KERN PBJ 420-3M User Manual

PBS/PBJ-BA-e-1718 76
Fault finding Procedures:
Symptom
Possible cause
Remedy
Display is empty.
• Mains adapter is not connected.
• The room mains circuit-breaker is
switched off.
• Incorrect voltage.
Check mains voltage and
connect the mains adapter
correctly.
„OL” or „-OL” display
The transport screws are not locked.
Turn the screws anticlockwise
until they are locked.
Pads of the scale pan not installed.
Install pads of the scale pan.
To large weight on the scale pan.
Use the weight within its capacity.
The display does not
react after putting a
weight on the scale
pan.
The weighing pan is displaced.
Place the weighing pan correctly.
The display
fluctuates.
Influence of vibrations or air flow.
Place the weight at the suitable
location.
Try to change environment
settings.
Protective shield is touching the
scale pan.
Install the shield on the main unit
of the balance.
Incorrect weighing
result.
Calibration of the measuring range is
not effective.
Calibrate the balance correctly
Taring is not effective.
Tare the balance before
weighing.
The balance does not
display the required
unit.
The unit has not been set.
First set the unit.
Selection of the menu
element is rejected.
Menu lock ACTIVATED.
Remove the menu lock

KERN PBJ 420-3M Specifications

General

Brand	KERN
Model	PBJ 420-3M
Category	Scales
Language	English