Error Message - Jadever JCL Service Manual

JADEVER SCALE CO., LTD - www.dongminhphat.com
LCD backlight no LCD backlight defective
function
Component defective
Battery symbol Insufficient cell voltage
Rechargeable failure
Component defective
Bad connection
between R34 and
LM2930

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.
EEPROM Chksum failure
The weighed articles are overload. Do not load the item exceeds the
19
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.
Re-sold EEPROM or contact our
Service.
maximum tolerance.
JCL Service Manual - www.cantudong,com