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ZEBRA-9.30, ZEBRA-9.30.BT
46
27.01.2021
4
Troubleshooting guide
4.1
The list of possible failures is given in Table 4.1.
Table 4.1 – The list of possible failures.
Failure,
external
manifestation
Possible reason
Repair
1
2
3
1. Constant alarm
on the control and
indication device
1.
Disconnection
in
actuating relay circuit.
Check the cable integrity and the
accuracy of its connection.
2. The supply voltage is
absent or below the
norm.
Provide the necessary supply
voltage to the sensor.
3. The protected area
doesn’t
meet
the
necessary requirements.
Inspect
the
protected
area
according to the requirements of
items 1.2.2.1, 1.2.2.2 and remove
the defects.
4. The transceiver unit is
out of order.
Replace the transceiver unit.
2. The sensor
generates
nuisance alarms
periodically
1. Moving objects in the
detection zone.
2. Animals movement in
the sector.
3. Too high sensitivity.
4. Influence of the
adjacent sensor with the
same frequency letter.
Inspect the sector and remove
interference factors.
Align the sensor according to items
2.3.7.2-2.3.7.5.
Install the sensors with different
frequency letters.