HW-G Instruction Manual Page 68
HW-G OZIM v1a
19 Maintenance
Refer to “4. Caution” for use.
Refer to “6.1. Display and Symbols “ and corresponding mode for displayed error
code.
Refer to “14. Calibration (Adjusting Scale)” for precision weighing.
Periodically check the accuracy of weighing. Calibrate the scale, if it is moved to
another location or the environment has changed.
19.1 Repair
Do not disassemble/ assemble the scale without an authorised service engineer.
It may cause an electric shock or damage to the scale, etc. In this case, repair is
not covered under warranty. Contact your local A&D dealer if your scale needs
service or repair.
19.2 Check Points Before Calling Maintenance
In this situation Confirm these items
Is the AC adaptor properly connected?
Nothing displayed. Is the AC adaptor the correct voltage ?
Scale does not turn on. Are the batteries dead ?
Is the battery polarity correct ?
The scale does not display Check around weighing pan for foreign
bodies.
zero at first. Is there anything on the pan?
The weighing value is unstable due to drift,
888888 is displayed and does vibration or other
not proceed Check around weighing panfor foreign
bodies.
Check the connection of load cell cable.
------ is displayed and does Check around weighing pan. Remove
not proceed. anything on the pan.
Make zero point calibration of the scale.
Cal e is displayed Calibration error that means “Too heavy”.
-Cal e is displayed Calibration error that means “Too light”.
e is displayed Weighing error that means “Over load”.
-e is displayed Weighing error that means “Under load”.
Fixed display Do you use the “hold function”.
Turn the scale off then on.