VHF N4 Impression - About this Document; Used Symbols; Structure of Safety Notes; General Safety Instructions and Operating

About this document
4
Original instructions: N4 Impression
Document version: H – 05/2019
1 About this document
1.1 Used symbols
Instructions
 Prerequisite
h General instruction
M Specicmanual action
S Specicactioninthesoftware
 Result
Additional symbols
 Cross reference

List
b
Additional information
n
Important instructions without any danger for people
or objects.
Þ
Informationtomakeworkmoreecient.
1.2 Structure of safety notes
CAUTION
Type and source of hazard
Further explanations and consequences when ignoring the
hazard.
h Instructions to avoid hazards.
The following signal words may occur in this document:
DANGER
DANGER indicates a hazardous situation which will result in
death or serious injury.
WARNING
WARNING indicates a hazardous situation which can result in
death or serious injury.
CAUTION
CAUTION indicates a hazardous situation which can result in
minor or moderate injury.
NOTICE
NOTICE indicates a situation which can lead to material dam-
age of the product or in the surrounding areas(s).
2 General safety instructions and
operating regulations
2.1 General safety instructions
DANGER
Incorrect operation of the machine
h Before installing, maintaining and operating
the machine, read all documents provided with
the machine.
h If it is unclear how to operate the machine in
any way, do not use the machine and contact
customer service.
h Ensure that every user has access to the operating in
-
structions.
h Instruct every user on safe and proper machine handling.
Danger to life due to an electric shock
If you come into contact with electrically charged
parts,youcansuerfromanelectricshock.Water
increasestherisksignicantly.
h Do not remove the housing of the machine.
h Only have qualied electricians work on any electric
equipment.
h Ensure that an operational Residual Current De
-
vice
/ Ground Fault Circuit Interrupter is installed on the
electric circuit of the machine.
h Run power cables so that they cannot be damaged by
sharp edges.
h Before switching on the machine, check power cables
for damage.
h Beforeunpluggingthepowercable,switchothema
-
chine at the main power switch.
h In the following cases disconnect the machine
from the electrical source immediately and pre
-
vent it from being restarted:

When machine connections or electric cables are
damaged

When liquid is leaking

Before you check or run electric cables
h Replace damaged cables with original manufacturer’s
spare parts.
h Never perform any troubleshooting while the machine
is operating.
h Only have authorized service technicians repair the ma
-
chine.
h Do not touch the machine and especially the cables with
wet or damp hands.
