Hardy Floor Scales User Manual
Page 46
Hardy Floor Scales
37
•
Check for loose connections or broken wires.
•
Check the wiring color code to be sure that
the wires are routed correctly. If they are not
wired correctly change the wiring until it is
correct.
•
Check the Weighing Instrument Manual for
trouble shooting instructions.
Problem:
Scale indication is not linear.
Cause #1:
Packing material or debris wedged or built up under-
neath the platform
Remedy #1:
•
Carefully lift the platform high enough to
safely remove the built up debris.
•
Check for loose connections or broken wires.
Cause #2:
Weighing instrument or floor scale is not calibrated.
Remedy #2:
•
Re-calibrate either the weight instrument or
the floor scale or both.
•
Check for corrosion on the electrical connec-
tions.
Problem:
The scale reading drifts or is erratic.
Cause #1:
Corrosion or moisture in the electrical connections.
Remedy #1:
•
Check to see that the summing junction box
is tightly fastened.
•
Check to see that the gaskets and seals are
not cracked or damaged.
•
Remove the wires and clean any corrosion
from the connectors and exposed wire.
•
For high humidity areas, place a desiccant
packet in the summing junction card enclo-
sure.
Cause#2:
High voltage wires close to the load sensor cable.
Remedy #2:
Move the high voltage wires away from the load sen-
sor cable.
Cause #3:
Instrument or floor scale improperly grounded (i.e.
one or both not connected to earth ground).