Appendices
A - 110
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
081D0000 Inrush Current Pre-
vention Relay Life-
time Warning
The inrush current preven-
tion relay built into the
Servo Drive reached the
service life.
• The number of operating
times of the inrush current
prevention relay in the
Servo Drive exceeded the
service life
√ P. A-165
081F0000 Brake Interlock Out-
put Relay Lifetime
Warning
The brake interlock output
(BKIR) relay built into the
Servo Drive reached the
service life.
• The number of operating
times of the brake interlock
output in the Servo Drive
exceeded the service life
√ P. A-166
083A0000 Encoder Communi-
cations Warning
Encoder communications
errors occurred in series
more frequently than the
specified value.
• Noise into the encoder
cable
• Contact failure of the
encoder cable
• Power supply undervoltage
to the encoder
√ P. A-167
08470000 Encoder Lifetime
Warning
The encoder lifetime is
close to the end.
• Temporary noise
• The end of the encoder life
• Encoder break down due to
impact on the axis or other
causes
√ P. A-168
084C0000 Fan Rotation Warn-
ing
The rotation speed of the
fan is 80% or less of the rat-
ing and the cooling perfor-
mance decreases.
• There is a foreign matter in
the cooling fan and it blocks
the rotation
• Cooling fan failure
√ P. A-168
084E0000 Absolute Encoder
Counter Overflow
Warning
The multi-rotation counter of
the encoder exceeded the
value set in Encoder -
Absolute Encoder
Counter Overflow Warn-
ing Level (4510-02 hex).
• An inappropriate value was
set in the Encoder - Opera-
tion Selection when Using
Absolute Encoder
(4510-01 hex)
• The multi-rotation number
of the encoder exceeded
the warning level
√ P. A-169
18390000 Lifetime Information
Corruption Warning
An error was detected in the
saved lifetime information.
• The lifetime information cor-
ruption was detected when
the power supply was
turned ON
√ P. A-170
34E00000 Data Setting Warn-
ing
The object set value is out
of the range.
• The object set value is out
of the range
√ P. A-170
387A0000 Overload Warning The Load Ratio of Servo
Drive or motor (4150-81
hex) exceeded the level set
in Overload - Warning
Notification Level
(4150-01 hex).
• Operation was continued
for a long time with high
load.
• There is incorrect wiring of
the motor cable or a broken
cable
• Increase in friction
√ P. A-171
Event code
(hex)
Event name Description Assumed cause
Level
Refer-
ence
Min
Obs
Info