Omron R88M-1M Series User Manual page 910

Appendices
Event name Overspeed Error
Meaning The encoder detected the overspeed.
EtherCAT Master Function Mod-
Source
ule
Error
Level
attributes
Effects User program Continues.
EtherCAT NET RUN
Indicators
---
System Variable
-defined
None
variables
Assumed cause
The motor is rotated by external
forces
Cause and
correction
Encoder failure and false detec-
tion
Attached None
information
Precautions/ AL status code: -, Error No.: 4700 hex
Remarks
Event name Encoder Memory Error
Description The encoder detected a non-volatile memory error.
EtherCAT Master Function Mod-
Source
ule
Error
Level
attributes
Effects User program Continues.
EtherCAT NET RUN
Indicators
---
System Variable
-defined
None
variables
Assumed cause
False detection due to a data
Cause and read error that was caused by
excessive noise
correction
Non-volatile memory failure
Encoder failure
Attached None
information
Precautions/ AL status code: -, Error No.: 4301 hex
Remarks
A - 124
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User's Manual (I586)
Source details
Minor fault
Recovery
Operation
EtherCAT NET ERR
---
Data type
None
Correction
Take countermeasures so that the
motor is not subjected to external
forces if the motor is rotated by
external forces.
If this event occurs repeatedly, the
encoder is faulty. Replace the
motor.
Source details
Minor fault
Recovery
Operation
EtherCAT NET ERR
---
Data type
None
Correction
If this event occurs after you
cycled the power supply, the
encoder is faulty. Replace the
motor.
Event code 08440000 hex
Slave Detection
timing
Error reset
(after cycling Log category
slave power)
Power drive circuit is OFF
EtherCAT LINK/ACT
---
Name
None
Prevention
Take countermeasures so that the
motor is not rotated by external
forces.
None
Event code 08450000 hex
Slave Detection
timing
Error reset
(after cycling Log category
slave power)
Power drive circuit is OFF
EtherCAT LINK/ACT
---
Name
None
Prevention
None
Continuously
System log
Continuously
System log