Safety
Z33119_2_003 9
2.4.1 General Workplace Dangers
WARNING
Danger to life from nonfunctional or insufficient safety devices!
If safety devices are not functioning or are disabled, there is a danger of serious injury or
death.
u Check that all safety devices are fully functional and correctly installed before starting
work.
u Never disable or bypass safety devices.
u Ensure that all safety devices are always accessible.
2.4.2 Dangers from Electric Power
WARNING
Danger of injury from electrical shock!
A life threatening shock may result when the housing is open during operation.
u Only qualified personnel should open the housing.
u Disconnect the device from the electrical power supply before opening the device. Use
a voltmeter to verify that the device is not under power!
u Be sure that the power supply cannot be reconnected without notice.
WARNING
Danger to life from residual electrostatic potentials!
Friction between material being conveyed may result in significant development of
electrostatic potential. Therefore, contact with parts immediately following the conveying
operation may be life-threatening.
u Potential equalisation must be ensured before making contact with parts, unless such
equalisation is provided by the customer.
WARNING
Electrical hazard from electrical shock
Absent or faulty protective earth conductor may result in contact voltage. This may pose a
risk of injury or death.
u Before the initial commissioning of the device, connect the main power supply to the
socket and verify the complete functionality of the protective earth conductor.
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