OPErAtInG IssuE
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.
not linear.
PAGE 8 OF 18
TROUBLESHOOTING CONTINUED
cAusEs
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.
Overload stops hitting too soon.
load cell or mechanics damaged.
A/d damaged.
rEcOmmEndAtIOns
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 OPErAtIOns section).
doublecheck unit of weight.
look for obstruction under pan and
verify pan installation.
look for obstruction under pan and
verify pan installation.
set linearity.
0613 IH-1649