensure that the Clearway achieves the set pressures on screen when the front switch is operated External verification may be carried out by connecting a manometer in line with the test circuit Me...

Page 49: ...ectromagnetic emission and immunity according to IEC 60601 1 2 4th edition See the Clinicians Instructions For Use manual for declarations and information about performed tests Returning Products to B...

Page 50: ...ettings Patient Settings Breas NIPPY Clearway 2 Patient Date Clinic Set by Patient Circuit Mode INS Pressure Ins Trig EXS Pressure Ti Ramp Te Ins Breaths Step Pause Treatment Cycles Oscillation Freque...

Page 51: ...ment Used Every 12 months Procedure Section PASS FAIL Comments Labels and Markings 2 6 Visual Inspection 2 7 Filter Change 2 7 Insufflation Pressure 2 8 Exsufflation Pressure 2 8 Flow 2 8 Front Switch...

Page 52: ...Clearway 2 Service Manual Every 5 years Procedure Section PASS FAIL Comments Internal Clean 2 9 Electrical Connections 2 9 Mechanical Fastenings 2 9 Clean Valve 7 7 Replace clock battery 7 10 Replace...

Page 53: ...Control 2210 2563 MI E Circuit 2210 101 IPPB NIV circuit 2210 102 Oxygen Connector 1963000 Foot Pedal Conversion 2210 1170 SpO2 Senor Module 006369 SpO2 Senor Adult 006589 SpO2 Senor Paediatric 00659...

Page 54: ...A2 The Bridge Business Centre Timothy s Bridge Road Stratford upon Avon England CV37 9HW Phone 44 0 1789 293 460 uk breas com www breas com Company registered in England and Wales no 07190611 Registe...

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