Battery Replacement Dow1171 - Siemens FDCW221 Technical Manual

Radio gateway

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9.2

Battery replacement DOW1171

Building Technologies

Fire Safety & Security Systems

The two battteries of the radio smoke detector must be replaced when a battery

fault for the radio smoke detector is indicated on the control panel.

The batteries must only be replaced by qualified personnel.

Always replace both batteries.

Prerequisites:

The FDnet detector line or the detector zone must be switched off.

The radio gateway must be in normal operation.

The new 9V batteries for the DOW1171 are ready for insertion.

Batteries of the radio smoke detectors must be exchanged one after the other.

Only one radio smoke detector of a radio cell may be without batteries at the same time, and only for

a short period.

Procedure:

1. Unscrew the radio smoke detector DOW1171 from the base.

2. Remove the old batteries from the DOW1171.

3. Wait for the discharge period of 10 seconds.

4. Insert the new batteries in the DOW1171.

5. Insert the radio smoke detector DOW1171 in the base again.

The status indicator shows the field strength by flashing during 2 minutes.

For additional information, please consult the Technical documentation, chapter

'Commissioning', document no. 1787.