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8. TROUBLESHOOTING
Alarm No.: A.F0
Name: Tough drive warning
The operation does not stop.
Warning contents
Switched to "during tough drive" status.
Detailed
display
Detailed
Name
Cause
Checking method
Result
Action
F0.1
Instantaneous
power failure
tough drive
warning
1) An instantaneous power
failure in the main circuit
power supply was
detected.
Check the main circuit power supply.
F0.2
Overload
tough drive
warning
1) Effective load ratio
exceeded 90% the alarm
level of the overload
alarm.
Measure the effective
load ratio in the
continuous operation.
The effective load is
over the overload
warning level.
Reduce the load.
F0.3
Vibration
tough drive
warning
1) The reconfiguration of
machine resonance
suppression filter 1 or
machine resonance
suppression filter 2
occurred due to the
machine resonance.
Check the alarm
history.
Vibration tough
drive warning (F0.3)
occurs
consecutively.
Adjust the servo gain by
the auto tuning 1 or the
one-touch tuning.
Lower the response.