Jadever JWE-3K Bedienungsanleitung
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
1-1Package contents ---------------------------------------------------------------------- 1
1-2Specifications --------------------------------------------------------------------------- 1
1-3Your JCE/JWE scale ------------------------------------------------------------------- 2
1-4Preparation ------------------------------------------------------------------------------ 3
1-5Overview of display & keys ----------------------------------------------------------- 4
CHAPTER 2 SET UP
2-1Models ----------------------------------------------------------------------------------- 8
2-2Calibration------------------------ -------------------------------------------------------- 8
2-3Parameters setup mode ------------------------------------------------------------- 12
2-4Offset value and keypad check----------------------------------------------------- 19
2-5Power supply voltage------------------------------------------------------------------ 20
CHAPTER 3 MAINTENANCE
3-1Replacing main printed circuit board -----------------------------------------------21
3-2Replacing load cell --------------------------------------------------------------------- 22
CHAPTER 4 TROUBLESHOOTING
4-1Preliminary checks ---------------------------------------------------------------------24
4-2Problems and solutions---------------------------------------------------------------- 24
CHAPTER 5 SPARE PARTS & ACCESSORIES
5-1JCE / JWE series----------------------------------------------------------------------- 26
Jul. 2002
JADEVER JCE/JWE Service Manual - V05
As per the right of proprietary intellectual property, may not be reproduced in any form without written permission. 1
CHAPTER 1 GETTING STARTED
1-1 Package contents
1. Scale body
2. Stainless steel weighing pan
3. Power cord
4. User manual
1-2 Specifications
JCE/JWE-3K JCE/JWE-6K JCE/JWE -15K
JCE/JWE -30K
Capacity x resolution, kg & lb
3kg x 0.0001kg
6 lb x 0.00025lb
6kg x 0.0002kg
12 lb x 0.0005 lb
15kg x 0.0005kg
30 lb x 0.001 lb
30kg x 0.001kg
60 lb x 0.002 lb
Countable piece unit weight
(Applicable for JCE only)
0.08g 0.16g 0.4g 0.8g
Internal resolution 1/150,000
Pan size 334 x 245 mm
Sensitivity drift 20 ppm/℃(5 ~ 35℃)
Operating temp. -5℃~ 40℃
Display (JCE Series) LCD, with back-light
Weight: 5 digits; Unit weight: 5 digits; Total count: 5 digits
Display (JWE Series) LCD, with back-light
Weight: 6 digits
Power supply AC 110V/220V (either one), or
Lead-acid rechargeable battery (approx. battery life 60 hours @ 20℃)
Dimension 348(W) x 404(D) x 124(H) mm
Option module RS-232
Net weight Approx. 5.4kg
JADEVER JCE/JWE Service Manual - V05
As per the right of proprietary intellectual property, may not be reproduced in any form without written permission. 2
1-3 Your JCE/JWE scale (JCE series illustrated here)
Top Bottom
Front Back
Right (viewed from the front) Side
Left (viewed from the front) Side
JADEVER JCE/JWE Service Manual - V05
As per the right of proprietary intellectual property, may not be reproduced in any form without written permission. 3
1-4 Preparation
Note！: Prior to use
Disassembly the delivery protection screw prior to use.
Check whether power supply select switch is set correctly.
1. Refer to the “bottom view” diagram below for the location of
delivery protection screw.
2. Prior to use, always, counter-clockwise loosen the screw to the end.
3. Prior to delivery, always, clockwise tighten the screw to the end.
4. Refer to the diagram below for the location of
power supply select switch. Check whether its setup meets your need.
Power supply select switch
JADEVER JCE/JWE Service Manual - V05
As per the right of proprietary intellectual property, may not be reproduced in any form without written permission. 4
1-5 Overview of display & keys
LCD DISPLAY OF JCE
1. Weight-------- Display the total weight
2. Unit weight----Display the unit weight
3. Total count----Display the number of counting
4. HI, LO, OK----Indicators for checking function
5. Sample insufficient----- Indicate when sample is less than 10pcs
or unit weight is smaller than 4/5 of min.
weighing capacity
6. Accumulation-------------Indicate when accumulating
7. TARE---------- “TARE” shown on the display indicating tare weight is set
8. ZERO--------- “ZERO” shown on the display after reset of the
weight to zero
9. Low Batt------ Symbol shown on the display indicating battery
low, recharge the battery is required.
