Symbol
LED colour
Way of lighting up
Meaning
Red
Flashes
Signalling unit has been turned off or is in
test mode
Continuously on
Signalling unit is in operation
Continuously off
Signalling unit has no power supply or is not
in operation
Green
Flashes
Signalling unit is in battery-test mode
Red
Continuously on
Signalling situation
Red
Continuously on
Battery is malfunctioning
Red
Continuously on
One or more phases have been interrupted
(phase signalling)
Red
Continuously on
The audio or visual signal and the telephone
dialler output are temporarily inactive (+/- 15
min.). (After pressing the
reset
button)
Yellow
Continuously on
Telephone dialler output is inactive
Yellow
Continuously on
The audio or visual signal is inactive
If none of the LEDs is on continuously or flashing, then the signalling unit is not in operation. In
this case, check to see whether the signalling unit is connected correctly and whether the power
supply / battery are OK.
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