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ABB PGC2000 - Page 8

ABB PGC2000
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vi 2000-OSM, F1
TABLE OF CONTENTS (continued)
Title Page
Cleaning ............................................................................................................................................... 5-2
DIAGNOSTIC TESTS ................................................................................................................................ 5-2
ROM Checksum ......................................................................................................................................... 5-2
Chroma Board ..................................................................................................................................... 5-4
Digital Output ....................................................................................................................................... 5-4
Trend Output ........................................................................................................................................ 5-6
Hardware Setup ................................................................................................................................... 5-7
SOFTWARE VERIFICATION..................................................................................................................... 5-8
Preliminary Steps................................................................................................................................. 5-8
Chroma Board 1 Input Table ............................................................................................................... 5-9
Chroma Board 1 Output Table ............................................................................................................ 5-9
Digital Board 1 Input Table ................................................................................................................ 5-10
Digital Board 1 Output Table ............................................................................................................. 5-11
Digital Board 2 ................................................................................................................................... 5-12
Chroma Board 2 ................................................................................................................................ 5-12
Trend and Detector ............................................................................................................................ 5-13
BASIC COMMON! Size ..................................................................................................................... 5-13
Final Steps ......................................................................................................................................... 5-13
SECTION 6. TROUBLESHOOTING
TROUBLESHOOTING GUIDELINES ........................................................................................................ 6-1
BASELINE PROBLEMS ............................................................................................................................. 6-1
Baseline or Signal Offset (TCD) .......................................................................................................... 6-1
Cyclic Short Term Drift ........................................................................................................................ 6-2
Continuous Upward or Downward Drift ............................................................................................... 6-2
Baseline Continuous Noise ................................................................................................................. 6-3
Baseline or Signal Offset (FID) ............................................................................................................ 6-3
Baseline Signal Random Noise (FID) .................................................................................................. 6-4
Signal Offset (FPD).............................................................................................................................. 6-5
Signal Random Baseline Noise (FPD) ................................................................................................ 6-5
ANALYSIS PROBLEMS ............................................................................................................................. 6-6
No Peaks ............................................................................................................................................. 6-6
Double Sampling ................................................................................................................................. 6-7
Additional Peaks of Unknown Origin (Mystery Peaks) ........................................................................ 6-8
Variable Sample Size .......................................................................................................................... 6-8
Variable Retention Times .................................................................................................................... 6-9
Individual Peak Missing on Report ...................................................................................................... 6-9
Peak Inversion ................................................................................................................................... 6-10
Chromatogram Oversized or Off Scale ............................................................................................. 6-10
Reduced Detector Sensitivity ............................................................................................................ 6-11
Peak Discrimination ........................................................................................................................... 6-12
TEMPERATURE CONTROL HARDWARE PROBLEMS ........................................................................ 6-12
Temperature Probe Open .................................................................................................................. 6-12
Temperature Probe Shorted .............................................................................................................. 6-12
Isothermal Oven Heater Thermocouple Faulty ................................................................................. 6-13
Temperature Control Micro #2 ........................................................................................................... 6-13
Loss of Air .......................................................................................................................................... 6-14
Triac Failure ....................................................................................................................................... 6-14
T-Rating Disagreement ..................................................................................................................... 6-15
Exclusion Jumper Disagreement ....................................................................................................... 6-16

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