AVENAR detector 4000 Maintenance and Service | en 35
Bosch Sicherheitssysteme GmbH
User manual
2023-06 | 07 | F.01U.283.550
Optical system value (display of the current pollution level)
451 - 510 Heavy pollution: Exchange detector immediately
>511 O fault: optical sensor is deactivated.
– Temperature in Celsius
Temperature value [°C] (display of the value currently measured by the thermal sensor)
FAH-425-T-R, FAP-425-OT-R, FAP-425-OT, FAP-425-DOT-R -20 °C – 50 °C
FAP-425-DOTC-R, FAP-425-DOTCO-R -10 °C – 50 °C
– The Carbon monoxide (CO) analog value specifies the currently measured CO
concentration. The CO analog value is between 0 for a normal operating condition and
the maximum value 600.
– Operation time: Operation time of the detector in hours starting from the initial start-up
of the detector.
– Detector state information
Detector state information
10000… OK
11000… General C malfunction. Possible causes:
– Thermal sensor fault
– The operation time of the C sensor exceeds the maximum time
of operation.
The T sensor and the C sensor is off. The optical sensor is still in
operation.
Exchange the detector immediately.
11100… The impedance of the electrochemical cell is too high.
The C sensor is off. The rest of the sensors are in operation.
Exchange the detector immediately.
11010… The operating temperature exceeds the maximum value. The C
sensor is off. The rest of the sensors are still in operation.
11001… Malfunction due to read/write error in the EEPROM. The detector is
off.
Exchange the detector immediately.
00000xxx Number of read/write errors in the EEPROM.
– Pollution level IR LED: The optical initial set-up value for infrared wavelengths of a new
detector is stored in the integrated EEPROM during the final inspection. The pollution
level specifies by how much this analog value has increased in comparison with the
delivery state.
– Pollution level blue LED: The optical initial set-up value for blue light wavelengths of a
new detector is stored in the integrated EEPROM during the final inspection. The
pollution level specifies by how much this analog value has increased in comparison with
the delivery state.
– ID: The 10-digit unique number to identify the detector through diagnostic screen or
Remote Services when connected to the panel.
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