SINAMICS V70 faults and alarms
7
7.1
Overview
Differences between faults and alarms
The differences between faults and alarms are as follows:
Type
Description
Faults
What happens when a fault occurs?
● If the servo motor is running, it stops running.
● If the servo motor is not running, it cannot run.
How to eliminate a fault?
● Remove the cause of the fault.
● Acknowledge the fault.
Alarms
What happens when an alarm occurs?
● The servo motor can run normally.
How to eliminate an alarm?
● The alarm acknowledges itself. If the cause of the alarm is no longer present, it automatically
resets itself.
Fault reactions
The following fault reactions are defined:
Reaction
Description
NONE
No reaction when a fault occurs.
OFF1
Servo motor ramps down to stop.
OFF2
Servo motor coasts down to stop.
OFF3
Servo motor stops quickly (emergency stop).
ENCODER
Encoder fault causes OFF2.
Diagnostics Manual
Diagnostics Manual, 06/2015, 6FC5398-6DP10-0BA2
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