BC Time Recorder Simplex 100 Troubleshooting Guide

574-771Rev. A4020 Fire Alarm SystemSystem Troubleshooting GuideTechnical Manuals Online! - http://www.tech-man.com

2-5KEYPAD/LEDsLCD DISPLAYMASTER CONTROLLER(565-325)P1P8P2STANDARD SLAVE(565-222)POWER I/O INTERFACE(565-220)POWER SUPPLY(636-289)P3TB1TO PROGRAMMER CA

2-6Figure 2-3. 565-325 Master Controller PCB AssemblyTable 2-2 describes the I/O connectors on the Master Controller PCB Assembly(refer to Figure 2-2

2-7The Standard Slave PCB assembly controls and supervises four I/O circuits, asingle Mapnet channel and the Power I/O Interface assembly and has thef

2-8Figure 2-4. 565-222 & 565-368 Standard Slave PCB AssemblyTable 2-4 describes the I/O connectors on the Standard Slave PCB Assembly(refer to Fig

2-9The Power I/O Interface circuitry permits the Standard Slave to supervise andcontrol the Power Supply. A bi-directional 8 bit bus provides Standar

2-10Figure 2-5. 565-256 Power I/O Interface PCB AssemblyFigure 2-6. 565-220 Power I/O Interface PCB AssemblyFigure 2-7. Voltage Points on Power I/O

2-11Table 2-5 describes the I/O connectors on the 565-256 Power I/O Interface PCBAssembly (refer to Figure 2-5 for the location of these connectors).T

2-12The Switcher Power Supply converts 120/220/240VAC input line voltage into28 volt DC power. The supply provides brownout detection status to the P

3-1This chapter presents 4020 problems experienced in the field and those analyzedby Service Repair. This information is arranged in three categories

3-2Removing the AC power cable connection from the Power Supply still leavesprimary AC power on the terminal block to the right of the supply. During

Copyright  1998 Simplex Time Recorder Co. All rights reserved.Printed in the United States of America.Information in this document is subject to cha

3-3Two Standard Slave PCB assembly versions exist. Although the assembliesappear to be identical, each assembly requires specific Software, Power I/O

3-4Some back boxes have a conduit fitting mounted in the upper right-hand cornerwhere it is possible to contact the rear of the P3 connector of the LC

3-5Multiple ground faults and mis-application of the Audible/Visible jumpers candestroy the 10 ohm protective resistors (R35, R63, R70 and R77) on the

3-6Although the Power Supply exhibits the least failures of all 4020 sub-assemblies, many power supplies are being damaged by reversal of the batteryl

4-1Generally speaking, the first step in troubleshooting is to determine what thecustomer knows about the problem. For example:• Was panel alarm sou

4-2The typical selections on a Power I/O Interface PCB assembly are as follows:Power I/O Interface Board 565-256:• P10, P11, P12, P14 installed to e

4-3If the Master Controller comes up with a “System Startup in Progress” message,it is probably working properly. Error codes are usually an indicati

4-4A non-silenceable panel alarm usually means that the Master Controller does nothave +28V power. +28V originates from the Power I/O InterfaceUninte

4-5The measured voltage at the B-tap output terminals on the Power I/O Interfaceboard should be 28.5V ±.2V. If the B-tap is not the correct voltage th

4-6No 36V Mapnet output indicates the Standard Slave is not completing the powerinitialization procedure. It could be unable to access the A/D conver

iTables and Figures In this Document... iiChapter 1 About This DocumentIntroduction ...

4-7Table 4-1 shows several indications of problems with potential causes associatedwith each.Table 4-1. Troubleshooting ChartIndication of Problem Ar

4-8Table 4-1. Troubleshooting Chart (continued)Indication of Problem Areas to CheckIf panel alarm is sounding continuouslywith no relays clickingChec

5-1The following sequence is documented FOR REFERENCE ONLY.On start-up, the 4020 Standard Slave Card performs the checks shown in Table 5-1.Table 5-1.

5-2Table 5-1. Standard Slave Initialization Sequence (continued)Card Operation Remarks19. Turn on taps If there is 28.5V at the A & B Taps, 27.6V

Rev. ASimplex Time Recorder Co. Simplex Plaza Gardner, Massachusetts 01441-0001 U.S.A.574-771Technical Manuals Online! - http://www.tech-m

iiTables and Figures in this DocumentTables Table Description PageTable 2-1 4020 System Device Address Assignments 2-2Table 2-2 565-325 Master Control

1-1This troubleshooting guide provides you with a basic understanding of the 4020Fire Alarm Control Panel operation and suggestions for quickly findin

2-1The basic 4020 Fire Alarm Control Panel is comprised of four assemblies:• Master Controller (Part No. 565-325)• Standard Slave (Part No. 565-368

2-2The basic 4020 Fire Alarm Control Panel is capable of supporting systemexpansion with peripheral cards. Although not discussed further in thistrou

2-3The Master Controller PCB assembly supervises panel operations and controlsthe front panel user interface. The Master Controller communicates with

2-4KEYPAD/LEDsLCD DISPLAYMASTER CONTROLLER(565-325)P1P8P2STANDARD SLAVE(565-368)POWER I/O INTERFACE(565-256)POWER SUPPLY(636-341)P3TB1TO PROGRAMMER CA