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Model 400E Ozone Analyzer
Instruction Manual
Operating Instructions
P/N 04316 Rev: B
57
6.2.1.
Warning Message Display
The most common and serious instrument failures will activate Warning Messages
that are displayed on the analyzer’s Front Panel. These are:
Message
Meaning
ANALOG OUTPUT WARN
CPU is unable to communicate with one of the Analog
Outputs.
BOX TEMP WARNING
The temperature inside the M400E chassis is outside
the specified limits.
CONFIG INITIALIZED
Configuration storage was reset to factory configuration
or erased.
DATA INITIALIZED
iDAS data storage was erased.
FRONT PANEL WARN
CPU is unable to communicate with the front panel.
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 board.
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 s ample gas is outside the
specified limits.
SYSTEM RESET
The computer has rebooted.
O3 GEN LAMP WARN
The UV Lamp or Detector in the izs module may be
faulty or out of adjustment.
O3 GEN REF WARNING
The UV Lamp or Detector in the izs module may be
faulty or out of adjustment.
O3 GEN TEMP WARN
The UV Lamp Heater or Temperature Sensor in the izs
module may be faulty.
O3 SCRUB TEMP WARN
The Heater or Temperature Sensor of the O
3
Scrubber
may be faulty.
See Section 11.1.1 for more information on using these messages to troubleshoot
problems.