Siemens Sinteso Cerberus PRO FDA221, Manual, Page: 4 / 12

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Building Technologies
A6V10331032_j_en_--
Fire Safety 2019-01-24
Legend for the response indicators
Operation Flow warnings Smoke alarm Info alarm
Blowing
out
High flow
Normal flow
Low flow
Fire 2 No smoke
Error Fire 1
Pre-alarm
Fault/test
Dust
Opening the detector
CAUTION
Damage to the connection cable
In order to prevent damage to the connection cable when positioning the housing cover,
make sure that the connection cable has been routed correctly.
The service area for the detector can be accessed in two ways.
● Partial access:
– Remove the two screws on the top of the detector.
– Slide the housing cover up until you hear it snap into place.
● Full access:
– Remove the two screws on the top of the detector.
– Slide the housing cover up until you hear it snap into place.
– Pull the housing cover out slightly at the sides and lift it up.
– Remove the housing cover.
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