Safety; Safety Symbols; Qualified Personnel; Safety Precautions - Danfoss VLT Micro Drive FC 51 Operating Manual

VLT® Micro Drive FC 51
Operating Guide

2 Safety

2.1 Safety Symbols

The following symbols are used in this manual:
Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
Indicates information considered important, but not hazard-related (for example, messages relating to property damage).

2.2 Qualified Personnel

To allow trouble-free and safe operation of the unit, only qualified personnel with proven skills are allowed to transport, store, as-
semble, install, program, commission, maintain, and decommission this equipment.
Persons with proven skills:
• Are qualified electrical engineers, or persons who have received training from qualified electrical engineers and are suitably ex-
perienced to operate devices, systems, plant, and machinery in accordance with pertinent laws and regulations.
• Are familiar with the basic regulations concerning health and safety/accident prevention.
• Have read and understood the safety guidelines given in all manuals provided with the unit, especially the instructions given in
the Operating Guide.
• Have good knowledge of the generic and specialist standards applicable to the specific application.

2.3 Safety Precautions

HIGH VOLTAGE
AC drives contain high voltage when connected to AC mains input, DC supply, or load sharing. Failure to perform installation,
start-up, and maintenance by qualified personnel can result in death or serious injury.
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Only qualified personnel must perform installation, start-up, and maintenance.
UNINTENDED START
When the drive is connected to the AC mains, DC supply, or load sharing, the motor may start at any time, causing risk of death,
serious injury, and equipment or property damage. The motor may start by activation of an external switch, a fieldbus command,
an input reference signal from the LCP or LOP, via remote operation using MCT 10 Set-up software, or after a cleared fault condi-
tion.
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Press [Off] on the LCP before programming parameters.
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Disconnect the drive from the mains whenever personal safety considerations make it necessary to avoid unintended motor
start.
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Check that the drive, motor, and any driven equipment are in operational readiness.
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Safety