74
21 Troubleshooting
* Parentheses contain a page to refer to.
Symptom Cause Measures
to
Take
No display
The AC adapter is not connected.
→
Ensure that the AC adapter is
connected.
The display is
unstable.
The display takes time
to be stabilized.
The display does not
move with the M sign
flashing.
The balance is influenced by wind
or vibration.
The balance is placed on an
unstable base.
The pan, tare, or sample put on
the balance is in contact with an
external object.
→
Read Precautions Relating to
Use (pages 3 to 6).
Adjust the response using the
single-touch response setting
function (page 12).
Weight indication
contains an error.
The display error is caused
because the balance has not been
used for a long period of time or
has been relocated to another
location.
The adjusters are not settled, and
the balance is not kept horizontal.
The tare weight is set or not.
→
Perform span adjustment of
the balance (page 44).
→
Check that the balance is kept
horizontal (page 10).
→
Set the tare range correctly.
The balance cannot be
calibrated.
(An error message
appears.)
The balance is affected by wind or
vibration.
There is large weight error for the
external reference weights.
Mechanical parts have failed.
→
Check how to calibrate the
balance before performing
calibration. Refer to Hints on
page 46.
[o-Err] is displayed.
The measured weight exceeds
the weighing capacity.
(Measurable range = Weight of
con Weight of samples)
Mechanical parts fail.
→
Check the total weight.
→
Change the container.
[u-Err] is displayed.
The pan or pan base is removed.
Mechanical parts have failed.
→
Install the pan and pan base
properly.
[C2-Err] is displayed.
The backup battery to power the
clock has run out.
→
Reset the date and time.
If an error message appears
frequently, contact the local
dealer from whom the balance
was purchased.
[b-Err] is displayed.
[d-Err] is displayed.
The balance is influenced by static
electricity or noise.
The electric components of the
balance have failed.
→
Contact our local dealer.
[A-Err] is displayed.
The built-in weight or drive unit has
failed.
→
Contact our local dealer.