- Certificate path length constraint is invalid.
- Path length is not an issue on Windows XP or Windows 2003 Server.
- A path length constraint in the certification chain has been violated.
- The absorbance diided by the path length in centimeters is not more than 0.04.
- The photoacoustic cell was filled with pure CO instead of gas sample.Fire gases were measured in an absorption path set between the IR source and the cell.