Hardy Floor Scales - 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).