ARJO HUNTLEIGH FLOWTRON UNIVERSAL User manual

Service Manual
FLOWTRON®UNIVERSAL

Flowtron Universal Service Manual
Issue 2 Ammendment Record
Sep 2009 SER0009 Page i
Service Bulletins Incorporated
Bulletin Content Date
incorporated
SERB008 Cleaning Instructions Sep 2009
SERB022 Manifold Repair Sep 2009
SERB023 Software Upgrade to V3.00 Sep 2009
SERB028 Flowtron Universal LCD Replacement Sep 2009
SERB030 Software Upgrade to V3.01 Sep 2009
SERB034 PCB Changes Sep 2009

Flowtron Universal Service Manual
Ammendment Record Issue 2
Page ii SER0009 Sep 2009

Flowtron Universal Service Manual
Issue 2
Sep 2009 SER0009 Page iii
CONTENTS
CHAPTER 1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
About This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Warnings, Cautions and Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Technical Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pressure Transducer Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Battery on the Control PCB Assembly (if fitted) . . . . . . . . . . . . . . . . . . . . . . . 3
Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
System Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
CHAPTER 2
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Troubleshooting Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Alarm Cancel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
CHAPTER 3
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Cleaning Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Maintenance Checks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
CHAPTER 4
Testing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Initialising the Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Garment Recognition Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Checking the Basic Pump Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Location of the Soft-Function Buttons on the Pump Membrane Label. . . . . . . . . . . . . . 5
Using the Buttons below the Service Screen on the LCD Display . . . . . . . . . . . . . . . . 5
Preparation of the Calibration Test Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . 6
Checking the Calibration of the Pressure Transducer . . . . . . . . . . . . . . . . . . . . . . 7
Re-calibrating the Pressure Transducer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Recalibrating the Pump Hose Set Assemblies. . . . . . . . . . . . . . . . . . . . . . . . . . 12
Electrical Safety Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Electrical Safety Checks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Earth/Ground Continuity Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Flowtron Universal Service Manual
Issue 2
Page iv SER0009 Sep 2009
Insulation Resistance Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Dielectric Strength Test (Flash Test). . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Leakage Earth/Ground Current Test (USA) . . . . . . . . . . . . . . . . . . . . . . . . 15
CHAPTER 5
Pump Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Pump Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Removing the Case IEC Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Installing the Case IEC Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Replacing the Inlet Filter Felt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Removing the Mains/Power Cordset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Installing the Mains/Power Cordset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Removing the Hose Set Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Installing the Hose Set Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Removing the Rear Case from the Pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Installing the Rear Case onto the Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Removing the Handle and Hook Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Installing the Handle and Hook Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Separating the Top Case Assembly from the Front Case . . . . . . . . . . . . . . . . . . . 15
Installing the Top Case Assembly onto the Front Case. . . . . . . . . . . . . . . . . . . . . 16
Replacing the Mains/Power Fuses on the Power Supply PCB Assembly . . . . . . . . . . . 17
Replacing the Air Inlet Filter on the Compressor Assembly. . . . . . . . . . . . . . . . . . . 17
Removing the Motor and Manifold Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Repairing the Motor and Manifold Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Installing the Motor and Manifold Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Including a Longer Transducer Tube on the Motor and Manifold Assembly . . . . . . . . . . 25
PCB Part Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Interchangeability of PCBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Removing the Control Printed Circuit Board (PCB) Assembly . . . . . . . . . . . . . . . . . 29
Installing the Control Printed Circuit Board (PCB) Assembly . . . . . . . . . . . . . . . . . . 29
Removing the Power Supply PCB (Printed Circuit Board) Assembly. . . . . . . . . . . . . . 31
Installing the Power Supply PCB (Printed Circuit Board) Assembly . . . . . . . . . . . . . . 31
Removing the LCD Sub-Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Removing the Control PCB Assembly from the Top Case Assembly . . . . . . . . . . . 33
Removing the LCD Sub-Assembly from the Control PCB Assembly . . . . . . . . . . . 33
Installing the LCD Sub-Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Installing the LCD Sub-Assembly onto the Control PCB Assembly . . . . . . . . . . . . 34
Installing the Control PCB Assembly into the Top Case Assembly . . . . . . . . . . . . 35

Flowtron Universal Service Manual
Issue 2
Sep 2009 SER0009 Page v
Replacing the Membrane Label by removing the Control PCB Ass’y from the Top Case Ass’y.37
Replacing the Membrane Label without removing the Control PCB Assembly . . . . . . . . . 39
Removing the Run Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Installing the Run Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Replacing the Top Case Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Replacing the Battery on the Control PCB Assembly (if fitted). . . . . . . . . . . . . . . . . . 41
Removing the Compressor Assembly and Mounting Bracket . . . . . . . . . . . . . . . . . .43
Installing the Compressor Assembly and Mounting Bracket . . . . . . . . . . . . . . . . . . . 43
Removing the Compressor Assembly from the Mounting Bracket. . . . . . . . . . . . . . . .45
Installing the Compressor Assembly onto the Mounting Bracket . . . . . . . . . . . . . . . . 45
Replacing the Rear Case. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Replacing the Front Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
CHAPTER 6
Updating the software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Installing the Communicator Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Connecting the Pump to a Laptop / Desktop PC. . . . . . . . . . . . . . . . . . . . . . . . . 9
Launching the Communicator Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Executing Commands on the Command Menu . . . . . . . . . . . . . . . . . . . . . . . . . 12
Communication Error when Executing Commands . . . . . . . . . . . . . . . . . . . . . . . 13
Closing the Communicator Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Initialising the Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Checking the Version of the Pump Software. . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Downloading the V3.01 Software Files to the Pump . . . . . . . . . . . . . . . . . . . . . . . 17
CHAPTER 7
Technical Specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
CHAPTER 8
Parts List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Pump Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
CHAPTER 9
Service Contact Details. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Flowtron Universal Service Manual
Issue 2
Page vi SER0009 Sep 2009

