Kronos Timekeeper 400 Series Operating instructions

Document Part Number: 4701182-001
Document Revision: B
Maintenance and Troubleshooting Guide
Series 400 Terminal
This document provides information on maintaining the Series
400 terminal and resolving any user problems.

The information in this document is subject to change without notice and should not be construed as a commitment
by Kronos Incorporated. Kronos Incorporated assumes no responsibility for any errors that may appear in this
manual. This document or any part thereof may not be reproduced in any form without the written permission of
Kronos Incorporated. All rights reserved. Copyright 1995, 1999.
CardSaver, Datakeeper, Datakeeper Central, Gatekeeper, Gatekeeper Central, Imagekeeper, Jobkeeper,
Jobkeeper Central, KeepTrac, Kronos, the Kronos logo, ShopTrac, the ShopTrac logo, Solution In A Box,
Start.Time, TeleTime, Timekeeper, Timekeeper Central, TimeMaker, and VisionWare are registered trademarks of
Kronos Incorporated. CommLink, Comm.Mgr, DKC/Datalink, HyperFind, Labor Activity Manager, Labor Plus, Smart
Scheduler, Starter Series, Start.Labor, Start.Quality, Start.WIP, Tempo, the Tempo logo, and Timekeeper Web are
trademarks of Kronos Incorporated.
AS and AS400 are trademarks, and IBM is a registered trademark of International Business Machines Corporation.
INFORMIX-OnLine is a registered trademark of Informix Software, Inc. INTERSOLV is a registered trademark of
MERANT Solutions Inc. Java and all Java-based trademarks and logos are trademarks or registered trademarks of
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SQLServer is a trademark of Sybase, Incorporated. UNIX is a registered trademark in the United States and other
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B.V. VMS is a registered trademark of Compaq.
When using and applying the information generated by Kronos products, customers should ensure that they comply
with the applicable requirements of federal and state law, such as the Fair Labor Standards Act.
Published by Kronos Incorporated
400 Fifth Avenue, Waltham, Massachusetts 02451-8746
Phone: [phone], Fax: [phone]
Kronos Incorporated Global Support: 1-800-394-HELP (1-800-394-4357)
For a complete list of the international subsidiaries, see the following Kronos Incorporated Web page:
http://www.kronos.com/info/locations.htm
Document Revision History
Document Revision Product Version Release Date
A400.3 November 1995
B400.6 May 1999

Contents
About This Guide
Guide Organization ....................................................................................viii
Conventions ..................................................................................................ix
Abbreviations and Terms ..............................................................................x
Related Documents ......................................................................................xii
Chapter 1: Introduction
The Series 400 Terminal and Its Parts ........................................................1-2
Mainboard ............................................................................................1-2
Available Options ................................................................................1-3
The Field Replaceable Unit and Options ...........................................1-11
Maintenance Basics ..................................................................................1-12
Tools Required for Maintenance .......................................................1-12
Safety Considerations ........................................................................1-12
Cleaning the Terminal ........................................................................1-13
Before You Call Global Support ..............................................................1-14
Chapter 2: Preventive Maintenance
The Lithium Battery ...................................................................................2-2
Determining the Lithium Battery’s Life ..............................................2-2
Replacing the Lithium Battery .............................................................2-3
The Lead-Acid Battery ...............................................................................2-6
Testing the Lead-Acid Battery .............................................................2-6
Replacing the Lead-Acid Battery .........................................................2-7
Verifying the Integrity of the Network .....................................................2-10

Contents
iv Kronos Incorporated
Chapter 3: Servicing the Series 400 Terminal
Handling Static-Sensitive Components ..................................................... 3-2
Saving and Restoring Data ......................................................................... 3-3
Terminal Service Utility ......................................................................3-3
SL400 for DOS .................................................................................... 3-9
Programming the Series 400 Terminal .............................................. 3-16
Removing and Replacing Parts of the Terminal ..................................... 3-19
Removing the Battery Backup Board ................................................ 3-22
Replacing the Battery Backup Board ................................................ 3-23
Removing the I/O Board ................................................................... 3-24
Replacing the I/O Board ....................................................................3-26
Removing the Mainboard .................................................................. 3-27
Replacing the Mainboard .................................................................. 3-28
Removing the Keypad ....................................................................... 3-30
Replacing the Keypad ........................................................................ 3-31
Removing the Keypad Membrane ..................................................... 3-32
Replacing the Keypad Membrane .................................................... 3-33
Removing the LCD ............................................................................ 3-33
Replacing the LCD ........................................................................... 3-34
Removing the Reader Cover ............................................................. 3-35
Replacing the Reader Cover .............................................................. 3-36
Upgrading Memory .................................................................................. 3-38
RAM Upgrade ................................................................................... 3-38
Boot-EPROM Upgrade ..................................................................... 3-41
Chapter 4: Troubleshooting
Terminal Hardware Failures ......................................................................4-2
Power-Up Failures ..................................................................................... 4-7
Badge-Reading Problems ........................................................................... 4-9
Keypad Problems ..................................................................................... 4-11
Lead-Acid Battery Backup Failures ......................................................... 4-12
Communications Problems ...................................................................... 4-14
Serial Troubleshooting ...................................................................... 4-14
Ethernet Troubleshooting .................................................................. 4-16

