KERN PLJ-C, Operating Instruction

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20 Servicing, maintenance, disposal
Before any maintenance, cleaning and repair work disconnect the
appliance from the operating voltage.
20.1 Clean
Please do not use aggressive cleaning agents (solvents or similar agents), but a
cloth dampened with mild soap suds. Ensure that no liquid penetrates into the
device. Polish with a dry soft cloth.
Loose residue sample/powder can be removed carefully with a brush or manual
vacuum cleaner.
Spilled weighing goods must be removed immediately.
20.2 Servicing, maintenance

The appliance may only be opened by trained service technicians who are
authorized by KERN.

Ensure that the balance is regularly calibrated, see chap. Monitoring of test
resources.
20.3 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.
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