
APPENDIX A-3: Warnings and Test Functions, Revision C.3
Model 400E Instruction Manual
APPENDIX A-3: Warnings and Test Functions, Revision C.3
Table A-2: M400E Warning Messages, Revision C.3
NAME MESSAGE
TEXT
DESCRIPTION
WSYSRES SYSTEM
RESET
Instrument was power-cycled or the CPU was reset.
WDATAINIT DATA
INITIALIZED
Data storage was erased.
WCONFIGINIT CONFIG
INITIALIZED
Configuration storage was reset to factory configuration
or erased.
WPHOTOREF
PHOTO REF WARNING
Photometer reference reading less than 2500 mV or
greater than 4999 mV or reference step changes occur
more than 1% of the time.
WO3GENREF
O3 GEN REF WARNING
O3 reference detector drops below 50 mV during
reference feedback O3 generator control.
WO3GENINT
O3 GEN LAMP WARN
O3 concentration below 1000 PPB when O3 lamp drive is
above 4500 mV during O3 generator calibration.
WSAMPPRESS
SAMPLE PRESS WARN
Sample pressure outside of warning limits specified by
SAMP_PRESS_SET variable.
WSAMPFLOW
SAMPLE FLOW WARN
Sample flow outside of warning limits specified by
SAMP_FLOW_SET variable.
WSAMPTEMP
SAMPLE TEMP WARN
Sample temperature outside of warning limits specified
by SAMP_TEMP_SET variable.
WBOXTEMP BOX
TEMP
WARNING
Chassis temperature outside of warning limits specified
by BOX_SET variable.
WO3GENTEMP
O3 GEN TEMP WARN
O3 generator lamp temperature outside of warning limits
specified by O3_GEN_LAMP variable.
WO3SCRUBTEMP
O3 SCRUB TEMP WARN
O3 scrubber temperature outside of warning limits
specified by O3_SCRUB_SET variable.
WPHOTOLTEMP PHOTO
TEMP
WARNING
Photometer lamp temperature outside of warning limits
specified by PHOTO_LAMP variable.
WDYNZERO
CANNOT DYN ZERO
Contact closure zero calibration failed while DYN_ZERO
was set to ON.
WDYNSPAN
CANNOT DYN SPAN
Contact closure span calibration failed while DYN_SPAN
was set to ON.
WREARBOARD
REAR BOARD NOT DET
Rear board was not detected during power up.
WRELAYBOARD
RELAY BOARD WARN
Firmware is unable to communicate with the relay board.
WLAMPDRIVER
LAMP DRIVER WARN
Firmware is unable to communicate with either the O3
generator or photometer lamp I2C driver chip.
WFRONTPANEL
FRONT PANEL WARN
Firmware is unable to communicate with the front panel.
WANALOGCAL
ANALOG CAL WARNING
The A/D or at least one D/A channel has not been
calibrated.
14
0
4402
Rev C.3