Event code Event name Description Assumed cause
Level
Reference
Min Obs Info
389E0000 hex Tuning Error The auto-tuning
failed.
(1) There is a phase loss in
the connecting line between
the inverter and the motor.
√
page
A-261
(2) The V/f setting, motor rated
current value, is not correctly
set.
(3) The wire length between
the inverter and the motor is
too long.
(4) There is a significant dif
fer-
ence between the rated ca-
pacity of the inverter and the
capacity of the connected mo-
tor
.
(5) The motor is a high-speed
motor or other special motor.
(6) T
uning operation (Parame-
ter 3007-05 hex = 2) was per-
formed to rotate the motor
while the brake is applied to
the motor.
38A60000 hex
Magnetic
Pole Position
Detection Er-
ror
In synchronous motor
vector control with
sensor, a magnetic
pole position detec-
tion error occurred.
(1) Inverter settings are not
appropriate.
√
page
A-263
(2) There is a problem with the
connection of speed/magnetic
pole position sensor.
(3) The motor rotation direc-
tion does not match the sensor
output.
(4) Strong ambient noise was
received.
Appendices
A-214
M1 Series EtherCAT Type User’s Manual (I670)
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