Basic Operation of the M400E Analyzer M400E Ozone Analyzer Operator’s Manual

Table 6-3: Warning Messages Defined

MESSAGE MEANING
ANALOG CAL WARNING The A/D or at least one D/A channel has not been calibrated.
BOX TEMP WARNING The temperature inside the M400E chassis is outside the specified limits.
CANNOT DYN SPAN2 Contact closure span calibration failed while DYN_SPAN was set to ON.
CANNOT DYN ZERO3 Contact closure zero calibration failed while DYN_ZERO was set to ON.
CONFIG INITIALIZED Configuration storage was reset to factory configuration or erased.
DATA INITIALIZED iDAS data storage was erased before the last power up occurred.
FRONT PANEL WARN CPU is unable to communicate with the front panel.
LAMP DRIVER WARN CPU is unable to communicate with one of the I2C UV Lamp Drivers.
LAMP STABIL WARN Photometer lamp reference step-changes occur more than 25% of the time.
O3 GEN LAMP WARN4 The UV Lamp or Detector in the IZS module may be faulty or out of adjustment.
O3 GEN REF WARNING4 The UV Lamp or Detector in the IZS module may be faulty or out of adjustment.
O3 GEN TEMP WARN4 The UV Lamp Heater or Temperature Sensor in the IZS module may be faulty.
O3 SCRUB TEMP WARN5 The Heater or Temperature Sensor of the O3 Scrubber may be faulty.
PHOTO REF WARNING The O3 Reference value is outside of specified limits.
PHOTO TEMP WARNING The UV Lamp Temperature is outside of specified limits.
REAR BOARD NOT DET Motherboard was not detected during po wer 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 The pressure of the sample gas is outside the specified limits.
SAMPLE TEMP WARN The temperature of the sample gas is outside the specified limits.
SYSTEM RESET1 The computer has rebooted.
1 Clears 45 minutes after power up.
2 Clears the next time successful zero calibration is performed.
3 Clears the next time successful span calibration is performed.
4 Only Appears if the IZS option is installed.
5 Only appears if the optional metal wool O3 scrubber is installed.

See Section 13.1.1 for more information on using these messages to troubleshoot problems.

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