K-Patents PR-33-S - Manual (Page 33)

7 Troubleshooting 29
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7.2.7 Concentration drift during NORMAL OPERATION
For drift upward or downwards to zero, suspect prism coating and clean the prism.
7.3 Diagnostic messages table
Important: The messages are listed in descending order of priority. Example: If both
NO OPTICAL IMAGE and TEMP MEASUREMENT FAULT are activated, only NO OPTICAL IMAGE will be
shown.
Message Section
OUTSIDE LIGHT ERROR 7.2.1
NO OPTICAL IMAGE 7.2.2
TEMP MEASUREMENT FAULT 7.2.6
HIGH SENSOR HUMIDITY 7.1.1
HIGH SENSOR TEMP 7.1.2
NO SAMPLE 7.2.5
PRISM COATED 7.2.3
OUTSIDE LIGHT TO PRISM 7.2.1
LOW IMAGE QUALITY 7.2.4
NORMAL OPERATION