Protective and Diagnostic Functions
6-15
6
Er - 13
Leakage Induc-
tance Fault
Leakage Inductance Fault
Auto-tuning was not completed in
the specified time.
Check motor wiring.
Auto-tuning result is outside the
parameter setting range.
End - 1
V/f Over Setting
V/f Settings Alarm
Displayed after auto-tuning is
complete
The torque reference exceeded
100% and the no-load current
exceeded 70% during auto-tun-
ing.
Check and correct the motor
settings
If the motor and the machine
are connected, disconnect the
motor from the machine.
End - 2
Saturation
Motor Core Saturation Fault
Displayed after auto-tuning is
complete.
Detected only for rotating auto-
tunig
During auto-tuning, the measured
values of motor iron-core satura-
tion coefficient 1 and 2 (E2-07
and E2-08) exceeded its setting
range. A temporary value was set:
E2-07 = 0.75, E2-08 = 0.50
Check the input data.
Check the motor wiring.
If the motor and the machine
are connected, disconnect the
motor from the machine.
End - 3
Rated FLA Alm
Rated Current Setting Alarm
Displayed after auto-tuning is
complete
During auto-tuning, the measured
value of motor rated current
(E2-01) was greater than the set
value.
Check the motor rated current
value.
Table 6.4 Auto-tuning Fault
Display Meaning Probable causes Corrective Actions
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