Troubleshooting - KERN 1500-2M Operating Instruction

12 Trouble shooting
No indication.
The weighing display changes
constantly.
Error messages
o-Err
b-Err
u-Err
1-Err
2-Err
3-Err
4-Err
CAL. OFF
If other error messages occur, turn the balance off and on again. The weighing result
is obviously wrong.
If the error message still appears, please contact KERN.
EW-BA-defsi-0620
The balance is not turned on.
The mains connection does not
function (the cable is not connected,
the cable is defective).
The mains supply has broken down.
Air movements
Vibrations of the table or the floor.
The pan is in contact with an alien
element.
The adjusting is no longer correct.
The temperature varies strongly.
The weighing range is exceeded.
Electronic error caused by
electrostatic field. Check
environment. If necessary, choose
another location.
The weighing pan does not lie on the
pan support.
Wrong adjusting weight (too light).
The adjusting weight is too incorrect.
At the beginning of the adjusting, a
weight is on the balance.
Grave error.
Error message only with models
having an internal adjusting weight.
The adjusting switch (right) is not in
the "WEIGH" position.
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