40
12. Troubleshooting
※
The numbers in ( ) indicate reference pages
Symptom
Cause
Possible remediation
There is no indication
on the display.
The AC adapter is not connected.
Check that the AC
adapter is connected (8).
The display is unstable.
[M] remains flashing
without changing.
The balance is subject to air currents or
vibration.
The balance is situated on an unstable
surface.
An object is contacting the sample being
measured, the measuring pan, or the tare.
Check Precautions on
Use (2
–4).
Weight indication
contains an error.
An error was made in the tare subtraction
procedure.
The adjusters remain lifted, resulting in an
incorrect level.
The indication values are inconsistent
after long hours of use, or because the
balance has been moved to a new
location.
Review the tare
subtraction (10).
Check the level (8).
Execute span adjustment
on the balance (27).
The limit function does
not work.
The limit function is not selected.
The limit value has been erroneously
entered.
Check the operation of
the limit function (22 on).
[Add] appears ([
]
and a value flash at
[LO].)
Likely to produce errors in the counting
mode because the sample weight is
insufficient.
Execute the Memory
Update Method (19).
[o-Err] appears before
the capacity is reached.
Gross weight exceeded the capacity of
the balance (weight range = con
weight of sample).
A section of the mechanism is damaged.
Check the total weight.
Execute tare subtraction
again.
Contact our Technical
Service Division or your
local dealer.
[u-Err] is displayed.
A foreign object is caught between the
measuring pan (pan base) and the balance.
A section of the mechanism is damaged.
Remove the measurement
pan and examine the
surface beneath it.
[b-Err] is displayed.
[d-Err] is displayed.
The balance is exposed to static
electricity or noise.
The electrical system of the balance is
malfunctioning.
Contact our Technical
Service Division or your
local dealer.
During span adjustment
(HYPROP BALANCE):
[o-Err] is displayed.
[1-Err] is displayed.
[2-Err] is displayed.
A weight heavier than the capacity was
used.
The reference weight is less than 50% of
the capacity.
Calibration produced an error of 1.0% or
more.
Check that the span
adjustment procedure
was performed correctly
(27).
At span adjustment
(HYPROP
BALANCEH):
[3-Err] is displayed.
[4-Err] is displayed.
Adjustment was performed with
something loaded on the measurement
pan.
Mechanism was damaged for some
reason.
Check correct
span-adjustment
procedure (29).
Consult our service
personnel or your dealer.
During battery
installation:
The indication
disappears.
[
] flashes.
No indication is
produced.
The automatic power-off function was
activated.
The battery capacity is low.
Switch on the power
again. Deactivate the
Automatic power-off
function, if necessary (13).
Recharge the battery (39).
Operate the balance with
the AC adapter.