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Jadever JWE-3K - User Manual

Jadever JWE-3K
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JADEVER JCE/JWE Service Manual - V05
As per the right of proprietary intellectual property, may not be reproduced in any form without written permission.
0
CHAPTER 1 GETTING STARTED
1-1 Package contents ---------------------------------------------------------------------- 1
1-2 Specifications --------------------------------------------------------------------------- 1
1-3 Your JCE/JWE scale ------------------------------------------------------------------- 2
1-4 Preparation ------------------------------------------------------------------------------ 3
1-5 Overview of display & keys ----------------------------------------------------------- 4
CHAPTER 2 SET UP
2-1 Models ----------------------------------------------------------------------------------- 8
2-2 Calibration------------------------ -------------------------------------------------------- 8
2-3 Parameters setup mode ------------------------------------------------------------- 12
2-4 Offset value and keypad check----------------------------------------------------- 19
2-5 Power supply voltage------------------------------------------------------------------ 20
CHAPTER 3 MAINTENANCE
3-1 Replacing main printed circuit board ----------------------------------------------- 21
3-2 Replacing load cell --------------------------------------------------------------------- 22
CHAPTER 4 TROUBLESHOOTING
4-1 Preliminary checks --------------------------------------------------------------------- 24
4-2 Problems and solutions---------------------------------------------------------------- 24
CHAPTER 5 SPARE PARTS & ACCESSORIES
5-1 JCE / JWE series----------------------------------------------------------------------- 26
Jul. 2002

Questions and Answers

  • H
    Heidi HansonAug 18, 2025
    Why does the symbol of battery appear on my Jadever Scales?
    • E
      emily35Aug 18, 2025
      The battery symbol appearing indicates a warning for lower voltage. Replace the battery to resolve this issue.
  • B
    Benjamin TurnerAug 21, 2025
    What to do if my Jadever JWE-3K Scales display Err5?
    • G
      George JenningsAug 21, 2025
      Err5 indicates that the weight is over +9e than the full capacity. Remove the excess weight from the scale.
  • G
    Gabriella ChenAug 23, 2025
    What causes unstable readings on my Jadever Scales, and how can I fix it?
    • B
      Brianna KimAug 23, 2025
      Unstable readings on your Jadever Scales can be caused by several factors: * An object under the pan: Remove the object. * Wind influence: Move the scale to a stable environment. * Low battery: Check the battery. * Electromagnetic disturbance: Remove the source of the disturbance.
  • B
    Breanna MorenoAug 26, 2025
    What does it mean when my Jadever JWE-3K Scales show Err2 & -Err2?
    • R
      Rebecca BuckAug 26, 2025
      The Err2 & -Err2 error message on your Jadever Scales can be caused by a few things: * The delivery protection screw hasn't been released: Loosen the delivery protection screw. * The offset value of the zero point is over +10%: Recalibrate the scale. * There is an object under the pan: Remove the object.
  • C
    Curtis HowellAug 28, 2025
    What does it mean when my Jadever Scales show Err3 & -Err3?
    • B
      Brent TorresAug 28, 2025
      The Err3 & -Err3 error on your Jadever Scales could be due to: * The delivery protection screw not being released: Loosen the delivery protection screw. * An object being under the pan: Remove the object. * A malfunction in the main board: Check and replace the main board.
  • J
    Jennifer AndersonAug 30, 2025
    How to fix AC power or battery recharge issues with Jadever JWE-3K Scales?
    • R
      Ricky HallAug 30, 2025
      If your Jadever Scales are not charging or the AC power isn't working, it could be due to: * A malfunction in the fuse of the power socket: Check and replace the fuse. * A malfunction in the transformer: Check and replace the transformer. * A malfunction in the fuse of the LCD board: Check and replace the fuse. * A malfunction in the battery: Check and replace the battery. * A malfunction in the charging circuit: Check and replace the charging circuit.
  • M
    Michael LeeSep 1, 2025
    What to do if Jadever JWE-3K display issues with LCD, backlight or buzzer?
    • C
      coopersethSep 2, 2025
      If you're experiencing issues with the LCD display, LCD backlight, or the buzzer on your Jadever Scales, the issue might be: * A malfunction in the battery wire & battery: Check and replace. * A malfunction in the power circuit: Check and replace. * A malfunction in the switch: Check and replace. * A malfunction in the LCD, LCD driver, or related circuit: Check and replace. * A malfunction in the backlight, backlight driver, or related circuit: Check and replace.
  • T
    Thomas JacksonSep 4, 2025
    What does Err4 mean on my Jadever JWE-3K Scales?
    • B
      Brandon HayesSep 4, 2025
      Err4 indicates a malfunction in the related circuit of the main board EEPROM. Reset and recalibrate the scale.
  • C
    Charles KirbySep 6, 2025
    What does it mean if my Jadever JWE-3K Scales (JCE) show OVEr?
    • J
      Jennifer VasquezSep 6, 2025
      OVEr on JCE Jadever Scales means the number of weighing cargo members exceeds 99999. If you need to count pieces over 100000, do it in multiple sessions (each not exceeding 99999).
  • J
    josephwhiteSep 8, 2025
    What does Err6 mean on Jadever JWE-3K?
    • J
      Janice JohnsonSep 8, 2025
      Err6 indicates the use of an incorrect calibrating mass. Use the correct mass for calibration.

Jadever JWE-3K Specifications

General IconGeneral
Capacity3 kg
Division/Readability0.1g
DisplayLCD
Auto Power OffYes
Overload IndicationYes
Power SupplyAC adapter or 6 x AA batteries
Unitsg, oz

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