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Operation
When carrying out any work, carefully observe the information provided in Chapter "Safety
instructions (Page 13)".
8.1
Safety instructions for operation
Electric shock caused by a high voltages
High voltages are present both during operation and also after the device has been switched
off. Touching live parts can result in death or serious injury.
● Ensure that no voltage is present when the doors of the power unit are open.
● Do not open the doors during operation.
Danger when operating the converter that has a fault condition
Operating a converter where a fault has been identified can result in death, severe injury and
significant material damage.
● Strictly observe all fault and alarm messages.
● Rectify the fault cause. Only switch on the converter again after the cause of fault has been
● If it is not possible to simply rectify a fault, inform the manufacturer's service personnel
Danger when operating with ground fault
The type and location of the fault cannot be established just from a ground fault error message.
For example, the glow discharge at the winding overhang of the machine may result in a fault
signal. In the event of continued operation, serious follow-on faults up to electric arcs are
possible. This can result in death, serious injury or material damage.
● Immediately switch off the device if a ground fault occurs during operation. Then identify and
● The company operating the plant or system is responsible for the consequences when the
SINAMICS PERFECT HARMONY GH150 6SL3826
Operating Instructions 05/2020
fully rectified. You can find further information on alarms and faults in the section "Indicating
and rectifying faults."
immediately. For additional information, see the "Service & Support" chapter.
eliminate the source of the ground fault.
device is still operated after a ground fault has been identified. Carry out a risk analysis.
8
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