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SECTION 9 TROUBLE SELF CHECKING
Symptoms
No display
appears
Display is
unstable
Displayed
value is not
correct.
Wrong linearity.
Unavailable
weigh up to
the capacity.
o-Err appears
u-Err appears.
b-Err appears.
VC series bench scales Technical Manual
Causes and remedy
* AC adapter is not connected, or the ON/OFF key is OFF.
- Connect the AC adapter.
* Battery has been consumed (with battery option).
- Charge the battery.
* Affected by a wind or oscillation.
- Check the location and the response speed.
* The installation base is unstable.
- Check the base.
* Weighing pan or tare touches something.
- Check around.
* Tare is not reduced.(Wrong taring operation) .
* Unit is not level.
* Span has changed by effect of Ｇ gravity due to the relocation in a
distance.
- Calibrate the scale.
* Sensitivity of electronic circuit has changed due to the transportation
or the time lapse.
- Calibrate the scale.
* Weighing pan is contacting the dust cover or the like.
* Weighing objects are contacting with the wind-shield.
* Power voltage is not enough for the unit.
* Weighing objects are non-uniform.
* Weighing objects included foreign matters or some irregular
material.
* Sampling operation is some fault.
* Weighing mechanism is something wrong.
* Characteristics have changed, or mechanism adjustment
has changed by some reason.
- Contact our service representative.
* Gross load weight exceeds the scale capacity.
Weighing range = Full weighing range － Tare value.
* Weighing range has changed by some damage on the
weighing mechanism.
- Contact our service representative.
* Something contacts the weighing pan to lift it.
* Electronic error, by a static electricity or a noise.
- Contact our service representative.
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