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11. Maintenance
11.1. Checkweigher
Errors
When an error occurs in the checkweigher, the error message appears in the screen.
Should this occur, refer to the list of error messages shown below and take appropriate measures.
11.1.1. List of error messages
Error message
Probable cause
Remedial action
The mass value of the
calibration weight is different
from the value set in the
Calibration screen.
Use the correct calibration weight to adjust
span again.
The calibration weight is not
placed on the conveyor
correctly.
Place the calibration weight on the center of
the conveyor and adjust span again.
Calibration error
The mass value of the
calibration weight is not within
the span adjustment range.
An object is placed on the
weighing conveyor, or is in
contact with the conveyor.
Remove the object and adjust span again.
An object exists between the
photosensor and the reflector.
Remove the object.
Photosensor error
The photosensor has been
under the light-blocked
condition for a certain time.
The photosensor optical axis is
not correct.
Adjust the photosensor sensitivity.
Weighing conveyor stopped
An error signal is input from the
motor driver.
The motor is overloaded.
Two seconds after the stop, “belt stop
release” functions.
Remove the cause of overload.
Infeed conveyor stopped
An error signal is input from the
motor driver.
The motor is overloaded.
Two seconds after the stop, “belt stop
release” functions.
Remove the cause of overload.
Rejector conveyor stopped
An error signal is input from the
motor driver.
The motor is overloaded.
Two seconds after the stop, “belt stop
release” functions.
Remove the cause of overload.
Printer connection error
Failed in communication with
the printer.
The printer is not connected
correctly.
Check the connection between the
checkweigher and printer.
