Fig. 23 System Led Indicators - Whelen Engineering Company WPS-2900 Series Installation Manual

Fig. 23: System LED Diagnostic Indicators
1
1 Fault (RED) - Normally off. When a
problem has been detected, this LED
will be on.
2
Active - This LED normally flashes at a
rate of once every half seconds. When
a problem has been detected, this LED
will stop flashing or be off. Also indicates
receipt of DTMF data by flashing at a
faster rate for about 1 second.
3 Rotator - This LED is not used with the
WPS-2800 system.
4 Full - Normally on. If a siren amplifier
does not operate properly during a
tone activation or SI TEST®, this LED will be off.
5 Partial - Normally on. If all siren
amplifiers do not operate properly during
a tone activation or SI TEST®
off. If at least one amplifier operates properly,
it will remain on.
3 4 5
2
, this LED will be
NOTE: In some instances, optional
circuit boards may be located directly
above these LED's.
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8 9
6 7
6 DC - Normally on. If no DC voltage was
detected during a siren tone or
this LED will be off.
7
AC - Normally on. If no DC voltage was
detected during a siren tone or
this LED will be off.
8 Squelch - Normally off. This LED will light
when the station is receiving a radio
broadcast. If equipped with the optional
receive tone/squelch tone, the LED will
only light when the receive frequency
and sub-audible tone squelch frequency
tone is detected.
9 PTT - Normally off. This LED will light when
the station transmitter is active.
SI TEST® ,
SI TEST® ,