Event code Event name Description Assumed cause
Level
Reference
Min Obs Info
38A00000 hex Step-out De-
tection/
Magnetic
Pole Position
Detection Er-
ror during
Startup
Step-out of the PM
motor was detected.
Magnetic pole posi-
tion detection failed at
startup.
(1) The characteristics of the
motor are different.
√
page
A-265
(2) The magnetic pole position
detection method is not appro-
priate.
(3) The value of
1st Starting
frequency 1 Holding time
(3004-19 hex) is insufficient.
(4) The starting torque is insuf-
ficient.
(5) The load is small.
(6) There is a phase loss in
the connecting line between
the inverter and the motor
.
38A10000 hex
Speed Mis-
match or Ex-
cessive
Speed Devi-
ation
There is an excessive
speed deviation be-
tween the command
speed and the detect-
ed speed.
(1) There is an incorrect pa-
rameter setting.
√
page
A-267
(2) The load is too large.
(3) The speed does not in-
crease in current limiting oper-
ation.
(4) The parameter settings dif-
fer from the motor characteris-
tics.
(5) Wiring to the motor is in-
correct.
(6) The speed does not in-
crease in torque limiting oper-
ation.
(7) Wiring between the pulse
generator and the option card
is incorrect.
Appendices
A-215
M1 Series EtherCAT Type User’s Manual (I670)
A-5 Sysmac Error Status Codes
A
A-5-1 Error List
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