Event name Tuning Error Event code 389E0000 hex
Meaning The auto-tuning failed.
Source EtherCAT Master Function Mod-
ule
Source details Slave Detection tim-
ing
Continuously
Error attrib-
utes
Level Minor fault Recovery Error reset Log category System log
Effects User program Continues. Operation Motor stops.
Indicators EtherCAT NET RUN EtherCAT NET ERR EtherCAT LINK/ACT
--- --- ---
System-de-
fined varia-
bles
Variable Data type Name
None None None
Cause and
correction
Assumed cause Correction Prevention
(1) There is a phase loss in the
connecting line between the in-
verter and the motor
.
Correct the inverter and motor
correctly.
Confirm the specifications, and
perform the correct wiring.
(2) The V/f setting, motor rated
current value, is not correctly set.
Check if
1st Base Frequency
(3004-05 hex), 1st rated voltage
at base frequency (3004-06
hex), Free V/f Frequency and
Voltage
(3014-43 to 50 hex), and
motor parameters (3007-03 to 04
hex and 3007-3D to 41 hex) are
set according to the motor’s
specifications.
Confirm the specifications, and
perform the correct setting.
(3) The wire length between the
inverter and the motor is too
long.
Check if the wire length between
the inverter and the motor is not
more than 50 m. (The wire length
has a significant impact if the in-
verter capacity is small.)
→ Review the layout to make the
wire length between the inverter
and the motor shorter. Or make
the connection wire length as
short as possible.
→ Do not use the auto-tuning
and auto torque boost functions.
(Set
1st Torque Boost
Selection (301F-0D hex) and
2nd Torque Boost Selection
(301F-0E hex) to 0.)
Review the layout to make the
wire length between the inverter
and the motor shorter. Or make
the connection wire length as
short as possible.
Appendices
A-261
M1 Series EtherCAT Type User’s Manual (I670)
A-5 Sysmac Error Status Codes
A
A-5-2 Error Descriptions
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