Bosch LTC 8555 Manual de instrucciones descargar pdf (Pagina 54)

Bosch Security Systems | December 8, 2004

LTC 8100, LTC 8200, LTC 8300 Series | Instruction Manual | Troubleshooting

Problem Description/Solution

Remote Receiver/Driver Functions Inoperative

All receiver/drivers and functions inoperative. • Verify that the CODE LED indicator on the front panel lights during P/T/Z control

actions. If not, the unit requires service.

Individual receiver/driver nonoperative. • Check the Green LED code indicator inside the receiver/driver box. If not lighting,

check shielded twisted-pair cable between the unit and receiver/driver box.

• Confirm that the camera address setting in the receiver/driver corresponds to the

camera number selected by the keyboard.

• Perform internal receiver/driver local test to verify operation its receiver/driver

circuitry and the pan/tilt/zoom wiring.

AutoDome Series cameras are not operating in a

variable speed fashion.

• Verify that CPU DIP switch 7 is selected for variable speed mode.

No Alarm Response

No system alarms are operative. • Verify that the Alarm LED on the front panel lights when the unit is in alarm. If not,

verify that alarm programming is correctly enabled.

Individual cameras/monitors not responding when

alarmed.

• Ensure that the desired cameras are properly armed on the appropriate armed

system monitors.

• Verify that the alarming device and the cable to the unit’s alarm interface connections

are intact.

Incorrect system alarm response. • Verify that the desired alarm response mode has been selected.

• Refer to Section 13, KEYBOARD USER FUNCTIONS for instructions.

Alarms cannot be reset. • Power off/on unit to clear all alarms. (Any alarms that re-initiate are still active.)

• Verify alarm response and user settings for alarm acknowledge authority.

• Remove alarm connections to rear of unit. If alrams are still present, investigate

possibility that alarm input polarity has been changed by the installer using “CCL”

commands.

CPU Software Version Numbers

During the system evolution, new CPU software

versions will be released. Some troubleshooting

cases require Factory Technical Support personnel

to ask for the version of the CPU. To obtain a CPU

software version:

• Using a system keyboard, an operator with a priority level 1 can enter keyboard

User Function 23. Press [User], then Enter 23 using the numeric keypad, and

press [Enter].

• The CPU version number will be displayed on the overlay of the monitor currently

being controlled by the keyboard. Record this number for future reference.

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Bosch LTC 8555 Manual de instrucciones Pagina 54