Event code Event name Description Assumed cause
Level
Reference
Min Obs Info
183D0000 hex EEPROM Er-
ror
A data write error, etc.
occurred.
(1) The power supply was
turned OFF when parameter
data is written (especially dur-
ing initialization or data copy-
ing), causing the control power
supply voltage to drop.
√
page
A-257
(2) Strong ambient noise was
received when parameter data
is written (especially during ini-
tialization).
(3) An error occurred in the
control circuit.
(4) The power supply was
turned OFF when saving user
set values by User
preference dataset
Registration (3020-5E hex),
causing the control power sup-
ply voltage to drop.
(5) Strong ambient noise was
received when saving user set
values by User preference
dataset Registration
(3020-5E hex).
28110000 hex Operator
Communica-
tions Error
An error occurred in
communications be-
tween the operator
and the inverter
.
(1) The communications cable
is broken or has a contact fail-
ure.
√
page
A-258
(2) The surface cover is not
securely attached due to many
control wires, causing the op-
erator to be raised.
(3) Strong ambient noise was
received.
(4) The operator is faulty
.
183E0000 hex CPU Error A CPU error such as
runaway occurred.
(1) Strong ambient noise was
received.
√
page
A-259
389D0000 hex Operation
Error
Incorrect operation
was performed with-
out following the oper-
ating instructions.
(1) The forced stop signal
ST
OP (digital input terminal)
was turned OFF.
√
page
A-260
(2) The brake check signal
BRKE and the brake signal
BRKS mismatch.
Appendices
A-213
M1 Series EtherCAT Type User’s Manual (I670)
A-5 Sysmac Error Status Codes
A
A-5-1 Error List
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