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A - 99
Appendices
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
A-4 Sys
m
ac Error S
ta
tus C
o
d
es
A
A-4
-1 Error List
083F0000
Regeneration Pro-
cessing Error
The regeneration process-
ing was stopped to protect
the Regeneration Resistor.
• The regeneration process-
ing is set inappropriately
• The Regeneration Resistor
is selected inappropriately
• The Regeneration Resistor
is used for continuous
regenerative braking
• The applied power supply
voltage is higher than the
specified value
• Regeneration Resistor fail-
ure
√
08410000
Overvoltage Error
The main circuit power sup-
ply voltage (P-N voltage)
exceeded the operation
guarantee range.
• The P-N voltage exceeded
the specified value
• The input voltage increased
• The Regeneration Resistor
wiring is broken
• The External Regeneration
Resistor is set or selected
inappropriately
• Servo Drive failure
√
08420000
Motor Overheat
Error
The encoder detected the
temperature that exceeded
the protection level of motor.
• The temperature is high
around the motor
• The motor is overloaded
• Encoder failure
√
08430000
1-rotation Counter
Error
The encoder detected a
one-rotation counter error.
• There is excessive noise
• Failure due to vibration,
impact, condensation, for-
eign matter, etc.
√
08440000
Overspeed Error
The encoder detected the
overspeed.
• The motor was rotated by
external forces
• Encoder failure and false
detection
√
08450000
Encoder Memory
Error
The encoder detected a
non-volatile memory error.
• False detection due to a
data read error that was
caused by excessive noise
• Non-volatile memory failure
√
08460000
Absolute Position
Detection Error
The encoder detected a
multi-rotation counter error.
• A detection error was
detected in the multi-rota-
tion detection section of the
encoder
• There is excessive noise
√
08480000
Main Power Supply
Undervoltage (insuf-
ficient voltage
between P and N)
The main circuit power sup-
ply voltage fell below the
operation guarantee range
during Servo ON.
• Incorrect wiring of the main
circuit power supply
• The low power supply volt-
age is applied to the Servo
Drive
• The long time was set in
Momentary Hold Time and
the voltage was decreased
momentarily
• Servo Drive failure
√
Event code
(hex)
Event name
Description
Assumed cause
Level
Refer-
ence
Min
Ob
s
In
fo
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