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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

  • J
    James SmithAug 19, 2025
    Why won't my Brecknell 6702U turn on?
    • V
      valerie02Sep 12, 2025
      The issue might stem from several causes: the power cord could be improperly connected or not plugged in at all, the power outlet might not be providing electricity, or the battery could be discharged. To resolve this: * Check the power cord connections to ensure they are secure. * Verify that the power cord is plugged into a functioning power outlet. * Check the power source. * Replace the batteries if they are discharged.
  • M
    matthewjenningsAug 21, 2025
    What to do if my Brecknell Scales display shows '----'?
    • J
      Jennifer SimsAug 21, 2025
      This display indicates that the weight reading either exceeds the overload limit or the weight value, in the current unit of measure, exceeds 6 digits. To fix this, reduce the load on the scale until the weight value can be displayed or select a more appropriate unit of measure. You may also need to reset some parameters of CONFG or USER.
  • J
    Joseph NguyenAug 23, 2025
    How to fix 'Ad---' error on Brecknell Scales?
    • G
      gwilliamsAug 23, 2025
      The 'Ad---' error indicates that the loadcell wires connected to the indicator are incorrectly connected, shorted, or opened, or that the ADC or loadcell(s) are damaged. Ensure the wires are correctly connected and in good condition. Replacing the loadcell or ADC chip may be required.
  • M
    michaelhansonAug 26, 2025
    What does 'CAL.Er' mean on my Brecknell 6702U Scales and how to fix it?
    • D
      Deborah ButlerAug 26, 2025
      A 'CAL.Er' error indicates a calibration problem. This could be due to incorrect input data, or the loaded weight being too small, too big, unstable, or non-linear. Ensure you input the correct data and load the correct weight onto the platform.
  • J
    Jason WilliamsAug 27, 2025
    What to do if my Brecknell 6702U Scales cannot zero?
    • W
      williamwhiteheadAug 28, 2025
      If your scale won't zero, it might be because the load on the scale exceeds the allowable limits, the load isn't stable, or there's load cell damage. Try removing the load from the scale and wait for the reading to stabilize.
  • T
    Tammy KellerAug 29, 2025
    What does 'EEP.E1' mean on my Brecknell 6702U Scales and how to solve it?
    • D
      David JenkinsAug 30, 2025
      The 'EEP.E1' error means that the CONFG or CAL parameters are not correctly set. To resolve this, reset the items in CONFG and perform a calibration.
  • J
    Jamie GonzalezSep 1, 2025
    What does 'EEP.E2' mean on my Brecknell 6702U Scales and how can I fix it?
    • R
      Rose JohnsonSep 1, 2025
      The 'EEP.E2' error indicates that a USER parameter is not correctly set. To fix this, reset the items in USER.
  • H
    harrisjuanSep 3, 2025
    What does 'CAP.ER' mean on Brecknell Scales?
    • E
      Erin PittsSep 3, 2025
      The 'CAP.ER' error means that the capacity parameters are not correct. To fix it, set PRIM.N/PRIM.D/SECND.n to the correct number, ensuring that the capacity does not exceed 6 digits.
  • J
    justin77Sep 5, 2025
    Why do my Brecknell Scales display '0----'?
    • S
      Samuel ColemanSep 5, 2025
      This indicates that the weight reading is below the Power On Zero limit. Install the platform on the scale and perform a zero calibration.
  • D
    David WilsonSep 7, 2025
    Why do my Brecknell 6702U display '____'?
    • E
      elizabeth71Sep 7, 2025
      This display means the weight reading is below the Under load limit. Install the platform on the scale and perform a zero calibration.

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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