31
11. 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
[
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).
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 (29).
→
Operate the balance with
the AC adapter.
Summary of Contents for TC-1200
Page 2: ......
Page 25: ...Key Points of the Procedure 22...
