Bosch SE2005 Guide d'installation télécharger pdf (Page 42)

Security Escort | Installation and Setup Guide |5.0 Testing

and Troubleshootin

EN | 42

Bosch Security Systems | 1/09 | 33831E

Table 9: Status LEDs

LED Function

AC Power (Lower right corner of the transponder board.) If this LED is off there is

no AC power (Mains power) to the board. Find and correct the AC power (Mains

power) problem. This LED lights even if the transponder’s power switch is

off.

Comm Fail This LED lights if the transponder is in a communications failure condition

with the central console. It automatically goes out when communications are

restored.

Carrier

Detect

This LED is operational only for SE485 communications. It flashes every time

any transponder (including this transponder) on this SE485 bus sends a

message to the central console. It is used to monitor overall communications

from the transponders to the central console. If the Carrier Detect LED

stays on, there is a problem with one of the transponders on this bus, or

the wiring, that must be corrected before normal communications are

restored.

Transmit

Data

This LED flashes every time this transponder sends a message to the central

console, whether or not the central console receives it. If this transponder

initiated the communications and the central console correctly receives the

message, the Receive Data LED should flash soon after indicating the central

station successfully returned an acknowledgement.

Receive Data This LED flashes every time this transponder successfully receives a message

addressed to it from the central console. If the central console initiated

the communications, the Transmit Data LED should flash soon after indicating

that this transponder is returning an acknowledgement.

CRC Error This LED comes on every time a message is received containing errors,

whether or not it was addressed to this transponder. The LED remains on

until the next message addressed to this transponder is received without

error. The most common cause for this LED to turn on is wiring errors.

Verify that the SE485 TX+ and TX- are on a twisted pair. Also verify that

the SE485 RX+ and RX - are on a twisted pair.

Test in

Progress

This LED comes on whenever a transmitter is tested. It stays on for the

duration of the test display, typically 5-sec. to 10-sec., then it goes out.

If a test is received while another test is in progress, the Test in

Progress LED goes out momentarily then comes on for the duration of the

second test.

Alarm in

Progress

This LED comes on whenever a transmitter is in alarm. It stays on for the

duration of the transponder’s involvement in the alarm, then it goes out. If

an alarm is received while another alarm is in progress, the Alarm in

Progress LED goes out momentarily then stays on as long as any alarms are

active in the transponder. An alarm that causes the receiver sounders to

stay on keeps the Alarm in Progress LED on. Silent alarms or alarms from

unauthorized transmitters cause the Alarm in Progress LED to turn on and to

go out when the central console acknowledges the alarm message. This also

occurs for every alarm follower message. A maintenance alarm message causes

the Alarm in Progress LED to come on for 5-sec. to 10-sec. then to

automatically go off.

Heartbeat Flashes at a fixed rate to indicate the microprocessor is operating

normally. If this LED stops flashing, the transponder is not operational.

Turn it off for 5-sec. using the power switch. Then turn it back on. If the

LED does not flash, the transponder should have the AC power and the back-up

battery disconnected. Wait a few seconds and then reconnect. If the LED does

not flash at this time, the transponder should be replaced.

Bus 0 to 7 Normally these LEDs are on if the corresponding Bus Enable jumper is in

place, and is off if the jumper is removed. If the bus is enabled, the LED

flashes off and comes back on every time a receiver or alert module on that

bus communicates with the transponder. A Bus LED flashes at the rate of the

heartbeat LED if there is any kind of bus fault (data to ground, data to

power, and bus power to ground) on that bus. On the EA501, the

communications failure LED flashes at this rate since there is no Bus LED. A

Bus LED flashes at half the rate of the Heartbeat LED if there are no points

reporting on that bus (open connection). On the EA501 the communications

failure LED flashes at this rate. If a Bus LED is flashing for a bus that is

not enabled, it can be reset in the central console’s Transponder Data View

screen by selecting this transponder and clicking the Clear EE button. There

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Bosch SE2005 Guide d'installation Page 42

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