10. Charge-------Light in red when charging, light in green when charge is
completed.
JADEVER JCE/JWE Service Manual - V05
As per the right of proprietary intellectual property, may not be reproduced in any form without written permission. 5
KEYS OF JCE series
1. ~ ：Numeric keys for input the number.
2. ：Key for enable the checking function, the indicator of HI, LO,
OK will light up accordingly.
3. ：Key for using in accumulating the weight and quantity. (the
indicator of accumulation will light up while accumulating.)
4. ：Key for deleting the accumulation.
5. ：Key for display the weight, the times and the quantities of
accumulation.
6. ：Keyforresetthescale.Thesymbolof
will be shown on the left screen.
7. ：Key for setting the tare weight.
ZERO .
JADEVER JCE/JWE Service Manual - V05
As per the right of proprietary intellectual property, may not be reproduced in any form without written permission. 6
8. ：Key is for averaging the unit weight of the object. Put the
object on the weighing pan, key in the numbers of quantity
and press key. The left screen will show the weight,
middle screen will show the unit weight and the right
screen will show the quantity of counting.
9. ：Key for cancelling the input.
n Press key to reset to zero when input by using
numeric keys.
n Press key to cancel the value that input by using
and keys.
10. ：For input the unit weight directly by using numeric keys. Key
in the value of unit weight and press to complete
the input.
11. ：Key for two functions
n As a decimal point key.
n To switch the Hi, Lo setting when using the checking function.
JADEVER JCE/JWE Service Manual - V05
As per the right of proprietary intellectual property, may not be reproduced in any form without written permission. 7
M+
MR
LCD DISPLAY OF JWE
j Indicator LED of charge, light in red indicating charging, and light in green
indicating charge completed.
kLCD display.
lIndicator LED of accumulation.
KEYS OF JWE series
: When weighing use this key for accumulation, when “0” shown
in display use this key to show total accumulation.
: When weighing, use this key to set HI, LOW range.
: For switching the weighing units.
: Press this while tare subject is on the weighing pan.
: Resettozero.
MC
SET
MODE
TARE
<
ZERO
+
JADEVER JCE/JWE Service Manual - V05
As per the right of proprietary intellectual property, may not be reproduced in any form without written permission. 8
CHAPTER 2 SET UP
2-1 Models
On the A/D PCB, jumpers TPI and TP2 are used to determine the capacity model, as shown
below: (Do know that in different capacity model, load cell used may be different.)
Capacity TP1 TP2
3kg Shorted Shorted
6kg Open-circuited Shorted
15kg Shorted Open-circuited
30kg Open-circuited Open-circuited
2-2 Calibration
Note！:Metrological controls and/or regulations
The regulations and/or metrological controls governing to conduct
calibration vary from country to country.
Please do follow the local metrological controls and/or regulations
imposed by the local authority.
On the A/D PCB, jumper CAL and jumper TC are used to determine the ON/OFF of the
calibration function and TC (temperature compensation), respectively, as shown below:
Jumper Calibration/TC ON Calibration/TC OFF
CAL open Shorted
TC shorted open
JADEVER JCE/JWE Service Manual - V05
As per the right of proprietary intellectual property, may not be reproduced in any form without written permission. 9
JCE series
u three-point calibration
Follow the procedure below to conduct the three-point calibration.
1. To enter the calibration mode is the first step. (Within the calibration mode, press
to return to the initial step when needed.)
2. Switch off the scale.
3. Press and switch on the scale together, then SET will be displayed.
4. Leave weighing pan empty, and then press again. On0 will be displayed.
JCE starts zero calibration.
5. Then On1 will be displayed after calibration.
6. Put the first calibration weight of 1/3 full capacity onto the weighing pan.
7. Then On2 will be displayed.
8. Put the second calibration weight of 2/3 full capacities onto the weighing pan.
9. Then On3 will be displayed.
10. Put the third calibration weight of full capacity onto the weighing pan.
11. displays and scale beeps.
On0
Set 0 0
On1
On2
On3
Dieses Handbuch passt für folgende Modelle
7
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