A&D Weighing HW-200KV-WP - Manual (Page 71)

HV-WP/HW-WP Series Page 69
19. 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 the 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. Check Points Before Calling Maintenance Service
In this situation Confirm these items A
Nothing displayed.
Scale does not turn on. Is the AC power cord properly connected?
Is the AC power the correct voltage ?
A
A
A
A
The scale does not display
zero at first.
Check around the weighing pan.
Is there anything on the weighing pan.
Perform zero point calibration.
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
A
Cal e is displayed Calibration error that meaning "Too heavy".
A
A
-Cal e is displayed Calibration error that meaning "Too light".
A
A
e is displayed Weighing error that meaning "Over load".
A
A
-e is displayed Weighing error that meaning "Under load".
A
A
Fixed display
Do you use the "hold function" ?
Turn off scale and turn it on.
A
A
19.1.1. Repair
Do not disassemble/ assemble the scale without an authorized 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.