DSC PC255O Specifikace stáhnout pdf (Strana 8)

entered. Once the bypass command is entered, pressing

[9] recalls the last zone or group of zones which was

bypassed. If the same group of zones is bypassed each

time, this bypass recall feature can be used instead of

having to bypass zones individually.

When the PC2550 is programmed, the ability to bypass

certain zones may be eliminated. In this case, the “Zone”

lights for those zones will not come on in response to the

bypass command. See the “Zone Bypass Mask”

instruction in the [✱][8] Installer’s programming section. If

the “Bypass” light is on when arming the panel, the [✱][1]

command should be used to see which zones are

bypassed so that zones are not unintentionally bypassed.

Zone bypasses are automatically cancelled when the

panel is disarmed.

If light 8 in section [16] is on then a code must be entered

with [✱]+[1] to bypass zones. Only the zones assigned to

the same side of the system as the user code can be

bypassed. The ability to bypass using certain access

codes can be eliminated. See the “Access Bypass Mask”

instruction in the [✱] [8] Installer’s Programming section.

Note: At no time can any armed zone be bypassed.

Trouble Display

[✱]+[2]

The PC2550 continuously monitors a number of possible

trouble conditions. If one of these conditions occurs, the

keypad “Trouble” indicator will light and the audible

indication will sound (two short beeps every 10 seconds).

When the [#] key is pressed the audible indication will

stop but the “Trouble” indicator light will remain on until

the trouble is cleared. Trouble conditions can also be

transmitted to the monitoring station (see “Programming

Guide” sections [12] and [13] for alarm and restoral

trouble codes). Press the [✱] then [2] keys to display the

type of trouble. The “Zone” lights indicate the type of

trouble condition.

1 Low stand-by battery

2 AC power failure

3 Day zone trouble

4 Telephone line trouble

5 Unsuccessful communication attempt with monitoring

station

6 Bell circuit failure

7 Smoke detector zone trouble

8 Loss of time on internal clock

Press [#] to return to “Ready”.

1 Low Battery...

A battery trouble will be displayed and

can be reported if the battery is weak, disconnected or

the battery fuse is blown. Only one low battery alarm or

restoral transmission takes place per arming period. Low

battery trouble display is latching and can only be

cleared by battery restoration.

2 AC Power Failure...

There is no audible annunciation

on AC power failure. The system “Trouble” light will come

on but the audible indication will not sound until there is a

low battery condition. Transmission delay can be

programmed for 1 to 99 minutes. See “Programming

Guide” section [20].

3 Day Zone Trouble...

This trouble applies only to zones

which have been programmed as day zones.

(“Programming Guide” section [14]). A day zone creates

a trouble signal when the panel is disarmed and an alarm

signal when the panel is armed.

Telephone Line Trouble...Telephone Line Trouble...

Telephone Line Trouble...

A telephone line trouble is

generated when the line voltage drops below 3 volts for

more than 30 seconds. It generates a keypad trouble

when the system is disarmed and rings a local alarm

when the panel is armed. See section [16] for options.

Unsuccessful Communication...Unsuccessful Communication...

Unsuccessful Communication...

If the digital

communicator is unsuccessful communicating with the

monitoring station after eight attempts to each phone

number that is to be tried, a trouble is generated. If a

later attempt to communicate is successful the trouble is

cleared. This trouble can also be cleared by pressing the

[#] key to exit the trouble view mode.

Bell Circuit Failure...Bell Circuit Failure...

Bell Circuit Failure...

If the bell fuse fails or the bell

circuit is open, a keypad trouble and a trouble

transmission are generated.

Smoke Detector Zone Trouble...Smoke Detector Zone Trouble...

Smoke Detector Zone Trouble...

If a FIRE zone is open

circuit, a keypad trouble and a trouble transmission are

generated. A trouble on the FIRE zone will unconditionally

initiate an audible indication on the keypad. This means

that even if any other previous trouble has been silenced,

a FIRE zone trouble will restart the keypad buzzer.

Loss of Internal Time...Loss of Internal Time...

Loss of Internal Time...

When the PC2550 is powered

up or reset, the internal time of day clock needs to be set

to the correct time. This trouble is cleared when the

trouble display is viewed and exited or when an attempt

is made to reset the internal time of day clock. See

“[✱][6] User’s Function Command” for resetting time of

day clock.

If the [9] is pressed while in the trouble display mode the

most recent trouble will be displayed on the zone LEDs.

This trouble memory feature is useful as a diagnostic aid

when installing and servicing the PC2550.

Alarm Memory Display

[✱]+[3]

Press [✱] then [3] to enter the alarm memory mode. The

“Memory” light will flash and any alarm caused during the

last armed period will be displayed on the zone lights. In

addition to the last alarm memory there are 2 history

levels. After entering the memory mode (pressing [✱]

then [3]), pressing [9] will cause the keypad to display

the two other levels of alarm history. Each time [9] is

pressed the keypad will beep 1, 2 or 3 times to indicate

which level of history is being viewed. When the panel is

armed, the last alarm memory is cleared and the contents

moves to the 1st history level. The “Memory” light will only

be on when there was an alarm during the last armed

period.

Press [#] to return to “Ready”.

Switched Auxiliary Supply Control

[✱]+[Hold Down 4]

To interrupt the switched auxiliary power supply press [✱]

then hold down [4] for the desired interrupt time. When

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 43 44

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