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Bosch D2071A - User Manual

Bosch D2071A
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D2071A
EN
Operation & Installation Guide
Fire Alarm Control Panel

Table of Contents

Questions and Answers

  • B
    bradleyphillipJul 31, 2025
    What to do if the Bosch D2071A line rings but the receiver does not pick up?
    • V
      Virginia RamirezJul 31, 2025
      If the Bosch Control Panel line rings but the receiver doesn't pick up, first check that the lines are correctly connected to the receiver. Then, confirm that the correct prefixes and telephone numbers for the receiver are programmed into the D2071A. The receiver’s call load might be too great, so additional telephone lines might be needed for the receiver. Also, make sure the telephone lines are not shorted between the telephone company’s equipment and the receiver, and confirm the receiver is producing a 2300 Hz acknowledgment tone. Finally, confirm the receiver is compatible with the format the D2071A is using (either BFSK or Superfast). Noisy telephone lines can interfere with report transmission, so try making a voice call on the line to confirm the noisy condition.
  • T
    Tina TaylorAug 8, 2025
    Why does my Bosch D2071A Control Panel send TROUBLE ZN E reports regularly?
    • J
      Joseph PhamAug 8, 2025
      If you're receiving 'TROUBLE ZN E' reports regularly with other reports from your Bosch Control Panel, it might be due to the D2071A getting a busy signal on the first dialing attempt. The receiver’s call load might be too great, so additional telephone lines might be needed for the receiver. Confirm the primary phone is a DTMF line. If the D2071A is programmed for DTMF dialing and you confirm it is connected to DTMF telephone lines, try programming it for pulse dialing. Also, ensure the battery leads are connected and not corroded.
  • C
    chad03Aug 15, 2025
    How to fix phone line trouble on Bosch D2071A?
    • J
      John DanielsAug 15, 2025
      If you are experiencing phone line trouble with your Bosch Control Panel, and the buzzer, LED, and relay activate, or you receive a 'TROUBLE ZN B' or 'TROUBLE ZN C' message, make sure the cords for both lines are correctly connected to the RJ31X or RJ38X jacks and the D2071A. Also, ensure the RJ31X or RJ38X jacks are correctly wired to Terminals 4 and 5. Check that all telephones are on hook and not on hold. If the voltage is below 20 VDC, meter for current. If the issue persists, contact your telephone company repair service.
  • B
    Beth JonesAug 23, 2025
    What to do if TROUBLE ZN 9 report occurs on Bosch Control Panel?
    • C
      Charles DunlapAug 23, 2025
      If a 'TROUBLE ZN 9' report occurs in 12 VAC Mode on your Bosch Control Panel, first confirm there is at least 12 VAC on Terminals 1 and 2. Ensure the outlet the transformer is plugged into is rated for 12 VAC. Also, confirm the output for the transformer connected to Terminals 1 and 2 is rated for 12 VAC and at least 100 Ω resistance. Disconnect the transformer from Terminals 1 and 2 and meter the battery at Terminals 3 and 4. A fully charged battery should show 13.8 V. Ensure the battery is a 12 V sealed, lead-acid type.

Summary

FCC Notice

Overview

Communicator

Describes the D2071A's built-in communicator and its reporting capabilities.

RFI and Lightning Protection

Details the D2071A's resistance to radio frequency interference and high-voltage surges.

D2071 A Kit Contents

Lists the components included with the standard D2071A package.

D2071 AC Kit Contents

Lists the additional components included with the D2071AC kit.

Required Materials

Lists additional parts necessary for the installation of the D2071A.

Listings and Approvals

Details the UL listings, NEC compliance, and other agency approvals for the D2071A.

Mandatory Connections

Slave Communicator Applications

Slave Application Power Requirements

Details power requirements for D2071A when used in slave communicator applications.

UL Listed Enclosure Requirements

Specifies requirements for using UL Listed enclosures for the D2071A installation.

Receiving Equipment Compatibility

Control Panel Assembly Details

Terminal Strip Description

Describes the terminal strip and its connections for power, circuits, and relays.

Programmer Connector

Identifies the connector for the D5100 or D5200 programmer.

Enclosure Cover Access

Explains how to access the internal components via the enclosure cover.

Phone Line Trouble Buzzer Functionality

Details the function of the phone line trouble buzzer and associated LED/relay.

