T Scale L10 Series, Technical Manual

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T-Touch T-Touch POS Scale
75
7. TROUBLESHOOTING
Problem Possible cause Common solutions
Cannot turn on
power
Mains power is turned off
Power supply is not plugged in
Power supply faulty
Internal battery is not charged
Display is turned off
Check power switch is turned on,
and power LED is working.
Verify the voltage going to the scale
matches the power supply labels on
the power module or scale.
Display is
unstable
Air variation
Pan is in contact
Sample is moving (animal weighing)
Vibrations from table
Dramatic Temperature changed
Power supply / battery faulty
Verify the scale is in an acceptable
location and on a good table /
surface.
Verify the power supply is correct
for the scale.
Weight value
incorrect
Calibration error, Recalibrate
Linearity error, Linearity
calibrated with inaccurate weights
Balance not leveled
some materials between the sample
and cover
Wrong weighing unit displayed
Calibrate again, pay attention to
the test weight used, the stability of
the scale, and the required
weighing unit.
If it’s required do the linear
calibration.
Check pan is installed correctly.
Verify installed in an acceptable
location.
Cannot use Full
Capacity
Overload Stopper touching pan
support or bottom of the load cell
Transportation lock not removed,
A/D circuit problem,
Parameters set incorrectly,
Load Cell or mechanics Damaged
Verify any objects under the pan or
load cell, transporting lock, and
verify pan installation.
Check the weighing units used.
Not Linear
Overload stopper touching, Load cell
or mechanics damaged
A/D damaged
Verify any objects under the pan or
load cell, transporting lock, and
verify pan installation.
Re calibrate and linear calibrate
with ideal standard weights
Off Center
Loading error
Adjust mechanism.
Overload Stops not correct.
Load Cell damaged
Verify any objects under the pan or
load cell, transporting lock, and
verify pan installation. Ensure load
cell fixed correctly.
*Battery will not
charge
Mains voltage not present or too low
Charging circuit failure
Battery Failure
Check power supply voltage is
correct. Verify the batteries are
rechargeable types and charging
voltage getting proper..