Siemens SINAMICS PERFECT HARMONY GH150 Operating Instructions Manual page 85

Operation
When carrying out any work, carefully observe the information provided in Chapter "Safety
instructions (Page 15)".
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 6SL3825
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.
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