2. Zero state is not stable.
Reason: a. It is affected by environment such as vibration, or magnetic field interference, or wind.
b. Weighing circuit is affected with damp.
Treatment: a. Remove interference.
b. Change main board.
c. If the problem can‟t be resolved. Return the whole scale to our company to repair.
3. The scale can‟t weigh.
Reason: Main board or OP board or sensor is bad.
Treatment: a. Change main board.
b. Check whether OP board is abnormal. Return the whole scale to our company.
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