Bosch DS7400XiV4-EXP Spécifications télécharger pdf (Page 106)

DS7400XiV4-EXP | Reference Guide | 6. Troubleshooting Guide EN | 106

Bosch Security Systems | 1/05| 4998154963B

Table 138: General System Troubleshooting (continued)

Symptom Probable Cause Possible Solutions

#87 display = Ground Fault

#89 display = System Fault 04

There is a short to ground somewhere

in the system.

Disconnect field wiring from each

terminal while watching the keypad

display. When the keypad power LED

stops flashing, you have found the wire

that is causing the ground fault.

The LED does not stop

flashing if there is another

system fault present.

If there is no keypad nearby, or another

control problem exists, you can use a

volt meter to find the ground fault:

a. Connect the negative lead of a

volt-meter to the control panel

ground terminal.

b. Connect the positive terminal to

the Aux Power - terminal.

You should read -4.5 to -7.5 VDC. A

reading considerably higher or lower

indicates a ground fault.

Disconnect field wiring from each

terminal while watching the meter.

When the voltage reading returns to

between -4.5 and -7.5 VDC, you have

found the wire that is causing the

ground fault.

#87 display = AR IB Queue Full

#89 display = System Fault 51

The message queue in the RF modem

is full and no messages can get out to

the radio network.

Check RF coverage of the unit and

check for RF noisy environment.

#87 display = AR Host Down

#89 display = System Fault 52

The central station receiver is no longer

available to the network.

Contract the central station and notify

of status.

#87 display = AR Unreg. Modem

#89 display = System Fault 53

The modem is not registered through all

parts of the network.

Contact the network administrators or

technical service.

#87 display = AR Power Fail

#89 display = System Fault 54

There is a possible problem with the

DS7416i Module.

Return for service.

#87 display = AR Network Lost

#89 display = System Fault 55

The DS7416i Module has lost contact

with the radio network.

Check the location and coverage of the

unit.

#87 display = AR Modem HW Err

#89 display = System Fault 56

There is a possible problem with the

radio modem.

Replace the unit.

#87 display = AR Modem SW Err

#89 display = System Fault 57

The DS7416i Module is having trouble

communicating with the radio modem.

Check for noisy environment and

replace the unit if the problem

continues.

#87 display = AR Opt. Bus Err

#89 display = System Fault 58

The control panel can no longer

communicate with the DS7416i

Module.

Check the wiring between the

DS7400Xi and the DS7416i Module.

#87 display = AR Corrupt MSG

#89 display = System Fault 59

Communication between the control

panel and the DS7416i Module is

corrupted.

Check for noisy environment, and

check the wiring between the

DS7400Xi and the DS7416i Module.

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