Contents
Series 400 Terminal Maintenance and Troubleshooting Guide v
Token Ring Troubleshooting .............................................................4-19
Chapter 5: Changing Terminal Firmware
Using the Correct Versions ........................................................................5-2
About the Flash Utility .........................................................................5-2
About the Boot-EPROM ......................................................................5-2
About the Flash Application Program .................................................5-3
Softloading an Application with SL400 .....................................................5-4
SL400 for Windows .............................................................................5-4
SL400 for DOS ....................................................................................5-7
Chapter 6: Using Maintenance Mode
Command Modes Overview .......................................................................6-2
Operating in Maintenance Mode ................................................................6-3
Maintenance Mode Password .....................................................................6-4
Commands List ...........................................................................................6-5
Executing Commands .................................................................................6-8
Appendix A: Error and Status Messages
Interpreting Error Messages ......................................................................A-2
Error Messages .........................................................................................A-3
Status Messages .......................................................................................A-18
Appendix B: Series 400 Terminal Part Numbers
Part Numbers .............................................................................................B-2
Index

Contents
vi Kronos Incorporated

About This Guide
This guide is specifically written for Kronos Customer Service Representatives
and all others who install, maintain, and service the Series 400 terminal.
The supported features for the Series 400 terminals vary among the applications.
You should check your application documentation or with your sales
representative to ensure that the application supports the features you need.
This preface contains the following sections:
wGuide Organization
wConventions
wAbbreviations and Terms
wRelated Documents

About This Guide
viii Kronos Incorporated
Guide Organization
This guide contains the following information:
wChapter 1, “Introduction,” provides information on the Series 400 terminal
and its parts and optional boards. Some basic maintenance information is
provided as well as a section for customers that explains what to do before
calling Kronos Global Support.
wChapter 2, “Preventive Maintenance,” provides information on performing
preventive maintenance on the Series 400 terminal such as replacing the
lithium and lead-acid batteries and verifying the integrity of the network.
wChapter 3, “Servicing the Series 400 Terminal,” describes the procedures
used to save and restore Series 400 terminal data and remove and replace
parts of the terminal. It also provides information on handling static-sensitive
components, and upgrading memory.
wChapter 4, “Troubleshooting,” includes information on troubleshooting Series
400 terminal hardware and power-up failures, resolving badge-reading,
keypad, and internal modem module problems, lead-acid battery failures, and
communication problems.
wChapter 5, “Changing Terminal Firmware,” describes how to use the SL400
utility to change Series 400 terminal firmware.
wChapter 6, “Using Maintenance Mode,” describes how to use maintenance
mode and provides a listing of the maintenance mode commands and
procedures.
wAppendix A, “Error and Status Messages,” contains a listing of error and
status messages, what they mean, and how to resolve the situations that cause
them to appear on the Series 400 terminal.
wAppendix B, “Series 400 Terminal Part Numbers,” lists part numbers relative
to the Series 400 terminal and its options.

Conventions
Series 400 Terminal Maintenance and Troubleshooting Guide ix
Conventions
This guide uses the following text conventions:
Convention Use
Note Emphasizes a key point.
Caution Notifies you of potential damage to your data.
Warning Notifies you of potential danger to you or damage to the
hardware you are using. Heed all warnings.
bold Indicates an important term or phrase.
File > Save Indicates a menu path. Select each item in sequence. In this
example, File > Save means “Select the File menu; then select
the Save option on that menu.”
italic Indicates a variable or placeholder for information that you
must specify. For example, filename.sql or password means
that you must supply a specific file name or password. Italic
also indicates a reference to another document.
user input Indicates information that you must type exactly as shown. For
example: Enter SuperUser for the user name.

About This Guide
xKronos Incorporated
Abbreviations and Terms
The guide uses the following abbreviations and terms:
Abbreviation Meaning
AC alternating current
AFT Arbiter File Transfer
APS Kronos Auxiliary Power Source
AWG American Wire Gauge
BABT British Approvals Board for Telecommunications
CCTV closed circuit television
CE Conformité Européene
CRC cyclical redundancy check
CRT cathode-ray tube
CSA Canadian Standards Association
DC direct current
DOS disk operating system (for example, IBM PC-DOS)
EEPROM electrically erasable programmable read-only memory
EPROM erasable programmable read-only memory
FCC Federal Communications Commission
FIFO first in, first out RAM Buffer
FRU field replaceable unit
I/O input/output
IKDE Imagekeeper®Data Exchange software
K kilobyte of memory
KOP Kronos Options Package
LCD liquid crystal display
LED light-emitting diode
MB megabyte of memory
OS operating system