3 Error Tables
3-120
NJ-series Troubleshooting Manual (W503)
84B20000 hex EtherCAT
Illegal State
Change Error
An undefined com-
munications state
change command
was received.
• An undefined communications
state change command was
received.
S Cylinder-type
Motor Manual
(Cat. No. I576)
and Linear
Motor Manual
(Cat. No. I577)
84B30000 hex Communica-
tions Syn-
chronization
Error
The number of con-
secutive errors in
receiving data dur-
ing the communica-
tion sync time
exceeded the value
specified for the
Communications
Error Setting (2200
hex).
• Power to the host controller was
interrupted during PDO com-
munications.
• An EtherCAT communications
cable is disconnected, broken,
or incorrectly connected.
• Noise
S Same as
above.
84B40000 hex Synchroniza-
tion Error
A synchronization
error occurred.
• Noise
• Control PCB error
S Same as
above.
84B50000 hex Sync Man-
ager WDT
Error
PDO communica-
tions were stopped
for more than the
specified period of
time.
• The EtherCAT communications
cable is disconnected or bro-
ken.
• There is an error in the host
controller.
S Same as
above.
84B60000 hex ESC Initial-
ization Error
An error occurred in
ESC initialization.
• Control PCB error S Same as
above.
84B70000 hex Slave Unit
Verification
Error
An error occurred in
Slave Unit verifica-
tion.
• Control PCB error S Same as
above.
84B80000 hex Communica-
tions Setting
Error
There is an error in
the communica-
tions settings.
• An out-of-range value was set
from the host controller.
• A command that changes the
communications state to an
unsupported state was
received.
S Same as
above.
84B90000 hex Synchroniza-
tion Interrup-
tion Error
A synchronization
interruption error
occurred.
• Control PCB error S Same as
above.
98010000 hex Absolute
Value
Cleared
T
he multi-rotation
counter for th
e
absolute encoder
was cleared during
USB communica-
tions by the CX-
Drive.
• The multi-rotation counter for
the absolute encoder was
cleared during USB communi-
cations by the CX-Drive.
S Cylinder-type
Motor Manual
(Cat. No. I576)
98020000 hex Position Data
Initialized
A Config operation
was performed or
the multi-rotation
counter was
cleared for the
absolute encoder
during EtherCAT
communications.
• A Config operation was per-
formed during EtherCAT com-
munications.
• The multi-rotation counter was
cleared for the absolute
encoder. (This applies only to
Cylinder-type Servomotors.)
S Cylinder-type
Motor Manual
(Cat. No. I576)
and Linear
Motor Manual
(Cat. No. I577)
08010000 hex Battery
Warning
The battery voltage
is 3.2 V or less.
• The battery voltage is 3.2 V or
lower.
S Cylinder-type
Motor Manual
(Cat. No. I576)
08020000 hex Fan Warning The fan stop state
continued for 1 sec-
ond.
• There is foreign matter in the
fan.
• The Servo Drive failed.
S Cylinder-type
Motor Manual
(Cat. No. I576)
and Linear
Motor Manual
(Cat. No. I577)
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
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