Error Messages, Troubleshooting Guide - KERN AES Operation Manual

17 Error messages, troubleshooting guide

In case of an error in the program process, briefly turn off the balance and discon-
nect from power supply. The weighing process must then be restarted from the be-
ginning.
Fault
The displayed weight does
not glow.
The displayed weight is
permanently changing
The weighing result is obvi-
ously incorrect
Error message
o-Err
u-Err
b-Err
d-Err
A-Err
Should other error messages occur, switch balance off and then on again. If the
error message remains inform dealer.
AES/AEJ-BA-e-0912
Possible cause
• The balance is not switched on.
• The mains supply connection has been interrupted
(mains cable not plugged in/faulty).
• Power supply interrupted.
• Draught/air movement
• Table/floor vibrations
• The weighing plate is in contact with foreign matter.
• Electromagnetic fields / static charging
(choose different location/switch off interfering de-
vice if possible)
• The display of the balance is not at zero
• Adjustment is no longer correct.
• Great fluctuations in temperature.
• Electromagnetic fields / static charging (choose
different location/switch off interfering device if pos-
sible)
Possible cause
• Weighing range exceeded
• Insufficient preload, e. g. missing weighing pan
• Check ambient conditions (draught, vibrations etc.)
• Damaged electronics
• Internal adjustment automatics defective
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