Bosch DS7400 Operating Instructions Manual

Operating Instructions

DS7400 Control Unit

This document must be framed and mounted

adjacent to the control unit.

In the event of trouble, contact:
Company ____________________________________
Telephone ____________________________________

Address ____________________________________

____________________________________

Normal Condition

Under normal conditions, the keypad Power and Status Lights
will be on steady .

Fire Alarm

During a Fire Alarm, the alarm sounding devices and the keypad
sounders will be activated. The keypad display will read “Fire
Alarm.”

• To silence the Fire Alarm sounders:
Enter a valid PIN followed by the command (#) button.
“Fire Alarm” and “Sounder Silenced” will then be displayed.

• To reset the system:
Determine the cause of the alarm. Then enter a valid PIN

followed by command (#) 80. This command clears the “Fire
Alarm” and “Sounder Silenced” displays.

Note: The control panel must be reset after a fire alarm or

future alarms will not be detected.

Fire Trouble

During a Fire Trouble, the keypad sounders will pulse once
every 10 seconds. The keypad display will read “Fire
Trouble.”

• To silence the sounders:

Enter a valid PIN followed by the command (#) button.

If the cause for the Trouble condition has been eliminated,
the sounders will silence and the “Fire Trouble” display will
be cleared.

If the cause for the Trouble condition has not been
eliminated, the sounders will silence, but the “Fire Trouble”
display will not be cleared. The keypad will also display the

point that is in the Trouble condition.

• To clear the display:

Eliminate the cause of the Trouble condition. Then enter a
valid PIN followed by the command (#) button.

Supervisory Signal

During a Supervisory Signal, the keypad sounders will pulse
once every 10 seconds. The keypad display will read
“Supervisory (Pt. Nbr.).”

• To silence the sounders:
Enter a valid PIN followed by the command (#) button.

If the cause for the Supervisory condition has been eliminated,
the sounders will silence and the “Supervisory” display will be
cleared.

If the cause for the Supervisory condition has not been elimi­nated, the sounders will silence, but the “Supervisory” display
will not be cleared.

• To clear the display:
Eliminate the cause of the Supervisory condition. Then enter

a valid PIN followed by the command (#) button.

Power Trouble

During a Power Trouble, the Power Light will be flashing and
the keypad sounders will Pulse every ten seconds. The keypad
display will read “Control Trouble/Press #87.”
A Power Trouble can be caused by several conditions.

• T o silence a Power T rouble:
Enter a valid PIN followed by the command (#) button.

• T o determine the cause of the Power T rouble:
Enter a valid PIN followed by command (#) 87. One of the
following will be displayed:

- AC Failure: AC power has been lost or has gone below
the “Brown Out” level. The Power Light will continue to
flash until AC power has been restored. If AC power
restores while the Trouble condition has been silenced,
the sounders will begin to pulse again.

- Low Battery: The battery voltage has dropped below
12 VDC or the battery is missing. The Low Battery
condition may be cleared, but will return if the battery fails
the next battery test. After clearing a Low Battery
condition, the battery should immediately be tested as
described in the “Testing” section. If the battery restores
while the Trouble condition has been silenced, the
sounders will begin to pulse again.

• T o clear a Power T rouble:
Eliminate the cause of the Trouble condition. Then enter a
valid PIN followed by command (#) 87 *.

Testing Procedure

The sounders should be tested (at least weekly) using the
keypad activated Sounder T est. The Sounder T est is activated
by entering a PIN followed by the command button (#) and 85.
This test activates the sounders using power from the battery;
thereby, testing the battery . If the battery is defective, the system
will go into a Power Trouble condition. The system sirens and
keypad sounders will activate for two seconds.

© 2004 Bosch Security Systems
130 Perinton Parkway, Fairport, New York, USA 14450-9199
Customer Service: [phone]; Technical Support: [phone]

02/04

DS7400 Operating Instructions

P/N: 27559E Page 2