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Seca 644 - Service Manual

Seca 644
37 pages
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for seca 644/645
Service Manual
6441321004
6441321104
6441321134
6457021008
6457021098
6457021198
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6457021243
6457021288
Electronic scale with standing aid, easily manoeuvrable. Pre-tara function with
three adjustable values. Turnable display and operating housing.
Valid as of: 06.07.2011
Variants:
Content:
Short description display module 30-34-00-618 a
Short description DMS module 30-34-00-645 b
Description of faults 30-34-00-588 d
Function diagram 25-02-02-209 a
Description of calibration 30-34-00-603
PC configuration program 30-34-00-672 b
Cableplan 08-02-06-022 c
Replacement 30-34-00-678 a
Spare parts 30-34-00-679 f
Description:
Service Manual Number
17-05-01-305-g
Manual number: 17-05-01-305-g

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Questions and Answers

  • S
    Summer SanchezAug 20, 2025
    How to fix Seca 644 when no weight is displayed?
    • S
      Sean LeAug 20, 2025
      If no weight is displayed on your Seca Scales when there is a load, the scale may not be switched on. Check to ensure that the scale has power and is turned on.
  • L
    linda34Aug 22, 2025
    What does 'Er:X:12' mean on Seca 644 Scales?
    • A
      Abigail LewisAug 22, 2025
      If the display on your Seca Scales shows "Er:X:12", it means the scale was switched on with too high a load. Remove the load from the scale and then restart it.
  • E
    Edwin ColemanAug 25, 2025
    What does error code 'Er:X:11' mean on Seca 644?
    • J
      Joseph SilvaAug 25, 2025
      If the display on your Seca Scales shows "Er:X:11", it indicates that the scale has too high a load or too much load in one corner. Remove some of the load, distribute the weight more evenly, and restart the scale.
  • C
    craigloriAug 26, 2025
    Why doesn't '0.00' appear on my Seca 644 Scales before weighing?
    • T
      Tammy GarciaAug 27, 2025
      If '0.00' does not appear on your Seca Scales before weighing, it might be because a load was already on the scale when it was switched on. Remove the load, switch the scale off, and then switch it back on.
  • C
    Christopher DavisAug 28, 2025
    What does battery symbol mean on Seca 644 Scales display?
    • M
      Melissa AndersonAug 28, 2025
      If the display on your Seca Scales appears , it means the battery block power is running down. Recharge the battery block as soon as possible.
  • S
    Stephanie FieldsAug 29, 2025
    What does 'bAtt' mean on Seca 644 Scales display?
    • J
      jimmy42Aug 29, 2025
      If the display on your Seca Scales shows "bAtt", it means the battery block is discharged. Charge the battery block.
  • B
    Brittany AtkinsonAug 31, 2025
    What does error 'Er:X:16' mean on Seca 644 Scales?
    • G
      Gregory JohnsonAug 31, 2025
      If the display on your Seca Scales shows "Er:X:16", it means the scale was caused to oscillate, and the zero point could not be determined. Restart the scale.
  • E
    Elizabeth ValenciaSep 2, 2025
    What to do if the display "StOP" appears on Seca Scales?
    • J
      Jonathan MoraSep 3, 2025
      The display "StOP" indicates that the maximum load for the Seca Scales has been exceeded. To resolve this, remove the load from the scale.
  • C
    Cynthia YoderSep 4, 2025
    Why does the display "bAtt" appear on Seca 644 Scales?
    • D
      Daniel HaydenSep 4, 2025
      The display "bAtt" on your Seca Scales indicates that the battery block is discharged. To solve this, charge the battery block.
  • M
    Margaret DanielSep 6, 2025
    Why do Seca Scales transmit measurement results and beep after the first switch on?
    • M
      Mary YoungSep 6, 2025
      If, after switching on for the first time, measurement results are transmitted and two beeps are heard on your Seca Scales, it means that the device was unable to send measurement results to the wireless receiver. Ensure that the scale is integrated in the wireless network and that the receiver is switched on. Also, keep HF equipment at least 1 meter away from transmitters and receivers in the Seca wireless network. NOTE If this fault is not eliminated, there will be no fresh acoustic warning when further attempts are made to send data.

Summary

Description of Faults

Scale Fails to Start

Identifies issues when the scale fails to power on or initiate operation.

Weight Reading Errors

Addresses problems with inaccurate, missing, or fluctuating weight readings.

Weighing Operation Errors

Lists specific error codes encountered during the weighing process.

Calibration Procedures

Recalibrating the Scales

Details the steps to switch to and perform recalibration mode.

PC Configuration Program

PC Configuration Instructions

Outlines the requirements and steps for PC-based diagnosis or recalibration.

Replacement Instructions

Seca 644 Specifications

General IconGeneral
Graduation100 g
DisplayLCD
FunctionsTARE, HOLD, BMI
Power SupplyBatteries
TypeDigital medical scale
Capacity300 kg

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