Event code Event name Description Assumed cause
Level
Reference
Min Obs Info
088B0000 hex Inrush Cur-
rent Preven-
tion Circuit
Error
An error was detected
in the inrush current
prevention circuit.
(1) The inrush current preven-
tion circuit is faulty.
√
page
A-247
68430000 hex
External Trip An external trip signal
(EXT) was input.
(1) An alarm function is acti-
vated on an external device.
√
page
A-248
(2) There is an incorrect con-
nection or contact failure on
the external trip wiring.
(3) There is an incorrect pa-
rameter setting.
08850000 hex Breaking
T
ransistor
Error
An abnormal opera-
tion was detected in
the braking transistor.
(1) The braking resistor con-
nection terminals are incor-
rectly wired.
√
page
A-249
(2) The braking transistor is
damaged.
389C0000 hex
Overspeed The motor rotated at
excessive speed.
(1) There is an incorrect pa-
rameter setting.
√
page
A-250
(2) The gain of the speed con-
troller is insuf
ficient.
(3) Noise is superimposed on
the PG signal.
(4) The output frequency
, mo-
tor rotation speed, exceeded
590 Hz.
08860000 hex 1st Motor
Overload
Protection
Motor 1 is overloaded. (1) The characteristics of the
electronic thermal and the
overload characteristics of the
motor do not match.
√
page
A-252
(2) The operation level of the
electronic thermal is not ap-
propriate.
(3) The acceleration/decelera-
tion time is short.
(4) The load is large.
(5) The value of T
orque
Boost V
oltage (3004-0A hex,
3009-06 hex) is too high.
Appendices
A-211
M1 Series EtherCAT Type User’s Manual (I670)
A-5 Sysmac Error Status Codes
A
A-5-1 Error List
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