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GE Giraffe Service Manual
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Girae
®
Incubator
Ser
vice Manual
GE Healthcar
e
T
o reorder this manual, or
der kit:
•
6600-0847-801 (USA)
•
6600-0847-802 (INTL)
Copyright 2001 by Datex-Ohmeda, Inc.
All rights reserved.
6600-0356-000 103
2
Table of Contents
Default Chapter
3
Table of Contents
3
About this Manual
13
Scope and Intended Users
13
Conventions
13
References
14
User Responsibility
14
Important
14
Important Safety Information
17
Warnings
17
Service Language Disclaimer
18
Cautions
25
Symbol Definitions
26
Chapter 1: Functional Description
29
Control Board
29
Figure 1-1 Block Diagram
30
Relay Board
31
Display Driver Board / el Display
32
LED Board
33
Power Supply
33
Peripheral Components
33
Datalink Option
34
Servo Controlled Oxygen Option
35
Humidifier
36
Figure 1-2 Humidifier
36
Chapter 2: Service Checkout
37
Mechanical Checks
37
Controller Checks
38
Humidity Check
39
Servo Controlled Oxygen Check
40
Leak Check
40
Pre-Use Checkout
40
Supply Valve Leak Test
41
Scale Check
42
Mechanical Check
42
Weight Checks
42
Center Weight Check
42
Off Center Weight Check
43
Other Accessory Checks
43
Cable Connections and Mechanical Controls
44
Figure 2-1 Connections and Controls
44
Chapter 3: Calibration and Maintenance
47
Service Maintenance Schedule
47
Figure 3-1 Control Board Test Points
48
Special Tools
49
System Calibration
49
Line Voltage Calibration
50
Humidifier Calibration
50
Servo Controlled Oxygen Calibration
51
Scale Calibration
52
Leakage Current
53
Ground Resistance Check
53
Chapter 4: Troubleshooting
55
Startup Sequence
55
Service Screen
56
Figure 4-1 First Service Screen
56
Figure 4-2 Second Service Screen
57
Figure 4-3 Status Menu
57
Figure 4-4 Switch Diagnostic Diagram
58
Figure 4-5 First Service Screen: Diagnostics
59
Alarm Messages
60
Air Probe Failure" Alarm
60
Air Temp >38C" or "Air Temp >40C" Alarm
60
Baby Hot" or "Baby Cold" Alarm
61
Baby Mode Disabled" Alarm
61
Baby Probe 1 (or 2) Failure" Alarm
61
Bad Membrane Switch" Alarm
61
Bed Heater Failure" Alarm
62
Bed Up/Down Pedal Failure" Alarm
62
Bed Up/Down Pedal Switches Disabled" Alarm
63
Down Pedal Pressed" Alarm
63
Fan Always in High Speed" Alarm
63
Fan Failure" Alarm
63
Humidifier Failure" Alarm
64
Motor Drive Failure" Alarm
65
Power Failure (LED Indicator)
65
Temperature out of Calibration" Alarm
65
Up Pedal Pressed" Alarm
66
Error Codes
66
System Failure 0
66
System Failure 1
67
System Failure 2
67
System Failure 3
67
System Failure 5
68
System Failure 6
68
System Failure 7
68
System Failure 8
68
System Failure 11
69
System Failure 12
69
System Failure 13
69
System Failure 14
69
System Failure 15
70
System Failure 16
71
System Failure 18
71
System Failure 19
72
System Failure 20
72
System Failure 22
72
System Failure 23
73
System Failure 25
73
System Failure 26
74
System Failure 27
74
System Failure 28
74
System Failure 29
74
System Failure 30
75
System Failure 33
75
System Failure 34
75
System Failure 35
76
System Failure 50
76
System Failure 51
76
System Failure 52
76
System Failure 53
76
System Failure 55
77
System Failure 98
77
System Failure 99
77
