| Problem | Reason/(Correction) |
| Dark display? | -no power to the instrument -defective fuse |
| -OFF- appears in display? | -a temporary power failure has occured -(Press control bar) |
| A broken line appears in upper display? | -the massing range has bee exceeded. -calibration mass is activated. -a mass was on the pan when the instrument was switched on. |
| A broken line appears in lower display? | -pan is not installed. -a mass was on the pan when the instrument was switched on. |
| Fluctuation in reading? | -air currents. (Close balance door(s)). -unstable foundation. -(Raise integration time.) -the object being massed is not at room temperature. |
| Mass result is incorrect? | -(Calibrate balance). |
| Only a portion of the display functions? | -a temporary malfunction. (Pull out power cable and plug back in). |
| A blinking broken line appears in middle display? | -unstable foundation and/or air currents. -(Close balance door(s) and/or raise integration time/stability settings). |
| -CAL Err- appears in display? | -mass remained on the pan while entering calibration mode. -(Press and hold control bar down. Returns to massing mode). |
| -CAL- does not appear in display? | -a temporary malfunction. (Recalibrate balance). |
| A zero display does not appear after taring? | -unstable foundation (Close balance door(s) and/or raise integration time/stability detector). |