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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
38790000 General Output Allo-
cation Duplicate
Error
More than one function out-
put is allocated to one gen-
eral output.
• More than one function out-
put is allocated to one gen-
eral output
√ P. A-14 1
387B0000 Pulse Output Setting
Error
The dividing numerator
exceeded the dividing
denominator when the
Encoder Dividing Pulse
Output - Dividing Denomi-
nator was set to a value
other than 0.
• The dividing numerator
exceeded the dividing
denominator when the
Encoder Dividing Pulse
Output - Dividing Denomi-
nator was set to a value
other than 0
√ P. A-14 2
387C0000 Motor Replacement
Detected
The connected motor is dif-
ferent from the motor that
was connected the last
time.
• The motor was replaced
• The Servo Drive was
replaced
√ P. A-14 2
387F0000 Electronic Gear Set-
ting Error
The electronic gear ratio
exceeded the allowable
range.
• The electronic gear ratio
exceeded the allowable
range
√ P. A-14 3
38800000 Servo Drive Over-
heat
The internal temperature of
Servo Drive exceeded the
circuit protection level.
• The ambient temperature of
the Servo Drive exceeded
the specified value
• Overload
√ P. A-14 3
38810000 Overload Error The Load Ratio of Servo
Drive or motor (4150-81
hex) exceeded 100%.
• 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-14 4
38820000 Regeneration Over-
load Error
The Regeneration Load
Ratio (4310-81 hex)
exceeded the regeneration
overload ratio.
• 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-14 5
38830000 Excessive Position
Deviation Error
The position deviation is
greater than or equal to the
value set in the Following
error window.
• The motor operation does
not follow the command
• The value of Following error
window is small
√ P. A-14 6
Event code
(hex)
Event name Description Assumed cause
Level
Refer-
ence
Min
Obs
Info
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