
JADEVER SCALE CO., LTD
- www.dongminhphat.com
19
JCL Service Manual
- www.cantudong,com
5-3 Error Message
Error message
Problems
Solutions
Initial zero point exceeds
+
/-30% (take 30% as reference
basis)
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.
Higher or lower than A/D
resolution range.
1. Check whether it is A/D failure, if yes, please
replace AD.
2. LOAD CELL failure, replacement is required
or contacts our Service.
EEPROM Chksum failure
Re-sold EEPROM or contact our
Service.
The weighed articles are overload. Do not load the item exceeds the
maximum tolerance.
LCD backlight defective
Replacement is required
LCD backlight no
function
Component defective
Please check/ replace Q9,CPU,P71,
R72,R73,R74,R75,R76
Insufficient cell voltage
Please recharge the battery
Rechargeable failure
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.
Component defective
Please check/replace R34,R35,R36,Q10
Battery symbol
Bad connection
between R34 and
LM2930
Please repair the wire connection between
the two components.