Teledyne t320, t320u - page 17

Teledyne API – Model T300/T300M CO Analyzer Table of Contents
xv
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
12.2.2.4. Displayed Flow = “Warnings” .................................................................................................... 273
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