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Maintenance/Troubleshooting - Supervision related problems
a - 6 • • • Intelli-FLEX II product guide
processor is low when the door is closed. (The magnet held close.) The output
from the sensor to the processor increases when the door is opened. (Magnet
moved away.) This initiates a tamper supervision alarm.
Indication
A tamper supervision alarm is indicated on the processor board, when the
normally-closed contacts of the supervision alarm relays close, and the amber
Supervision
LEDs for both zones are lit.
A tamper supervision alarm is momentarily indicated on the Configuration
module, when the module is initially connected to the processor. The display
momentarily shows
dr
indicating that the door is ajar, and the
Zone 1
,
Zone 2
and
Supervisor
LEDs light. This alarm is cleared while the Configuration module is
connected, but reappears when the Configuration module is disconnected and
the enclosure door is still open.
The tamper supervision alarm may be cleared by placing a jumper between TP-8
(door) and TP-11 (gnd) on the processor board.
Conditions
If the tamper supervision alarm does not clear when the enclosure door is closed,
proceed as follows:
1. Ensure the door is tightly closed. You should hear the supervision relays
switch (click) when the door is tightened down or loosened up.
2. If the alarm does not clear with the door tightly closed, remove the magnet
from the door by twisting it counter-clockwise. Place the magnet on the Hall
Effect sensor (HS1) to simulate a closed door.
3. If the magnet clears the door tamper, it is possible the magnet on the door
needs to be repositioned. Contact Senstar for instructions on how to
reposition the magnet. This should be done with care, since it is possible to
damage the processor board and the Hall effect sensor if it is not done
properly.
4. If the magnet does not clear the tamper alarm, there is a problem with the
processor board.
If the tamper alarms does not occur when the enclosure door is opened, proceed
as follows:
1. Make sure that there is no jumper wire between TP8 and TP11.
2. Assure yourself that the processor is working properly in other respects.