Appendices
A - 116
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
 
 
Event name
Inrush Current Prevention Circuit Error
Event code
04B50000 hex
*1
*1. This error can occur in the unit version 1.3 or later.
Meaning An error of inrush current prevention circuit was detected.
Source
EtherCAT Master Function Mod-
ule
Source details
Slave
Detection 
timing
During Servo 
ON
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
Inrush current prevention circuit 
failure
Replace the Servo Drive. None
Attached 
information
None
Precautions/
Remarks
AL status code: -, Error No.: 1403 hex
Event name
Regeneration Circuit Error
Event code
04B60000 hex
*1
*1. This error can occur in the unit version 1.3 or later.
Meaning An regeneration circuit error was detected.
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 between 
B2 and N2/N3.
Perform the correct wiring, refer-
ring the cases of the connection 
with peripheral devices.
Perform the correct wiring.
Regeneration circuit failure Replace the Servo Drive. None
Noise into wiring of the external 
regeneration registor.
Take noise countermeasures by 
shortening wiring or the like.
Take noise countermeasures.
Attached 
information
None
Precautions/
Remarks
AL status code: -, Error No.: 1801 hex