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Seca 634 - Service Manual

Seca 634
32 pages
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Service Manual
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Large platform Electronic scale with a wide measurement range specially for
adipose patients.
Valid as of: 06.07.2011
Variants:
Short description display module 30-34-00-618 a
Content:
Short description DMS module 30-34-00-645 b
Description of faults 30-34-00-588 d
Function diagram 25-02-02-209 a
Calibration (lin.) 30-34-00-603
PC configuration program 30-34-00-672 b
Cableplan baseframe 08-02-06-022 c
Cabelplan display 08-02-06-031
Replacement 30-34-00-055
Spare parts 30-34-00-056 c
Description:
Service Manual Number
17-05-01-321-d
Manual number: 17-05-01-321-d

Other manuals for Seca 634

Questions and Answers

  • Y
    ywilliamsAug 19, 2025
    Why does "StOP" appear on my Seca 634 display?
    • M
      Michael Smith DDSSep 12, 2025
      The "StOP" message appears because the maximum load for the scale has been exceeded. Remove some of the load from the scale.
  • C
    cartertimothyAug 21, 2025
    What does it mean when the display "bAtt" appears on Seca 634 Scales?
    • M
      mcdonaldjohnAug 21, 2025
      The "bAtt" message on the display indicates that the batteries are flat. You should insert new batteries.
  • P
    Paul TorresAug 23, 2025
    How to fix "Er:X:11" error on Seca Scales?
    • A
      Andrew SmithAug 23, 2025
      The "Er:X:11" error indicates that the scale has too high a load, or the load is unevenly distributed. To resolve this, take some of the load off the scale or distribute the weight more evenly. If that doesn't work, restart the scale.
  • L
    Lauren McdanielAug 26, 2025
    What does "Er:X:12" mean on Seca 634 Scales and how to resolve it?
    • K
      Karen ContrerasAug 26, 2025
      The "Er:X:12" error appears when the scale was switched on with too high a load. Remove the load from the scale. If the issue persists, restart the scale.
  • D
    Deborah HardyAug 27, 2025
    What to do if Seca Scales displays "tEMP"?
    • C
      Christopher RojasAug 28, 2025
      The display "tEMP" indicates that the ambient temperature is too high or too low. Set up the scale in an environment where the temperature is between +10 °C and +40 °C. You can also wait approximately 15 minutes for the device to adjust to the ambient temperature.
  • L
    lauramillerAug 30, 2025
    How to fix Seca Scales when no weight is displayed with a load?
    • C
      Cynthia GreenAug 30, 2025
      If no weight is displayed when there is a load on the scale, check whether the scale is switched on and whether batteries are inserted.
  • J
    Jamie FordSep 1, 2025
    How to resolve "Er:X:16" error on Seca Scales?
    • S
      Sara OrtizSep 1, 2025
      The "Er:X:16" error means that the scale was caused to oscillate and the zero point could not be determined. Restart the scale.
  • A
    Anthony CoffeySep 3, 2025
    Why does my Seca Scales not show 0.00 before weighing?
    • R
      Rebecca ReyesSep 3, 2025
      If 0.00 does not appear before weighing, it could be that a load was already on the scale when it was switched on. Remove the load from the scale. If this doesn't work, switch the scale off and back on again.
  • M
    michael08Sep 5, 2025
    What to do when Seca 634 transmits measurement results and beeps after the first switch on?
    • V
      Valerie HendersonSep 5, 2025
      This happens because the device was unable to send measurement results to the wireless receiver. Ensure that the scale is integrated into the wireless network. Also, keep HF equipment at least 1 meter away from the transmitters and receivers, as reception may be interfered with by HF equipment.
  • M
    Michele JohnstonSep 7, 2025
    Why do I see only the "SYS" item in the "rF" menu of my Seca 634?
    • R
      Raymond JonesSep 7, 2025
      If you only see the "SYS" item in the "rF" menu, the wireless module is deactivated. Activate the wireless module.

Summary

Scale Recalibration

DMS Module Description

Weight Measurement Process

Details how DMS modules use load cells and ADCs for weight measurement.

Fault Description and Resolution

Scale Startup Failures

Lists possible causes and remedies for the scale failing to start.

Weight Reading Inaccuracies

Identifies causes and solutions for inaccurate weight readings.

Segment Test and Value Fluctuations

Provides troubleshooting steps for segment test issues or fluctuating values.

Keypad Unresponsiveness

Lists potential issues and fixes when the scale doesn't respond to buttons.

Weighing Operation Errors

Addresses errors like 'Er:X:10', 'Er:X:11', 'Er:X:12' during weighing.

Specific Fault Codes

Details faults like kg value calculation, battery, temperature, and bus faults.

Calibration Mode Guide

Recalibration Procedure Steps

Step-by-step guide on switching to calibration mode and performing recalibration.

Recalibration Sequence Summary

Provides a user action and result summary for the recalibration process.

PC Configuration Tool

PC-Based Configuration Instructions

Details the equipment and steps for PC-based diagnosis or recalibration.

Component Replacement

Removal Procedures

Details the process of dismantling the scale platform, frame, and electronics housing.

Spare Parts Catalog

Seca 634 Specifications

General IconGeneral
Graduation100 g
DisplayLCD
Automatic switch-offYes
TypeDigital scale
Capacity300 kg
FunctionsBMI calculation
Power supplyPower adapter
Platform size320 x 320 mm
Weight unitskg, lb

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