Operation
8
When carrying out any work, carefully observe the information provided in Chapter "Safety
instructions".
8.1 Safety instructions for operation
Danger due to high voltages
High voltages are present both during operation and also after the device has been switched
off. When touched, these voltages can lead to death or severe injury.
● Ensure that no voltage is present when the doors of the power unit are open.
● Always keep the doors closed in operation.
Danger if operated in spite of faults
Operation with an active fault can result in death, severe injury and significant material damage.
● Observe the fault and alarm messages.
● Eliminate the source of the fault. Only then commission the device. You can find further
information on alarms and faults in the section "Indicating and rectifying faults."
● If it is not possible to correct a fault, inform the manufacturer's service personnel
immediately. For additional information, see Chapter "Service & support".
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 aftereffects all the way 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
eliminate the source of the ground fault.
● The company operating the plant or system is responsible for the consequences when the
device is still operated after a ground fault has been identified. Carry out a risk analysis.
SINAMICS PERFECT HARMONY GH150 6SL38253AE412AA1-Z
Operating Instructions Rev.201910281231 EXAMPLE 95
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