A&D HV-G Series instruction manual Repair, Check Points Before Calling Maintenance

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.
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 pan.
		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.

HV-G Instruction Manual Page 68