User's Manual
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 SPAN
2
Contact closure span calibration failed while DYN_SPAN was set to ON.
CANNOT DYN ZERO
3
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 I
2
C UV Lamp Drivers.
LAMP STABIL WARN
Photometer lamp reference step-changes occur more than 25% of the time.
O
3
GEN LAMP WARN
4
The UV Lamp or Detector in the IZS module may be faulty or out of adjustment.
O
3
GEN REF WARNING
4
The UV Lamp or Detector in the IZS module may be faulty or out of adjustment.
O
3
GEN TEMP WARN
4
The UV Lamp Heater or Temperature Sensor in the IZS module may be faulty.
O
3
SCRUB TEMP WARN
5
The Heater or Temperature Sensor of the O
3
Scrubber may be faulty.
PHOTO REF WARNING
The O
3
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 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
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 RESET
1
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 O
3
scrubber is installed.
See Section 13.1.1 for more information on using these messages to troubleshoot problems.
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