Troubleshooting Symptoms
77
Additional Troubleshooting Tips
81
Raising and Lowering the Elevating Base
81
Incubator Heaters and Bed Safety Thermostat
81
Power Supplies
82
Switches/Thermostat
82
Humidifier Heater/Safety Thermostat
83
Compartment Air Probe and Patient Probes
83
Incubator Heat Sink Sensor Thermistor
84
Elevating Base Motor
84
Troubleshooting the 50 Pin Ribbon Cable
84
Troubleshooting the Toroidal Transformer
85
Interpreting Serial Numbers
85
Servo Controlled Oxygen
86
Servo Controlled Oxygen Service Screen
86
Figure 4-6 Servo Controlled Oxygen Service Screen
86
Servo Controlled Oxygen Alarm Messages
87
Servo Controlled Oxygen Troubleshooting Tips
91
Check Supply Valves
91
Check Calibration Valve/Calibration Fan
91
Check Cooling Fan
91
Sensor Housing Temperature Sensor Temperature to Resistance Curve
92
Chapter 5: Repair Procedures
93
Hood Removal for Replacement
94
Figure 5-1 Hood
94
Porthole Door Replacement
95
Uprights and End Caps
96
Figure 5-2 Uprights and End Caps
96
Re-Installing the Upright
97
Compartment Probe Repairs
98
Figure 5-3 Compartment Probe
98
Lower Unit Repairs
99
Removing the Chassis Cover with the Storage Drawer in Place
99
Figure 5-4 Chassis Bottom Cover
99
Incubator Fan/Motor/Optical Sensor
100
Figure 5-5 Fan Motor
100
Incubator Heater Replacement
101
To Remove the Heater Closest to the Foot of the Bed
101
Figure 5-6 Heat Sink and Fan
101
To Remove the Heater Closest to the Head of the Bed
102
Elevating Base
103
Figure 5-7 Bed Disassembly
103
Figure 5-8 Elevating Base with Two-Piece Shroud Assembly
104
Figure 5-9 Elevating Base with Three-Piece Shroud Assembly
105
Chassis Replacement
107
Bed Up/Down Pedal Switch
107
Humidifier Assembly Repairs
109
Tips for Repairing the Humidifier Assembly on an Old Style Unit
109
Humidifier Disassembly
110
Figure 5-10 Humidifier Parts
110
Humidifier Reassembly
111
Bed Tilt Brake Pad Replacement
113
Figure 5-11 Replacing the Tilt Brake
113
Caster Replacement
114
Controller and Display Module Procedures
115
Display Module
115
Figure 5-12 Display Module
115
Probe Panel
116
Figure 5-13 Probe Panel
116
Battery
117
Controller Components
118
Figure 5-14 Electronics Enclosure
118
Control Board
119
Power Supply
119
Relay Board
119
Solid State Relay
119
Circuit Breakers, Power Switches, and Power Outlets
120
Toroidal Transformer
120
Servo Controlled Oxygen Service Procedures
121
Installing Oxygen Sensors
121
Figure 5-15 Installing Sensors
121
Replacing the Vent Screen
122
Sensor Housing Repairs
122
Sensor Housing Boards, Calibration Fan Assembly, and Sensor Plug Assembly
122
Figure 5-16 Sensor Housing
122
Calibration Valve
123
Valve Housing Repairs
124
Regulator Assembly
124
Figure 5-17 Valve Housing
124
Supply Valves
125
Servo Oxygen Board Repairs
125
Chapter 6: Illustrated Parts
127
Exploded Views
127
Probe Housing, Display Module, and Electrical Enclosure
128
Figure 6-1 Probe Panel Assembly
129
Figure 6-2 Display Module
131
Figure 6-3 Electrical Enclosure
133
Figure 6-4 Humidifier Transformer and RS232 Option
135
Bed and Side Doors
136
Figure 6-5 Bed
137
Figure 6-6 Side Door (East/West)
139
Figure 6-7 Flip Door, Corner Brackets, and Grommets
141
Hood and Compartment Air Probe
