Secant Cardio IIe Specifikace Strana 30

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Troubleshooting
27
Security
Door/window contacts not changing status
While you consecutively open and close a contact, the system do not change status:
1. make sure that an end-of-line resistance has been connected. With an ohmmeter, check this
particular security wire: resistance should be nil when the contact is closed and infinite when it
is open. When the end-of line resistance is out of the central controller, the resistance should
be 2200 Ohm when the contact is closed and it should be infinite when the contact is open.
2. check contact if the problem remains.
Detector not changing status when triggered
1. with an ohmmeter, check that the voltage at the 12 Vdc in the central controller is around 12 or 14
volts;
2. check that you get the same voltage directly at the detector;
3. if yes, check the detector manual for trouble-shooting or change it.
A smoke detector “beeps” with no good reasons
1. check voltage at the detector;
2. if it is 0 while all other detectors work properly, check wiring and connections of this particular
detector;
3. if voltage is between 5 and 10 and the screen does not work, the system was working on the
battery which is now discharged. Check main breaker and transformer.
4. if voltage is between 12 and 14, replace this smoke detector
The siren does not work
1. check siren wire connection and polarity at the central controller;
2. remove the siren wire from the siren terminal- block on the central controller and check resistance;
3. if resistance is infinite, the siren wiring is cut or there is a bad connection on the siren or the siren is
defective;
4. check connection and polarity on the siren,
5. change the siren.
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