Kett FD-720, Руководство по эксплуатации

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11. Error Messages
If any of the following error messages are displayed, follow the procedures described below to
check for the cause of the error and take appropriate action to remove the error.
If the error cannot be removed by following the procedures described below, then you should
contact the vendor from which you purchased the unit or the Kett Tokyo sales office or a local Kett
office or sales office for assistance.
Action to be taken
Remove the scale stopper located under the sample dish panel.
(See item
3
in “6. Assembly and Installation of Main Unit” on p.
14 for instructions.)
The minimum sample weight which can be used with this product
is a weight of 0.5 grams. Try measuring again using a sample of
at least 0.5 grams in weight. Press the
key to make the
error message disappear.
The maximum sample weight which can be used with this
product is a weight of 120 grams. Try measuring again using a
sample of less than 120 grams in weight. Press the
key
to make the error message disappear.
This error is displayed when a sample is added during
measurement. Press the
key to make the error message
disappear.
Press the key to make the error message disappear.
Press the key to make the error message disappear.
Turn off the power and then turn the power back on again.
Use a calibration weight of the correct weight.
Press the
key to make the error message disappear.
Perform calibration again with the unit placed on a flat, stable surface
not subject to the effects of external vibration, drafts, or breezes.
Press the
key to make the error message disappear.
Turn the power to the unit off, check to make sure that the power
conversion switch located on the back of the unit is set to the
correct position, and then turn the power back on again.
Message
ER102
ER103
ER104
ER201
ER202
ER306
ER401
ER501
ER502
ER701
Description
The scale stopper located below
the sample dish panel has not
been removed.
The sample is too light (i.e.,
under 0.5 grams).
The sample is too heavy (i.e.,
over 120 grams).
Invalid moisture content value
(Occurs when weight increases
by more than 0.1 grams)
Invalid moisture content value
(Occurs when weight being
measured is less than –1 grams)
Heater lid open
Internal weight measuring unit
communications error
Invalid weight used during scale
calibration
Instability encountered during
scale calibration
Power error