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Teledyne API - Model T300/T300M CO Analyzer
10.3. Precisions Calibration ..............................................................................................................................237
10.3.1. Precision Calibration Procedures ......................................................................................................237
10.4. Auditing Procedure ..................................................................................................................................237
10.4.1. Calibration Audit .................................................................................................................................237
10.4.2. Data Reduction Audit .........................................................................................................................238
10.4.3. System Audit/Validation .....................................................................................................................238
10.5. Dynamic Multipoint Calibration Procedure ..............................................................................................238
10.5.1. Linearity test .......................................................................................................................................238
10.6. References ..............................................................................................................................................240
PART III TECHNICAL INFORMATION ................................................................................ 241
11. MAINTENANCE SCHEDULE & PROCEDURES ............................................................ 245
11.1. Maintenance Schedule ............................................................................................................................245
11.2. Predicting Failures Using the Test Functions ..........................................................................................249
11.3. Maintenance Procedures .........................................................................................................................250
11.3.1. Replacing the Sample Particulate Filter .............................................................................................250
11.3.2. Rebuilding the Sample Pump ............................................................................................................251
11.3.3. Performing Leak Checks ....................................................................................................................251
11.3.3.1. Vacuum Leak Check and Pump Check......................................................................................251
11.3.3.2. Pressure Leak Check .................................................................................................................251
11.3.4. Performing a Sample Flow Check .....................................................................................................252
11.3.5. Cleaning the Optical Bench ...............................................................................................................252
11.3.6. Cleaning Exterior Surfaces of the T300/T300M ................................................................................252
12. TROUBLESHOOTING AND SERVICE ........................................................................... 253
12.1. General Troubleshooting .........................................................................................................................253
12.1.1. Fault Diagnosis with WARNING Messages .......................................................................................254
12.1.2. Fault Diagnosis with TEST Functions ................................................................................................258
12.1.3. the Diagnostic Signal I/O Function ....................................................................................................261
12.1.4. Status LEDs .......................................................................................................................................263
12.1.4.1. Motherboard Status Indicator (Watchdog) .................................................................................263
12.1.4.2. Sync Demodulator Status LEDs .................................................................................................264
12.1.4.3. Relay Board Status LEDs ...........................................................................................................265
12.2. Gas Flow Problems .................................................................................................................................267
12.2.1. T300/T300M Internal Gas Flow Diagrams .........................................................................................268
12.2.2. Typical Sample Gas Flow Problems ..................................................................................................271
12.2.2.1. Flow is Zero ................................................................................................................................271
12.2.2.2. Low Flow ....................................................................................................................................272
12.2.2.3. High Flow ....................................................................................................................................272
12.2.2.5. Actual Flow Does Not Match Displayed Flow ............................................................................273
12.2.2.6. Sample Pump .............................................................................................................................273
12.3. Calibration Problems ...............................................................................................................................273
12.3.1. Miscalibrated ......................................................................................................................................273
12.3.2. Non-Repeatable Zero and Span ........................................................................................................274
12.3.3. Inability to Span - No SPAN Button (CALS)......................................................................................274
12.3.4. Inability to Zero - No ZERO Button (CALZ).......................................................................................274
12.4. Other Performance Problems ..................................................................................................................275
12.4.1. Temperature Problems ......................................................................................................................275
12.4.1.1. Box or Sample Temperature ......................................................................................................275
12.4.1.2. Bench Temperature ....................................................................................................................275
12.4.1.3. GFC Wheel Temperature ...........................................................................................................276
12.4.1.4. IR Photo-Detector TEC Temperature .........................................................................................277
12.4.2. Excessive Noise .................................................................................................................................277
12.5. Subsystem Checkout ...............................................................................................................................278
12.5.1. AC Mains Configuration .....................................................................................................................278
12.5.2. DC Power Supply ...............................................................................................................................279
06864B DCN6314
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Table of Contents
Troubleshooting
