Teledyne GFC 7001E User Manual Page 14
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- Table of contents
- TROUBLESHOOTING
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Table of Contents Model GFC7001E Carbon Dioxide Analyzer
Teledyne Analytical Instruments 14
11.5.4.1. Overview .....................................................................................................................................242
11.5.4.2. Signal Synchronization and Demodulation ................................................................................243
11.5.4.3. Sync/Demod Status LED’s .........................................................................................................244
11.5.4.4. Photo-Detector Temperature Control .........................................................................................244
11.5.4.5. Dark Calibration Switch ..............................................................................................................244
11.5.4.6. Electric Test Switch ....................................................................................................................245
11.5.5. Relay Board .......................................................................................................................................245
11.5.5.1. Heater Control ............................................................................................................................245
11.5.5.2. GFC Wheel Motor Control: .........................................................................................................245
11.5.5.3. Zero/Span Valve Options ...........................................................................................................245
11.5.5.4. IR Source ....................................................................................................................................245
11.5.5.5. Status LED’s ...............................................................................................................................246
11.5.5.6. I
2
C Watch Dog Circuitry ..............................................................................................................246
11.5.6. MotherBoard ......................................................................................................................................247
11.5.6.1. A to D Conversion ......................................................................................................................247
11.5.6.2. Sensor Inputs .............................................................................................................................247
11.5.6.3. Thermistor Interface ...................................................................................................................247
11.5.6.4. Analog Outputs ...........................................................................................................................248
11.5.6.5. Internal Digital I/O .......................................................................................................................248
11.5.6.6. External Digital I/O ......................................................................................................................248
11.5.7. I
2
C Data Bus ......................................................................................................................................249
11.5.8. Power Supply/ Circuit Breaker ...........................................................................................................249
11.5.9. Communication Interface ...................................................................................................................251
11.5.10. Front Panel Interface .......................................................................................................................252
11.5.10.1. Analyzer Status LED’s ..............................................................................................................252
11.5.10.2. Keyboard ..................................................................................................................................252
11.5.10.3. Display ......................................................................................................................................253
11.5.10.4. Keyboard/Display Interface Electronics....................................................................................253
