KERN & SOHN ABJ 320-4NM - Manual (Page 95)

ABS-N_ABJ-NM-BA-e-1312 95
17.2 Service, maintenance
The appliance may only be opened by trained service technicians who are
authorized by KERN. Before opening, disconnect from power supply.
17.3 Disposal
Disposal of packaging and appliance must be carried out by operator according to
valid national or regional law of the location where the appliance is used.
18 Instant help
Possible causes of errors:
In case of an error in the program process, briefly turn off the balance and
disconnect from power supply. The weighing process must then be restarted from
the beginning.
Fault Possible cause
The displayed weight does
not appear
• The balance is not switched on.
• The mains supply connection has been interrupted
(mains cable not plugged in/faulty).
• Power supply interrupted.
The displayed weight is
permanently changing
• Draught/air movement
• Glass doors not closed
• Table/floor vibrations
• Weighing plate has contact with other objects.
• Electromagnetic fields / static charging (choose
different location/switch off interfering device if
possible)
The weighing result is
obviously incorrect
• The display of the balance is not at zero
• Adjustment is no longer correct.
• The balance is on an uneven surface.
• Great fluctuations in temperature.
• Electromagnetic fields / static charging (choose
different location/switch off interfering device if
possible)
The desired weighing unit
cannot be called by UNIT
key.
• Unit was not activated beforehand.
Automatic adjustment
carried out frequently.
• Severe temperature variations in the room or the
instrument
No data transfer between
printer and balance.
• Communication settings are wrong.
The menu settings cannot
be changed.
• The menu is locked Remove the menu lock.