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2.4
Basic safety information
Knowledge of electrical engineering
Knowledge of electrical engineering is required for
certain tasks. These tasks, which are identified by
the "qualified electrician" symbol, must only be car-
ried out by a qualified electrician.
1 "1.4 Symbols used" [} 3]
People can be seriously injured or killed if work that
requires knowledge of electrical engineering is car-
ried out by electrical laypersons.
u Arrange for work that requires knowledge of
electrical engineering to be carried out only by
a qualified electrician.
u Pay attention to the symbol "Qualified electri-
cian" in this document.
Do not use a damaged product
People can be seriously injured or killed if a dam-
aged device is used.
u Do not use a damaged product.
u Mark a damaged product to ensure that no one
uses it.
u Arrange for a qualified electrician to rectify the
damage without delay.
u Take the product out of service if necessary.
Carry out maintenance properly
Improper maintenance can affect the safety of the
product and cause accidents. This can seriously in-
jure or kill people.
u Carry out maintenance properly.
1 "8.1 Maintenance" [} 42]
Pay attention to supervisory duties
Individuals who are not fully able to assess poten-
tial hazards as well as animals pose a danger to
themselves and others.
u Keep persons at risk away from the product,
e.g. children.
u Keep animals away from the product.
2.5
Safety labels
Safety labels that warn of hazardous situations are
affixed on some of the product components. If the
instructions on the safety labels are not complied
with severe or fatal injuries can occur.
Safety labels
Meaning
Danger ‒ high voltage.
u Prior to working on the product,
ensure that it is de-energised.
Danger if the instructions in the
accompanying documents are not
complied with.
u Read the accompanying docu-
ments before working on the
product.
u Comply with the instructions on the safety la-
bels.
u Keep safety labels legible.
u Replace damaged or illegible safety labels.
u If it is necessary to replace a component on
which a safety sticker is attached, ensure that
the safety sticker is also attached to the new
component. The safety sticker must be attached
later if necessary.
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