11.5.11. Software Operation ..........................................................................................................................256
11.5.12. Adaptive Filter ..................................................................................................................................256
11.5.13. Calibration - Slope and Offset ..........................................................................................................257
11.5.14. Measurement Algorithm ...................................................................................................................257
11.5.15. Temperature and Pressure Compensation ......................................................................................257
11.5.16. Internal Data Acquisition System (iDAS) .........................................................................................257
12. MAINTENANCE SCHEDULE & PROCEDURES .......................................................... 259
12.1. Maintenance Schedule ..............................................................................................................................259
12.2. Predicting Failures Using the Test Functions ...........................................................................................263
12.3. Maintenance Procedures ..........................................................................................................................264
12.3.1. Replacing the Sample Particulate Filter .............................................................................................264
12.3.2. Rebuilding the Sample Pump ............................................................................................................264
12.3.3. Performing Leak Checks ....................................................................................................................265
12.3.3.1. Vacuum Leak Check and Pump Check ......................................................................................265
12.3.3.2. Pressure Leak Check .................................................................................................................265
12.3.4. Performing a Sample Flow Check .....................................................................................................266
12.3.5. Cleaning the Optical Bench ...............................................................................................................266
12.3.6. Cleaning Exterior Surfaces of the GFC 7001E/EM ...........................................................................266
13. TROUBLESHOOTING & REPAIR ................................................................................. 267
13.1. General Troubleshooting ...........................................................................................................................267
13.1.1. Fault Diagnosis with WARNING Messages .......................................................................................268
13.1.2. Fault Diagnosis with TEST Functions ................................................................................................270
13.1.3. DIAG SIGNAL I/O: Using the Diagnostic Signal I/O Function ......................................................273
13.1.4. Internal Electronic Status LED’s ........................................................................................................274
13.1.4.1. CPU Status Indicator ..................................................................................................................274
13.1.4.2. Sync Demodulator Status LED’s ................................................................................................275
13.1.4.3. Relay Board Status LED’s ..........................................................................................................276
13.2. Gas Flow Problems ...................................................................................................................................278
13.2.1. GFC 7001E/EM Internal Gas Flow Diagrams ....................................................................................278
- MODEL GFC 7001E FAMILY 1
- CARBON MONOXIDE ANALYZERS 1
- SAFETY MESSAGES 3
- WARRANTY 5
- ABOUT THIS MANUAL 7
- TABLE OF CONTENTS 9
- ...................257 14
- LIST OF APPENDICES 16
- LIST OF FIGURES 16
- LIST OF TABLES 18
- PART I 21
- GENERAL INFORMATION 21
- INTRODUCTION 23
- 1.2.1. USING THIS MANUAL 25
- SPECIFICATIONS AND APPROVALS 27
- 2.3. TUV DESIGNATION 29
- 2.4. CE MARK COMPLIANCE 29
- GETTING STARTED 31
