Safety; Safety Symbols; Qualified Personnel; Safety Precautions - Danfoss VLT FC 280 Operating Manual

VLT® Midi Drive FC 280
Operating Guide

2 Safety

2.1 Safety Symbols

The following symbols are used in this guide:
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

Correct and reliable transport, storage, installation, operation, and maintenance are required for the trouble-free and safe operation
of the drive. Only qualified personnel are allowed to install and operate this equipment.
Qualified personnel are defined as trained staff, who are authorized to install, commission, and maintain equipment, systems, and
circuits in accordance with pertinent laws and regulations. Also, the qualified personnel must be familiar with the instructions and
safety measures described in this manual.

2.3 Safety Precautions

HAZARDOUS VOLTAGE
AC drives contain hazardous voltage when connected to the AC mains or connected on the DC terminals. 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 AC mains, DC supply, or load sharing, the motor may start at any time. Unintended start during
programming, service, or repair work can result in death, serious injury, or property damage. Start the motor with an external
switch, a fieldbus command, an input reference signal from the local control panel (LCP), via remote operation using MCT 10
software, or after a cleared fault condition.
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Disconnect the drive from the mains.
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Press [Off/Reset] on the LCP before programming parameters.
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Ensure that the drive is fully wired and assembled when it is connected to AC mains, DC supply, or load sharing.
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Safety