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Corometrics 250 Series
GE Corometrics 250 Series User Manual
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Revision D
250 Series Maternal/Fe
tal Monitor
4-25
2020551-001
Maintenance:
MECG Test
14.
Set the simu
lator’s
ECG Mode
switch to the
Of
f
position.
MECG Ramp
MECG Oscillation
?
15
22
27
104
106
Table of Contents
Table of Contents
7
Introduction
15
Revision History
15
Safety Information
17
Responsibility of the Manufacturer
17
Responsibility of the User
17
References to Persons, Places, and Institutions
17
Hazard Definitions
18
Product Specific Hazards
19
Cautions
22
Electromagnetic Interference
23
Equipment Symbols
24
Service Requirements
25
Equipment ID
25
Intended Audience
25
Intended Use
26
Related Manuals
27
Equipment Overview
29
Equipment Description
31
Front Panel Description
32
Front Panel Displays
35
Display Example
36
Setup Screens
36
Softkeys
36
Mode Title Softkeys
36
Waveform Softkeys
37
Dedicated Softkey Area
37
Rear Panel Description
40
Optional Components
42
Software Upgrades
42
Adding Spectra Alerts
42
Adding Fetal Movement Detection
42
Peripheral Components
42
Nellcor® Puritan Bennett Model N-200 Maternal Pulse Oximeter
42
Nellcor Puritan Bennett Model N-400 Fetal Pulse Oximeter
43
DINAMAP® Models PRO Series 100-400 and Procare
43
Quantitative Sentinel/Perinatal System
44
Theory of Operation
46
Systems Overview
46
Installation
55
Tools Required
57
Connections
57
Fetal Acoustic Stimulator
57
Remote Marks Connector
57
ECG out Connector
57
J101 Connector (Model 340 Telemetry System Interface)
58
J109, J110, and J111 Connectors (RS-232C)
59
Power
60
Self-Test Routine
61
Battery-Backed RAM Status
62
Setup
63
Loading Strip Chart Recorder Paper
63
Mounting a Strain Gauge
66
Setup Screens
66
Service Mode Screens
66
Service Lock Screen
67
Install Options Screens
68
Printing System Setup Information
74
Communications Setup Screen
75
Baudrate
75
Mode
75
Configuration Switches
76
Factory Defaults
77
Maintenance
81
Maintenance Schedule
83
Visual Inspection
84
Cleaning
85
Monitor Exterior
85
Display
86
Tocotransducer and Ultrasound Transducer
86
Leg Plates and MECG Cables
86
Maternal NIBP Cuffs and Hoses
87
Periodic Thermal Printhead Cleaning
88
Cleaning the UA Strain Gauge
88
Disposal of Product Waste
89
Patient Applied Parts
89
Packaging Material
90
Monitor
90
Electrical Safety Tests
90
Initial Conditions
90
AC Line
90
Ground Impedance
90
Unit to Primary Leakage
90
Patient-To-Ground Leakage for ECG
91
Patient-To-Line Leakage for ECG
92
Patient-To-Ground Leakage for IUP
92
Patient-To-Line Leakage for IUP
93
Patient-To-Ground Leakage for Mspo
93
Patient-To-Line Leakage for Mspo
94
Patient-To-Ground Leakage for US
94
Patient-To-Line Leakage for US
95
Patient-To-Ground Leakage for US2
95
Patient-To-Line Leakage for US2
96
Ground Continuity
96
Dielectric (Hi-Pot) Tests
96
Checkout
99
General
99
Equipment Required
100
Self-Test Routine
100
Front Panel Button Test
102
Connecting the Simulator
102
MECG Test
103
FECG Test
106
Ultrasound Test
109
Fetal Movement Detection Test
111
Ultrasound Transducer Test
112
Uterine Activity Test
113
Testing the Tocotransducers
115
Strain Gauge Transducer Test
116
Pattern Memory Test
117
Dual Heart Rate Test (Non-Pattern)
118
FECG/US Modes
118
Dual Ultrasound Modes
119
Alarm Test
