dacell DN-130L - Product Inspection; When Display trembles.; When weight changes into (-).; Displayed as OVER” or UNDER

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9. Product Inspection
Symptom
Cause
Action
Remark
When Display
trembles.
Load cell is damaged.
Load cell insulation
resistance.
 Indirect occurrence
Load cell input, output.
Check resistance
Check load cell’s
insulation resistance.
Insulation
resistance
(Cable & Case >
1000 Mohm)
Loadcell faulty
Check load cell’s
insulation resistance.
Loadcell connection is
insufficient.
Check the wiring
between load cell and
the main device.
Check the load cell’s
calbe’s disconnection.
When weight
changes into (-).
Loadcell wiring is
reversed.
Check load cell’s ouput
cable connection.
Output : (+SIG)
(-SIG)
Displayed as
“OVER” or
“UNDER”
Load cell is damaged.
Load cell connection is
bad.
Check the load cell’s
condition and calbe
connection.