A&D Weighing HW-1200KGV3 - Manual (Page 83)

HV-G/HW-G Series Page 81
19. Maintenance
19. Maintenance
Refer to "4. Precautions" for use.
Refer to "6.1. Display and Symbols " and corresponding mode for displayed error code.
Refer to "14. Calibration (Adjusting the Scale)" for precision weighing.
Periodically check the accuracy of the weighing. Calibrate the scale, if it has been
moved to another location or the environment has changed.
19.1. Check Points Before Calling Maintenance Service
In this situation Confirm these items A
Nothing is displayed.
Scale does not turn on.
Is the AC adapter properly connected?
Is the AC adapter of the correct voltage ?
Are the batteries dead ?
Is the battery direction correct ?
A
A
A
A
The scale does not display
zero upon power-on.
Check around the weighing pan.
Is there anything on the pan?
Perform zero point calibration.
A
A
A
A
A
A
------ is displayed and
does not proceed.
The weight value is unstable due to drift, vibration
or other. A breeze or vibration may be affecting the
measurement.
Check around the weighing pan.
Check the connection of load cell cable.
No zero display when the display is turned on.
Remove anything that is on the pan.
Perform zero point calibration.
A
A
Cal e is displayed Calibration error that means "Too heavy".
A
A
-Cal e is displayed Calibration error that means "Too light".
A
A
e is displayed Weighing error that means "Overload".
A
A
-e is displayed Weighing error that means "Underload".
A
A
Fixed display
Do you use the hold function?
Turn off the scale and turn it on.
A
A
19.1.1. Repair
Do not disassemble or assemble the scale without an authorized service engineer. It
may cause an electrical shock or damage to the scale. In this case, repair is not
covered under warranty. Contact your local A&D dealer if your scale needs service or
repair.