120
Mspo Test
122
NIBP Calibration and Testing
123
Purpose
123
Required Hardware
123
General Calibration Sequence
123
Calibration Verification
124
Calibrate Transducers
124
Overpressure Detection
125
System Leakage
125
Display Check
125
Checking a Display
126
Verifying the DSP Board Operation
126
Maternal Spo Calibration
127
Hardware Switches
127
Main Board SW1 Switch Settings
128
J102 Analog Output Connector DAC Static Test
128
Verification
129
RS-232C Connector Loopback Test
131
Making a Loopback Test Connector
131
Testing the Port(S)
131
Calibration
132
Before You Begin Electronic Calibration
133
General
133
Handling Precautions
133
Power Supply Voltages-Verification
133
Main Board Power Supply Voltages
133
Isolated Power Supply Board Voltages
134
Isolated FECG/UA Board Voltages
134
Recorder Photosensor Calibration
135
Adjusting the Paper-Low Photosensor
135
Adjusting the Paper-Out Photosensor
135
Adjusting the Paper-Loading Sensor
136
Repair Log
137
Preventative Maintenance Inspection Report
138
Configuration
138
Tools Required
138
Visual Inspection
138
Comments
141
Troubleshooting
143
Diagnostic Tests
145
Main Motherboard and DSP Board Self-Test
145
Monitor Self-Test
145
Error Log Screen
145
Diagnostic Control Screen
147
Recorder Calibration Test
148
CPU Version
148
DSP Version
148
Run Time
149
Recorder Time
149
Recorder Servicing
149
Faqs
158
System Troubleshooting
179
General Troubleshooting
188
Ultrasound Troubleshooting
189
FECG Troubleshooting
189
External Uterine Activity Troubleshooting
190
Internal UA Troubleshooting
191
MECG Troubleshooting
191
Blood Pressure Troubleshooting
192
Maternal Pulse Oximetry Troubleshooting
193
Parts List, Drawings, and Replacement
195
Ordering Parts
197
Service Parts
197
Field-Replaceable Units (Frus)
198
FRU List
198
FRU Main Reference Guide Drawing
200
Assembly/Disassembly of Frus
202
2025177-003 Speaker
202
2025177-004 Main Board
202
2025177-005 DSP Board
203
2025177-006 Main Power Supply
203
2025177-007 Dual Ultrasound Board
204
2025177-008 FECG/UA Board
205
2025177-009 Isolated Power Supply Board
205
2025177-010 Spo2 Carrier Board with Nellcor Mspo2 Module
206
2025177-011 Spo2 Carrier Board with Masimo Mspo2 Module
206
2025177-012 Spo2 Carrier Board with Trusignal Mspo2 Module
207
2025177-013 Front-End Motherboard
208
2025177-014 Chassis
209
2025177-016 COMM Board
212
2025177-017 Recorder Assembly
212
2025177-018 Recorder Board
213
2025177-019 Cables
215
2025177-020 Pneumatics Assembly
216
2025177-021 Display Assembly
217
2025177-022 Front Bezel
217
2025177-023 Keypads
220
2025177-026 Trim Knob and Encoder
221
2025177-027 Power Switch Assembly
222
2025177-028 Main Power Supply
222
2025177-029 MECG Board
224
2025177-031 Top Cover Gasket
224
Technical Specifications
228
General Monitor
229
Operating Modes
230
Strip Chart Recorder
237
Alarms Summary
240
Electromagnetic Compatibility
245
Guidance and Manufacturer's Declaration - Electromagnetic Emissions
245
Guidance and Manufacturer's Declaration - Electromagnetic Immunity
246
Recommended Separation Distances
248
Compliant Cables and Accessories
249
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GE Corometrics 250 Series Specifications
General
Brand
GE
Model
Corometrics 250 Series
Category
Medical Equipment
Language
English
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