USER'S GUIDE ____________________________________________________________________
114 __________________________________________________________________ M211187EN-C
the interface unit, the interface unit CPU
board has to be replaced.
internal power supply failure"
Interface unit CPU internal power failure.
If the failure persists after power-resets of
the interface unit, the interface unit CPU
board has to be replaced.
Table 18 Background Luminance Detector Sensor Event
Messages
BL1:Background Luminance
Underrange
Measured luminance is greater than upper
measurement range limit.
BL2:Background Luminance
Overrange
Measured luminance is less than lower
measurement range limit.
Cal1:Calibration Procedure
Ongoing
Background luminance sensor calibration
procedure is ongoing.
Cal8:Calibration Not Valid
Background luminance sensor calibration
procedure failed.
WinCon1:Window Contamination
Warning
Background luminance sensor windows
contaminated.
WinCon2:Window Contamination
Alarm
Background luminance sensor windows
contaminated.
WinCon4:Window Clogging
Alarm
Background luminance sensor windows
are clogged.
Background luminance sensor dew heater
failure
Misc2:Hood Heater Failure
Background luminance sensor hood heater
failure
Background luminance sensor CPU
memory failure.
If the failure persists after power-resets of
the background luminance sensor, the
background luminance sensor has to be
Misc8:Sensor Sensitivity Failure
Background luminance sensor receiver
failure
WinMeas1:Backscatter High
Background luminance sensor backscatter
signal is very high.
WinMeas2:Backscatter
Measurement Failure
Background luminance sensor backscatter
measurement failure
WinMeas4:Total Reflection
Measurement Failure
Background luminance sensor total
reflection measurement failure
The long status message with numerical internal monitoring
measurement values is requested with command STATUS as follows:
>STATUS
FS11 SYSTEM STATUS: OK
Measurement unit: OK
Receiver:
Window cont: 0 backscatter: 35
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