Siemens FDOOT241-9 Technical Manual page 28

Structure and function
Information displayed on the
detector exchanger and
tester
'No deviation'
'maybe excha.'
1
'advice excha.'
1
'needed excha.'
1
Any fault message
2
28
Building Technologies
Fire Safety & Security Products
Meaning
Normal, no fault is present
The detector is fully functional
Observe information
The detector is fully functional
FDOOT:
Slightly soiled
–
Replacement recommended
Detector is still functional, in spite of minor
problems
FDOOT:
Average soiling
–
Untypical sensor values caused by
–
environmental influence
FDO:
Average soiling
–
Replacement necessary
Detection possibly restricted; alarming is
still possible
FDOOT:
Heavily soiled, failure of one optical
–
sensor
Failure of one or both thermal sensors
–
FDO:
Heavily soiled
–
Fault present
Detection is no longer guaranteed, or
invalid parameter setting
FDOOT:
Failure of both optical sensors
–
FDO:
Failure of the optical sensor
–
FDT:
Failure of one or both thermal sensors
–
Supply fault
Software error (watchdog error)
Memory error
Communication error involving detector and
control panel
The information displayed on the detector exchanger and tester is always in
1
English; no translation into the corresponding language.
This status can be displayed together with another status, e.g. 'needed excha.'
2
(replacement necessary).
Measures
None
Check cause during periodic maintenance
Remedy the cause during the next
maintenance
Replace detector if necessary
Call maintenance service
Replace detector
Remedy cause
Adjust parameter setting
Replace detector
Check detector line voltage
Replace detector
Replace detector
Replace detector
Remedy cause
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16.04.2009