All Weather Inc 8339, Руководство пользователя

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Model 8339 Ceilometer User’s Manual
7
Externally Visible Ceilometer Status LEDs
A small circuit board is mounted inside the top of the Ceilometer enclosure, and is visible from
outside the unit through the transmitter window. Three LEDs on this board indicate Ceilometer status.
Figure 4 shows their location in the transmitter windows, and Table 1 explains their meaning.
Figure 4. Ceilometer Status LEDs Location
Table 1. Ceilometer Status LEDs Meaning
Name Meaning
SYSTEM STATUS (red) a) ON continuously when Ceilometer is in standby mode with no
failures or warnings
b) OFF when Ceilometer is powered off
c) FAST BLINKING when Ceilometer is outputting laser radiation
d) SLOW BLINKING when a warning or failure condition exists
e) FAST AND SLOW BLINKING together implies a warning level fault
and outputting laser radiation
BATTERY STATUS
(green)
ON when DC power is good
DIRTY WINDOW
WARNING (yellow)
ON when windows need cleaning