Flashes Action Recommended
1 Self-diagnostics failure. Return detector for service or
replacement.
2 to 3 Detector is becoming insensitive. Clean detector and re-test. If
error persists, replace the detector.
4 to 7 Detector is within normal sensitivity settings.
8 to 9 Detector is becoming too sensitive. Confirm that the smoke
chamber is snapped down securely. Clean the sensor and re-
test.
Table 9.2: Smoke detector sensitivity conditions
Test/Silence button
Refer to the RADION smoke detector illustration for location of the Test/Silence button.
– Testing. Press the Test/Silence button for 4 sec. The detector performs a Sounder test
and a Sensitivity test.
– Silence alarm. Press to silence the sounder during an alarm. After a few minutes, the
sounder and alarm resume if smoke is still present.
LED
LED Status
Flashing Flashes every 8 sec under normal operation.
ON Detects smoke, sending an alarm.
OFF Malfunction, replace the batteries, clean the detector, or replace
the optical chamber as required.
Table 9.3: LED
Clean the detector and replace the optical chamber
Clean the detector cover with a dry or damp cloth as needed to keep it free from dust and
dirt. Clean the detector interior at least yearly.
Cleaning the detector:
1. Remove the detector from the mounting base.
2. Remove the batteries.
3. Slide a slotted screwdriver into the slot on the detector cap and gently push down to pry
off the cap.
Figure 9.2: Remove the detector cap
4. Squeeze the optical chamber where indicated and pull it up and away from the detector.
9.4
9.5
9.6
RADION receiver SD RADION smoke | en 41
Bosch Security Systems, Inc. Reference Guide 2014.03 | 06 | F.01U.261.834
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