Model Compatibility: A&D Analytical and Precision Balances (GF, GX, HR, FX series)
Solution:
The balance detected an invalid calibration mass or excessive environmental interference during the calibration process.
1.) Action: Verify that you are using the exact weight value requested by the balance display (e.g., 100.000g).
2.) Check: Ensure your calibration weight is highly accurate (Class E2 or F1) and is not damaged or severely oxidized.
3.) Procedure: Perform the calibration strictly in a draft-free and vibration-free environment.
4.) Procedure: Ensure the pan is completely empty before pressing the PRINT/ENTER key at the 'CAL 0' step.
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