A - 101
Appendices
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
A-4 Sysmac Error Status Codes
A
A-4-1 Error List
08390000 Power Module Error An error was detected in the
power module.
• There is a short-circuit,
ground fault, or contact fail-
ure on the U, V, or W motor
cable
• There is a short-circuit on
the wiring of External
Regeneration Resistor or
the resistance value is small
• The insulation resistance
failed between the U, V, or
W motor cable and the
motor ground wire
• Servo Drive failure
√ P. A-118
083B0000 Self-diagnosis Error An error was detected by
the self-diagnosis of the
safety function.
• False detection due to a
data read error that was
caused by excessive noise
• Hardware failure
√ P. A-119
083C0000 Main Circuit Tem-
perature Monitoring
Circuit Failure
A temperature monitoring
circuit failure was detected
on the main circuit.
• Broken wiring of the therm-
istor, temperature monitor-
ing circuit failure
√ P. A-119
083D0000 Fan Error The rotation speed of the
fan is 40% 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-12 0
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
√ P. A-12 1
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
√ P. A-12 2
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
√ P. A-12 3
Event code
(hex)
Event name Description Assumed cause
Level
Refer-
ence
Min
Obs
Info
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