3-111
3 Error Tables
NJ-series Troubleshooting Manual (W503)
3-1 Errors by Source
3
3-1-8 Errors in EtherCAT Slaves
08090000 hex Encoder
Communica-
tions Error
There is a commu-
nications error for
the encoder.
• The power supply voltage of the
encoder is low.
• Noise
S Cylinder-type
Motor Manual
(Cat. No. I576)
080A0000 hex Encoder
Communica-
tions Data
Error
There is an error in
the communica-
tions data of the
encoder.
• The power supply voltage of the
encoder is low.
• Noise
S Same as
above.
080B0000 hex Safety Input
Error
At least one of the
input photocou-
plers for safety
inputs 1 and 2
turned OFF.
• The cable is disconnected or
broken.
S Cylinder-type
Motor Manual
(Cat. No. I576)
and Linear
Motor Manual
(Cat. No. I577)
080C0000 hex External
Encoder
Connection
Error
A disconnection
was detected
because communi-
cations between the
external encoder
and the Servo Drive
were stopped more
frequently than the
specified value.
• The wiring is incorrect. S Same as
above.
080D0000 hex External
Encoder
Communica-
tions Data
Error
There was a com-
munications error in
data from the exter-
nal encoder.
• There is insufficient external
encoder power supply voltage.
• Noise
S Same as
above.
080E0000 hex External
Encoder Sta-
tus Error 0
Bit 00 of the exter-
nal encoder error
code (ALMC) was
set to 1.
• Bit 00 of the external scale error
code (ALMC) was set to 1.
S Same as
above.
080F0000 hex External
Encoder Sta-
tus Error 1
Bit 01 of the exter-
nal encoder error
code (ALMC) was
set to 1.
• Bit 01 of the external encoder
error code (ALMC) was set to 1.
S Same as
above.
08100000 hex External
Encoder Sta-
tus Error 2
Bit 02 of the exter-
nal encoder error
code (ALMC) was
set to 1.
• Bit 02 of the external encoder
error code (ALMC) was set to 1.
S Same as
above.
08110000 hex External
Encoder Sta-
tus Error 3
Bit 03 of the e
xter-
nal encoder error
code (ALMC
) was
set to 1.
• Bit 03 of the external encoder
error code (ALMC) was set to 1.
S Same as
above.
08120000 hex External
Encoder Sta-
tus Error 4
Bit 04 of the exter-
nal encoder error
code (ALMC) was
set to 1.
• Bit 04 of the external encoder
error code (ALMC) was set to 1.
S Same as
above.
08130000 hex External
Encoder Sta-
tus Error 5
Bit 05 of the exter-
nal encoder error
code (ALMC) was
set to 1.
• Bit 05 of the external encoder
error code (ALMC) was set to 1.
S Same as
above.
08140000 hex Phase-A
Connection
Error
An error such as
broken wiring was
detected in the
external encoder
phase-A connec-
tion.
• An error such as broken wiring
was detected in the external
encoder phase-A connection.
S Same as
above.
08150000 hex Phase-B
Connection
Error
An error such as
broken wiring was
detected in the
external encoder
phase-B connec-
tion.
• An error such as broken wiring
was detected in the external
encoder phase-B connection.
S Same as
above.
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info