Siemens SINUMERIK 808D ADVANCED Diagnostic Manual page 535

SINAMICS V70 faults and alarms
7.1 Overview
Differences between faults and alarms
The differences between faults and alarms are as follows:
Type
Faults
Alarms
Fault reactions
The following fault reactions are defined:
Diagnostics Manual
Diagnostics Manual, 06/2015, 6FC5398-6DP10-0BA2
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.
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.
Reaction
NONE
OFF1
OFF2
OFF3
ENCODER
Description
No reaction when a fault occurs.
Servo motor ramps down to stop.
Servo motor coasts down to stop.
Servo motor stops quickly (emergency stop).
Encoder fault causes OFF2.
Description
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