13
68 | 178
Entry in the calibration
report
Content* Troubleshooting
9. Tolerance of the line
resistance
Loop 1_1/1_2
Line 1/2/1 FAIL ..... dRmax = - 2.1
The calculated difference to the current
line resistance is ≤0 Ω. In an alarm
scenario, individual devices may fail if a
cable break occurs at the same time
and/or a thermal drift increases the line
resistance.
● The conductor cross-section is too
low in relation to the laid length of
line.
● Faulty wiring between two line
devices.
– Check the operating voltage of
the individual devices in the
calibration report.
● Too many line devices are
connected to the line card.
● The configured settings for the
'Sounder volume' and 'Beacon
intensity' properties are too high.
– Reduce the sound level of the
alarm sounder or the intensity of
the beacons on the affected line
card. You will find information on
the configuration of the sound
level of the alarm sounder or the
intensity of the beacons in
document A6V10210424.
10th to max. 252nd
Voltage drop on the
individual 'Voice alarm
sounder beacon/Voice al.
sound. beacon base'
devices on the line
FDS227 - RR
Device 1/2/1/1 FAIL U = 15.7 V
The calculated operating voltage for the
'Voice alarm sounder beacon/Voice al.
sound. beacon base' device in question
is < 16 V for devices with beacon and
< 12 V for devices without beacon.
● The conductor cross-section is too
low in relation to the laid length of
line.
● Faulty wiring between two line
devices.
– Check the operating voltage of
the individual devices in the
calibration report.
● Too many line devices are
connected to the line card.
● The configured settings for the
'Sounder volume' and 'Beacon
intensity' properties are too high.
– Reduce the sound level of the
alarm sounder or the intensity of
the beacons on the affected line
card. You will find information on
the configuration of the sound
level of the alarm sounder or the
intensity of the beacons in
document A6V10210424.
*) The specified lines, devices, and values are only examples.
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