A&D Weighing HR-202i - Manual (Page 52)

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14. Maintenance
14.1. Treatment of the Balance
Clean the balance with a lint free cloth that is moistened with warm water and a mild
detergent.
Do not use organic solvents to clean the balance.
Do not disassemble the balance. Contact the local A&D dealer if the balance needs
service or repair.
Use the original packing material for transportation.
Consider section "3. Precautions" for using the balance.
14.2.
Error Codes
Display Error code Description
EC,E11
Stability error
The balance can not stabilize due to an environmental
problem. Check around the pan. Prevent vibration, drafts,
temperature changes, static electricity and magnetic fields,
from influencing the balance.
To return to the weighing mode, press the
CAL key.
EC,E20
Calibration weight error
The calibration weight is too heavy. Confirm the calibration
weight value. Press the
CAL key to return to the weighing
mode.
EC,E21
Calibration weight error
The calibration weight is too light. Confirm the calibration
weight value. Press the
CAL key to return to the weighing
mode.
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.