A&D MC Series Instruction Manual page 58

Display Error code
(CHECK NG)
(CHECK NO)
Description
Overload error
A sample beyond the balance weighing capacity has
been placed on the pan.
Remove the sample from the pan.
Weighing pan Error
The weight value is too light.
Confirm that the weighing pan is properly installed and
calibrate the balance.
Sample mass error
The balance can not store the sample for the counting
mode or for the percent mode because it is too light.
Use a larger sample.
Unit mass error
The sample unit mass for the counting mode is too
light. Storing and using it for counting will cause a
counting error.
Add samples to reach the specified number and press
the PRINT key.
Pressing the PRINT key without adding samples will
shift the balance to the counting mode. But, for
accurate counting, be sure to add samples.
Automatic response adjustment zero error
The automatic response adjustment can not be
performed because there is something on the pan.
Clear the pan. Press the CAL key to return to the
weighing mode.
Automatic response adjustment unstable error
The automatic response adjustment can not be
performed because the weight value is unstable.
Check the ambient conditions such as breeze,
vibration and magnetic fields, also check the weighing
pan. Press the CAL key to return to the weighing mode.
Internal error
Indicates an internal error as the result of the self-check
function.
Repair is required. Contact the local A&D dealer.
Clock battery error
The clock backup battery has been depleted.
Press any key and set the time and date. The clock and
calendar function works normally as long as the AC
adapter is connected to the balance. If this error appears
frequently, contact the local A&D dealer.
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