LG QHW 15 Manual De Usuario

QHW digital weighing scales user’s guide

 

- 14 - 

 

During the initial power-on testing or during operation it is possible the scale may 
show an error message.    The meaning of the error messages is described below. 
 
If an error message is shown repeat the procedure that caused the message, turning 
the balance on, calibration or other functions.  If the error message still is shown 
then contact your dealer for further support.     

 

ERROR CODE  DESCRIPTION 

POSSIBLE CAUSES 

Err  4 

Initial Zero is greater than 
allowed (4% of maximum 
capacity) when power is 
turned on or when the 
ZERO/ENTER key is 
pressed, 

Weight on the pan when turning the 
scale on. 
Excessive weight on the pan when 
zeroing the scale. 
Improper calibration of the scale. 
Damaged load cell. 
Damaged Electronics. 

Err 5 

Keyboard Error.     

Improper operation of the scale. 

Err 

6 

A/D count is not correct 
when turning the scale on. 

Platform not installed. 
Load cell damaged. 
Electronics damaged. 

 
To view the A/D count press the ZERO/ENTER key and the % key at the same time 
while the scale is performing the initial check at power-on.    Press ZERO/ENTER to 
return to normal.