0 - Unable to activate Serial Port - check and cycle power 1 - All Tests Passed 2 - System Failed to Complete Calibration 3 - System Failed to Complete PMT Calibration 4 - System Failed to Complete Normalization 5 - System Failed to Restart properly after calibration 6 - Rayleigh Peak Out of Range (350 +/- 2) 7 - Raman Peak Out of Range (397 +/- 2) 8 - Optical Resolution Out of Range (>39%) 9 - Stray Light Ratio too low (<.75%) 10 - S/N Ratio too low (<1000) 11 - Empty 12 - Empty 13 - Empty 14 - Empty 15 - Empty 16 - Empty 17 - Empty 18 - Empty 19 - Empty 20 - Empty 21 - Empty 22 - Empty 23 - Empty 24 - Empty 25 - Empty 26 - Empty 27 - Empty 28 - Empty 29- Empty 30 - Empty 31 - Empty 32 - Empty 33 - Empty 34 - Empty 35 - A Serial Number Must Be Entered 36 - Initialization Aborted 37 - Serial Number Scanned Does Not Match Stored Value