Main Board Replacement - Jadever JWE Series Service Manual

small strength so as the avoid damage to L/C), after grinding, press ZERO key to measure the
four corners again.
D. Repeat step B-C until the difference between the four corners and the center is
±1 division, then recalibrate the scale.
E: After grinding the scale, if there are still big differences in the displayed weighing between the
4 corners and center of the scale, it means malfunction in L/C.
F: Pay attentions to L/C specification when grinding, the smaller max.Capacity, and the weaker
grinding force.
Model
JWE-3K
JWE-6K
JWE-15K
JWE-30K

6-2 Main board replacement

1.Remove the weighing pan
JADEVER SCALE CO., LTD
LC Capacity (ZEMIC)
5Kg
10Kg
20Kg
40Kg
JWE service manual
LC Capacity (MAVIN)
4.5Kg
7.5Kg
20Kg
45Kg
2.Upside down the scale and remove
the 7 fixing screws
20