Bosch DS7400XiV4-EXP Dokumentacja Pobierz pdf (Strona 107)

DS7400XiV4-EXP | Reference Guide | 6. Troubleshooting Guide EN | 107

Bosch Security Systems | 1/05| 4998154963B

Table 138: General System Troubleshooting (continued)

Symptom Probable Cause Possible Solutions

Unable to arm the system. a. Zone(s) faulted.

b. If an AC failure exists, you must

force arm.

a. Determine the cause of the

problem and clear the indicated

zone(s).

b. Enter an arming sequence, then

press the Bypass key during a 5

second beep.

#87 display = Battery Trouble

a. The battery failed a battery test.

b. The battery is defective.

c. The wiring to the battery is

disconnected.

a. If there has just been a power

failure, wait at least two hours for

the battery to recharge then

perform a System Reset to re-test

the battery and clear the error.

b. Replace the battery.

c. Check wiring.

#87 display = Zone Trouble

a. A zone is not responding to the

control panel.

b. The zone is programmed for

“Trouble on Open” and the loop is

open.

There is a power failure and the control

panel is operating on battery backup. If

there is a general power failure, wait for

the power to return. If there is not a

general power failure in the building.

a. Check wiring to the zone.

If the zone is not to be used,

remove from programming.

b. If using Normally Closed

contacts, re-program zone for

alarm on open.

If using Normally Open contacts

and trouble on open is desired,

check for opens in the loop.

Remove wiring and place an EOL

resistor across the zone to

eliminate a problem with the

control panel. If the trouble goes

away, the problem is in the wiring

or in a contact connected to the

zone.

#87 display = AC Power Failure

a. The transformer is unplugged.

b. The wiring from the transformer is

defective.

c. The circuit to the transformer is off

or defective.

d. The transformer is defective.

e. In some cases, the transformer

may be connected to a circuit

controlled by a switch or a circuit

breaker that is periodically turned

off.

a. Plug the transformer in.

b. Check the wiring.

c. Check the circuit and circuit

breakers.

d. Replace the transformer.

e. Connect to a circuit that is not

controlled this way.

Fire Alarm displays “000”. The Fire Alarm was caused by the “A”

key.

Use the System Reset command to

clear the display.

Fire Trouble, no zone number. When in Commercial Fire Mode, a

ground fault causes this display.

See #87 Ground Fault display for

solution.

1 2 ... 102 103 104 105 106 107 108 109 110 111 112 ... 143 144

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