Siemens FDCW241 Technical Manual page 45

Building Technologies
Fire Safety
5. Remove the radio device from the base or housing.
The internal alarm indicator flashes briefly at 2-second intervals.
6. Remove the base or housing.
7. Remove the battery pack from the radio device.
8. Store, transport, and dispose of the battery pack in accordance with local
regulations and laws. See also chapter 'Basic principles for replacing the
battery pack [ 51]'.
The radio gateway registers the radio device as missing after a maximum
of 5 minutes.
LED (H4) flashes.
9. When LED (H4) flashes, press and hold button (S1) for at least 2 seconds.
The radio cell switches to normal operation.
The radio gateway deletes the missing radio device from its memory.
10. Follow the same steps to remove the next radio device. Start with step 2.
11. Complete the work as instructed by the fire detection system documentation.
12. Make a note of the change in your documents.
The radio devices have now been removed.
Maintenance / troubleshooting
Adding or removing radio devices
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