KERN PBS Serie Betriebsanleitung Seite 150

Fault finding Procedures:
Symptom
Display is empty.
„OL" or „-OL" display
The display does not
react after putting a
weight on the scale
pan.
The display
fluctuates.
Incorrect weighing
result.
The balance does not
display the required
unit.
Selection of the menu
element is rejected.
75
Possible cause
• Mains adapter is not connected.
• The room mains circuit-breaker is
switched off.
• Incorrect voltage.
The transport screws are not locked.
Pads of the scale pan not installed.
To large weight on the scale pan.
The weighing pan is displaced.
Influence of vibrations or air flow.
Protective shield is touching the
scale pan.
Calibration of the measuring range is
not effective.
Taring is not effective.
The unit has not been set.
Menu lock ACTIVATED.
Remedy
Check mains voltage and
connect the mains adapter
correctly.
Turn the screws anticlockwise
until they are locked.
Install pads of the scale pan.
Use the weight within its capacity.
Place the weighing pan correctly.
Place the weight at the suitable
location.
Try to change environment
settings.
Install the shield on the main unit
of the balance.
Calibrate the balance correctly
Tare the balance before
weighing.
First set the unit.
Remove the menu lock
PBS/PBJ-BA-def-2319