Teledyne GFC7001T Table 3-13 lists brief descriptions of the warning messages that may occur during start up.

Getting StartedTeledyne API – Model T300/T300M CO Analyzer
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Table 3-13 lists brief descriptions of the warning messages that may occur during start
up.
Table 3-13: Possible Warning Messages at Start-Up
Message MEANING
ANALOG CAL WARNING The instrument's A/D circuitry or one of its analog outputs is not calibrated.
BENCH TEMP WARNING Optical bench temperature is outside the specified limits.
BOX TEMP WARNING The temperature inside the GFC7001T/GFC7001TM chassis is outside the
specified limits.
CANNOT DYN SPAN2 Remote span calibration failed while the dynamic span feature was set to
turned on.
CANNOT DYN ZERO3 Remote zero calibration failed while the dynamic zero feature was set to turned
on.
CONFIG INITIALIZED Configuration was reset to factory defaults or was erased.
DATA INITIALIZED DAS data storage was erased.
PHOTO TEMP WARNING Photometer temperature outside of warning limits specified by
PHOTO_TEMP_SET variable.
REAR BOARD NOT DET Motherboard was not detected during power up.
RELAY BOARD WARN CPU is unable to communicate with the relay PCA.
SAMPLE FLOW WARN The flow rate of the sample gas is outside the specified limits.
SAMPLE PRESS WARN Sample pressure outside of operational parameters.
SAMPLE TEMP WARN The temperature of the sample gas is outside the specified limits.
SOURCE WARNING The IR source may be faulty.
SYSTEM RESET1 The computer was rebooted.
WHEEL TEMP WARNING The Gas Filter Correlation Wheel temperature is outside the specified limits.