- ENERAL SAFETY HAZARD 36
- LECTRICAL SHOCK HAZARD 36
- Back of the instrument 37
- Sides of the instrument 37
- 3.3. ELECTRICAL CONNECTIONS 38
- A1 39
- 2 A3 A4 39
- 3.4. PNEUMATIC CONNECTIONS 42
- 3.4.1.2. Span Gas 43
- 3.4.2.1. Sample Gas Source 45
- 3.5. INITIAL OPERATION 46
- 3.5.1. STARTUP 47
- 3.5.2. WARM UP 48
- 3.5.3. WARNING MESSAGES 48
- 3.5.4. FUNCTIONAL CHECK 50
- 3.6.1. INTERFERENTS FOR CO 51
- MEASUREMENTS 51
- ANALYZERS WITHOUT OPTIONS 51
- 3.6.3. O 56
- 3.6.4. CO 56
- FREQUENTLY ASKED QUESTIONS 57
- 4.2. GLOSSARY 58
- VOLTAGE OUTPUTS 63
- 5.6.1.1. Gas Flow Rate 64
- 5.6.1.2. Valve Control 64
- 5.6.2.3. Input Gas Venting 66
- 5.6.2.4. Exhaust Outlet 66
- (OPTION 50E) 71
- 5.7. COMMUNICATION OPTIONS 73
- 5.7.3. ETHERNET (OPTION 63A) 74
- 5.8. SECOND GAS SENSORS 75
- Sensor 76
- 5.9.1. CO 77
- 5.9.2. THEORY OF OPERATION 77
- 5.11. SPECIAL FEATURES 82
- PART II 83
- OPERATING INSTRUCTIONS 83
- BASIC OPERATION 85
- 6.2. SAMPLE MODE 86
- 6.3. WARNING MESSAGES 88
- 6.4. CALIBRATION MODE 89
- 6.5. SETUP MODE 90
- INTERNAL CLOCK 95
- NALOG OUT 98
- 6.6.3. REPORTING RANGE MODES 99
- OF MEASURE 105
- FEATURE 106
- ADVANCED FEATURES 107
- 7.1.2. IDAS STRUCTURE 108
- RECORDS 111
- accepts the 126
- In all cases: 126
- discards the new 126
- FUNCTIONS 127
- OUTPUTS 129
- +DC Gnd 137
- CAUTION 139
- GENERAL SAFETY HAZARD 139
- GFC Wheel temperature 144
- 7.4.7. AIN CALIBRATION 146
- CONCENTRATION ALARMS 147
- REMOTE OPERATION 149
- Male DB-9 (RS-232) 150
- Female DB-9 (COM2) 150
- 8.1.3. COMM PORT BAUD RATE 151
- 8.1.5. COMM PORT TESTING 154
- 8.1.6. MACHINE ID 155
- 8.1.7.2. Command Syntax 157
- 8.1.7.3. Data Types 157
- 8.1.7.4. Status Reporting 158
- LED FUNCTION 164
- 8.5. MODBUS SETUP 171
- NETWORK 175
- CALIBRATION PROCEDURES 185
- 9.1. BEFORE CALIBRATION 186
- 9.1.2.2. Span Gas 187
- 9.1.2.3. Traceability 187
- CONFIGURATION 188
- INSTALLED 195
- Toggle keys to set 201
- Day, Month & Year: 201
- Format : DD-MON-YY 201
- Sequence Delta Time 203
- 9.5. CO CALIBRATION QUALITY 204
- Offset for CO REF signal 205
- Offset for CO MEAS signal 205
- 9.6.2. PRESSURE CALIBRATION 206
- 9.6.3. FLOW CALIBRATION 207
- 9.7.1. O 209
- 9.7.1.2. Set O 210
- Span Gas Concentration 210
- 9.7.1.3. Activate O 211
- Sensor Stability Function 211
- 9.7.1.4. O 212
- ZERO/SPAN CALIBRATION 212
- 9.7.2. CO 213
- 9.7.2.3. Activate CO 214
- 9.7.2.4. CO 215
- Zero/Span Calibration 215
- EPA CALIBRATION PROTOCOL 217
- 10.2. ZERO AND SPAN CHECKS 221
- 10.2.2. PRECISION CHECK 222
- 10.4. AUDITING PROCEDURE 223
- 10.5.1. LINEARITY TEST 224
- 10.6. REFERENCES 226
- PART III 227
- TECHNICAL INFORMATION 227
- THEORY OF OPERATION 229
- Measurement Cell 230
- Reference Cell 230
- CO MEAS 232
- 11.3. PNEUMATIC OPERATION 234
- 11.4. FLOW RATE CONTROL 235
- 11.4.2. PARTICULATE FILTER 236
- 11.4.3. PNEUMATIC SENSORS 236
- 11.5. ELECTRONIC OPERATION 237
- PC 104 Bus 238
- 11.5.3.2. IR Source 240
- 11.5.3.3. GFC Wheel 240
- Reference 241
- Measurement 241
- 11.5.3.4. IR Photo-Detector 242
- 11.5.4.1. Overview 242
- Detector 244
- 11.5.5. RELAY BOARD 245
- STATUS LED’s 246
- DC VOLTAGE TEST 246
- RELAY PCA 246
- PN 04135 246
- 11.5.6. MOTHERBOARD 247
- 11.5.6.4. Analog Outputs 248
- 11.5.10.2. Keyboard 252
- 11.5.10.3. Display 253
- 11.5.12. ADAPTIVE FILTER 256
- 11.5.11. SOFTWARE OPERATION 256
- 12.1. MAINTENANCE SCHEDULE 259
- AFTER WARM 262
- 12.3. MAINTENANCE PROCEDURES 264
- TROUBLESHOOTING & REPAIR 267
- (As Displayed) 271
- FUNCTION 273
- Motherboard 274
- P/N 04069 274
- D1 – M/R Sensor Status 275
- D2 – Segment Sensor Status 275
- JP4 Connector to Opto-Pickup 275
- 13.2. GAS FLOW PROBLEMS 278
- 13.2.2.1. Flow is Zero 282
- 13.2.2.2. Low Flow 282
- 13.2.2.3. High Flow 282
- 13.3. CALIBRATION PROBLEMS 283
- ELECTRICAL SHOCK HAZARD 285
- 13.4.2. EXCESSIVE NOISE 287
- 13.5. SUBSYSTEM CHECKOUT 288
- 13.5.3. I 289
- 13.5.5. RELAY BOARD 290
- 13.5.6. SENSOR ASSEMBLY 291
- 13.5.6.4. GFC Wheel Drive 292
- 13.5.6.5. IR Source 292
- (see Section 7.4.2) 294
- 13.5.7.4. Status Outputs 296
- 13.5.8. CPU 297
- 13.5.10. THE OPTIONAL CO 298
- SENSOR 298
- 13.6. REPAIR PROCEDURES 299
- SAFETY SHIELD 300
- SYNCHRONOUS MOTOR 300
- SOURCE ASSEMBLY 300
- THERMISTOR 300
- Opto-Pickup 301
- GFC WHEEL HOUSING 301
- GAIN (CO MEAS) 302
- Adjustment Made Here 303
- 13.7. TECHNICAL ASSISTANCE 304
- 14.4.1. GENERAL RULES 307
- MAINTENANCE 309
- Reporting Range, 52, 90 313
- Relay Board 317
- CANNOT DYN SPAN 319
- CANNOT DYN ZERO 319
- SYSTEM RESET 319
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