Siemens FDOOT221 Technical Manual page 35

Information Meaning
displayed on the
detector exchanger
and tester
'no deviation' Normal, no fault is present
The detector is fully functional
'maybe excha.' Observe information
1
The detector is fully functional
For FDOOT:
Slightly soiled
'advice excha.' Replacement recommended
1
Detector is still functional, in spite of minor
problems
For FDOOT:
Average soiling
Untypical sensor values caused by environmental
influence
For FDO:
Average soiling
'needed excha.' Replacement necessary
1
Detection possibly restricted; alarming is still
possible
For FDOOT:
Heavily soiled, failure of one optical sensor
Failure of one or both thermal sensors
For FDO:
Heavily soiled
Any fault message Fault present
2
Detection is no longer guaranteed, or invalid
parameter setting
For FDOOT:
Failure of both optical sensors
For FDO:
Failure of the optical sensor
For FDT:
Failure of one or both thermal sensors
Supply error
Software error (Watchdog error)
Memory error
Communication error involving detector and
control panel
Building Technologies
Fire Safety
Error messages on the detector exchanger and tester are always displayed in
1
English.
This status can be displayed together with another status, e.g. 'needed excha.'
2
(replacement necessary).
Structure and function
Measures
None
Clarify cause during periodic maintenance
Remedy the cause during the next maintenance
Replace detector if necessary
Perform maintenance service
Replace detector
Remedy cause
Adjust parameter setting
Replace detector
Check detector line voltage
Replace detector
Replace detector
Replace detector
Remedy cause
3
Function
35
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01.07.2012