3 Error Tables
3-122
NJ-series Troubleshooting Manual (W503)
74800000 hex Command
Warning
A command could
not be executed.
• The absolute multi-rotation
counter was cleared when the
Servo was not OFF when using
an absolute encoder for semi-
closed control (This applies
only to Cylinder-type Servomo-
tors.).
• A forced brake operation
request was sent while the
Servo was ON.
• A Switch ON command was
sent when the main power was
OFF. (When 3508 hex = 0)
• An Enable Operation com-
mand was sent to request turn-
ing ON the Servo when the
Servomotor was operating at
30 r/min or 30 mm/s, or higher.
• A latch operation was started
under the following conditions.
• An absolute external encoder
was used and phase Z was
selected as the trigger for
fully-closed control (This
applies only to Cylinder-type
Servomotors.).
• The absolute multi-rotation
data was being cleared or the
Config operation was being
performed.
• The Statusword (6041 hex)
bit 09 (remote) was 0 (local).
• An operation command is given
in the prohibited direction after
the motor made an immediate
stop due to a drive prohibition
input.
S Cylinder-type
Motor Manual
(Cat. No. I576)
and Linear
Motor Manual
(Cat. No. I577)
84B00000 hex EtherCAT
Communica-
tions Warn-
ing
An EtherCAT com-
munications error
occurred one or
more times.
• The EtherCAT communications
cable is disconnected or bro-
ken.
• Noise
S Same as
above.
MX2/RX-series Inverters with EtherCAT Communications Units
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
04A10000 hex Non-volatile
Memory
Hardware
Error
An error occurred in
non-volatile mem-
ory.
• Non-volatile memory failure S MX2/RX
Series Inverter
EtherCAT
Communica-
tion Unit
User’s Manual
(Cat. No. I574)
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
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