Covidien WarmTouch - Figure 3-5 Warming Unit Mounted on IV Pole

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Installing the Warming Unit

Service Manual 3-7

Figure3-5.Warming Unit Mounted on IV Pole

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Table of Contents3
Introduction15
Overview15
Safety Information16
Safety Symbol Definitions16
Warnings (Service)16
Cautions (Service)17
Warnings (Patient Treatment)18
Cautions (Patient Treatment)20
ESD (Electrostatic Discharge) Precautions21
Tools Required for Service21
Serial Number, Software Version, and Error Codes23
Figure 1-1 Serial Number Label on Back of Warming Unit23
Figure 1-2 Menu Screen24
Figure 1-3 System Information Screen24
Component Disposal - WEEE Directive25
Labeling Symbols26
Introduction26
Obtaining Technical Assistance28
Related Documents31
Warranty Information31
Product Overview33
Overview33
Product Description33
Features33
Indications for Use34
Contraindications34
Covidien Warmtouch™ Warming Blankets34
Product Views35
Front View35
Figure 2-1 Front View35
Back View36
Product Overview36
Figure 2-2 Back View36
Operator's Panel37
Figure 2-3 Operator's Panel37
Installation39
Overview39
Safety Reminders39
Attaching the Power Cord40
Figure 3-1 Positioning the Unit for Power Cord Installation40
Figure 3-2 Power Cord Connection41
Figure 3-3 Power Cord Wrapped and Secured42
Installing the Warming Unit43
Pole Installation43
Figure 3-4 Back View44
Figure 3-5 Warming Unit Mounted on IV Pole45
Bed Installation46
Figure 3-6 Bed Installation46
Cart Installation47
Figure 3-7 Back View47
Figure 3-8 Cart Mounting Peg and Warming Unit Mounting Hole48
Figure 3-9 Warming Unit Mounted on Cart49
Operation51
Overview51
Safety Reminder51
Applying Power52
Overview of Warming Unit Operating Modes53
Beginning Operation54
Figure 4-1 Main Screen at Power-On54
Figure 4-2 Replace Filter Screen at Power-On54
Controlling the Temperature55
Using Boost Mode56
Figure 4-3 Warming System Set to 40°C (Medium)56
Figure 4-4 Warming System Set to Boost Mode56
Using the Heat off Setting57
Returning to Ready Mode57
Figure 4-5 Warming System Set to Heat off57
Figure 4-6 Warming System Set to Ready Mode57
Returning to Standby Mode58
If Power Is Interrupted58
Powering off the Warming Unit58
Maintenance59
Overview59
Safety Reminders59
Cleaning the Warming Unit60
Safety Checks61
Physical Inspection61
Temperature and Alarm Verification61
Electrical Safety Tests61
Filter Replacement62
Figure 5-1 Replace Filter Screen62
Figure 5-2 Filter Enclosure and Power Cord Connection63
Figure 5-3 HEPA Filter64
Figure 5-4 Gasket Inside Filter Enclosure65
Figure 5-6 Filter Information Screen - Filter Expired66
Figure 5-7 Main Screen at Power-On67
Figure 5-8 Power Cord Wrapped and Secured67
Monitoring the Filter Status68
Figure 5-9 Menu Screen68
Figure 5-10 Filter Information Screen69
Troubleshooting71
Overview71
Safety Reminders71
Principles of Operation72
Overview72
Block Diagram73
Figure 6-1 Warming Unit Block Diagram73
Component Descriptions74
Component Cable Connections78
Figure 6-2 Cable Connections between Major Components78
Basic Troubleshooting79
Figure 11-1 Thermistor Sensor Assembly81
Figure 11-8 Thermostat81
Figure 11-13 Thermostat Cable81
Alarms82
Figure 6-3 Low-Priority Alarm (Left) and Medium-Priority Alarm (Right)82
Performance Verification85
Overview85
Safety Reminders85
Required Test Equipment86
Service Screen Access86
Figure 7-1 Key Code Screen86
Performance Tests87
Power-On Test87
Figure 7-2 Main Screen at Power-On88
Figure 7-3 Replace Filter Screen at Power-On88
Keypad Test89
Display Test91
Temperature Accuracy Test92
Figure 7-4 Position of Hose for Temperature Accuracy Test92
Flow Test94
Figure 7-5 Position of Hose for Flow Test94
Thermostat Test95
Figure 7-6 Menu Screen95
Figure 7-7 Key Code Screen95
Figure 7-8 Select Test Screen96
Figure 7-9 Thermostat Test Screen96
Electrical Safety Tests98
Ground Bond Test98
Earth Leakage Current Test (Line Leakage)98
Enclosure Leakage Current Test (Line Leakage)98
External Component Replacement99
Overview99
Safety Reminders99
Pole Clamp Replacement100
Figure 8-1 Pole Clamps100
Figure 8-2 Pole Clamp Foot and Knob101
USB Port Cover Replacement102
Figure 8-3 USB Port Cover102
Power Cord Replacement103
