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Brecknell 6702U - User Manual

Brecknell 6702U
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67XXU
USB/Serial Scale Series
Service Manual
SOFTWARE VERSION 1.20
AWT35-501145
Issue AG

Table of Contents

Questions and Answers

  • B
    Brian TranSep 9, 2025
    Why can't I display weight in my desired unit on Brecknell Scales?
    • R
      Robert WhiteSep 9, 2025
      This issue occurs when the desired unit is not enabled, or d?5oz when the unit is lb:oz. To resolve this, enable the unit in CONFG-UNITS.
  • A
    Amy HawkinsSep 12, 2025
    What does 'PWT.ER' mean on Brecknell 6702U?
    • K
      Katie DuncanSep 12, 2025
      The 'PWT.ER' error means the piece weight is too small (less than 0.5d), indicating that the weight on the platform is insufficient to define a valid reference weight. Use a greater weight for the sample.
  • B
    Bob JacobsonSep 13, 2025
    What does 'PCT.ER' mean on my Brecknell Scales?
    • B
      Brittany HubbardSep 14, 2025
      The 'PCT.ER' error means the unit-percentage weight is too small. Specifically, the weight of 1%, 0.1%, or 0.01% (determined by CONFG-FUNC-PERCNT) is less than 0.5d. To resolve this, use more weight for the sample.
  • L
    lcampbellSep 16, 2025
    What does 'STB.ER' mean on Brecknell 6702U?
    • J
      josestoutSep 16, 2025
      The 'STB.ER' error indicates that USER-HOLD-STB.TIM is too short, USER-HOLD-HLD.RG is too small, or there is another failure. Try setting USER-HOLD-STB.TIM longer or setting USER-HOLD-HLD.RG bigger.

Summary

General Information and Warnings

About this Manual

Explains manual structure, text conventions, and special messages.

Safety and Maintenance

Covers operational warnings, routine maintenance, and cleaning procedures.

Installation and Mounting

Scale Connections

Details power supply, USB, and RS-232 serial port connections.

Display Mounting Options

Instructions for column and base mounting of the scale display.

Mainboard and Connector Details

Overview of the main circuit board, connectors, and jumpers.

Specifications and Configuration

Model and Dimension Specifications

Lists available models, sizes, and outlines for the 67XXU series.

Power, Environment, and Approvals

Technical specs for power, operating environment, and certifications.

Front Panel and Key Operations

Explains the front panel layout, keys, and basic operational modes.

Setup Menu Navigation and Parameters

Guide to entering, navigating, and configuring setup menu parameters.

Calibration Procedures

Entering Calibration Mode

Step-by-step guide to entering the scale's calibration mode.

Zero Point and Linearity Calibration

Instructions for performing zero point and linearity calibration.

Geographical Adjustment and Input Values

Adjusting scale for location and inputting calibration parameters.

Weight Fine-tune

Adjusting displayed weight without standard calibration weights.

Serial Communication

Communication Settings and Protocols

Configuration of serial communication, ports, protocols, and command sets.

Commands and Responses

Lists commands and their corresponding responses for scale communication.

Legal Compliance and Troubleshooting

Legal for Trade Requirements

Procedures for physical sealing and audit trail parameters for trade compliance.

Troubleshooting and Error Resolution

Explains display elements, error messages, and troubleshooting steps.

Brecknell 6702U Specifications

General IconGeneral
DisplayLCD
Auto Power OffYes
Tare FunctionYes
Overload IndicationYes
Low Battery IndicationYes
Division0.1g
Readability0.1g
Power SupplyAC adapter
Unitsg, oz

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