4 Faults and alarms
4.1 Overview of faults and alarms
SINAMICS DCM
858 List Manual (LH8), 02/2015, 6RX1800-0ED76
4.1 Overview of faults and alarms
4.1.1 General information on faults and alarms
Fault/alarm displays
In the case of a fault, the drive signals the corresponding fault(s) and/or alarm(s).
The following methods are available for displaying faults and alarms:
• Display via the fault and alarm buffer for PROFIBUS.
• In online operation, display via the commissioning software.
Differences between faults and alarms
The differences between faults and alarms are as follows:
Table 4-1 Differences between faults and alarms
Type Description
Faults What happens when a fault occurs?
• The appropriate fault reaction is initiated.
• Status signal ZSW1.3 is set.
• The fault is entered into the fault buffer.
How are faults removed?
• Remove the original cause of the fault.
• Acknowledge the fault.
Alarms What happens when an alarm occurs?
• Status signal ZSW1.7 is set.
• The alarm is entered into the alarm buffer.
How are alarms removed?
• Alarms acknowledge themselves. If the cause of the alarm is no longer
present, they automatically reset themselves.
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