142
Figure 6-8 Compartment Air Probe
143
Chassis
144
Figure 6-9 Upper Chassis and Heat Sink
145
Figure 6-10 Lower Chassis
147
Humidifier
148
Figure 6-11 Humidifier Assembly
149
Elevating Base, Old Designs
150
Figure 6-12 Base and Elevating Column with Two-Piece Shroud Assembly
151
Elevating Base, Current Design
152
Figure 6-13 Base and Elevating Column with Three-Piece Shroud Assembly
153
Hood Latch, Wire Covers, and Uprights
154
Figure 6-14 Hood Latch and Wire Covers
155
Figure 6-15 Uprights and End Caps
157
Servo Control Oxygen
158
Figure 6-16 Servo Control Oxygen Sensor Housing Assembly
159
Figure 6-17 Servo Control Oxygen Valve Housing
161
Figure 6-18 Expansion Chamber/Heatsink Vent
162
Figure 6-19 Servo Control Oxygen Cooling Fan
163
Figure 6-20 Servo Control Oxygen PC Board
164
Accessory Hangers
165
Figure 6-21 Drainage Hangers and DIN Rail
165
Storage Drawer
166
Figure 6-22 Storage Drawer (on Units with Two-Piece Shroud Assembly)
166
Figure 6-23 Storage Drawer (on Units with Three-Piece Shroud Assembly)
167
Figure 6-24 Instrument Shelf (6600-0865-700)
167
Figure 6-25 Monitor Shelf (6600-0824-800)
168
Figure 6-26 E-Cylinder Holder (6600-0836-800)
169
Figure 6-27 Tubing Management Arm (6600-0837-800)
170
Figure 6-28 Dovetail Mount DIN Rail (6600-0659-803)
171
Figure 6-29 Silo Support Assembly (6600-0853-800)
172
Figure 6-30 Rotating I.V. Pole Assembly (6600-0851-800)
173
Figure 6-31 Dovetail Extension (6600-0852-800)
174
Accessories
175
Labels
176
PCB Layouts
180
Figure 6-32 Control Board (6600-0212-850)
180
Figure 6-33 Display Driver Board (6600-0215-850)
181
Figure 6-34 Relay Board (6600-0214-850) Revision Level 10 or Higher
182
Figure 6-35 Relay Board (6600-0214-850) Revision Level 9 or Lower
183
Wiring Diagrams
184
Figure 6-36 Wiring Diagram: Control Board
184
Figure 6-37 Wiring Diagram: Elevating Base
185
Figure 6-38 Wiring Diagram: Electrical Enclosure
186
Figure 6-39 Wiring Diagram: Graphics Display
187
Figure 6-40 Wiring Diagram: Incubator Heater, Relay Board Rev. Level 10 or Higher
188
Figure 6-41 Wiring Diagram: Incubator Heater, Relay Board Rev. Level 9 or Lower
189
Figure 6-42 Wiring Diagram: Incubator Fan and Sensor
190
Figure 6-43 Wiring Diagram: Servo Humidifier, Relay Board Rev. Level 10 or Higher
191
Figure 6-44 Wiring Diagram: Servo Humidifier, Relay Board Rev. Level 9 or Lower
192
Figure 6-45 Wiring Diagram: Servo Control Oxygen
193
Appendix A: Compartment and Skin Probe Characteristics
195
Appendix B: Specifications
197
Power Requirements
197
Accessory Outlets
197
Standards
197
Operating Environment
198
Storage Conditions
198
User Control Settings
198
Alarms
198
Performance
199
System
199
Humidity
199
Servo Control Oxygen
199
Weight Scale
200
Mechanical Specifications
200
Accessories
200
Appendix C: RS-232 Serial Data
201
Connector
201
Data Stream
201
Nurse Call
202
Appendix D: Additional Safety Information
205
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GE Giraffe Specifications
General
Manufacturer
GE Healthcare
Type
Incubator
Humidity Range
30% to 95% RH
Power Supply
50/60 Hz
Model
Giraffe
Features
integrated scale
Control Modes
Air and Skin
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