Flowtron Universal Service Manual Introduction
Issue 2 Chap 1
Sep 2009 SER0009 Page 1
CHAPTER 1
INTRODUCTION
1 About This Manual
ArjoHuntleigh strongly recommend that their equipment is only serviced by trained personnel
andprovide coursesfor customerswho wishto become licensed to service their own equipment.
In no event will ArjoHuntleigh be responsible for any service performed by customers or third
parties.
This manual contains information on maintenance, servicing, repair, troubleshooting and testing for the
Flowtron®Universal pump. Read and understand this manual before attempting to service or repair
the equipment.
Numbering and Cross-Referencing in this Manual
For all chapters in this manual:
• Page, section and paragraph numbering re-start at “1”.
• Figure and table numbering continue from the previous chapter.
• Cross-references which include a chapter number (and/or chapter title) refer to text in a different
chapter. Cross-references which do NOT include any chapter number (or chapter title) refer to text
within the same chapter.
Warnings, Cautions and Notes
WARNINGS given in this manual identify possible hazards in procedures or conditions which, if not
correctly followed, could result in death, injury or other serious adverse reactions.
CAUTIONS given in this manual identify possible hazards in procedures or conditions which, if not
correctly followed, could result in equipment failure or damage.
Notes given in this manual are used to explain or amplify a procedure or condition.
WARNING: BEFORE PERFORMING ANY SERVICE OR MAINTENANCE PROCEDURES,
ENSURE THAT THE EQUIPMENT HAS BEEN ADEQUATELY
DECONTAMINATED.
WARNING: BEFORE DISMANTLING THE PUMP, ENSURE UNIT HAS BEEN ISOLATED
FROM THE POWER SUPPLY BY REMOVING THE CORD PLUG FROM THE
WALL OUTLET.
WARNING: VOLTAGES IN EXCESS OF 30 VOLTS RMS OR 50 VOLTS DC CAN, IN
CERTAIN CIRCUMSTANCES, BE LETHAL. WHEN WORKING ON
EQUIPMENT REQUIRING EXPOSURE TO LIVE/HOT, UNPROTECTED
CONDUCTORS WHERE SUCH VOLTAGES ARE PRESENT, EXTREME CARE
MUST BE EXERCISED.
2 General Description
The Flowtron Universal system is a non-invasive external intermittent pneumatic compression system
for reducing the incidence of deep vein thrombosis (DVT).
The application of external intermittent pneumatic compression has two effects:
• Augments venous blood flow velocity, thereby reducing stasis.
• Enhances fibrinolytic activity to reduce the risk of early clot formation.

Introduction Flowtron Universal Service Manual
Chap 1 Issue 2
Page 2 SER0009 Sep 2009
Thesystemcomprisesa pump that canbe usedin conjunctionwith apair ofArjoHuntleighsingle-patient-
use compression garments.
The pump provides intermittent cycles of compressed air to the two connected compression garments,
which are inflated alternately. The pump can be used with a number of different ArjoHuntleigh single-
patient-use compression garments, including:
• Foot garments, e.g. FG100-200.
• Single-chamber calf and thigh/calf garments, e.g. DVT10-40, 60.
The pump automatically adjusts the correct therapy profile for the garment type being inflated.
Anoptional batterypack isavailable which allowsthepumptobeusedindependentlyofthemains/power
supply. The battery pack slides onto the base of the pump, and recharges itself when the pump is
operating from the mains/power supply.
The pump has the following controls (Refer to Figure 1):
•ARun/Standby push-button. This is used to start and stop the therapy applied to the patient.
• An illuminated graphic LCD display. This indicates:
• The type of garment(s) connected.
• The pressure delivered to each garment.
• Alarm indications.
• A membrane label which contains the following four soft-function buttons:
• A three-button keypad below the LCD display. These are used during the normal operation
of the pump.
• A single “hidden” button above the LCD display. This is used during service and repair
operations only.
• Red and green LED indicators on the front of the pump to show alarm and run status.
• Automatic detection of the connected garment type.
Figure 1 - Flowtron Universal Pump
Run/Standby Button
LCD Display +
Membrane Label
Power/Alarm LED
Indicators
Hose Set Assemblies to Garments