Operating Instructions
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Siemens Synco™ living CE1B2740en
Building Technologies Service 13.12.2010
In that case, the central apartment unit switches from the quiescent picture to
info page “Device state“ to show the device with the exhausted batteries (pro-
vided there is no more severe fault). After a certain period of time, the display
returns to the quiescent picture and displays error symbol
.
The result of automatic battery monitoring is not displayed on the battery-
powered devices, with the exception of room unit, handheld control, door/win-
dow contact and smoke detector .
Room unit QAW910
The room unit indicates when its batteries are close to empty.
The symbol for empty is constantly
displayed if the batteries are empty in
about 3 months.
AFK914/C01 handheld control
The LED on the handheld control indicates a required battery change. All ac-
tion patterns turn yellow rather than the standard blue.
Door/window contact wave AP 260
The LED briefly blinks every 10 seconds if batteries must be replaced.
DELTA reflex smoke detector
The LED briefly blinks 3 times every 48 seconds and a short acoustic signal is
sounded if batteries must be replaced.
Manual capacity check
With the room temperature sensor, the meteo sensor and the radiator control
actuator, battery charge is also checked during a binding test (see page 101).
If, during the binding test, the green LED of the
respective device is lit, battery
charge is sufficient.
If, during the binding test, the red LED of the respective device is lit or is dark,
battery charge is insufficient.