Phone Line Trouble LED Indicator

Mounting Tabs and Methods

Alternate Telephone Line Connection

Primary Telephone Line Connection

Phone Line Trouble Relay Installation

Initiating Circuit Alarm Relay Installation

Strain Relief Tab Usage

Installation Procedures

Earth Ground Wiring

Provides instructions for connecting earth ground wiring for different power modes.

Zone 1 Alarm Initiating Circuit

Details the Zone 1 alarm initiating circuit, including Class 'A' parameters and timers.

Supervisory Circuits (Zones 2 and 3)

Supervisory Circuit Mode 1

Describes Mode 1 configuration for supervisory circuits, not for stand-alone.

Supervisory Circuit Mode 2

Describes Mode 2 configuration for supervisory circuits, with restrictions.

Zone 1 Retard and Reset Times

Zone 1 Wiring Configuration

Supervisory Circuit Mode 3

Supervisory Circuit Mode Restrictions

Supervisory Circuits Wiring

Supervisory Circuit Class B Parameters

Initiating Circuit Alarm Relay

Initiating Circuit Alarm Relay Installation

Instructions for installing the D136 relay in socket K6 for the alarm relay.

Initiating Circuit Alarm Relay Wiring

Details wiring connections for the initiating circuit alarm relay.

Phone Line Trouble Relay

Phone Line Trouble Relay Installation

Instructions for installing the D136 relay in socket K5 for the trouble relay.

Phone Line Trouble Relay Wiring

Details wiring connections for the phone line trouble relay.

Primary Power Supply

12 VAC Mode Power Supply

Details connecting a 12 VAC transformer for primary power in 12 VAC mode.

24 VDC Mode Power Supply

Secondary Power & Charging (12 VAC Mode)

Battery Installation and Types

Details battery requirements, installation, and replacement for 12 VAC mode.

Telephone Connections

Telephone Cord Installation

Instructions for connecting primary and alternate telephone lines using modular jacks.

Telephone Connection Location

Guidance on locating RJ31X or RJ38X jacks to avoid interrupting normal phone use.

Telephone Line Supervision

Explains how the D2071A monitors telephone lines for trouble conditions.

Call Routing Configuration

Telephone Company Notification

Cable Tie Installation

Screw Mounting Method

Details how to mount the D2071A using screws and mounting tabs.

D2002 Mounting Plate Usage

Explains how to use the D2002 mounting plate for installation.

Adhesive Strip Mounting Method

Details how to mount the D2071A using provided adhesive strips.

End User Instruction Label

Programming the D2071 A

Navigating Programmer and Records

Explains how to navigate the D5200 programmer and program records.

Programmer Function Keys

Programmer Data Keys

Programmer Notification Tones

Editing Programmer Records

Programmer Connection Procedure

Entering the 2071 Handler

D2071 A Program Modules

Editing the Program Record Options

Program Record Details

Account Number Configuration

Sets the account number for the D2071A, with default and selection options.

Transmit BFSK Format

Selects the reporting format: BFSK or fast, single-round pulsed.

DTMF Dialing Configuration

Selects between dual tone multi-frequency or pulse dialing for telephone numbers.

Primary Prefix Configuration

Selects the prefix for the primary receiver telephone number, allowing up to nine characters.

Alternate Prefix Configuration

Selects the prefix for the alternate receiver telephone number, allowing up to nine characters.

Alternate Phone Number Configuration

Selects the alternate receiver telephone number, allowing up to seven characters.

12 V Mode Selection

Enables or disables the 12 V Mode, which uses a 12 VAC transformer.

Class B Supervisory Mode

Programs the mode for Class 'B' Supervisory Circuits (Zones 2 and 3).

Retard Time Programming

Programs the retard timer for the Zone 1 Alarm Initiating Circuit.

Reset Time Programming

Hours Until First Test Report

Minutes Until First Test Report

Receiver Reports Explained

Troubleshooting Guide

Phone Line Trouble Indicators

Explains the activation of the phone line trouble buzzer, LED, and relay.

Diagnosing Phone Line Trouble

Steps to identify and resolve phone line trouble conditions.

Troubleshooting Communications Failure

Procedure to confirm and resolve communications failure issues.

Trouble Zone E Report Analysis

Troubleshooting D5200 Programmer Issues

Zone Specific Problems

Trouble Zone 9 (Power Issues)

Technical Specifications

Bosch D2071A Specifications

General IconGeneral
BrandBosch
ModelD2071A
CategoryControl Panel
LanguageEnglish

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