Appendices
A - 118
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
Event name Power Module Error Event code 08390000 hex
Description An error was detected in the power module.
Source
EtherCAT Master Function Mod-
ule
Source details
Slave
Detection
timing
Continuously
Error
attributes
Level
Minor fault
Recovery
Error reset
(after cycling
slave power)
Log category
System log
Effects User program Continues. Operation Power drive circuit is OFF
Indicators
EtherCAT NET RUN EtherCAT NET ERR EtherCAT LINK/ACT
--- --- ---
System
-defined
variables
Variable Data type Name
None None None
Cause and
correction
Assumed cause Correction Prevention
There is a short-circuit, ground
fault, or contact failure on the U,
V, or W motor cable
Correct the connection of the U, V,
or W motor cable.
Confirm that the motor cables are
not broken and connect them cor-
rectly.
There is a short-circuit on the wir-
ing of External Regeneration
Resistor or the resistance value
is small
If there is a short-circuit on the wir-
ing of External Regeneration
Resistor, correct the wiring.
Wire the External Regeneration
Resistor correctly when using it.
Use the recommended External
Regeneration Resistor. If a resis-
tance value of the External Regen-
eration Resistor is small,
excessive current will flow into the
power module and cause a failure.
The insulation resistance failed
between the U, V, or W motor
cable and the motor ground wire
Replace the motor. Confirm that the insulation resis-
tance is insulated between the U,
V, and W motor cable and the
motor ground wire before using the
motor.
Servo Drive failure If this event occurs again after you
performed all corrections shown
above, replace the Servo Drive.
Do not perform Servo ON/OFF fre-
quently. Doing so may cause a
Servo Drive failure.
Attached
information
Attached information 1: System information
Precautions/
Remarks
AL status code: -, Error No.: 1401 hex
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