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2 - Fagor Automation

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Precautions during repairs<br />

Do not access the inside of this unit.<br />

Only personnel authorized by <strong>Fagor</strong> <strong>Automation</strong> may access the interior of this unit.<br />

Do not handle the connectors while the unit is connected to mains.<br />

Before handling the connectors (mains, moving power, feedback, ...) make sure that the unit is not<br />

connected to mains.<br />

Precautions during maintenance<br />

Useful life (mission) of the STO safety function.<br />

The useful life (mission) of the STO safety function is 20 years. After that time, the safety function<br />

will no longer be valid. The expiration date must be calculated by adding 20 years to the date<br />

shown on the version label of the unit. Write down this value in the maintenance plan of the installation.<br />

Do not use the safety function after that date.<br />

Safety symbols<br />

Symbols that may appear in this manual<br />

i<br />

DANGER or prohibition symbol.<br />

It warns about an immediate dangerous situation. Ignoring this warning may cause<br />

serious, even fatal, consequences.<br />

WARNING or caution symbol.<br />

It warns about a potentially dangerous situation. Ignoring this warning may cause serious<br />

injuries (even fatal) or damages to the unit.<br />

MANDATORY symbol.<br />

It warns about actions and operations that MUST BE carried out. In other words,<br />

THEY ARE NOT PLAIN RECOMMENDATIONS. Ignoring this warning may mean not<br />

complying with some safety regulation.<br />

INFORMATION symbol.<br />

Notes, warnings, advises and recommendations.<br />

Symbols that the product may carry<br />

Ground protection symbol.<br />

It indicates that point must be under voltage.<br />

DDS<br />

HARDWARE<br />

Ref.1307<br />

21

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