5
! Opening the instrument
CAUTION: DANGER TO LIFE!
– Working on the instrument when it is
switched on can be dangerous to life.
Disconnect the instrument from the
supply voltage! When removing covers
of parts by means of tools, live parts or
terminals may be exposed. Capacitors in
the unit may still be charged even after
disconnecting the unit from all voltage
sources.
– As the unit has no power switch, to
completely remove AC power from the
unit, disconnect the AC power cable
from the mains socket.
– Do not expose the scale unnecessarily to
aggressive chemical vapors or to
extreme temperatures,
moisture, shocks, or vibration.
– Avoid exposing the scale to static elec-
tricity; be sure to connect the equipo-
tential bonding conductor to the junc-
tion box.
Repair and maintenance
– Repairs are subject to checking and can
be carried out only at Sartorius. In case
of defect or functional trouble, please
contact your local Sartorius dealer for
repair. When returning the instrument
for repair, an exact and complete fault
description must be supplied.
Only a trained technician aware of the
hazards involved may carry out mainte-
nance work, during which the relevant
precautions must be taken.
Important note:
– Make sure that the construction of the
instrument is not altered to the detri-
ment of safety. In particular, leakage
paths, air gaps (of live parts) and insu-
lating layers must not be reduced.
The manufacturer cannot be held
responsible for personal injury or dam-
age caused by an instrument repaired
incorrectly by user or installer.
– Only authorized service technicians who
have been trained by Sartorius and who
follow Sartorius’s standard operating
procedures for maintenance and repair
may open the scale. If you see any indi-
cation that the scale cannot be operated
safely (for example, because of equip-
ment damage), turn off the scale and
lock it in a secure place so that it can-
not be used for the time being.
– If you use suction lifting equipment to
lift the load plate, always wear gloves,
hard-toed safety boots and protective
clothing. Warning: This procedure can
cause personal injury! Only reliable
personnel who are qualified to perform
such work are allowed to use suction
lifting equipment.
– Always make sure the scale is discon-
nected from AC power before perform-
ing any installation,
cleaning, maintenance or repair work.
– Check the pin assignment if you use
cables purchased from a different man-
ufacturer. Before connecting such a
cable to Sartorius equipment, check the
pin assignment on the corresponding
wiring diagram or chart and disconnect
any wires that are assigned differently
from those specified by Sartorius.
The operator shall be solely responsible
for any damage or injuries that may
occur when using cables not supplied
by Sartorius.
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