Gram FV 120 Serie Manual De Utilización página 20

Problem
Displayed value is unstable.
Causation
- Bad working environment.
- The door of the chamber is not close properly.
- There is an objet or a crash between the pan and the shell.
- Unstable power supply exceed the limit.
- The object weighed is unstable (evaporation or absorpion of moisture).
Solution
- Improve working condition to avoid vibration or breeze.
- Close the door properly.
- Remove the objet and rotate the pan to avoid the crash.
- Connect an external AC main stabilizer.
Problem
There is a big error between the actual value and displayed value.
Causation
- The balance is not calibrated.
- The display is not tared before weighing.
- The balance is not properly leveled.
Solution
- Calibrate the balance.
- Press the
- Level de balance by turning the adjusting feed.
20
key to zero the display.