Error Message - Jadever JCL Series Service Manual

LCD backlight no
function
Battery symbol

5-3 Error Message

Error message Problems
Initial zero point exceeds ＋
/-30% (take 30% as reference
basis)
Higher or lower than A/D
resolution range.
19
JADEVER SCALE CO., LTD
LCD backlight defective
Component defective
Insufficient cell voltage
Rechargeable failure
Component defective
Bad connection
between R34 and
LM2930
Replacement is required
Please check/ replace Q9,CPU,P71,
R72,R73,R74,R75,R76
Please recharge the battery
If the voltage of the battery is lower than 5.7V
and the battery indication lamp is still in
green color, please immediately replace the
rechargeable battery.
Please check/replace R34,R35,R36,Q10
Please repair the wire connection between
the two components.
Solutions
1. To check whether there are other alien
articles on the scale pan, remove those
articles.
2. LOAD CELL failure, which requires to be
changed or to contact our Service.
1. Check whether it is A/D failure, if yes, please
replace AD.
2. LOAD CELL failure, replacement is required
or contacts our Service.
JCL Service Manual