Figure 8-4 Power Cord Connection103
Figure 8-5 Power Cord Wrapped and Secured105
Nozzle Replacement106
Figure 8-6 Nozzle106
Figure 8-7 Nozzle Clips107
Nozzle Strap with Clip Replacement108
Figure 8-8 Nozzle Strap with Clip108
No Free-Hosing Label Replacement109
Figure 8-9 no Free-Hosing Labels on Front Enclosure (L) and Nozzle (R)109
Accessing the Inside of the Warming Unit111
Overview111
Safety Reminders111
Separating the Front and Rear Enclosures112
Figure 9-1 Separated Enclosures112
Figure 9-2 Power Cord Connection113
Figure 9-3 Enclosure Screws114
Rejoining the Front and Rear Enclosures115
Figure 9-4 Rejoining the Enclosures115
Figure 9-5 Power Cord Connection116
Figure 9-6 Power Cord Wrapped and Secured117
Figure 10-15 Ribbon Cable119
Figure 10-27 Speaker119
Internal Component Replacement (Inside Front Enclosure)120
Safety Reminders120
Keypad Replacement121
Figure 10-1 Keypad121
Figure 10-2 Keypad Cable Connection on UI PCBA122
Figure 10-3 Removing the Keypad123
Figure 10-4 Feeding the Keypad Cable through the Access Slot124
Figure 10-5 Aligning the Keypad124
Figure 10-6 Keypad Cable Secured by Locking Bar125
Display (LCD) Replacement126
Figure 10-7 Display Behind UI PCBA126
Figure 10-8 Display Cable Connection on UI PCBA127
Figure 10-9 Positioning the Display128
User Interface (UI) PCBA Replacement130
Figure 10-10 UI PCBA130
Figure 10-11 UI PCBA Connections132
Figure 10-12 USB Connection on UI PCBA133
Figure 10-13 Attaching Backing Plate and Cable Tie to UI PCBA134
Figure 10-14 Keypad Cable Secured by Locking Bar136
Ribbon Cable Replacement137
Figure 10-16 Ribbon Cable Connections138
USB Cable Replacement140
Figure 10-17 USB Cable140
Figure 10-18 USB Port141
Figure 10-19 UI PCBA Connections142
Figure 10-20 USB Connection on UI PCBA143
Figure 10-21 Attaching Backing Plate and Cable Tie to UI PCBA144
Figure 10-22 Keypad Cable Secured by Locking Bar146
Clock Battery Replacement147
Figure 10-23 Clock Battery on UI PCBA147
Power PCBA Replacement149
Figure 10-24 Power PCBA149
Figure 10-25 Power PCBA Connections151
Fuse Replacement153
Figure 10-26 Fuses on Power PCBA153
Speaker Replacement155
Figure 10-28 Speaker Cable Connections156
Speaker Cable Replacement158
Figure 10-29 Speaker Cable158
Figure 10-30 Speaker Cable Connections159
Power Supply Replacement161
Figure 10-31 Power Supply161
Figure 10-32 Power Supply Connections162
Power Supply Output Cable Replacement164
Figure 10-33 Power Supply Output Cable164
Figure 10-34 Power Supply Output Cable Connections165
Ground Cable Replacement166
Figure 10-35 Ground Cable166
Figure 10-36 Ground Cable Terminal on Equipotential Stud167
AC Power Inlet Replacement169
Figure 10-37 AC Power Inlet169
Figure 10-38 AC Power Inlet Connections170
Figure 10-39 Equipotential Stud Connections171
Equipotential Stud Replacement173
Figure 10-40 Equipotential Stud173
Figure 10-41 Equipotential Stud Connections174
Figure 10-42 Equipotential Stud and Washer175
Internal Component Replacement (Inside Rear Enclosure)178
Safety Reminders178
Thermistor Sensor Assembly Replacement179
Figure 11-2 Thermistor Wire and Rivet180
Figure 11-3 Thermistor Cable Connections181
Figure 11-4 Attaching Rivet to Thermistor Wire182
Figure 11-5 Inserting Thermistor Wire and Rivet182
Figure 11-6 Thermistor Position Inside Hose Duct Adapter183
Figure 11-7 Inserting the Hose Duct Adapter183
Thermostat Replacement185
Figure 11-9 Thermostat Cable Connection to Thermostat186
Figure 11-10 Thermostat Rivets (Outside of Hose Duct Adapter)187
Figure 11-11 Thermostat Rivets (Inside of Hose Duct Adapter)188
Figure 11-12 Inserting the Hose Duct Adapter188
Thermostat Cable Replacement190
Figure 11-14 Thermostat Cable Connection to Power PCBA191
Figure 11-15 Thermostat Cable Connection to Thermostat192
Pole Clamp and Mounting Bolt Replacement194
Figure 11-16 Pole Clamps194
Figure 11-17 Pole Clamp Foot and Knob195
Figure 11-18 Pole Clamp Mounting Bolt196
Hose Replacement197
Figure 11-19 Hose197
Figure 11-20 Wire Attaching Hose to Hose Duct Adapter198
Figure 11-21 Inserting Hose Duct Adapter199
Hose Duct Adapter Replacement201
Figure 11-22 Hose Duct Adapter201
Figure 11-23 Thermistor Wire and Rivet202
Figure 11-24 Thermostat Cable Connection to Thermostat203
Figure 11-25 Wire Attaching Hose to Hose Duct Adapter204
