DSC 2550 Руководство по часто задаваемым вопросам - Страница 8
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Печатать страницуTROUBLE DISPLAY
The PC2550 continuously monitors a number of possible trouble conditions. If
one of these conditions occurs, the keypad sounder will beep quickly twice every
10 seconds and the keypad "Trouble" indicator will light. Pressing any key on the
keypad will silence the beeper but the "Trouble" light will remain on until the
trouble condition is cleared. If you cannot determine the cause of the trouble
condition, call your installer for assistance. Press the [
the type of trouble. The zone lights indicate the type of trouble condition.
ZONE LIGHT
1 ............ Defective Stand-by Battery
2 ............ AC Power Failure (see Note below)
3 ............ Day Circuit Trouble
4 ............ Telephone Line Problem
5 ............ Unsuccessful Communication Attempt with Monitoring
Station
6 ............ Bell Circuit Failure
7 ............ Smoke Detector Circuit Trouble
8 ............ Loss of Time on System Clock
Press the [#] key to return to Ready.
Note: The keypad buzzer will not sound for AC failure until there is also a low
battery condition. The "Trouble" light will come ON as soon as AC fails
and will remain on until AC restores.
SMOKE DETECTOR AND FIRE ALARM RESET
If the Fire Alarm sounds at night, do not investigate the alarm: follow your
evacuation plan immediately. Go to a neighbor and call the fire department.
When a Fire Alarm is generated, the bell or siren will sound with a pulsing tone.
Transmission of the fire alarm to your monitoring station is delayed for 30 seconds to
allow you to cancel possible false alarms. To silence the alarm, press the [#] Key.
When the [#] Key is pressed, the system will delay transmission of the fire alarm for
an additional 90 seconds. The 90-second delay is intended to allow you to reset the
smoke detectors after a false alarm.
If the smoke detector is reset and remains reset after the 90-second delay, a fire alarm
will not be transmitted to the monitoring station.
If the smoke detector is reset but goes into alarm again after the 90-second delay, the
fire alarm will sound again and the process described above will repeat. A fire alarm
will be transmitted to your monitoring station after 30 seconds if it is not silenced by
pressing the [#] Key.
Smoke detectors installed on your system may be reset after a false alarm using the [
command. To reset smoke detectors to normal, first clear all products of combustion from
the detectors. Press [
are clear of smoke, they will return to normal. If the detectors still have smoke in them,
the alarm will sound again. If the alarm sounds again, first ensure that there is no threat
of fire; you may then silence the alarm and reset the smoke detectors.
An immediate fire alarm signal and transmission may be generated by holding
down the [F] key for 2 seconds.
TROUBLE
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] then hold down the [4] key for several seconds. If the detectors
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] then [2] keys to display
5
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