Uline H-1649 Manual De Instrucciones página 8

OPERATING ISSUE
Display is blank, scale
shuts off or will not turn on.
Display blank after turn-on
test; error message display is
locked.
OL or FULL displayed.
UL or NULL displayed.
Display is unstable.
Scale not weighing correctly.
Cannot use full capacity.
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TROUBLESHOOTING
CAUSES
Main power is turned off.
Power supply not plugged in.
Power supply faulty.
Internal battery not charged.
Display turned off.
Pan not installed.
Unstable weight.
Load cell or mechanics damaged.
Mechanics damaged.
Maximum capacity exceeded.
Load cell or mechanics damaged.
Power supply faulty.
Weight on scale below permissible limit.
Pan has been removed.
Pan support not seated properly.
Power supply faulty.
Load cell or mechanics damaged.
Drafts or air currents.
Obstruction under pan.
Sample is moving (animal weighing).
Vibrations through table.
Temperature changed dramatically.
Power supply faulty.
Calibration error.
Linearity error.
Unit calibrated with inaccurate weight.
Balance not level.
Obstruction between sample and cover.
Wrong unit of weight displayed.
Automatic accumulation is turned on
(AU on).
Overload stops hitting pan support or
hitting bottom of load cell.
Electronic problem on A/D.
Parameters set incorrectly.
Load cell or mechanics.
RECOMMENDATIONS
Check that power is going to the
scale. Verify that switch is turned on.
Verify the voltage going to the scale
matches the power supply labels on
the power module or scale.
Remove battery and plug the scale
in. If the scale works, you will need to
replace the battery.
Check if pan is installed correctly.
Turn the scale on again.
Check if pan is installed correctly.
Turn the scale on again.
Check if pan is installed correctly.
Press the ZERO key to reset.
Turn the scale on again.
Verify the scale is in an acceptable
location and on a stable surface.
Verify the power supply is correct for
the scale.
Double-check unit of weight.
Re-calibrate.
Set linearity.
Check if pan is installed correctly.
Verify installation is
acceptable.
Turn AU off
(see Operation section).
Double-check unit of weight.
Look for obstruction under pan and
verify pan installation.
0621 IH-1649