Figure 11-26 Thermostat Rivets (Outside of Hose Duct Adapter)205
Figure 11-27 Thermostat Rivets (Inside of Hose Duct Adapter)206
Figure 11-28 Inserting the Hose Duct Adapter207
Figure 11-29 Inserting Thermistor Wire and Rivet208
Fan Assembly Replacement209
Figure 11-30 Fan Assembly209
Figure 11-31 USB Port210
Figure 11-32 Filter Enclosure and Screws211
Figure 11-33 Power PCBA Connections212
Figure 11-34 Fan Assembly Screws213
Figure 11-35 Cable Tie Securing Fan Cable to Thermistor Cable214
Figure 11-36 Position of Fan Assembly215
Figure 11-37 Inserting the Hose Duct Adapter216
Figure 11-38 Securing the Hose Duct Adapter216
Figure 11-39 USB Connector in Rear Enclosure217
Heater Assembly Replacement219
Figure 11-40 Heater Assembly (below Fan Assembly)219
Figure 11-41 USB Port220
Figure 11-42 Filter Enclosure and Screws221
Figure 11-43 Power PCBA Connections222
Figure 11-44 Fan Assembly Screws223
Figure 11-45 Fan Assembly and Hose Duct Adapter224
Figure 11-46 Fan Assembly Pulled for Heater Replacement225
Figure 11-47 Heater Assembly and Gasket226
Figure 11-48 Routing of Heater Wires227
Figure 11-49 Inserting the Hose Duct Adapter228
Figure 11-50 Securing the Hose Duct Adapter228
Figure 11-51 USB Connector in Rear Enclosure229
Figure 11-52 Routing of Cables Around Fan Assembly230
12 Enclosure Replacement233
Overview233
Safety Reminders233
Front Enclosure Replacement234
Figure 12-1 Front Enclosure - Components to be Removed/Reinstalled234
Figure 12-2 Equipotential Stud Connections235
Figure 12-3 AC Power Inlet Connections236
Figure 12-4 Power Supply Connections237
Figure 12-5 Speaker Connections238
Figure 12-6 Power PCBA Connections239
Figure 12-7 UI PCBA Connections240
Figure 12-8 Keypad Cable Secured by Locking Bar241
Filter Enclosure Replacement244
Figure 12-9 Filter Enclosure244
Figure 12-10 Power Cord Wrapped and Secured246
Rear Enclosure Replacement247
Figure 12-11 Rear Enclosure (Outside) - Components to be247
Figure 12-12 Rear Enclosure (Inside) - Components to be248
Figure 12-13 USB Connector and Screws250
Figure 12-14 Filter Enclosure and Power Cord Connection251
Figure 12-15 Power PCBA Connections252
Figure 12-16 Cable Ties to be Removed from Rear Enclosure253
Figure 12-17 Fan Assembly Screws254
Figure 12-18 Heater Assembly and Gasket255
Figure 12-19 Pole Clamps and Mounting Bolts256
Figure 12-20 Serial Number Label257
Figure 12-21 Cable Tie Mount for Thermistor Cable257
Figure 12-22 Position of Heater Cone and Screen258
Figure 12-23 Routing of Heater Wires259
Figure 12-24 Position of Hose Duct Adapter260
Figure 12-25 Inserting the Hose Duct Adapter261
Figure 12-26 Securing the Hose Duct Adapter261
Figure 12-27 USB Connector in Rear Enclosure262
Figure 12-28 Thermistor Cable Secured263
Figure 12-29 Cable Ties and Routing of Cables264
Figure 12-30 Serial Number Label265
13 Product Specifications267
Overview267
Physical Characteristics267
Warming Unit267
Transport Cart (Optional)267
Electrical Requirements268
Environmental Specifications268
Operating268
Shipping and Storage268
Performance Specifications269
Product Compliance269
Electromagnetic Compatibility (EMC)270
Manufacturer's Declaration270
Electromagnetic Emissions270
Electromagnetic Immunity271
14 Packing for Shipment275
Overview275
Returning the Warming Unit to Covidien275
Packing in the Original Carton276
Figure 14-1 Packing in the Original Carton277
Packing in a Different Carton278
A Parts and Accessories279
Overview279
External Components280
Internal Components (Inside Front Enclosure281
Internal Components (Inside Front Enclosure)281
Internal Components (Inside Rear Enclosure283
Internal Components (Inside Rear Enclosure)283
Enclosures284
Miscellaneous Components285
Parts Locator286
Figure A-1 External Components (Front286
Figure A-2 External Components (Back287
Parts Locator287
Figure A-3 External Components (Bottom288
Figure A-4 HEPA Filter (Filter Enclosure Removed288
Figure A-5 Internal Components (Inside Front Enclosure289
Figure A-6 Internal Components (Inside Rear Enclosure290
B Error Codes291
Overview291
Error Codes and Suggested Resolutions292
C Service Test Data Sheet307
Overview307
Index309

Covidien WarmTouch - Figure 3-5 Warming Unit Mounted on IV Pole

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