Thermo Scientific MIRAN 205B Series Instruction Manual page 48

Chapter 5 Analysis
Flag Screens
In the analysis mode, the SapphIRe analyzer displays flag screens if other problems
occur. Acknowledgment is not required for flag screens. A summary of active flags and
corrective action recommendations can be viewed by pressing the "0" key from the
Analysis Menu.
Light source unstable or invalid
Pathlength unstable or wrong setting
Light chopper unstable or failed
Optical filter unstable or failed
Detector unstable or not ready
Electronic Gain unstable or invalid
A/D converter processing error
Digital signal processing error
Internal spectrometer related error
Detector signal is below A/D converter range
Detector signal is above A/D converter range
High range of calibration exceeded
Software variable range exceeded
Error during concentration calculation
Measurement using an invalid zero
Zero and measurement gains bad or inconsistent Rezero analyzer.
Ref wavelength intensity invalid
Ref wavelength intensity drift too large
Ref drift from factory value too large
Zero intensity levels out of nominal range
Measurement made before purge complete
Undefined
Table 4-5. Flag Messages
Flag
5-8
Corrective Action Recommendation
Make sure warm-up is complete.
Check pathlength position.
Service may be required.
Service may be required.
Make sure warm-up is complete.
May need to zero analyzer.
Try again and notify service.
Try again and notify service.
Notify service.
May need to zero analyzer.
May need to zero analyzer.
Change application or recalibrate.
Try again and notify service.
Try again and notify service.
Rezero analyzer.
Notify service.
Rezero analyzer.
Seek service.
Try rezero, may need service.
Wait for purge to complete.
Notify service.